src/hotspot/share/classfile/javaClasses.cpp
author iklam
Mon, 20 Aug 2018 13:58:23 -0700
changeset 51467 12997ebbc0d8
parent 51444 3e5d28e6de32
child 51491 187c84a5efe1
permissions -rw-r--r--
8209647: constantPoolHandle::constantPoolHandle(ConstantPool*) when precompiled header is disabled Summary: Added fieldDescriptor.inline.hpp Reviewed-by: coleenp, shade
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/*
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 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/altHashing.hpp"
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#include "classfile/classLoaderData.inline.hpp"
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#include "classfile/javaClasses.inline.hpp"
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#include "classfile/moduleEntry.hpp"
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#include "classfile/stringTable.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "code/debugInfo.hpp"
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#include "code/dependencyContext.hpp"
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#include "code/pcDesc.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/linkResolver.hpp"
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#include "logging/log.hpp"
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#include "logging/logStream.hpp"
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#include "memory/oopFactory.hpp"
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#include "memory/metaspaceShared.hpp"
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#include "memory/resourceArea.hpp"
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#include "memory/universe.hpp"
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#include "oops/fieldStreams.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/instanceMirrorKlass.hpp"
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#include "oops/klass.hpp"
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#include "oops/method.inline.hpp"
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#include "oops/objArrayOop.inline.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/symbol.hpp"
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#include "oops/typeArrayOop.inline.hpp"
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#include "prims/resolvedMethodTable.hpp"
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#include "runtime/fieldDescriptor.inline.hpp"
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#include "runtime/frame.inline.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/jniHandles.inline.hpp"
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#include "runtime/safepoint.hpp"
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#include "runtime/safepointVerifiers.hpp"
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#include "runtime/thread.inline.hpp"
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#include "runtime/vframe.inline.hpp"
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#include "utilities/align.hpp"
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#include "utilities/preserveException.hpp"
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#if INCLUDE_JVMCI
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#include "jvmci/jvmciJavaClasses.hpp"
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#endif
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#define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java)    \
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  klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum);
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#if INCLUDE_CDS
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#define INJECTED_FIELD_SERIALIZE_OFFSET(klass, name, signature, may_be_java) \
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  f->do_u4((u4*)&_##name##_offset);
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#endif
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#define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java)           \
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  { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java },
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InjectedField JavaClasses::_injected_fields[] = {
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  ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD)
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};
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int JavaClasses::compute_injected_offset(InjectedFieldID id) {
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  return _injected_fields[id].compute_offset();
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}
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InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) {
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  *field_count = 0;
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  vmSymbols::SID sid = vmSymbols::find_sid(class_name);
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  if (sid == vmSymbols::NO_SID) {
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    // Only well known classes can inject fields
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    return NULL;
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  }
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  int count = 0;
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  int start = -1;
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#define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \
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  if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) {              \
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    count++;                                                       \
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    if (start == -1) start = klass##_##name##_enum;                \
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  }
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  ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD);
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#undef LOOKUP_INJECTED_FIELD
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  if (start != -1) {
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    *field_count = count;
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    return _injected_fields + start;
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  }
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  return NULL;
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}
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// Helpful routine for computing field offsets at run time rather than hardcoding them
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// Finds local fields only, including static fields.  Static field offsets are from the
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// beginning of the mirror.
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static void compute_offset(int &dest_offset,
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                           InstanceKlass* ik, Symbol* name_symbol, Symbol* signature_symbol,
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                           bool is_static = false) {
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  fieldDescriptor fd;
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  if (ik == NULL) {
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    ResourceMark rm;
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    log_error(class)("Mismatch JDK version for field: %s type: %s", name_symbol->as_C_string(), signature_symbol->as_C_string());
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    vm_exit_during_initialization("Invalid layout of preloaded class");
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  }
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  if (!ik->find_local_field(name_symbol, signature_symbol, &fd) || fd.is_static() != is_static) {
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    ResourceMark rm;
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    log_error(class)("Invalid layout of %s field: %s type: %s", ik->external_name(),
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                     name_symbol->as_C_string(), signature_symbol->as_C_string());
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#ifndef PRODUCT
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    // Prints all fields and offsets
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    Log(class) lt;
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    LogStream ls(lt.error());
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    ik->print_on(&ls);
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#endif //PRODUCT
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    vm_exit_during_initialization("Invalid layout of preloaded class: use -Xlog:class+load=info to see the origin of the problem class");
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  }
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  dest_offset = fd.offset();
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}
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// Overloading to pass name as a string.
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static void compute_offset(int& dest_offset, InstanceKlass* ik,
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                           const char* name_string, Symbol* signature_symbol,
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                           bool is_static = false) {
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  TempNewSymbol name = SymbolTable::probe(name_string, (int)strlen(name_string));
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  if (name == NULL) {
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    ResourceMark rm;
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    log_error(class)("Name %s should be in the SymbolTable since its class is loaded", name_string);
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    vm_exit_during_initialization("Invalid layout of preloaded class", ik->external_name());
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  }
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  compute_offset(dest_offset, ik, name, signature_symbol, is_static);
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}
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// Same as above but for "optional" offsets that might not be present in certain JDK versions
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// Old versions should be cleaned out since Hotspot only supports the current JDK, and this
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// function should be removed.
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static void
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compute_optional_offset(int& dest_offset,
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                        InstanceKlass* ik, Symbol* name_symbol, Symbol* signature_symbol) {
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  fieldDescriptor fd;
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  if (ik->find_local_field(name_symbol, signature_symbol, &fd)) {
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    dest_offset = fd.offset();
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  }
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}
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int java_lang_String::value_offset  = 0;
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int java_lang_String::hash_offset   = 0;
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int java_lang_String::coder_offset  = 0;
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bool java_lang_String::initialized  = false;
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bool java_lang_String::is_instance(oop obj) {
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  return is_instance_inlined(obj);
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}
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#if INCLUDE_CDS
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#define FIELD_SERIALIZE_OFFSET(offset, klass, name, signature, is_static) \
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  f->do_u4((u4*)&offset)
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#define FIELD_SERIALIZE_OFFSET_OPTIONAL(offset, klass, name, signature) \
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  f->do_u4((u4*)&offset)
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#endif
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#define FIELD_COMPUTE_OFFSET(offset, klass, name, signature, is_static) \
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  compute_offset(offset, klass, name, vmSymbols::signature(), is_static)
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#define FIELD_COMPUTE_OFFSET_OPTIONAL(offset, klass, name, signature) \
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  compute_optional_offset(offset, klass, name, vmSymbols::signature())
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#define STRING_FIELDS_DO(macro) \
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  macro(value_offset, k, vmSymbols::value_name(), byte_array_signature, false); \
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  macro(hash_offset,  k, "hash",                  int_signature,        false); \
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  macro(coder_offset, k, "coder",                 byte_signature,       false)
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void java_lang_String::compute_offsets() {
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  if (initialized) {
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    return;
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  }
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  InstanceKlass* k = SystemDictionary::String_klass();
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  STRING_FIELDS_DO(FIELD_COMPUTE_OFFSET);
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  initialized = true;
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}
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#if INCLUDE_CDS
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void java_lang_String::serialize_offsets(SerializeClosure* f) {
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  STRING_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
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  f->do_u4((u4*)&initialized);
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}
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#endif
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class CompactStringsFixup : public FieldClosure {
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private:
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  bool _value;
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public:
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  CompactStringsFixup(bool value) : _value(value) {}
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  void do_field(fieldDescriptor* fd) {
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    if (fd->name() == vmSymbols::compact_strings_name()) {
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      oop mirror = fd->field_holder()->java_mirror();
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      assert(fd->field_holder() == SystemDictionary::String_klass(), "Should be String");
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      assert(mirror != NULL, "String must have mirror already");
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      mirror->bool_field_put(fd->offset(), _value);
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    }
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  }
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};
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void java_lang_String::set_compact_strings(bool value) {
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  CompactStringsFixup fix(value);
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  InstanceKlass::cast(SystemDictionary::String_klass())->do_local_static_fields(&fix);
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}
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Handle java_lang_String::basic_create(int length, bool is_latin1, TRAPS) {
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  assert(initialized, "Must be initialized");
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  assert(CompactStrings || !is_latin1, "Must be UTF16 without CompactStrings");
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  // Create the String object first, so there's a chance that the String
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  // and the char array it points to end up in the same cache line.
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  oop obj;
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  obj = SystemDictionary::String_klass()->allocate_instance(CHECK_NH);
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  // Create the char array.  The String object must be handlized here
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  // because GC can happen as a result of the allocation attempt.
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  Handle h_obj(THREAD, obj);
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  int arr_length = is_latin1 ? length : length << 1; // 2 bytes per UTF16.
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  typeArrayOop buffer = oopFactory::new_byteArray(arr_length, CHECK_NH);;
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  // Point the String at the char array
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  obj = h_obj();
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  set_value(obj, buffer);
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  // No need to zero the offset, allocation zero'ed the entire String object
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  set_coder(obj, is_latin1 ? CODER_LATIN1 : CODER_UTF16);
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  return h_obj;
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}
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Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) {
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  bool is_latin1 = CompactStrings && UNICODE::is_latin1(unicode, length);
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  Handle h_obj = basic_create(length, is_latin1, CHECK_NH);
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  typeArrayOop buffer = value(h_obj());
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  assert(TypeArrayKlass::cast(buffer->klass())->element_type() == T_BYTE, "only byte[]");
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  if (is_latin1) {
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    for (int index = 0; index < length; index++) {
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      buffer->byte_at_put(index, (jbyte)unicode[index]);
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    }
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  } else {
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    for (int index = 0; index < length; index++) {
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      buffer->char_at_put(index, unicode[index]);
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    }
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  }
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#ifdef ASSERT
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  {
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    ResourceMark rm;
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    char* expected = UNICODE::as_utf8(unicode, length);
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    char* actual = as_utf8_string(h_obj());
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    if (strcmp(expected, actual) != 0) {
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      tty->print_cr("Unicode conversion failure: %s --> %s", expected, actual);
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      ShouldNotReachHere();
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    }
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  }
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#endif
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  return h_obj;
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}
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oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) {
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  Handle h_obj = create_from_unicode(unicode, length, CHECK_0);
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  return h_obj();
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}
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Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) {
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  if (utf8_str == NULL) {
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    return Handle();
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  }
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  bool has_multibyte, is_latin1;
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  int length = UTF8::unicode_length(utf8_str, is_latin1, has_multibyte);
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  if (!CompactStrings) {
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   305
    has_multibyte = true;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   306
    is_latin1 = false;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   307
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   308
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   309
  Handle h_obj = basic_create(length, is_latin1, CHECK_NH);
1
489c9b5090e2 Initial load
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parents:
diff changeset
   310
  if (length > 0) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   311
    if (!has_multibyte) {
50389
7e8c0409a747 8198285: More consistent Access API for arraycopy
rkennke
parents: 50217
diff changeset
   312
      const jbyte* src = reinterpret_cast<const jbyte*>(utf8_str);
7e8c0409a747 8198285: More consistent Access API for arraycopy
rkennke
parents: 50217
diff changeset
   313
      ArrayAccess<>::arraycopy_from_native(src, value(h_obj()), typeArrayOopDesc::element_offset<jbyte>(0), length);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   314
    } else if (is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   315
      UTF8::convert_to_unicode(utf8_str, value(h_obj())->byte_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   316
    } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   317
      UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   318
    }
1
489c9b5090e2 Initial load
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parents:
diff changeset
   319
  }
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   320
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   321
#ifdef ASSERT
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   322
  // This check is too strict because the input string is not necessarily valid UTF8.
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   323
  // For example, it may be created with arbitrary content via jni_NewStringUTF.
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   324
  /*
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   325
  {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   326
    ResourceMark rm;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   327
    const char* expected = utf8_str;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   328
    char* actual = as_utf8_string(h_obj());
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   329
    if (strcmp(expected, actual) != 0) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   330
      tty->print_cr("String conversion failure: %s --> %s", expected, actual);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   331
      ShouldNotReachHere();
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   332
    }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   333
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   334
  */
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   335
#endif
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   336
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   337
  return h_obj;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   338
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
  Handle h_obj = create_from_str(utf8_str, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
  return h_obj();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   344
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   345
Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   346
  const char* utf8_str = (char*)symbol->bytes();
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   347
  int utf8_len = symbol->utf8_length();
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   348
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   349
  bool has_multibyte, is_latin1;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   350
  int length = UTF8::unicode_length(utf8_str, utf8_len, is_latin1, has_multibyte);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   351
  if (!CompactStrings) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   352
    has_multibyte = true;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   353
    is_latin1 = false;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   354
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   355
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   356
  Handle h_obj = basic_create(length, is_latin1, CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
  if (length > 0) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   358
    if (!has_multibyte) {
50389
7e8c0409a747 8198285: More consistent Access API for arraycopy
rkennke
parents: 50217
diff changeset
   359
      const jbyte* src = reinterpret_cast<const jbyte*>(utf8_str);
7e8c0409a747 8198285: More consistent Access API for arraycopy
rkennke
parents: 50217
diff changeset
   360
      ArrayAccess<>::arraycopy_from_native(src, value(h_obj()), typeArrayOopDesc::element_offset<jbyte>(0), length);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   361
    } else if (is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   362
      UTF8::convert_to_unicode(utf8_str, value(h_obj())->byte_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   363
    } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   364
      UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   365
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
  }
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   367
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   368
#ifdef ASSERT
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   369
  {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   370
    ResourceMark rm;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   371
    const char* expected = symbol->as_utf8();
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   372
    char* actual = as_utf8_string(h_obj());
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   373
    if (strncmp(expected, actual, utf8_len) != 0) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   374
      tty->print_cr("Symbol conversion failure: %s --> %s", expected, actual);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   375
      ShouldNotReachHere();
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   376
    }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   377
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   378
#endif
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   379
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
  return h_obj;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
// Converts a C string to a Java String based on current encoding
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
  assert(str != NULL, "bad arguments");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
  typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
  static to_java_string_fn_t _to_java_string_fn = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
  if (_to_java_string_fn == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
    void *lib_handle = os::native_java_library();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   392
    _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
    if (_to_java_string_fn == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
      fatal("NewStringPlatform missing");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
  jstring js = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
  { JavaThread* thread = (JavaThread*)THREAD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
    assert(thread->is_Java_thread(), "must be java thread");
195
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   401
    HandleMark hm(thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
    ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
    js = (_to_java_string_fn)(thread->jni_environment(), str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
  return Handle(THREAD, JNIHandles::resolve(js));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
195
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   408
// Converts a Java String to a native C string that can be used for
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   409
// native OS calls.
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   410
char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   411
  typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*);
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   412
  static to_platform_string_fn_t _to_platform_string_fn = NULL;
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   413
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   414
  if (_to_platform_string_fn == NULL) {
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   415
    void *lib_handle = os::native_java_library();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   416
    _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars"));
195
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   417
    if (_to_platform_string_fn == NULL) {
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   418
      fatal("GetStringPlatformChars missing");
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   419
    }
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   420
  }
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   421
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   422
  char *native_platform_string;
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   423
  { JavaThread* thread = (JavaThread*)THREAD;
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   424
    assert(thread->is_Java_thread(), "must be java thread");
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   425
    JNIEnv *env = thread->jni_environment();
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   426
    jstring js = (jstring) JNIHandles::make_local(env, java_string());
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   427
    bool is_copy;
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   428
    HandleMark hm(thread);
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   429
    ThreadToNativeFromVM ttn(thread);
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   430
    native_platform_string = (_to_platform_string_fn)(env, js, &is_copy);
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   431
    assert(is_copy == JNI_TRUE, "is_copy value changed");
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   432
    JNIHandles::destroy_local(js);
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   433
  }
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   434
  return native_platform_string;
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   435
}
9193828514c4 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents: 1
diff changeset
   436
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  oop          obj    = java_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
  // Typical usage is to convert all '/' to '.' in string.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
  typeArrayOop value  = java_lang_String::value(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
  int          length = java_lang_String::length(obj);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   442
  bool      is_latin1 = java_lang_String::is_latin1(obj);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
  // First check if any from_char exist
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
  int index; // Declared outside, used later
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  for (index = 0; index < length; index++) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   447
    jchar c = !is_latin1 ? value->char_at(index) :
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   448
                  ((jchar) value->byte_at(index)) & 0xff;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   449
    if (c == from_char) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
  if (index == length) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
    // No from_char, so do not copy.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
    return java_string;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   458
  // Check if result string will be latin1
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   459
  bool to_is_latin1 = false;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   460
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   461
  // Replacement char must be latin1
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   462
  if (CompactStrings && UNICODE::is_latin1(to_char)) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   463
    if (is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   464
      // Source string is latin1 as well
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   465
      to_is_latin1 = true;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   466
    } else if (!UNICODE::is_latin1(from_char)) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   467
      // We are replacing an UTF16 char. Scan string to
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   468
      // check if result can be latin1 encoded.
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   469
      to_is_latin1 = true;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   470
      for (index = 0; index < length; index++) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   471
        jchar c = value->char_at(index);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   472
        if (c != from_char && !UNICODE::is_latin1(c)) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   473
          to_is_latin1 = false;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   474
          break;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   475
        }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   476
      }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   477
    }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   478
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   479
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   480
  // Create new UNICODE (or byte) buffer. Must handlize value because GC
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
  // may happen during String and char array creation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
  typeArrayHandle h_value(THREAD, value);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   483
  Handle string = basic_create(length, to_is_latin1, CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
  typeArrayOop from_buffer = h_value();
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   485
  typeArrayOop to_buffer = java_lang_String::value(string());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
  // Copy contents
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
  for (index = 0; index < length; index++) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   489
    jchar c = (!is_latin1) ? from_buffer->char_at(index) :
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   490
                    ((jchar) from_buffer->byte_at(index)) & 0xff;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
    if (c == from_char) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
      c = to_char;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
    }
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   494
    if (!to_is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   495
      to_buffer->char_at_put(index, c);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   496
    } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   497
      to_buffer->byte_at_put(index, (jbyte) c);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   498
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
  return string;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   503
jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
               length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   506
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   508
  jchar* result = NEW_RESOURCE_ARRAY_RETURN_NULL(jchar, length);
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   509
  if (result != NULL) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   510
    if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   511
      for (int index = 0; index < length; index++) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   512
        result[index] = value->char_at(index);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   513
      }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   514
    } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   515
      for (int index = 0; index < length; index++) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   516
        result[index] = ((jchar) value->byte_at(index)) & 0xff;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   517
      }
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   518
    }
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   519
  } else {
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   520
    THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
14742
b2a47eb99404 8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents: 14588
diff changeset
   525
unsigned int java_lang_String::hash_code(oop java_string) {
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   526
  int          length = java_lang_String::length(java_string);
14742
b2a47eb99404 8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents: 14588
diff changeset
   527
  // Zero length string will hash to zero with String.hashCode() function.
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   528
  if (length == 0) return 0;
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   529
8885
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   530
  typeArrayOop value  = java_lang_String::value(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   531
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   532
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   533
  if (is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   534
    return java_lang_String::hash_code(value->byte_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   535
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   536
    return java_lang_String::hash_code(value->char_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   537
  }
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   538
}
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   539
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   540
char* java_lang_String::as_quoted_ascii(oop java_string) {
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   541
  typeArrayOop value  = java_lang_String::value(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   542
  int          length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   543
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   544
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   545
  if (length == 0) return NULL;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   546
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   547
  char* result;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   548
  int result_length;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   549
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   550
    jchar* base = value->char_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   551
    result_length = UNICODE::quoted_ascii_length(base, length) + 1;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   552
    result = NEW_RESOURCE_ARRAY(char, result_length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   553
    UNICODE::as_quoted_ascii(base, length, result, result_length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   554
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   555
    jbyte* base = value->byte_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   556
    result_length = UNICODE::quoted_ascii_length(base, length) + 1;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   557
    result = NEW_RESOURCE_ARRAY(char, result_length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   558
    UNICODE::as_quoted_ascii(base, length, result, result_length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   559
  }
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   560
  assert(result_length >= length + 1, "must not be shorter");
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   561
  assert(result_length == (int)strlen(result) + 1, "must match");
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   562
  return result;
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   563
}
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   564
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   565
Symbol* java_lang_String::as_symbol(oop java_string, TRAPS) {
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   566
  typeArrayOop value  = java_lang_String::value(java_string);
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   567
  int          length = java_lang_String::length(java_string);
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   568
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   569
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   570
    jchar* base = (length == 0) ? NULL : value->char_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   571
    Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   572
    return sym;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   573
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   574
    ResourceMark rm;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   575
    jbyte* position = (length == 0) ? NULL : value->byte_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   576
    const char* base = UNICODE::as_utf8(position, length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   577
    Symbol* sym = SymbolTable::lookup(base, length, THREAD);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   578
    return sym;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   579
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   582
Symbol* java_lang_String::as_symbol_or_null(oop java_string) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   583
  typeArrayOop value  = java_lang_String::value(java_string);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   584
  int          length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   585
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   586
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   587
    jchar* base = (length == 0) ? NULL : value->char_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   588
    return SymbolTable::probe_unicode(base, length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   589
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   590
    ResourceMark rm;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   591
    jbyte* position = (length == 0) ? NULL : value->byte_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   592
    const char* base = UNICODE::as_utf8(position, length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   593
    return SymbolTable::probe(base, length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   594
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   595
}
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   596
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
int java_lang_String::utf8_length(oop java_string) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  int          length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   600
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   601
  if (length == 0) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   602
    return 0;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   603
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   604
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   605
    return UNICODE::utf8_length(value->char_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   606
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   607
    return UNICODE::utf8_length(value->byte_at_addr(0), length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   608
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
char* java_lang_String::as_utf8_string(oop java_string) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
  int          length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   614
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   615
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   616
    jchar* position = (length == 0) ? NULL : value->char_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   617
    return UNICODE::as_utf8(position, length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   618
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   619
    jbyte* position = (length == 0) ? NULL : value->byte_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   620
    return UNICODE::as_utf8(position, length);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   621
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
7414
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   624
char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) {
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   625
  typeArrayOop value  = java_lang_String::value(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   626
  int          length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   627
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   628
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   629
    jchar* position = (length == 0) ? NULL : value->char_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   630
    return UNICODE::as_utf8(position, length, buf, buflen);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   631
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   632
    jbyte* position = (length == 0) ? NULL : value->byte_at_addr(0);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   633
    return UNICODE::as_utf8(position, length, buf, buflen);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   634
  }
7414
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   635
}
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   636
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
char* java_lang_String::as_utf8_string(oop java_string, int start, int len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
  assert(start + len <= length, "just checking");
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   641
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   642
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   643
    jchar* position = value->char_at_addr(start);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   644
    return UNICODE::as_utf8(position, len);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   645
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   646
    jbyte* position = value->byte_at_addr(start);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   647
    return UNICODE::as_utf8(position, len);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   648
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
24237
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   651
char* java_lang_String::as_utf8_string(oop java_string, int start, int len, char* buf, int buflen) {
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   652
  typeArrayOop value  = java_lang_String::value(java_string);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   653
  int          length = java_lang_String::length(java_string);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   654
  assert(start + len <= length, "just checking");
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   655
  bool      is_latin1 = java_lang_String::is_latin1(java_string);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   656
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   657
    jchar* position = value->char_at_addr(start);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   658
    return UNICODE::as_utf8(position, len, buf, buflen);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   659
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   660
    jbyte* position = value->byte_at_addr(start);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   661
    return UNICODE::as_utf8(position, len, buf, buflen);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   662
  }
24237
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   663
}
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   664
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
14078
2b2b8833c422 7199068: NPG: SharedSkipVerify is meaningless
coleenp
parents: 13952
diff changeset
   666
  assert(java_string->klass() == SystemDictionary::String_klass(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
         "must be java_string");
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   668
  typeArrayOop value = java_lang_String::value_no_keepalive(java_string);
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   669
  int length = java_lang_String::length(java_string);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
  if (length != len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
  }
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   673
  bool is_latin1 = java_lang_String::is_latin1(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   674
  if (!is_latin1) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   675
    for (int i = 0; i < len; i++) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   676
      if (value->char_at(i) != chars[i]) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   677
        return false;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   678
      }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   679
    }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   680
  } else {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   681
    for (int i = 0; i < len; i++) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   682
      if ((((jchar) value->byte_at(i)) & 0xff) != chars[i]) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   683
        return false;
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   684
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
20053
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   690
bool java_lang_String::equals(oop str1, oop str2) {
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   691
  assert(str1->klass() == SystemDictionary::String_klass(),
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   692
         "must be java String");
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   693
  assert(str2->klass() == SystemDictionary::String_klass(),
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   694
         "must be java String");
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   695
  typeArrayOop value1    = java_lang_String::value_no_keepalive(str1);
49350
cebb0e943ab2 8199137: StringInternSync test crashes in exit verification
coleenp
parents: 49348
diff changeset
   696
  int          length1   = java_lang_String::length(str1);
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   697
  bool         is_latin1 = java_lang_String::is_latin1(str1);
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   698
  typeArrayOop value2    = java_lang_String::value_no_keepalive(str2);
49350
cebb0e943ab2 8199137: StringInternSync test crashes in exit verification
coleenp
parents: 49348
diff changeset
   699
  int          length2   = java_lang_String::length(str2);
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   700
  bool         is_latin2 = java_lang_String::is_latin1(str2);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   701
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   702
  if ((length1 != length2) || (is_latin1 != is_latin2)) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   703
    // Strings of different size or with different
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   704
    // coders are never equal.
20053
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   705
    return false;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   706
  }
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   707
  int blength1 = value1->length();
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   708
  for (int i = 0; i < blength1; i++) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   709
    if (value1->byte_at(i) != value2->byte_at(i)) {
20053
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   710
      return false;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   711
    }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   712
  }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   713
  return true;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   714
}
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   715
22907
f978a4a64728 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 22186
diff changeset
   716
void java_lang_String::print(oop java_string, outputStream* st) {
f978a4a64728 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 22186
diff changeset
   717
  assert(java_string->klass() == SystemDictionary::String_klass(), "must be java_string");
48618
688e5cbd0b91 8192003: Refactor weak references in StringTable to use the Access API
eosterlund
parents: 47998
diff changeset
   718
  typeArrayOop value  = java_lang_String::value_no_keepalive(java_string);
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   719
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   720
  if (value == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   721
    // This can happen if, e.g., printing a String
489c9b5090e2 Initial load
duke
parents:
diff changeset
   722
    // object before its initializer has been called
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   723
    st->print("NULL");
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   724
    return;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
  }
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   726
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   727
  int length = java_lang_String::length(java_string);
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   728
  bool is_latin1 = java_lang_String::is_latin1(java_string);
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   729
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   730
  st->print("\"");
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   731
  for (int index = 0; index < length; index++) {
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   732
    st->print("%c", (!is_latin1) ?  value->char_at(index) :
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
   733
                           ((jchar) value->byte_at(index)) & 0xff );
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   734
  }
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   735
  st->print("\"");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   738
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   739
static void initialize_static_field(fieldDescriptor* fd, Handle mirror, TRAPS) {
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   740
  assert(mirror.not_null() && fd->is_static(), "just checking");
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   741
  if (fd->has_initial_value()) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   742
    BasicType t = fd->field_type();
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   743
    switch (t) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   744
      case T_BYTE:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   745
        mirror()->byte_field_put(fd->offset(), fd->int_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   746
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   747
      case T_BOOLEAN:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   748
        mirror()->bool_field_put(fd->offset(), fd->int_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   749
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   750
      case T_CHAR:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   751
        mirror()->char_field_put(fd->offset(), fd->int_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   752
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   753
      case T_SHORT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   754
        mirror()->short_field_put(fd->offset(), fd->int_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   755
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   756
      case T_INT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   757
        mirror()->int_field_put(fd->offset(), fd->int_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   758
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   759
      case T_FLOAT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   760
        mirror()->float_field_put(fd->offset(), fd->float_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   761
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   762
      case T_DOUBLE:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   763
        mirror()->double_field_put(fd->offset(), fd->double_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   764
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   765
      case T_LONG:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   766
        mirror()->long_field_put(fd->offset(), fd->long_initial_value());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   767
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   768
      case T_OBJECT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   769
        {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   770
          assert(fd->signature() == vmSymbols::string_signature(),
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   771
                 "just checking");
50056
ca1f2d4d4ec8 8202709: Move oopDesc::is_archive_object to MetaspaceShared::is_archive_object
stefank
parents: 50036
diff changeset
   772
          if (DumpSharedSpaces && MetaspaceShared::is_archive_object(mirror())) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   773
            // Archive the String field and update the pointer.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   774
            oop s = mirror()->obj_field(fd->offset());
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   775
            oop archived_s = StringTable::create_archived_string(s, CHECK);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   776
            mirror()->obj_field_put(fd->offset(), archived_s);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   777
          } else {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   778
            oop string = fd->string_initial_value(CHECK);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   779
            mirror()->obj_field_put(fd->offset(), string);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   780
          }
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   781
        }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   782
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   783
      default:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   784
        THROW_MSG(vmSymbols::java_lang_ClassFormatError(),
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   785
                  "Illegal ConstantValue attribute in class file");
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   786
    }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   787
  }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   788
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   789
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   790
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   791
void java_lang_Class::fixup_mirror(Klass* k, TRAPS) {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   792
  assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already");
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   793
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   794
  // If the offset was read from the shared archive, it was fixed up already
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   795
  if (!k->is_shared()) {
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
   796
    if (k->is_instance_klass()) {
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   797
      // During bootstrap, java.lang.Class wasn't loaded so static field
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   798
      // offsets were computed without the size added it.  Go back and
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   799
      // update all the static field offsets to included the size.
50532
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
   800
      for (JavaFieldStream fs(InstanceKlass::cast(k)); !fs.done(); fs.next()) {
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   801
        if (fs.access_flags().is_static()) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   802
          int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields();
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   803
          fs.set_offset(real_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   804
        }
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   805
      }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   806
    }
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   807
  }
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   808
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   809
  if (k->is_shared() && k->has_raw_archived_mirror()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   810
    if (MetaspaceShared::open_archive_heap_region_mapped()) {
50532
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
   811
      bool present = restore_archived_mirror(k, Handle(), Handle(), Handle(), CHECK);
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
   812
      assert(present, "Missing archived mirror for %s", k->external_name());
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   813
      return;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   814
    } else {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   815
      k->set_java_mirror_handle(NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   816
      k->clear_has_raw_archived_mirror();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   817
    }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   818
  }
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   819
  create_mirror(k, Handle(), Handle(), Handle(), CHECK);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   820
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   822
void java_lang_Class::initialize_mirror_fields(Klass* k,
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   823
                                               Handle mirror,
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   824
                                               Handle protection_domain,
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   825
                                               TRAPS) {
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   826
  // Allocate a simple java object for a lock.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   827
  // This needs to be a java object because during class initialization
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   828
  // it can be held across a java call.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   829
  typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   830
  set_init_lock(mirror(), r);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   831
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   832
  // Set protection domain also
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   833
  set_protection_domain(mirror(), protection_domain());
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   834
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   835
  // Initialize static fields
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   836
  InstanceKlass::cast(k)->do_local_static_fields(&initialize_static_field, mirror, CHECK);
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   837
}
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   838
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
   839
// Set the java.lang.Module module field in the java_lang_Class mirror
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   840
void java_lang_Class::set_mirror_module_field(Klass* k, Handle mirror, Handle module, TRAPS) {
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   841
  if (module.is_null()) {
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   842
    // During startup, the module may be NULL only if java.base has not been defined yet.
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
   843
    // Put the class on the fixup_module_list to patch later when the java.lang.Module
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   844
    // for java.base is known.
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
   845
    assert(!Universe::is_module_initialized(), "Incorrect java.lang.Module pre module system initialization");
41691
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   846
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   847
    bool javabase_was_defined = false;
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   848
    {
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   849
      MutexLocker m1(Module_lock, THREAD);
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   850
      // Keep list of classes needing java.base module fixup
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   851
      if (!ModuleEntryTable::javabase_defined()) {
46772
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   852
        assert(k->java_mirror() != NULL, "Class's mirror is null");
41691
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   853
        k->class_loader_data()->inc_keep_alive();
46772
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   854
        assert(fixup_module_field_list() != NULL, "fixup_module_field_list not initialized");
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   855
        fixup_module_field_list()->push(k);
41691
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   856
      } else {
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   857
        javabase_was_defined = true;
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   858
      }
41691
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   859
    }
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   860
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   861
    // If java.base was already defined then patch this particular class with java.base.
1be281ee5de4 8166364: fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
hseigel
parents: 41183
diff changeset
   862
    if (javabase_was_defined) {
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   863
      ModuleEntry *javabase_entry = ModuleEntryTable::javabase_moduleEntry();
46961
c9094b1e5f87 8186088: ConstantPoolCache::_resolved_references is not a JNIHandle
coleenp
parents: 46773
diff changeset
   864
      assert(javabase_entry != NULL && javabase_entry->module() != NULL,
42636
aafc434ba580 8169734: Update uses of string "java.base" to macro
rprotacio
parents: 42574
diff changeset
   865
             "Setting class module field, " JAVA_BASE_NAME " should be defined");
46773
fb17cc9a6847 8185717: Make ModuleEntry->module() return an oop not a jobject
hseigel
parents: 46772
diff changeset
   866
      Handle javabase_handle(THREAD, javabase_entry->module());
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   867
      set_module(mirror(), javabase_handle());
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   868
    }
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   869
  } else {
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   870
    assert(Universe::is_module_initialized() ||
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   871
           (ModuleEntryTable::javabase_defined() &&
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
   872
            (oopDesc::equals(module(), ModuleEntryTable::javabase_moduleEntry()->module()))),
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
   873
           "Incorrect java.lang.Module specification while creating mirror");
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   874
    set_module(mirror(), module());
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   875
  }
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   876
}
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40892
diff changeset
   877
46772
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   878
// Statically allocate fixup lists because they always get created.
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   879
void java_lang_Class::allocate_fixup_lists() {
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   880
  GrowableArray<Klass*>* mirror_list =
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   881
    new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true);
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   882
  set_fixup_mirror_list(mirror_list);
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   883
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   884
  GrowableArray<Klass*>* module_list =
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   885
    new (ResourceObj::C_HEAP, mtModule) GrowableArray<Klass*>(500, true);
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   886
  set_fixup_module_field_list(module_list);
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   887
}
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   888
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   889
void java_lang_Class::create_mirror(Klass* k, Handle class_loader,
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
   890
                                    Handle module, Handle protection_domain, TRAPS) {
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   891
  assert(k != NULL, "Use create_basic_type_mirror for primitive types");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
  assert(k->java_mirror() == NULL, "should only assign mirror once");
46772
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   893
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
  // Use this moment of initialization to cache modifier_flags also,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
  // to support Class.getModifiers().  Instance classes recalculate
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  // the cached flags after the class file is parsed, but before the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
  // class is put into the system dictionary.
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   898
  int computed_modifiers = k->compute_modifier_flags(CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
  k->set_modifier_flags(computed_modifiers);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   900
  // Class_klass has to be loaded because it is used to allocate
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   901
  // the mirror.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   902
  if (SystemDictionary::Class_klass_loaded()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
    // Allocate mirror (java.lang.Class instance)
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   904
    oop mirror_oop = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK);
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
   905
    Handle mirror(THREAD, mirror_oop);
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   906
    Handle comp_mirror;
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   907
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   908
    // Setup indirection from mirror->klass
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   909
    java_lang_Class::set_klass(mirror(), k);
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   910
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   911
    InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass());
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   912
    assert(oop_size(mirror()) == mk->instance_size(k), "should have been set");
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   913
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   914
    java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror()));
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   915
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
    // It might also have a component mirror.  This mirror must already exist.
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
   917
    if (k->is_array_klass()) {
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
   918
      if (k->is_typeArray_klass()) {
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   919
        BasicType type = TypeArrayKlass::cast(k)->element_type();
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   920
        comp_mirror = Handle(THREAD, Universe::java_mirror(type));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   921
      } else {
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
   922
        assert(k->is_objArray_klass(), "Must be");
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   923
        Klass* element_klass = ObjArrayKlass::cast(k)->element_klass();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   924
        assert(element_klass != NULL, "Must have an element klass");
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   925
        comp_mirror = Handle(THREAD, element_klass->java_mirror());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
      }
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   927
      assert(comp_mirror() != NULL, "must have a mirror");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   928
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   929
      // Two-way link between the array klass and its component mirror:
25465
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   930
      // (array_klass) k -> mirror -> component_mirror -> array_klass -> k
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   931
      set_component_mirror(mirror(), comp_mirror());
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   932
      // See below for ordering dependencies between field array_klass in component mirror
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   933
      // and java_mirror in this klass.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   934
    } else {
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
   935
      assert(k->is_instance_klass(), "Must be");
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   936
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   937
      initialize_mirror_fields(k, mirror, protection_domain, THREAD);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   938
      if (HAS_PENDING_EXCEPTION) {
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   939
        // If any of the fields throws an exception like OOM remove the klass field
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   940
        // from the mirror so GC doesn't follow it after the klass has been deallocated.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   941
        // This mirror looks like a primitive type, which logically it is because it
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   942
        // it represents no class.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   943
        java_lang_Class::set_klass(mirror(), NULL);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   944
        return;
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   945
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
    }
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   947
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   948
    // set the classLoader field in the java_lang_Class instance
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
   949
    assert(oopDesc::equals(class_loader(), k->class_loader()), "should be same");
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   950
    set_class_loader(mirror(), class_loader());
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   951
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   952
    // Setup indirection from klass->mirror
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   953
    // after any exceptions can happen during allocations.
47580
96392e113a0a 8186777: Make Klass::_java_mirror an OopHandle
coleenp
parents: 47216
diff changeset
   954
    k->set_java_mirror(mirror);
46772
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   955
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   956
    // Set the module field in the java_lang_Class instance.  This must be done
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   957
    // after the mirror is set.
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   958
    set_mirror_module_field(k, mirror, module, THREAD);
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   959
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   960
    if (comp_mirror() != NULL) {
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   961
      // Set after k->java_mirror() is published, because compiled code running
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   962
      // concurrently doesn't expect a k to have a null java_mirror.
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
   963
      release_set_array_klass(comp_mirror(), k);
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   964
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
  } else {
46772
902c68ab7f57 8185103: TestThreadDumpMonitorContention.java crashed due to SIGSEGV in G1SATBCardTableModRefBS::write_ref_field_pre_work
hseigel
parents: 46722
diff changeset
   966
    assert(fixup_mirror_list() != NULL, "fixup_mirror_list not initialized");
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
   967
    fixup_mirror_list()->push(k);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   971
#if INCLUDE_CDS_JAVA_HEAP
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   972
// Clears mirror fields. Static final fields with initial values are reloaded
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   973
// from constant pool. The object identity hash is in the object header and is
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   974
// not affected.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   975
class ResetMirrorField: public FieldClosure {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   976
 private:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   977
  Handle _m;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   978
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   979
 public:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   980
  ResetMirrorField(Handle mirror) : _m(mirror) {}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   981
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   982
  void do_field(fieldDescriptor* fd) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   983
    assert(DumpSharedSpaces, "dump time only");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   984
    assert(_m.not_null(), "Mirror cannot be NULL");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   985
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   986
    if (fd->is_static() && fd->has_initial_value()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   987
      initialize_static_field(fd, _m, Thread::current());
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   988
      return;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   989
    }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   990
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   991
    BasicType ft = fd->field_type();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   992
    switch (ft) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   993
      case T_BYTE:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   994
        _m()->byte_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   995
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   996
      case T_CHAR:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   997
        _m()->char_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   998
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
   999
      case T_DOUBLE:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1000
        _m()->double_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1001
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1002
      case T_FLOAT:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1003
        _m()->float_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1004
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1005
      case T_INT:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1006
        _m()->int_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1007
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1008
      case T_LONG:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1009
        _m()->long_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1010
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1011
      case T_SHORT:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1012
        _m()->short_field_put(fd->offset(), 0);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1013
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1014
      case T_BOOLEAN:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1015
        _m()->bool_field_put(fd->offset(), false);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1016
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1017
      case T_ARRAY:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1018
      case T_OBJECT: {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1019
        // It might be useful to cache the String field, but
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1020
        // for now just clear out any reference field
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1021
        oop o = _m()->obj_field(fd->offset());
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1022
        _m()->obj_field_put(fd->offset(), NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1023
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1024
      }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1025
      default:
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1026
        ShouldNotReachHere();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1027
        break;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1028
     }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1029
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1030
};
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1031
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1032
void java_lang_Class::archive_basic_type_mirrors(TRAPS) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1033
  assert(MetaspaceShared::is_heap_object_archiving_allowed(),
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1034
         "MetaspaceShared::is_heap_object_archiving_allowed() must be true");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1035
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1036
  for (int t = 0; t <= T_VOID; t++) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1037
    oop m = Universe::_mirrors[t];
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1038
    if (m != NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1039
      // Update the field at _array_klass_offset to point to the relocated array klass.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1040
      oop archived_m = MetaspaceShared::archive_heap_object(m, THREAD);
51425
4e9667589c43 8209389: SIGSEGV in WalkOopAndArchiveClosure::do_oop_work.
jiangli
parents: 51417
diff changeset
  1041
      assert(archived_m != NULL, "sanity");
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1042
      Klass *ak = (Klass*)(archived_m->metadata_field(_array_klass_offset));
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1043
      assert(ak != NULL || t == T_VOID, "should not be NULL");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1044
      if (ak != NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1045
        Klass *reloc_ak = MetaspaceShared::get_relocated_klass(ak);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1046
        archived_m->metadata_field_put(_array_klass_offset, reloc_ak);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1047
      }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1048
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1049
      // Clear the fields. Just to be safe
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1050
      Klass *k = m->klass();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1051
      Handle archived_mirror_h(THREAD, archived_m);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1052
      ResetMirrorField reset(archived_mirror_h);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1053
      InstanceKlass::cast(k)->do_nonstatic_fields(&reset);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1054
50951
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1055
      log_trace(cds, heap, mirror)(
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1056
        "Archived %s mirror object from " PTR_FORMAT " ==> " PTR_FORMAT,
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1057
        type2name((BasicType)t), p2i(Universe::_mirrors[t]), p2i(archived_m));
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1058
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1059
      Universe::_mirrors[t] = archived_m;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1060
    }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1061
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1062
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1063
  assert(Universe::_mirrors[T_INT] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1064
         Universe::_mirrors[T_FLOAT] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1065
         Universe::_mirrors[T_DOUBLE] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1066
         Universe::_mirrors[T_BYTE] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1067
         Universe::_mirrors[T_BOOLEAN] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1068
         Universe::_mirrors[T_CHAR] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1069
         Universe::_mirrors[T_LONG] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1070
         Universe::_mirrors[T_SHORT] != NULL &&
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1071
         Universe::_mirrors[T_VOID] != NULL, "sanity");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1072
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1073
  Universe::set_int_mirror(Universe::_mirrors[T_INT]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1074
  Universe::set_float_mirror(Universe::_mirrors[T_FLOAT]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1075
  Universe::set_double_mirror(Universe::_mirrors[T_DOUBLE]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1076
  Universe::set_byte_mirror(Universe::_mirrors[T_BYTE]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1077
  Universe::set_bool_mirror(Universe::_mirrors[T_BOOLEAN]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1078
  Universe::set_char_mirror(Universe::_mirrors[T_CHAR]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1079
  Universe::set_long_mirror(Universe::_mirrors[T_LONG]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1080
  Universe::set_short_mirror(Universe::_mirrors[T_SHORT]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1081
  Universe::set_void_mirror(Universe::_mirrors[T_VOID]);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1082
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1083
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1084
//
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1085
// After the mirror object is successfully archived, the archived
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1086
// klass is set with _has_archived_raw_mirror flag.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1087
//
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1088
// The _has_archived_raw_mirror flag is cleared at runtime when the
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1089
// archived mirror is restored. If archived java heap data cannot
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1090
// be used at runtime, new mirror object is created for the shared
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1091
// class. The _has_archived_raw_mirror is cleared also during the process.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1092
oop java_lang_Class::archive_mirror(Klass* k, TRAPS) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1093
  assert(MetaspaceShared::is_heap_object_archiving_allowed(),
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1094
         "MetaspaceShared::is_heap_object_archiving_allowed() must be true");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1095
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1096
  // Mirror is already archived
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1097
  if (k->has_raw_archived_mirror()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1098
    assert(k->archived_java_mirror_raw() != NULL, "no archived mirror");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1099
    return k->archived_java_mirror_raw();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1100
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1101
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1102
  // No mirror
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1103
  oop mirror = k->java_mirror();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1104
  if (mirror == NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1105
    return NULL;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1106
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1107
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1108
  if (k->is_instance_klass()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1109
    InstanceKlass *ik = InstanceKlass::cast(k);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1110
    assert(ik->signers() == NULL && !k->has_signer_and_not_archived(),
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1111
           "class with signer cannot be supported");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1112
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1113
    if (!(ik->is_shared_boot_class() || ik->is_shared_platform_class() ||
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1114
          ik->is_shared_app_class())) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1115
      // Archiving mirror for classes from non-builtin loaders is not
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1116
      // supported. Clear the _java_mirror within the archived class.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1117
      k->set_java_mirror_handle(NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1118
      return NULL;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1119
    }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1120
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1121
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1122
  // Now start archiving the mirror object
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1123
  oop archived_mirror = MetaspaceShared::archive_heap_object(mirror, THREAD);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1124
  if (archived_mirror == NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1125
    return NULL;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1126
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1127
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1128
  archived_mirror = process_archived_mirror(k, mirror, archived_mirror, THREAD);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1129
  if (archived_mirror == NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1130
    return NULL;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1131
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1132
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1133
  k->set_archived_java_mirror_raw(archived_mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1134
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1135
  k->set_has_raw_archived_mirror();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1136
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1137
  ResourceMark rm;
50951
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1138
  log_trace(cds, heap, mirror)(
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1139
    "Archived %s mirror object from " PTR_FORMAT " ==> " PTR_FORMAT,
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1140
    k->external_name(), p2i(mirror), p2i(archived_mirror));
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1141
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1142
  return archived_mirror;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1143
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1144
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1145
// The process is based on create_mirror().
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1146
oop java_lang_Class::process_archived_mirror(Klass* k, oop mirror,
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1147
                                             oop archived_mirror,
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1148
                                             Thread *THREAD) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1149
  // Clear nonstatic fields in archived mirror. Some of the fields will be set
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1150
  // to archived metadata and objects below.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1151
  Klass *c = archived_mirror->klass();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1152
  Handle archived_mirror_h(THREAD, archived_mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1153
  ResetMirrorField reset(archived_mirror_h);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1154
  InstanceKlass::cast(c)->do_nonstatic_fields(&reset);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1155
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1156
  if (k->is_array_klass()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1157
    oop archived_comp_mirror;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1158
    if (k->is_typeArray_klass()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1159
      // The primitive type mirrors are already archived. Get the archived mirror.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1160
      oop comp_mirror = java_lang_Class::component_mirror(mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1161
      archived_comp_mirror = MetaspaceShared::find_archived_heap_object(comp_mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1162
      assert(archived_comp_mirror != NULL, "Must be");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1163
    } else {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1164
      assert(k->is_objArray_klass(), "Must be");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1165
      Klass* element_klass = ObjArrayKlass::cast(k)->element_klass();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1166
      assert(element_klass != NULL, "Must have an element klass");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1167
      archived_comp_mirror = archive_mirror(element_klass, THREAD);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1168
      if (archived_comp_mirror == NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1169
        return NULL;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1170
      }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1171
    }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1172
    java_lang_Class::set_component_mirror(archived_mirror, archived_comp_mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1173
  } else {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1174
    assert(k->is_instance_klass(), "Must be");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1175
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1176
    // Reset local static fields in the mirror
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1177
    InstanceKlass::cast(k)->do_local_static_fields(&reset);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1178
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1179
    java_lang_Class:set_init_lock(archived_mirror, NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1180
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1181
    set_protection_domain(archived_mirror, NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1182
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1183
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1184
  // clear class loader and mirror_module_field
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1185
  set_class_loader(archived_mirror, NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1186
  set_module(archived_mirror, NULL);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1187
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1188
  // The archived mirror's field at _klass_offset is still pointing to the original
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1189
  // klass. Updated the field in the archived mirror to point to the relocated
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1190
  // klass in the archive.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1191
  Klass *reloc_k = MetaspaceShared::get_relocated_klass(as_Klass(mirror));
50951
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1192
  log_debug(cds, heap, mirror)(
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1193
    "Relocate mirror metadata field at _klass_offset from " PTR_FORMAT " ==> " PTR_FORMAT,
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1194
    p2i(as_Klass(mirror)), p2i(reloc_k));
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1195
  archived_mirror->metadata_field_put(_klass_offset, reloc_k);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1196
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1197
  // The field at _array_klass_offset is pointing to the original one dimension
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1198
  // higher array klass if exists. Relocate the pointer.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1199
  Klass *arr = array_klass_acquire(mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1200
  if (arr != NULL) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1201
    Klass *reloc_arr = MetaspaceShared::get_relocated_klass(arr);
50951
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1202
    log_debug(cds, heap, mirror)(
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1203
      "Relocate mirror metadata field at _array_klass_offset from " PTR_FORMAT " ==> " PTR_FORMAT,
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1204
      p2i(arr), p2i(reloc_arr));
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1205
    archived_mirror->metadata_field_put(_array_klass_offset, reloc_arr);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1206
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1207
  return archived_mirror;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1208
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1209
50532
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1210
// Returns true if the mirror is updated, false if no archived mirror
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1211
// data is present. After the archived mirror object is restored, the
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1212
// shared klass' _has_raw_archived_mirror flag is cleared.
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1213
bool java_lang_Class::restore_archived_mirror(Klass *k,
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1214
                                              Handle class_loader, Handle module,
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1215
                                              Handle protection_domain, TRAPS) {
50532
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1216
  oop m = MetaspaceShared::materialize_archived_object(k->archived_java_mirror_raw());
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1217
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1218
  if (m == NULL) {
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1219
    return false;
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1220
  }
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1221
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1222
  log_debug(cds, mirror)("Archived mirror is: " PTR_FORMAT, p2i(m));
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1223
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1224
  // mirror is archived, restore
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1225
  assert(MetaspaceShared::is_archive_object(m), "must be archived mirror object");
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1226
  Handle mirror(THREAD, m);
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1227
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1228
  // The java.lang.Class field offsets were archived and reloaded from archive.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1229
  // No need to put classes on the fixup_mirror_list before java.lang.Class
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1230
  // is loaded.
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1231
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1232
  if (!k->is_array_klass()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1233
    // - local static final fields with initial values were initialized at dump time
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1234
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1235
    // create the init_lock
50532
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1236
    typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_(false));
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1237
    set_init_lock(mirror(), r);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1238
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1239
    if (protection_domain.not_null()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1240
      set_protection_domain(mirror(), protection_domain());
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1241
    }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1242
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1243
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1244
  assert(class_loader() == k->class_loader(), "should be same");
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1245
  if (class_loader.not_null()) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1246
    set_class_loader(mirror(), class_loader());
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1247
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1248
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1249
  k->set_java_mirror(mirror);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1250
  k->clear_has_raw_archived_mirror();
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1251
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1252
  set_mirror_module_field(k, mirror, module, THREAD);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1253
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1254
  ResourceMark rm;
50951
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1255
  log_trace(cds, heap, mirror)(
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  1256
    "Restored %s archived mirror " PTR_FORMAT, k->external_name(), p2i(mirror()));
50532
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1257
a18c60527166 8204585: Remove IN_ARCHIVE_ROOT from Access API
kbarrett
parents: 50419
diff changeset
  1258
  return true;
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1259
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1260
#endif // INCLUDE_CDS_JAVA_HEAP
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1261
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  1262
void java_lang_Class::fixup_module_field(Klass* k, Handle module) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1263
  assert(_module_offset != 0, "must have been computed already");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1264
  java_lang_Class::set_module(k->java_mirror(), module());
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1265
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1267
int  java_lang_Class::oop_size(oop java_class) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1268
  assert(_oop_size_offset != 0, "must be set");
39695
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1269
  int size = java_class->int_field(_oop_size_offset);
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1270
  assert(size > 0, "Oop size must be greater than zero, not %d", size);
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1271
  return size;
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1272
}
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1273
50882
80abf702eed8 8205683: Refactor heap allocation to separate concerns
eosterlund
parents: 50819
diff changeset
  1274
void java_lang_Class::set_oop_size(HeapWord* java_class, int size) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1275
  assert(_oop_size_offset != 0, "must be set");
39695
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1276
  assert(size > 0, "Oop size must be greater than zero, not %d", size);
50882
80abf702eed8 8205683: Refactor heap allocation to separate concerns
eosterlund
parents: 50819
diff changeset
  1277
  *(int*)(((char*)java_class) + _oop_size_offset) = size;
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1278
}
39695
946f1321c075 8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
drwhite
parents: 39402
diff changeset
  1279
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1280
int  java_lang_Class::static_oop_field_count(oop java_class) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1281
  assert(_static_oop_field_count_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1282
  return java_class->int_field(_static_oop_field_count_offset);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1283
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1284
void java_lang_Class::set_static_oop_field_count(oop java_class, int size) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1285
  assert(_static_oop_field_count_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1286
  java_class->int_field_put(_static_oop_field_count_offset, size);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1287
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1288
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1289
oop java_lang_Class::protection_domain(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1290
  assert(_protection_domain_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1291
  return java_class->obj_field(_protection_domain_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1292
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1293
void java_lang_Class::set_protection_domain(oop java_class, oop pd) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1294
  assert(_protection_domain_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1295
  java_class->obj_field_put(_protection_domain_offset, pd);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1296
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1297
25465
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1298
void java_lang_Class::set_component_mirror(oop java_class, oop comp_mirror) {
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
  1299
  assert(_component_mirror_offset != 0, "must be set");
25465
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1300
    java_class->obj_field_put(_component_mirror_offset, comp_mirror);
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1301
  }
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1302
oop java_lang_Class::component_mirror(oop java_class) {
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1303
  assert(_component_mirror_offset != 0, "must be set");
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1304
  return java_class->obj_field(_component_mirror_offset);
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1305
}
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  1306
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1307
oop java_lang_Class::init_lock(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1308
  assert(_init_lock_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1309
  return java_class->obj_field(_init_lock_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1310
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1311
void java_lang_Class::set_init_lock(oop java_class, oop init_lock) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1312
  assert(_init_lock_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1313
  java_class->obj_field_put(_init_lock_offset, init_lock);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1314
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1315
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1316
objArrayOop java_lang_Class::signers(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1317
  assert(_signers_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1318
  return (objArrayOop)java_class->obj_field(_signers_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1319
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1320
void java_lang_Class::set_signers(oop java_class, objArrayOop signers) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1321
  assert(_signers_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1322
  java_class->obj_field_put(_signers_offset, (oop)signers);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1323
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1324
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  1325
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1326
void java_lang_Class::set_class_loader(oop java_class, oop loader) {
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1327
  // jdk7 runs Queens in bootstrapping and jdk8-9 has no coordinated pushes yet.
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1328
  if (_class_loader_offset != 0) {
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1329
    java_class->obj_field_put(_class_loader_offset, loader);
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1330
  }
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1331
}
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1332
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1333
oop java_lang_Class::class_loader(oop java_class) {
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1334
  assert(_class_loader_offset != 0, "must be set");
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1335
  return java_class->obj_field(_class_loader_offset);
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1336
}
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  1337
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1338
oop java_lang_Class::module(oop java_class) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1339
  assert(_module_offset != 0, "must be set");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1340
  return java_class->obj_field(_module_offset);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1341
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1342
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1343
void java_lang_Class::set_module(oop java_class, oop module) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1344
  assert(_module_offset != 0, "must be set");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1345
  java_class->obj_field_put(_module_offset, module);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1346
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1347
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
  // This should be improved by adding a field at the Java level or by
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
  // introducing a new VM klass (see comment in ClassFileParser)
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  1351
  oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
  if (type != T_VOID) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1353
    Klass* aklass = Universe::typeArrayKlassObj(type);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
    assert(aklass != NULL, "correct bootstrap");
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
  1355
    release_set_array_klass(java_class, aklass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
  }
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1357
#ifdef ASSERT
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  1358
  InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass());
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1359
  assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation");
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1360
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
  return java_class;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1364
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1365
Klass* java_lang_Class::as_Klass(oop java_class) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  //%note memory_2
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  1367
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1368
  Klass* k = ((Klass*)java_class->metadata_field(_klass_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
  assert(k == NULL || k->is_klass(), "type check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1374
void java_lang_Class::set_klass(oop java_class, Klass* klass) {
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1375
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1376
  java_class->metadata_field_put(_klass_offset, klass);
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1377
}
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1378
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
  1379
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1380
void java_lang_Class::print_signature(oop java_class, outputStream* st) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1381
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1382
  Symbol* name = NULL;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1383
  bool is_instance = false;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1384
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1385
    name = vmSymbols::type_signature(primitive_type(java_class));
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1386
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1387
    Klass* k = as_Klass(java_class);
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
  1388
    is_instance = k->is_instance_klass();
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
  1389
    name = k->name();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1390
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1391
  if (name == NULL) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1392
    st->print("<null>");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1393
    return;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1394
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1395
  if (is_instance)  st->print("L");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1396
  st->write((char*) name->base(), (int) name->utf8_length());
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1397
  if (is_instance)  st->print(";");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1398
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1399
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1400
Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1401
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1402
  Symbol* name;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1403
  if (is_primitive(java_class)) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1404
    name = vmSymbols::type_signature(primitive_type(java_class));
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1405
    // Because this can create a new symbol, the caller has to decrement
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1406
    // the refcount, so make adjustment here and below for symbols returned
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1407
    // that are not created or incremented due to a successful lookup.
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1408
    name->increment_refcount();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1409
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1410
    Klass* k = as_Klass(java_class);
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
  1411
    if (!k->is_instance_klass()) {
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
  1412
      name = k->name();
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1413
      name->increment_refcount();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1414
    } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1415
      ResourceMark rm;
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
  1416
      const char* sigstr = k->signature_name();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1417
      int         siglen = (int) strlen(sigstr);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1418
      if (!intern_if_not_found) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1419
        name = SymbolTable::probe(sigstr, siglen);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1420
      } else {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1421
        name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1422
      }
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1423
    }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1424
  }
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  1425
  return name;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1426
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1427
31970
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1428
// Returns the Java name for this Java mirror (Resource allocated)
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1429
// See Klass::external_name().
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1430
// For primitive type Java mirrors, its type name is returned.
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1431
const char* java_lang_Class::as_external_name(oop java_class) {
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1432
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1433
  const char* name = NULL;
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1434
  if (is_primitive(java_class)) {
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1435
    name = type2name(primitive_type(java_class));
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1436
  } else {
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1437
    name = as_Klass(java_class)->external_name();
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1438
  }
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1439
  if (name == NULL) {
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1440
    name = "<null>";
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1441
  }
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1442
  return name;
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
  1443
}
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1444
46722
ae2cfffe2e64 8185296: java_lang_Class::array_klass should be array_klass_acquire
coleenp
parents: 46710
diff changeset
  1445
Klass* java_lang_Class::array_klass_acquire(oop java_class) {
ae2cfffe2e64 8185296: java_lang_Class::array_klass should be array_klass_acquire
coleenp
parents: 46710
diff changeset
  1446
  Klass* k = ((Klass*)java_class->metadata_field_acquire(_array_klass_offset));
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
  1447
  assert(k == NULL || k->is_klass() && k->is_array_klass(), "should be array klass");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
  1452
void java_lang_Class::release_set_array_klass(oop java_class, Klass* klass) {
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
  1453
  assert(klass->is_klass() && klass->is_array_klass(), "should be array klass");
46710
941f16147746 8182397: Race in field updates when creating ArrayKlasses can lead to crash
coleenp
parents: 46643
diff changeset
  1454
  java_class->release_metadata_field_put(_array_klass_offset, klass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
bool java_lang_Class::is_primitive(oop java_class) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1459
  // should assert:
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1460
  //assert(java_lang_Class::is_instance(java_class), "must be a Class object");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1461
  bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1462
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1463
#ifdef ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1464
  if (is_primitive) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1465
    Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
  1466
    assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()),
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1467
        "Should be either the T_VOID primitive or a java primitive");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1468
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1469
#endif
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1470
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1471
  return is_primitive;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
BasicType java_lang_Class::primitive_type(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
  assert(java_lang_Class::is_primitive(java_class), "just checking");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1477
  Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
  BasicType type = T_VOID;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
  if (ak != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
    // Note: create_basic_type_mirror above initializes ak to a non-null value.
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
  1481
    type = ArrayKlass::cast(ak)->element_type();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
  } else {
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  1483
    assert(oopDesc::equals(java_class, Universe::void_mirror()), "only valid non-array primitive");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
  }
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  1485
  assert(oopDesc::equals(Universe::java_mirror(type), java_class), "must be consistent");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
  return type;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1489
BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1490
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1491
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1492
    if (reference_klass != NULL)
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1493
      (*reference_klass) = NULL;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1494
    return primitive_type(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1495
  } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1496
    if (reference_klass != NULL)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1497
      (*reference_klass) = as_Klass(java_class);
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1498
    return T_OBJECT;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1499
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1500
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  1501
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
oop java_lang_Class::primitive_mirror(BasicType t) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
  oop mirror = Universe::java_mirror(t);
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1505
  assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
  assert(java_lang_Class::is_primitive(mirror), "must be primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
  return mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
bool java_lang_Class::offsets_computed = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
int  java_lang_Class::classRedefinedCount_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1513
#define CLASS_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1514
  macro(classRedefinedCount_offset, k, "classRedefinedCount", int_signature,         false) ; \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1515
  macro(_class_loader_offset,       k, "classLoader",         classloader_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1516
  macro(_component_mirror_offset,   k, "componentType",       class_signature,       false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1517
  macro(_module_offset,             k, "module",              module_signature,      false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1518
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
void java_lang_Class::compute_offsets() {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1520
  if (offsets_computed) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1521
    return;
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1522
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1523
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
  offsets_computed = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  1526
  InstanceKlass* k = SystemDictionary::Class_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1527
  CLASS_FIELDS_DO(FIELD_COMPUTE_OFFSET);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  1528
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
  1529
  // Init lock is a C union with component_mirror.  Only instanceKlass mirrors have
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
  1530
  // init_lock and only ArrayKlass mirrors have component_mirror.  Since both are oops
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
  1531
  // GC treats them the same.
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
  1532
  _init_lock_offset = _component_mirror_offset;
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
  1533
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  1534
  CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1537
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  1538
void java_lang_Class::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1539
  f->do_u4((u4*)&offsets_computed);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1540
  f->do_u4((u4*)&_init_lock_offset);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1541
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1542
  CLASS_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1543
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1544
  CLASS_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1545
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1546
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1547
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
int java_lang_Class::classRedefinedCount(oop the_class_mirror) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1549
  if (classRedefinedCount_offset == -1) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
    // If we don't have an offset for it then just return -1 as a marker.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1552
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
  return the_class_mirror->int_field(classRedefinedCount_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1555
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1558
  if (classRedefinedCount_offset == -1) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
    // If we don't have an offset for it then nothing to set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1560
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1562
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1563
  the_class_mirror->int_field_put(classRedefinedCount_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
// Note: JDK1.1 and before had a privateInfo_offset field which was used for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
//       platform thread structure, and a eetop offset which was used for thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
//       local storage (and unused by the HotSpot VM). In JDK1.2 the two structures
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
//       merged, so in the HotSpot VM we just use the eetop field for the thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
//       instead of the privateInfo_offset.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
// Note: The stackSize field is only present starting in 1.4.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
int java_lang_Thread::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
int java_lang_Thread::_group_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
int java_lang_Thread::_contextClassLoader_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
int java_lang_Thread::_inheritedAccessControlContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
int java_lang_Thread::_priority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
int java_lang_Thread::_eetop_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
int java_lang_Thread::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
int java_lang_Thread::_stillborn_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
int java_lang_Thread::_stackSize_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
int java_lang_Thread::_tid_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
int java_lang_Thread::_thread_status_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
int java_lang_Thread::_park_blocker_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
int java_lang_Thread::_park_event_offset = 0 ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1589
#define THREAD_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1590
  macro(_name_offset,          k, vmSymbols::name_name(), string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1591
  macro(_group_offset,         k, vmSymbols::group_name(), threadgroup_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1592
  macro(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), classloader_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1593
  macro(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), accesscontrolcontext_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1594
  macro(_priority_offset,      k, vmSymbols::priority_name(), int_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1595
  macro(_daemon_offset,        k, vmSymbols::daemon_name(), bool_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1596
  macro(_eetop_offset,         k, "eetop", long_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1597
  macro(_stillborn_offset,     k, "stillborn", bool_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1598
  macro(_stackSize_offset,     k, "stackSize", long_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1599
  macro(_tid_offset,           k, "tid", long_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1600
  macro(_thread_status_offset, k, "threadStatus", int_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1601
  macro(_park_blocker_offset,  k, "parkBlocker", object_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1602
  macro(_park_event_offset,    k, "nativeParkEventPointer", long_signature, false)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
void java_lang_Thread::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1605
  assert(_group_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1606
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  1607
  InstanceKlass* k = SystemDictionary::Thread_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1608
  THREAD_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1609
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1610
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1611
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  1612
void java_lang_Thread::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1613
  THREAD_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1614
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1615
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
JavaThread* java_lang_Thread::thread(oop java_thread) {
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  1618
  return (JavaThread*)java_thread->address_field(_eetop_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1619
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1621
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) {
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  1623
  java_thread->address_field_put(_eetop_offset, (address)thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1625
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1626
27654
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1627
oop java_lang_Thread::name(oop java_thread) {
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1628
  return java_thread->obj_field(_name_offset);
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1629
}
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1630
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1631
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1632
void java_lang_Thread::set_name(oop java_thread, oop name) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1633
  java_thread->obj_field_put(_name_offset, name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1634
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1635
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
ThreadPriority java_lang_Thread::priority(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
  return (ThreadPriority)java_thread->int_field(_priority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1640
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1642
void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1643
  java_thread->int_field_put(_priority_offset, priority);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
oop java_lang_Thread::threadGroup(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
  return java_thread->obj_field(_group_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1650
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1652
bool java_lang_Thread::is_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
  return java_thread->bool_field(_stillborn_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1655
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1656
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1657
// We never have reason to turn the stillborn bit off
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
void java_lang_Thread::set_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1659
  java_thread->bool_field_put(_stillborn_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1660
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1661
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1662
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
bool java_lang_Thread::is_alive(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
  JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1665
  return (thr != NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1667
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1669
bool java_lang_Thread::is_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1670
  return java_thread->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
void java_lang_Thread::set_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
  java_thread->bool_field_put(_daemon_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
oop java_lang_Thread::context_class_loader(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
  return java_thread->obj_field(_contextClassLoader_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
oop java_lang_Thread::inherited_access_control_context(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
  return java_thread->obj_field(_inheritedAccessControlContext_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
jlong java_lang_Thread::stackSize(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
  if (_stackSize_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
    return java_thread->long_field(_stackSize_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
// Write the thread status value to threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
void java_lang_Thread::set_thread_status(oop java_thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
                                         java_lang_Thread::ThreadStatus status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
    java_thread->int_field_put(_thread_status_offset, status);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
// Read thread status value from threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) {
46643
cb5f289ba033 8183545: Event tracing, transition hooks
rehn
parents: 46630
diff changeset
  1706
  // Make sure the caller is operating on behalf of the VM or is
cb5f289ba033 8183545: Event tracing, transition hooks
rehn
parents: 46630
diff changeset
  1707
  // running VM code (state == _thread_in_vm).
cb5f289ba033 8183545: Event tracing, transition hooks
rehn
parents: 46630
diff changeset
  1708
  assert(Threads_lock->owned_by_self() || Thread::current()->is_VM_thread() ||
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
         JavaThread::current()->thread_state() == _thread_in_vm,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
         "Java Thread is not running in vm");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1711
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1713
    return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1715
    // All we can easily figure out is if it is alive, but that is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
    // enough info for a valid unknown status.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
    // These aren't restricted to valid set ThreadStatus values, so
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
    // use JVMTI values and cast.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
    JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
    if (thr == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
      // the thread hasn't run yet or is in the process of exiting
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
      return NEW;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
    return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
jlong java_lang_Thread::thread_id(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
  // The thread ID field is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
  if (_tid_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
    return java_thread->long_field(_tid_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
oop java_lang_Thread::park_blocker(oop java_thread) {
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
  1739
  assert(JDK_Version::current().supports_thread_park_blocker() &&
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
  1740
         _park_blocker_offset != 0, "Must support parkBlocker field");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
  if (_park_blocker_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
    return java_thread->obj_field(_park_blocker_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
jlong java_lang_Thread::park_event(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
    return java_thread->long_field(_park_event_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
  return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
    java_thread->long_field_put(_park_event_offset, ptr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
const char* java_lang_Thread::thread_status_name(oop java_thread) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1766
  assert(_thread_status_offset != 0, "Must have thread status");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
  ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
  switch (status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
    case NEW                      : return "NEW";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
    case RUNNABLE                 : return "RUNNABLE";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
    case SLEEPING                 : return "TIMED_WAITING (sleeping)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
    case IN_OBJECT_WAIT           : return "WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
    case IN_OBJECT_WAIT_TIMED     : return "TIMED_WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
    case PARKED                   : return "WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
    case PARKED_TIMED             : return "TIMED_WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
    case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
    case TERMINATED               : return "TERMINATED";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
    default                       : return "UNKNOWN";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1779
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
int java_lang_ThreadGroup::_parent_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
int java_lang_ThreadGroup::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
int java_lang_ThreadGroup::_threads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
int java_lang_ThreadGroup::_groups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
int java_lang_ThreadGroup::_maxPriority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
int java_lang_ThreadGroup::_destroyed_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
int java_lang_ThreadGroup::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
int java_lang_ThreadGroup::_nthreads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
int java_lang_ThreadGroup::_ngroups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1790
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
oop  java_lang_ThreadGroup::parent(oop java_thread_group) {
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  1792
  assert(oopDesc::is_oop(java_thread_group), "thread group must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
  return java_thread_group->obj_field(_parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
// ("name as oop" accessor is not necessary)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
  1798
const char* java_lang_ThreadGroup::name(oop java_thread_group) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
  oop name = java_thread_group->obj_field(_name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1800
  // ThreadGroup.name can be null
33628
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
  1801
  if (name != NULL) {
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
  1802
    return java_lang_String::as_utf8_string(name);
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
  1803
  }
09241459a8b8 8141132: JEP 254: Compact Strings
thartmann
parents: 33198
diff changeset
  1804
  return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1805
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1806
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1807
int java_lang_ThreadGroup::nthreads(oop java_thread_group) {
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  1808
  assert(oopDesc::is_oop(java_thread_group), "thread group must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
  return java_thread_group->int_field(_nthreads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
  oop threads = java_thread_group->obj_field(_threads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
  assert(threads != NULL, "threadgroups should have threads");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
  assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1816
  return objArrayOop(threads);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
int java_lang_ThreadGroup::ngroups(oop java_thread_group) {
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  1820
  assert(oopDesc::is_oop(java_thread_group), "thread group must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
  return java_thread_group->int_field(_ngroups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
  oop groups = java_thread_group->obj_field(_groups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
  assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
  return objArrayOop(groups);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) {
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  1831
  assert(oopDesc::is_oop(java_thread_group), "thread group must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
  return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) {
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  1836
  assert(oopDesc::is_oop(java_thread_group), "thread group must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
  return java_thread_group->bool_field(_destroyed_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1838
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1839
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1840
bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) {
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  1841
  assert(oopDesc::is_oop(java_thread_group), "thread group must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
  return java_thread_group->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1843
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1845
#define THREADGROUP_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1846
  macro(_parent_offset,      k, vmSymbols::parent_name(),      threadgroup_signature,       false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1847
  macro(_name_offset,        k, vmSymbols::name_name(),        string_signature,            false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1848
  macro(_threads_offset,     k, vmSymbols::threads_name(),     thread_array_signature,      false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1849
  macro(_groups_offset,      k, vmSymbols::groups_name(),      threadgroup_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1850
  macro(_maxPriority_offset, k, vmSymbols::maxPriority_name(), int_signature,               false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1851
  macro(_destroyed_offset,   k, vmSymbols::destroyed_name(),   bool_signature,              false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1852
  macro(_daemon_offset,      k, vmSymbols::daemon_name(),      bool_signature,              false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1853
  macro(_nthreads_offset,    k, vmSymbols::nthreads_name(),    int_signature,               false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1854
  macro(_ngroups_offset,     k, vmSymbols::ngroups_name(),     int_signature,               false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1855
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1856
void java_lang_ThreadGroup::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
  assert(_parent_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  1859
  InstanceKlass* k = SystemDictionary::ThreadGroup_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1860
  THREADGROUP_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1861
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1862
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1863
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  1864
void java_lang_ThreadGroup::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1865
  THREADGROUP_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1866
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1867
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1868
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1869
#define THROWABLE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1870
  macro(backtrace_offset,     k, "backtrace",     object_signature,                  false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1871
  macro(detailMessage_offset, k, "detailMessage", string_signature,                  false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1872
  macro(stackTrace_offset,    k, "stackTrace",    java_lang_StackTraceElement_array, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1873
  macro(depth_offset,         k, "depth",         int_signature,                     false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1874
  macro(static_unassigned_stacktrace_offset, k, "UNASSIGNED_STACK", java_lang_StackTraceElement_array, true)
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1875
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1876
void java_lang_Throwable::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  1877
  InstanceKlass* k = SystemDictionary::Throwable_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1878
  THROWABLE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1879
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1880
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1881
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  1882
void java_lang_Throwable::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1883
  THROWABLE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1884
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  1885
#endif
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1886
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1887
oop java_lang_Throwable::unassigned_stacktrace() {
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  1888
  InstanceKlass* ik = SystemDictionary::Throwable_klass();
49473
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  1889
  oop base = ik->static_field_base_raw();
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  1890
  return base->obj_field(static_unassigned_stacktrace_offset);
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1891
}
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1892
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
oop java_lang_Throwable::backtrace(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
  return throwable->obj_field_acquire(backtrace_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1895
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
void java_lang_Throwable::set_backtrace(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
  throwable->release_obj_field_put(backtrace_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1902
int java_lang_Throwable::depth(oop throwable) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1903
  return throwable->int_field(depth_offset);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1904
}
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1905
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1906
void java_lang_Throwable::set_depth(oop throwable, int value) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1907
  throwable->int_field_put(depth_offset, value);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1908
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  1910
oop java_lang_Throwable::message(oop throwable) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
25624
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1915
// Return Symbol for detailed_message or NULL
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1916
Symbol* java_lang_Throwable::detail_message(oop throwable) {
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1917
  PRESERVE_EXCEPTION_MARK;  // Keep original exception
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1918
  oop detailed_message = java_lang_Throwable::message(throwable);
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1919
  if (detailed_message != NULL) {
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1920
    return java_lang_String::as_symbol(detailed_message, THREAD);
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1921
  }
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1922
  return NULL;
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1923
}
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1924
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
void java_lang_Throwable::set_message(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
  throwable->obj_field_put(detailMessage_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1928
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1929
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1930
void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) {
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1931
  throwable->obj_field_put(stackTrace_offset, st_element_array);
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1932
}
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1933
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1934
void java_lang_Throwable::clear_stacktrace(oop throwable) {
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1935
  set_stacktrace(throwable, NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1936
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  1939
void java_lang_Throwable::print(oop throwable, outputStream* st) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1940
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1941
  Klass* k = throwable->klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
  assert(k != NULL, "just checking");
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  1943
  st->print("%s", k->external_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1944
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1945
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1950
// After this many redefines, the stack trace is unreliable.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1951
const int MAX_VERSION = USHRT_MAX;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1952
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1953
static inline bool version_matches(Method* method, int version) {
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1954
  assert(version < MAX_VERSION, "version is too big");
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1955
  return method != NULL && (method->constants()->version() == version);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1956
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1957
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1958
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1959
// This class provides a simple wrapper over the internal structure of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
// exception backtrace to insulate users of the backtrace from needing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1961
// to know what it looks like.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1962
class BacktraceBuilder: public StackObj {
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  1963
 friend class BacktraceIterator;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1964
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1965
  Handle          _backtrace;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1966
  objArrayOop     _head;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1967
  typeArrayOop    _methods;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1968
  typeArrayOop    _bcis;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1969
  objArrayOop     _mirrors;
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  1970
  typeArrayOop    _names; // needed to insulate method name against redefinition
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1971
  int             _index;
35492
c8c0273e6b91 8146690: Make all classes in GC follow the naming convention.
david
parents: 34317
diff changeset
  1972
  NoSafepointVerifier _nsv;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1973
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1974
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1975
    trace_methods_offset = java_lang_Throwable::trace_methods_offset,
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1976
    trace_bcis_offset    = java_lang_Throwable::trace_bcis_offset,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1977
    trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset,
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  1978
    trace_names_offset   = java_lang_Throwable::trace_names_offset,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1979
    trace_next_offset    = java_lang_Throwable::trace_next_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1980
    trace_size           = java_lang_Throwable::trace_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1981
    trace_chunk_size     = java_lang_Throwable::trace_chunk_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1982
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1983
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1984
  // get info out of chunks
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1985
  static typeArrayOop get_methods(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1986
    typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1987
    assert(methods != NULL, "method array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1988
    return methods;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1989
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1990
  static typeArrayOop get_bcis(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1991
    typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1992
    assert(bcis != NULL, "bci array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1993
    return bcis;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1994
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1995
  static objArrayOop get_mirrors(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1996
    objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1997
    assert(mirrors != NULL, "mirror array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1998
    return mirrors;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1999
  }
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2000
  static typeArrayOop get_names(objArrayHandle chunk) {
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2001
    typeArrayOop names = typeArrayOop(chunk->obj_at(trace_names_offset));
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2002
    assert(names != NULL, "names array should be initialized in backtrace");
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2003
    return names;
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  2004
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2005
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2006
 public:
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2007
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
  // constructor for new backtrace
51334
cc2c79d22508 8208671: Runtime, JFR, Serviceability changes to allow enabling -Wreorder
tschatzl
parents: 51097
diff changeset
  2009
  BacktraceBuilder(TRAPS): _head(NULL), _methods(NULL), _bcis(NULL), _mirrors(NULL), _names(NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
    expand(CHECK);
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2011
    _backtrace = Handle(THREAD, _head);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2015
  BacktraceBuilder(Thread* thread, objArrayHandle backtrace) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2016
    _methods = get_methods(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2017
    _bcis = get_bcis(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2018
    _mirrors = get_mirrors(backtrace);
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2019
    _names = get_names(backtrace);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2020
    assert(_methods->length() == _bcis->length() &&
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2021
           _methods->length() == _mirrors->length() &&
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2022
           _mirrors->length() == _names->length(),
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2023
           "method and source information arrays should match");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2024
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2025
    // head is the preallocated backtrace
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2026
    _head = backtrace();
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2027
    _backtrace = Handle(thread, _head);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2028
    _index = 0;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2029
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2030
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2031
  void expand(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
    objArrayHandle old_head(THREAD, _head);
35492
c8c0273e6b91 8146690: Make all classes in GC follow the naming convention.
david
parents: 34317
diff changeset
  2033
    PauseNoSafepointVerifier pnsv(&_nsv);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2035
    objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2036
    objArrayHandle new_head(THREAD, head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2037
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2038
    typeArrayOop methods = oopFactory::new_shortArray(trace_chunk_size, CHECK);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2039
    typeArrayHandle new_methods(THREAD, methods);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2040
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2041
    typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2042
    typeArrayHandle new_bcis(THREAD, bcis);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2043
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2044
    objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2045
    objArrayHandle new_mirrors(THREAD, mirrors);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2046
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2047
    typeArrayOop names = oopFactory::new_symbolArray(trace_chunk_size, CHECK);
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2048
    typeArrayHandle new_names(THREAD, names);
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  2049
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2050
    if (!old_head.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2051
      old_head->obj_at_put(trace_next_offset, new_head());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2052
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2053
    new_head->obj_at_put(trace_methods_offset, new_methods());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2054
    new_head->obj_at_put(trace_bcis_offset, new_bcis());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2055
    new_head->obj_at_put(trace_mirrors_offset, new_mirrors());
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2056
    new_head->obj_at_put(trace_names_offset, new_names());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2057
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
    _head    = new_head();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
    _methods = new_methods();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2060
    _bcis = new_bcis();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2061
    _mirrors = new_mirrors();
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2062
    _names  = new_names();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
  oop backtrace() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
    return _backtrace();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2070
  inline void push(Method* method, int bci, TRAPS) {
11564
72cf4575309b 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 10742
diff changeset
  2071
    // Smear the -1 bci to 0 since the array only holds unsigned
72cf4575309b 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 10742
diff changeset
  2072
    // shorts.  The later line number lookup would just smear the -1
72cf4575309b 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 10742
diff changeset
  2073
    // to a 0 even if it could be recorded.
72cf4575309b 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 10742
diff changeset
  2074
    if (bci == SynchronizationEntryBCI) bci = 0;
72cf4575309b 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 10742
diff changeset
  2075
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
    if (_index >= trace_chunk_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
      methodHandle mhandle(THREAD, method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
      expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
      method = mhandle();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
48814
f01f81fa1242 8194246: JVM crashes when calling getStackTrace if stack contains a method that is a member of a very large class
coleenp
parents: 48620
diff changeset
  2082
    _methods->ushort_at_put(_index, method->orig_method_idnum());
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2083
    _bcis->int_at_put(_index, Backtrace::merge_bci_and_version(bci, method->constants()->version()));
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2084
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2085
    // Note:this doesn't leak symbols because the mirror in the backtrace keeps the
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2086
    // klass owning the symbols alive so their refcounts aren't decremented.
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2087
    Symbol* name = method->name();
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2088
    _names->symbol_at_put(_index, name);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2089
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2090
    // We need to save the mirrors in the backtrace to keep the class
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2091
    // from being unloaded while we still have this stack trace.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2092
    assert(method->method_holder()->java_mirror() != NULL, "never push null for mirror");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2093
    _mirrors->obj_at_put(_index, method->method_holder()->java_mirror());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2094
    _index++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2095
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2096
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2097
};
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2098
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2099
struct BacktraceElement : public StackObj {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2100
  int _method_id;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2101
  int _bci;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2102
  int _version;
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2103
  Symbol* _name;
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2104
  Handle _mirror;
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2105
  BacktraceElement(Handle mirror, int mid, int version, int bci, Symbol* name) :
51334
cc2c79d22508 8208671: Runtime, JFR, Serviceability changes to allow enabling -Wreorder
tschatzl
parents: 51097
diff changeset
  2106
                   _method_id(mid), _bci(bci), _version(version), _name(name), _mirror(mirror) {}
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2107
};
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2108
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2109
class BacktraceIterator : public StackObj {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2110
  int _index;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2111
  objArrayHandle  _result;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2112
  objArrayHandle  _mirrors;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2113
  typeArrayHandle _methods;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2114
  typeArrayHandle _bcis;
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2115
  typeArrayHandle _names;
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2116
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2117
  void init(objArrayHandle result, Thread* thread) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2118
    // Get method id, bci, version and mirror from chunk
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2119
    _result = result;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2120
    if (_result.not_null()) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2121
      _methods = typeArrayHandle(thread, BacktraceBuilder::get_methods(_result));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2122
      _bcis = typeArrayHandle(thread, BacktraceBuilder::get_bcis(_result));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2123
      _mirrors = objArrayHandle(thread, BacktraceBuilder::get_mirrors(_result));
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2124
      _names = typeArrayHandle(thread, BacktraceBuilder::get_names(_result));
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2125
      _index = 0;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2126
    }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2127
  }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2128
 public:
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2129
  BacktraceIterator(objArrayHandle result, Thread* thread) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2130
    init(result, thread);
37082
1a8577705228 8151728: jni test crashes JVM assert(_handle != __null) failed: resolving NULL handle
coleenp
parents: 37064
diff changeset
  2131
    assert(_methods.is_null() || _methods->length() == java_lang_Throwable::trace_chunk_size, "lengths don't match");
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2132
  }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2133
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2134
  BacktraceElement next(Thread* thread) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2135
    BacktraceElement e (Handle(thread, _mirrors->obj_at(_index)),
48814
f01f81fa1242 8194246: JVM crashes when calling getStackTrace if stack contains a method that is a member of a very large class
coleenp
parents: 48620
diff changeset
  2136
                        _methods->ushort_at(_index),
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2137
                        Backtrace::version_at(_bcis->int_at(_index)),
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2138
                        Backtrace::bci_at(_bcis->int_at(_index)),
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2139
                        _names->symbol_at(_index));
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2140
    _index++;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2141
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2142
    if (_index >= java_lang_Throwable::trace_chunk_size) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2143
      int next_offset = java_lang_Throwable::trace_next_offset;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2144
      // Get next chunk
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2145
      objArrayHandle result (thread, objArrayOop(_result->obj_at(next_offset)));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2146
      init(result, thread);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2147
    }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2148
    return e;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2149
  }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2150
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2151
  bool repeat() {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2152
    return _result.not_null() && _mirrors->obj_at(_index) != NULL;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2153
  }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2154
};
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2155
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2156
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2157
// Print stack trace element to resource allocated buffer
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2158
static void print_stack_element_to_stream(outputStream* st, Handle mirror, int method_id,
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2159
                                          int version, int bci, Symbol* name) {
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2160
  ResourceMark rm;
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2161
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2162
  // Get strings and string lengths
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2163
  InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2164
  const char* klass_name  = holder->external_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2165
  int buf_len = (int)strlen(klass_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2166
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2167
  char* method_name = name->as_C_string();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2168
  buf_len += (int)strlen(method_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2169
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2170
  char* source_file_name = NULL;
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2171
  Symbol* source = Backtrace::get_source_file_name(holder, version);
31985
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  2172
  if (source != NULL) {
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  2173
    source_file_name = source->as_C_string();
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  2174
    buf_len += (int)strlen(source_file_name);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2175
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2176
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2177
  char *module_name = NULL, *module_version = NULL;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2178
  ModuleEntry* module = holder->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2179
  if (module->is_named()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2180
    module_name = module->name()->as_C_string();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2181
    buf_len += (int)strlen(module_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2182
    if (module->version() != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2183
      module_version = module->version()->as_C_string();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2184
      buf_len += (int)strlen(module_version);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2185
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2186
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2187
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2188
  // Allocate temporary buffer with extra space for formatting and line number
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2189
  char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2190
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2191
  // Print stack trace line in buffer
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2192
  sprintf(buf, "\tat %s.%s(", klass_name, method_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2193
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2194
  // Print module information
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2195
  if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2196
    if (module_version != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2197
      sprintf(buf + (int)strlen(buf), "%s@%s/", module_name, module_version);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2198
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2199
      sprintf(buf + (int)strlen(buf), "%s/", module_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2200
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2201
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2202
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2203
  // The method can be NULL if the requested class version is gone
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2204
  Method* method = holder->method_with_orig_idnum(method_id, version);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2205
  if (!version_matches(method, version)) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2206
    strcat(buf, "Redefined)");
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2207
  } else {
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2208
    int line_number = Backtrace::get_line_number(method, bci);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2209
    if (line_number == -2) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2210
      strcat(buf, "Native Method)");
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2211
    } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2212
      if (source_file_name != NULL && (line_number != -1)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2213
        // Sourcename and linenumber
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2214
        sprintf(buf + (int)strlen(buf), "%s:%d)", source_file_name, line_number);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2215
      } else if (source_file_name != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2216
        // Just sourcename
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2217
        sprintf(buf + (int)strlen(buf), "%s)", source_file_name);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2218
      } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2219
        // Neither sourcename nor linenumber
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2220
        sprintf(buf + (int)strlen(buf), "Unknown Source)");
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2221
      }
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37438
diff changeset
  2222
      CompiledMethod* nm = method->code();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2223
      if (WizardMode && nm != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2224
        sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2225
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2226
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2227
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2228
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2229
  st->print_cr("%s", buf);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2230
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2231
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33198
diff changeset
  2232
void java_lang_Throwable::print_stack_element(outputStream *st, const methodHandle& method, int bci) {
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2233
  Handle mirror (Thread::current(),  method->method_holder()->java_mirror());
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  2234
  int method_id = method->orig_method_idnum();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2235
  int version = method->constants()->version();
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2236
  print_stack_element_to_stream(st, mirror, method_id, version, bci, method->name());
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2237
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2238
35143
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2239
/**
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2240
 * Print the throwable message and its stack trace plus all causes by walking the
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2241
 * cause chain.  The output looks the same as of Throwable.printStackTrace().
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2242
 */
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2243
void java_lang_Throwable::print_stack_trace(Handle throwable, outputStream* st) {
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2244
  // First, print the message.
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2245
  print(throwable(), st);
35143
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2246
  st->cr();
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2247
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2248
  // Now print the stack trace.
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2249
  Thread* THREAD = Thread::current();
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2250
  while (throwable.not_null()) {
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2251
    objArrayHandle result (THREAD, objArrayOop(backtrace(throwable())));
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2252
    if (result.is_null()) {
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2253
      st->print_raw_cr("\t<<no stack trace available>>");
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2254
      return;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2255
    }
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2256
    BacktraceIterator iter(result, THREAD);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2257
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2258
    while (iter.repeat()) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2259
      BacktraceElement bte = iter.next(THREAD);
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2260
      print_stack_element_to_stream(st, bte._mirror, bte._method_id, bte._version, bte._bci, bte._name);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2261
    }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2262
    {
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2263
      // Call getCause() which doesn't necessarily return the _cause field.
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2264
      EXCEPTION_MARK;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2265
      JavaValue cause(T_OBJECT);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2266
      JavaCalls::call_virtual(&cause,
35143
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2267
                              throwable,
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2268
                              throwable->klass(),
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2269
                              vmSymbols::getCause_name(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2270
                              vmSymbols::void_throwable_signature(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2271
                              THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2272
      // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2273
      if (HAS_PENDING_EXCEPTION) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2274
        CLEAR_PENDING_EXCEPTION;
35143
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2275
        throwable = Handle();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2276
      } else {
35143
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2277
        throwable = Handle(THREAD, (oop) cause.get_jobject());
33daaea9d5c2 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread
twisti
parents: 34317
diff changeset
  2278
        if (throwable.not_null()) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2279
          st->print("Caused by: ");
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2280
          print(throwable(), st);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2281
          st->cr();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2282
        }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2283
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2284
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2285
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2286
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2287
35557
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2288
/**
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2289
 * Print the throwable stack trace by calling the Java method java.lang.Throwable.printStackTrace().
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2290
 */
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2291
void java_lang_Throwable::java_printStackTrace(Handle throwable, TRAPS) {
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2292
  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "Throwable instance expected");
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2293
  JavaValue result(T_VOID);
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2294
  JavaCalls::call_virtual(&result,
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2295
                          throwable,
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2296
                          SystemDictionary::Throwable_klass(),
35557
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2297
                          vmSymbols::printStackTrace_name(),
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2298
                          vmSymbols::void_method_signature(),
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2299
                          THREAD);
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2300
}
029dcb9bfa8b 8146246: JVMCICompiler::abort_on_pending_exception: assert(!thread->owns_locks()) failed: must release all locks when leaving VM
twisti
parents: 35143
diff changeset
  2301
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33198
diff changeset
  2302
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, const methodHandle& method, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2303
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2304
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2305
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2306
  // Start out by clearing the backtrace for this object, in case the VM
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2307
  // runs out of memory while allocating the stack trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2308
  set_backtrace(throwable(), NULL);
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  2309
  // Clear lazily constructed Java level stacktrace if refilling occurs
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  2310
  // This is unnecessary in 1.7+ but harmless
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  2311
  clear_stacktrace(throwable());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2312
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2313
  int max_depth = MaxJavaStackTraceDepth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2314
  JavaThread* thread = (JavaThread*)THREAD;
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2315
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2316
  BacktraceBuilder bt(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2317
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2318
  // If there is no Java frame just return the method that was being called
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2319
  // with bci 0
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2320
  if (!thread->has_last_Java_frame()) {
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2321
    if (max_depth >= 1 && method() != NULL) {
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2322
      bt.push(method(), 0, CHECK);
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2323
      log_info(stacktrace)("%s, %d", throwable->klass()->external_name(), 1);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2324
      set_depth(throwable(), 1);
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2325
      set_backtrace(throwable(), bt.backtrace());
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2326
    }
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2327
    return;
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2328
  }
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2329
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2330
  // Instead of using vframe directly, this version of fill_in_stack_trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2331
  // basically handles everything by hand. This significantly improved the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2332
  // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2333
  // See bug 6333838 for  more details.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2334
  // The "ASSERT" here is to verify this method generates the exactly same stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2335
  // trace as utilizing vframe.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2336
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
  vframeStream st(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
  methodHandle st_method(THREAD, st.method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
  int total_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
  RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2342
  int decode_offset = 0;
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37438
diff changeset
  2343
  CompiledMethod* nm = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2344
  bool skip_fillInStackTrace_check = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2345
  bool skip_throwableInit_check = false;
13392
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  2346
  bool skip_hidden = !ShowHiddenFrames;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2347
48823
99c973b56994 7179701: MaxJavaStackTraceDepth of zero is not handled correctly/consistently in the VM
coleenp
parents: 48814
diff changeset
  2348
  for (frame fr = thread->last_frame(); max_depth == 0 || max_depth != total_count;) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2349
    Method* method = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2350
    int bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2351
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2352
    // Compiled java method case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2353
    if (decode_offset != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2354
      DebugInfoReadStream stream(nm, decode_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2355
      decode_offset = stream.read_int();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2356
      method = (Method*)nm->metadata_at(stream.read_int());
3686
69c1b5228547 6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents: 3600
diff changeset
  2357
      bci = stream.read_bci();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2358
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2359
      if (fr.is_first_frame()) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2360
      address pc = fr.pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2361
      if (fr.is_interpreted_frame()) {
25714
87fa6860b5ae 8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents: 25624
diff changeset
  2362
        address bcp = fr.interpreter_frame_bcp();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2363
        method = fr.interpreter_frame_method();
25714
87fa6860b5ae 8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents: 25624
diff changeset
  2364
        bci =  method->bci_from(bcp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2365
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2366
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2367
        CodeBlob* cb = fr.cb();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2368
        // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2369
        // but non nmethod
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2370
        fr = fr.sender(&map);
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37438
diff changeset
  2371
        if (cb == NULL || !cb->is_compiled()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2372
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
        }
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37438
diff changeset
  2374
        nm = cb->as_compiled_method();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
        if (nm->method()->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
          method = nm->method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2377
          bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2378
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2379
          PcDesc* pd = nm->pc_desc_at(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
          decode_offset = pd->scope_decode_offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
          // if decode_offset is not equal to 0, it will execute the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2382
          // "compiled java method case" at the beginning of the loop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2386
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2387
#ifdef ASSERT
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2388
    assert(st_method() == method && st.bci() == bci,
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2389
           "Wrong stack trace");
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2390
    st.next();
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2391
    // vframeStream::method isn't GC-safe so store off a copy
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2392
    // of the Method* in case we GC.
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2393
    if (!st.at_end()) {
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2394
      st_method = st.method();
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2395
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2396
#endif
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2397
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2398
    // the format of the stacktrace will be:
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2399
    // - 1 or more fillInStackTrace frames for the exception class (skipped)
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2400
    // - 0 or more <init> methods for the exception class (skipped)
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2401
    // - rest of the stack
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2402
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2403
    if (!skip_fillInStackTrace_check) {
31587
e48945b7849c 8076112: Add @HotSpotIntrinsicCandidate annotation to indicate methods for which Java Runtime has intrinsics
zmajo
parents: 31046
diff changeset
  2404
      if (method->name() == vmSymbols::fillInStackTrace_name() &&
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2405
          throwable->is_a(method->method_holder())) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2406
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2407
      }
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2408
      else {
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2409
        skip_fillInStackTrace_check = true; // gone past them all
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2410
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2411
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2412
    if (!skip_throwableInit_check) {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2413
      assert(skip_fillInStackTrace_check, "logic error in backtrace filtering");
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2414
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2415
      // skip <init> methods of the exception class and superclasses
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2416
      // This is simlar to classic VM.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2417
      if (method->name() == vmSymbols::object_initializer_name() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2418
          throwable->is_a(method->method_holder())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2419
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2420
      } else {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  2421
        // there are none or we've seen them all - either way stop checking
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2422
        skip_throwableInit_check = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2423
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2424
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2425
    if (method->is_hidden()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2426
      if (skip_hidden)  continue;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2427
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2428
    bt.push(method, bci, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2429
    total_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2430
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2431
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2432
  log_info(stacktrace)("%s, %d", throwable->klass()->external_name(), total_count);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2433
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2434
  // Put completed stack trace into throwable object
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2435
  set_backtrace(throwable(), bt.backtrace());
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2436
  set_depth(throwable(), total_count);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33198
diff changeset
  2439
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, const methodHandle& method) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
  if (!StackTraceInThrowable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2442
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2443
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2444
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2445
  // Disable stack traces for some preallocated out of memory errors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2446
  if (!Universe::should_fill_in_stack_trace(throwable)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2447
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2448
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2449
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2450
  PRESERVE_EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2451
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2452
  JavaThread* thread = JavaThread::active();
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  2453
  fill_in_stack_trace(throwable, method, thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2454
  // ignore exceptions thrown during stack trace filling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2455
  CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2456
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2457
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2458
void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2459
  // Allocate stack trace - backtrace is created but not filled in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2460
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2461
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2462
  if (!StackTraceInThrowable) return;
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2463
  BacktraceBuilder bt(CHECK);   // creates a backtrace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2464
  set_backtrace(throwable(), bt.backtrace());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2465
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2466
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2467
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2468
void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2469
  // Fill in stack trace into preallocated backtrace (no GC)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2470
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2471
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2472
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2473
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2474
  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2475
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2476
  JavaThread* THREAD = JavaThread::current();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2477
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2478
  objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2479
  assert(backtrace.not_null(), "backtrace should have been preallocated");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2480
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2481
  ResourceMark rm(THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2482
  vframeStream st(THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2483
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2484
  BacktraceBuilder bt(THREAD, backtrace);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2485
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2486
  // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2487
  // methods as preallocated errors aren't created by "java" code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2488
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2489
  // fill in as much stack trace as possible
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2490
  int chunk_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2491
  for (;!st.at_end(); st.next()) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2492
    bt.push(st.method(), st.bci(), CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2493
    chunk_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2494
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2495
    // Bail-out for deep stacks
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2496
    if (chunk_count >= trace_chunk_size) break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2497
  }
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2498
  set_depth(throwable(), chunk_count);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2499
  log_info(stacktrace)("%s, %d", throwable->klass()->external_name(), chunk_count);
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  2500
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  2501
  // We support the Throwable immutability protocol defined for Java 7.
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  2502
  java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace());
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  2503
  assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2504
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2505
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2506
void java_lang_Throwable::get_stack_trace_elements(Handle throwable,
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2507
                                                   objArrayHandle stack_trace_array_h, TRAPS) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2508
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2509
  if (throwable.is_null() || stack_trace_array_h.is_null()) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2510
    THROW(vmSymbols::java_lang_NullPointerException());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2511
  }
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2512
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2513
  assert(stack_trace_array_h->is_objArray(), "Stack trace array should be an array of StackTraceElenent");
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2514
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2515
  if (stack_trace_array_h->length() != depth(throwable())) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2516
    THROW(vmSymbols::java_lang_IndexOutOfBoundsException());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2517
  }
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2518
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2519
  objArrayHandle result(THREAD, objArrayOop(backtrace(throwable())));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2520
  BacktraceIterator iter(result, THREAD);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2521
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2522
  int index = 0;
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2523
  while (iter.repeat()) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2524
    BacktraceElement bte = iter.next(THREAD);
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2525
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2526
    Handle stack_trace_element(THREAD, stack_trace_array_h->obj_at(index++));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2527
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2528
    if (stack_trace_element.is_null()) {
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2529
      THROW(vmSymbols::java_lang_NullPointerException());
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2530
    }
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2531
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2532
    InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(bte._mirror()));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2533
    methodHandle method (THREAD, holder->method_with_orig_idnum(bte._method_id, bte._version));
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2534
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2535
    java_lang_StackTraceElement::fill_in(stack_trace_element, holder,
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2536
                                         method,
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2537
                                         bte._version,
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2538
                                         bte._bci,
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2539
                                         bte._name, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2540
  }
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2541
}
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2542
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2543
oop java_lang_StackTraceElement::create(const methodHandle& method, int bci, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2544
  // Allocate java.lang.StackTraceElement instance
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2545
  InstanceKlass* k = SystemDictionary::StackTraceElement_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2546
  assert(k != NULL, "must be loaded in 1.4+");
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2547
  if (k->should_be_initialized()) {
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2548
    k->initialize(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2549
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2550
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2551
  Handle element = k->allocate_instance_handle(CHECK_0);
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2552
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2553
  int version = method->constants()->version();
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2554
  fill_in(element, method->method_holder(), method, version, bci, method->name(), CHECK_0);
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2555
  return element();
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2556
}
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2557
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2558
void java_lang_StackTraceElement::fill_in(Handle element,
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2559
                                          InstanceKlass* holder, const methodHandle& method,
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2560
                                          int version, int bci, Symbol* name, TRAPS) {
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2561
  assert(element->is_a(SystemDictionary::StackTraceElement_klass()), "sanity check");
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2562
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
  // Fill in class name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2564
  ResourceMark rm(THREAD);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2565
  const char* str = holder->external_name();
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2566
  oop classname = StringTable::intern((char*) str, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2567
  java_lang_StackTraceElement::set_declaringClass(element(), classname);
41877
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2568
  java_lang_StackTraceElement::set_declaringClassObject(element(), holder->java_mirror());
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2569
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2570
  oop loader = holder->class_loader();
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2571
  if (loader != NULL) {
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2572
    oop loader_name = java_lang_ClassLoader::name(loader);
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2573
    if (loader_name != NULL)
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2574
      java_lang_StackTraceElement::set_classLoaderName(element(), loader_name);
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  2575
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2576
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2577
  // Fill in method name
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2578
  oop methodname = StringTable::intern(name, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2579
  java_lang_StackTraceElement::set_methodName(element(), methodname);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2580
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2581
  // Fill in module name and version
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2582
  ModuleEntry* module = holder->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2583
  if (module->is_named()) {
37179
jwilhelm
parents: 36508 37172
diff changeset
  2584
    oop module_name = StringTable::intern(module->name(), CHECK);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2585
    java_lang_StackTraceElement::set_moduleName(element(), module_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2586
    oop module_version;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2587
    if (module->version() != NULL) {
37179
jwilhelm
parents: 36508 37172
diff changeset
  2588
      module_version = StringTable::intern(module->version(), CHECK);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2589
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2590
      module_version = NULL;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2591
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2592
    java_lang_StackTraceElement::set_moduleVersion(element(), module_version);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2593
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  2594
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2595
  if (method() == NULL || !version_matches(method(), version)) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2596
    // The method was redefined, accurate line number information isn't available
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2597
    java_lang_StackTraceElement::set_fileName(element(), NULL);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2598
    java_lang_StackTraceElement::set_lineNumber(element(), -1);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2599
  } else {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2600
    // Fill in source file name and line number.
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2601
    Symbol* source = Backtrace::get_source_file_name(holder, version);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2602
    if (ShowHiddenFrames && source == NULL)
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2603
      source = vmSymbols::unknown_class_name();
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  2604
    oop filename = StringTable::intern(source, CHECK);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2605
    java_lang_StackTraceElement::set_fileName(element(), filename);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2606
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2607
    int line_number = Backtrace::get_line_number(method, bci);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2608
    java_lang_StackTraceElement::set_lineNumber(element(), line_number);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2609
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  2610
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2611
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2612
Method* java_lang_StackFrameInfo::get_method(Handle stackFrame, InstanceKlass* holder, TRAPS) {
37438
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2613
  Handle mname(THREAD, stackFrame->obj_field(_memberName_offset));
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2614
  Method* method = (Method*)java_lang_invoke_MemberName::vmtarget(mname());
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2615
  // we should expand MemberName::name when Throwable uses StackTrace
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2616
  // MethodHandles::expand_MemberName(mname, MethodHandles::_suppress_defc|MethodHandles::_suppress_type, CHECK_NULL);
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2617
  return method;
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2618
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2619
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  2620
void java_lang_StackFrameInfo::set_method_and_bci(Handle stackFrame, const methodHandle& method, int bci, TRAPS) {
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2621
  // set Method* or mid/cpref
46271
979ebd346ecf 8169881: Remove implicit Handle conversions oop->Handle
coleenp
parents: 46257
diff changeset
  2622
  Handle mname(Thread::current(), stackFrame->obj_field(_memberName_offset));
37438
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2623
  InstanceKlass* ik = method->method_holder();
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  2624
  CallInfo info(method(), ik, CHECK);
37438
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2625
  MethodHandles::init_method_MemberName(mname, info);
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2626
  // set bci
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2627
  java_lang_StackFrameInfo::set_bci(stackFrame(), bci);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2628
  // method may be redefined; store the version
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2629
  int version = method->constants()->version();
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2630
  assert((jushort)version == version, "version should be short");
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2631
  java_lang_StackFrameInfo::set_version(stackFrame(), (short)version);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2632
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2633
37438
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2634
void java_lang_StackFrameInfo::to_stack_trace_element(Handle stackFrame, Handle stack_trace_element, TRAPS) {
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2635
  ResourceMark rm(THREAD);
47818
2f6ab27efb60 8185925: StackFrameInfo::walker field can be replaced with bitmap to save footprint
bchristi
parents: 47580
diff changeset
  2636
  Handle mname(THREAD, stackFrame->obj_field(java_lang_StackFrameInfo::_memberName_offset));
2f6ab27efb60 8185925: StackFrameInfo::walker field can be replaced with bitmap to save footprint
bchristi
parents: 47580
diff changeset
  2637
  Klass* clazz = java_lang_Class::as_Klass(java_lang_invoke_MemberName::clazz(mname()));
2f6ab27efb60 8185925: StackFrameInfo::walker field can be replaced with bitmap to save footprint
bchristi
parents: 47580
diff changeset
  2638
  InstanceKlass* holder = InstanceKlass::cast(clazz);
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2639
  Method* method = java_lang_StackFrameInfo::get_method(stackFrame, holder, CHECK);
37438
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2640
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2641
  short version = stackFrame->short_field(_version_offset);
37438
873c4aea8d1b 8153123: Streamline StackWalker code
bchristi
parents: 37179
diff changeset
  2642
  short bci = stackFrame->short_field(_bci_offset);
46257
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2643
  Symbol* name = method->name();
3e95288ce4ca 8140685: Fix backtrace building to not rely on constant pool merging
coleenp
parents: 42656
diff changeset
  2644
  java_lang_StackTraceElement::fill_in(stack_trace_element, holder, method, version, bci, name, CHECK);
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2645
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2646
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2647
#define STACKFRAMEINFO_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2648
  macro(_memberName_offset,     k, "memberName",  object_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2649
  macro(_bci_offset,            k, "bci",         short_signature,  false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2650
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2651
void java_lang_StackFrameInfo::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  2652
  InstanceKlass* k = SystemDictionary::StackFrameInfo_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2653
  STACKFRAMEINFO_FIELDS_DO(FIELD_COMPUTE_OFFSET);
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2654
  STACKFRAMEINFO_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2655
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2656
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2657
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  2658
void java_lang_StackFrameInfo::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2659
  STACKFRAMEINFO_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2660
  STACKFRAMEINFO_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2661
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2662
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2663
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2664
#define LIVESTACKFRAMEINFO_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2665
  macro(_monitors_offset,   k, "monitors",    object_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2666
  macro(_locals_offset,     k, "locals",      object_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2667
  macro(_operands_offset,   k, "operands",    object_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2668
  macro(_mode_offset,       k, "mode",        int_signature,          false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2669
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2670
void java_lang_LiveStackFrameInfo::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  2671
  InstanceKlass* k = SystemDictionary::LiveStackFrameInfo_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2672
  LIVESTACKFRAMEINFO_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2673
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2674
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2675
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  2676
void java_lang_LiveStackFrameInfo::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2677
  LIVESTACKFRAMEINFO_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2678
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2679
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2680
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2681
#define ACCESSIBLEOBJECT_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2682
  macro(override_offset, k, "override", bool_signature, false)
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  2683
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2684
void java_lang_reflect_AccessibleObject::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  2685
  InstanceKlass* k = SystemDictionary::reflect_AccessibleObject_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2686
  ACCESSIBLEOBJECT_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2687
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2688
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2689
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  2690
void java_lang_reflect_AccessibleObject::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2691
  ACCESSIBLEOBJECT_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2692
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2693
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2694
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2695
jboolean java_lang_reflect_AccessibleObject::override(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2696
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2697
  return (jboolean) reflect->bool_field(override_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2698
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2699
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2700
void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2701
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2702
  reflect->bool_field_put(override_offset, (int) value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2703
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2704
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2705
#define METHOD_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2706
  macro(clazz_offset,          k, vmSymbols::clazz_name(),          class_signature,       false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2707
  macro(name_offset,           k, vmSymbols::name_name(),           string_signature,      false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2708
  macro(returnType_offset,     k, vmSymbols::returnType_name(),     class_signature,       false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2709
  macro(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), class_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2710
  macro(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), class_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2711
  macro(slot_offset,           k, vmSymbols::slot_name(),           int_signature,         false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2712
  macro(modifiers_offset,      k, vmSymbols::modifiers_name(),      int_signature,         false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2713
  macro##_OPTIONAL(signature_offset,             k, vmSymbols::signature_name(),             string_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2714
  macro##_OPTIONAL(annotations_offset,           k, vmSymbols::annotations_name(),           byte_array_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2715
  macro##_OPTIONAL(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), byte_array_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2716
  macro##_OPTIONAL(annotation_default_offset,    k, vmSymbols::annotation_default_name(),    byte_array_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2717
  macro##_OPTIONAL(type_annotations_offset,      k, vmSymbols::type_annotations_name(),      byte_array_signature)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2718
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2719
void java_lang_reflect_Method::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  2720
  InstanceKlass* k = SystemDictionary::reflect_Method_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2721
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2722
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2723
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2724
  parameter_annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2725
  annotation_default_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2726
  type_annotations_offset = -1;
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2727
  METHOD_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2728
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2729
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2730
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  2731
void java_lang_reflect_Method::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2732
  METHOD_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2733
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2734
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2735
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2736
Handle java_lang_reflect_Method::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2737
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2738
  Klass* klass = SystemDictionary::reflect_Method_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2739
  // This class is eagerly initialized during VM initialization, since we keep a refence
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2740
  // to one of the methods
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2741
  assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized");
27680
8ecc0871c18e 8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents: 26927
diff changeset
  2742
  return InstanceKlass::cast(klass)->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2743
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2744
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2745
oop java_lang_reflect_Method::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2746
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2747
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2748
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2749
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2750
void java_lang_reflect_Method::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2751
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2752
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2753
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2754
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2755
int java_lang_reflect_Method::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2756
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2757
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2758
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2759
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2760
void java_lang_reflect_Method::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2761
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2762
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2763
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2764
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2765
oop java_lang_reflect_Method::name(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2766
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2767
  return method->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2768
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2769
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2770
void java_lang_reflect_Method::set_name(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2771
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2772
  method->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2773
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2774
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2775
oop java_lang_reflect_Method::return_type(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2776
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2777
  return method->obj_field(returnType_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2778
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2779
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2780
void java_lang_reflect_Method::set_return_type(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2781
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2782
  method->obj_field_put(returnType_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2783
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2784
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2785
oop java_lang_reflect_Method::parameter_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2786
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2787
  return method->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2788
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2789
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2790
void java_lang_reflect_Method::set_parameter_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2791
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2792
  method->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2793
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2794
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2795
oop java_lang_reflect_Method::exception_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2796
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2797
  return method->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2798
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2799
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2800
void java_lang_reflect_Method::set_exception_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2801
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2802
  method->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2803
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2804
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2805
int java_lang_reflect_Method::modifiers(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2806
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2807
  return method->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2808
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2809
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2810
void java_lang_reflect_Method::set_modifiers(oop method, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2811
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2812
  method->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2813
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2814
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2815
bool java_lang_reflect_Method::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2816
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2817
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2818
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2819
oop java_lang_reflect_Method::signature(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2820
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2821
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2822
  return method->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2823
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2824
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2825
void java_lang_reflect_Method::set_signature(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2826
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2827
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2828
  method->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2829
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2830
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2831
bool java_lang_reflect_Method::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2832
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2833
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2834
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2835
oop java_lang_reflect_Method::annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2836
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2837
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2838
  return method->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2839
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2840
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2841
void java_lang_reflect_Method::set_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2842
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2843
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2844
  method->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2845
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2846
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2847
bool java_lang_reflect_Method::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2848
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2849
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2850
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2851
oop java_lang_reflect_Method::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2852
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2853
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2854
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2855
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2856
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2857
void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2858
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2859
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2860
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2861
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2862
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2863
bool java_lang_reflect_Method::has_annotation_default_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2864
  return (annotation_default_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2865
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2866
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2867
oop java_lang_reflect_Method::annotation_default(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2868
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2869
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2870
  return method->obj_field(annotation_default_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2871
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2872
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2873
void java_lang_reflect_Method::set_annotation_default(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2874
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2875
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2876
  method->obj_field_put(annotation_default_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2877
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2878
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2879
bool java_lang_reflect_Method::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2880
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2881
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2882
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2883
oop java_lang_reflect_Method::type_annotations(oop method) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2884
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2885
  assert(has_type_annotations_field(), "type_annotations field must be present");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2886
  return method->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2887
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2888
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2889
void java_lang_reflect_Method::set_type_annotations(oop method, oop value) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2890
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2891
  assert(has_type_annotations_field(), "type_annotations field must be present");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2892
  method->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2893
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2894
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2895
#define CONSTRUCTOR_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2896
  macro(clazz_offset,          k, vmSymbols::clazz_name(),          class_signature,       false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2897
  macro(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), class_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2898
  macro(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), class_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2899
  macro(slot_offset,           k, vmSymbols::slot_name(),           int_signature,         false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2900
  macro(modifiers_offset,      k, vmSymbols::modifiers_name(),      int_signature,         false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2901
  macro##_OPTIONAL(signature_offset,             k, vmSymbols::signature_name(),             string_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2902
  macro##_OPTIONAL(annotations_offset,           k, vmSymbols::annotations_name(),           byte_array_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2903
  macro##_OPTIONAL(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), byte_array_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2904
  macro##_OPTIONAL(type_annotations_offset,      k, vmSymbols::type_annotations_name(),      byte_array_signature)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2905
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2906
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2907
void java_lang_reflect_Constructor::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  2908
  InstanceKlass* k = SystemDictionary::reflect_Constructor_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2909
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2910
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2911
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2912
  parameter_annotations_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2913
  type_annotations_offset = -1;
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2914
  CONSTRUCTOR_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2915
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2916
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2917
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  2918
void java_lang_reflect_Constructor::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2919
  CONSTRUCTOR_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2920
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  2921
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2922
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2923
Handle java_lang_reflect_Constructor::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2924
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2925
  Symbol* name = vmSymbols::java_lang_reflect_Constructor();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2926
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2927
  InstanceKlass* ik = InstanceKlass::cast(k);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2928
  // Ensure it is initialized
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2929
  ik->initialize(CHECK_NH);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  2930
  return ik->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2931
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2932
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2933
oop java_lang_reflect_Constructor::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2934
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2935
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2936
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2937
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2938
void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2939
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2940
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2941
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2942
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2943
oop java_lang_reflect_Constructor::parameter_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2944
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2945
  return constructor->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2946
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2947
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2948
void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2949
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2950
  constructor->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2951
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2952
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2953
oop java_lang_reflect_Constructor::exception_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2954
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2955
  return constructor->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2956
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2957
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2958
void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2959
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2960
  constructor->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2961
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2962
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2963
int java_lang_reflect_Constructor::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2964
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2965
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2966
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2967
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2968
void java_lang_reflect_Constructor::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2969
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2970
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2971
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2972
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2973
int java_lang_reflect_Constructor::modifiers(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2974
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2975
  return constructor->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2976
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2977
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2978
void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2979
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2980
  constructor->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2981
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2982
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2983
bool java_lang_reflect_Constructor::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2984
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2985
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2986
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2987
oop java_lang_reflect_Constructor::signature(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2988
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2989
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2990
  return constructor->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2991
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2992
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2993
void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2994
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2995
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2996
  constructor->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2997
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2998
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2999
bool java_lang_reflect_Constructor::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3000
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3001
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3002
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3003
oop java_lang_reflect_Constructor::annotations(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3004
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3005
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3006
  return constructor->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3007
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3008
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3009
void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3010
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3012
  constructor->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3013
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3014
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3015
bool java_lang_reflect_Constructor::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3016
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3017
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3018
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3019
oop java_lang_reflect_Constructor::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3020
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3021
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3022
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3023
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3024
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3025
void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3026
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3027
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3029
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3030
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3031
bool java_lang_reflect_Constructor::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3032
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3033
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3034
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3035
oop java_lang_reflect_Constructor::type_annotations(oop constructor) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3036
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3037
  assert(has_type_annotations_field(), "type_annotations field must be present");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3038
  return constructor->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3039
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3040
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3041
void java_lang_reflect_Constructor::set_type_annotations(oop constructor, oop value) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3042
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3043
  assert(has_type_annotations_field(), "type_annotations field must be present");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3044
  constructor->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3045
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3046
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3047
#define FIELD_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3048
  macro(clazz_offset,     k, vmSymbols::clazz_name(),     class_signature,  false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3049
  macro(name_offset,      k, vmSymbols::name_name(),      string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3050
  macro(type_offset,      k, vmSymbols::type_name(),      class_signature,  false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3051
  macro(slot_offset,      k, vmSymbols::slot_name(),      int_signature,    false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3052
  macro(modifiers_offset, k, vmSymbols::modifiers_name(), int_signature,    false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3053
  macro##_OPTIONAL(signature_offset,        k, vmSymbols::signature_name(), string_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3054
  macro##_OPTIONAL(annotations_offset,      k, vmSymbols::annotations_name(),  byte_array_signature); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3055
  macro##_OPTIONAL(type_annotations_offset, k, vmSymbols::type_annotations_name(),  byte_array_signature)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3056
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3057
void java_lang_reflect_Field::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3058
  InstanceKlass* k = SystemDictionary::reflect_Field_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3059
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3060
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3061
  annotations_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3062
  type_annotations_offset = -1;
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3063
  FIELD_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3064
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3065
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3066
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3067
void java_lang_reflect_Field::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3068
  FIELD_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3069
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3070
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3071
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3072
Handle java_lang_reflect_Field::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3073
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3074
  Symbol* name = vmSymbols::java_lang_reflect_Field();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3075
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3076
  InstanceKlass* ik = InstanceKlass::cast(k);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3077
  // Ensure it is initialized
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3078
  ik->initialize(CHECK_NH);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3079
  return ik->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3080
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3081
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3082
oop java_lang_reflect_Field::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3083
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3084
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3085
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3086
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3087
void java_lang_reflect_Field::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3088
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3089
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3090
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3091
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3092
oop java_lang_reflect_Field::name(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3093
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3094
  return field->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3095
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3096
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3097
void java_lang_reflect_Field::set_name(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3098
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3099
  field->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3100
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3101
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3102
oop java_lang_reflect_Field::type(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3103
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3104
  return field->obj_field(type_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3105
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3106
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3107
void java_lang_reflect_Field::set_type(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3108
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3109
  field->obj_field_put(type_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3110
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3111
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3112
int java_lang_reflect_Field::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3113
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3114
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3115
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3116
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3117
void java_lang_reflect_Field::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3118
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3119
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3120
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3121
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3122
int java_lang_reflect_Field::modifiers(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3123
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3124
  return field->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3125
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3126
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3127
void java_lang_reflect_Field::set_modifiers(oop field, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3128
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3129
  field->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3130
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3131
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3132
bool java_lang_reflect_Field::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3133
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3134
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3135
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3136
oop java_lang_reflect_Field::signature(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3137
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3138
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3139
  return field->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3140
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3141
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3142
void java_lang_reflect_Field::set_signature(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3143
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3144
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3145
  field->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3146
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3147
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3148
bool java_lang_reflect_Field::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3149
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3150
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3151
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3152
oop java_lang_reflect_Field::annotations(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3153
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3154
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3155
  return field->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3156
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3157
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3158
void java_lang_reflect_Field::set_annotations(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3159
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3160
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3161
  field->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3162
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3163
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3164
bool java_lang_reflect_Field::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3165
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3166
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3167
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3168
oop java_lang_reflect_Field::type_annotations(oop field) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3169
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3170
  assert(has_type_annotations_field(), "type_annotations field must be present");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3171
  return field->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3172
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3173
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3174
void java_lang_reflect_Field::set_type_annotations(oop field, oop value) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3175
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3176
  assert(has_type_annotations_field(), "type_annotations field must be present");
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3177
  field->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3178
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3179
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3180
#define CONSTANTPOOL_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3181
  macro(_oop_offset, k, "constantPoolOop", object_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3182
37301
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  3183
void reflect_ConstantPool::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3184
  InstanceKlass* k = SystemDictionary::reflect_ConstantPool_klass();
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3185
  // The field is called ConstantPool* in the sun.reflect.ConstantPool class.
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3186
  CONSTANTPOOL_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3187
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3188
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3189
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3190
void reflect_ConstantPool::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3191
  CONSTANTPOOL_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3192
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3193
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3194
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3195
#define PARAMETER_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3196
  macro(name_offset,        k, vmSymbols::name_name(),        string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3197
  macro(modifiers_offset,   k, vmSymbols::modifiers_name(),   int_signature,    false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3198
  macro(index_offset,       k, vmSymbols::index_name(),       int_signature,    false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3199
  macro(executable_offset,  k, vmSymbols::executable_name(),  executable_signature, false)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3200
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3201
void java_lang_reflect_Parameter::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3202
  InstanceKlass* k = SystemDictionary::reflect_Parameter_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3203
  PARAMETER_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3204
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3205
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3206
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3207
void java_lang_reflect_Parameter::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3208
  PARAMETER_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3209
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3210
#endif
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3211
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3212
Handle java_lang_reflect_Parameter::create(TRAPS) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3213
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3214
  Symbol* name = vmSymbols::java_lang_reflect_Parameter();
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3215
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3216
  InstanceKlass* ik = InstanceKlass::cast(k);
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3217
  // Ensure it is initialized
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3218
  ik->initialize(CHECK_NH);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3219
  return ik->allocate_instance_handle(THREAD);
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3220
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3221
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3222
oop java_lang_reflect_Parameter::name(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3223
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3224
  return param->obj_field(name_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3225
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3226
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3227
void java_lang_reflect_Parameter::set_name(oop param, oop value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3228
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3229
  param->obj_field_put(name_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3230
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3231
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3232
int java_lang_reflect_Parameter::modifiers(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3233
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3234
  return param->int_field(modifiers_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3235
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3236
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3237
void java_lang_reflect_Parameter::set_modifiers(oop param, int value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3238
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3239
  param->int_field_put(modifiers_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3240
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3241
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3242
int java_lang_reflect_Parameter::index(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3243
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3244
  return param->int_field(index_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3245
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3246
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3247
void java_lang_reflect_Parameter::set_index(oop param, int value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3248
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3249
  param->int_field_put(index_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3250
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3251
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3252
oop java_lang_reflect_Parameter::executable(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3253
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3254
  return param->obj_field(executable_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3255
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3256
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3257
void java_lang_reflect_Parameter::set_executable(oop param, oop value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3258
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3259
  param->obj_field_put(executable_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3260
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3261
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3262
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3263
int java_lang_Module::loader_offset;
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3264
int java_lang_Module::name_offset;
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3265
int java_lang_Module::_module_entry_offset = -1;
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3266
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3267
Handle java_lang_Module::create(Handle loader, Handle module_name, TRAPS) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3268
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
50217
843fc56f4686 8203381: Replace InstanceKlass::allocate_instance_handle with JavaCalls::construct_new_instance
iklam
parents: 50176
diff changeset
  3269
  return JavaCalls::construct_new_instance(SystemDictionary::Module_klass(),
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3270
                          vmSymbols::java_lang_module_init_signature(),
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3271
                          loader, module_name, CHECK_NH);
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3272
}
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3273
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3274
#define MODULE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3275
  macro(loader_offset,  k, vmSymbols::loader_name(),  classloader_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3276
  macro(name_offset,    k, vmSymbols::name_name(),    string_signature,      false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3277
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3278
void java_lang_Module::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3279
  InstanceKlass* k = SystemDictionary::Module_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3280
  MODULE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3281
  MODULE_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3282
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3283
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3284
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3285
void java_lang_Module::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3286
  MODULE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3287
  MODULE_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3288
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3289
#endif
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3290
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3291
oop java_lang_Module::loader(oop module) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3292
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3293
  return module->obj_field(loader_offset);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3294
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3295
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3296
void java_lang_Module::set_loader(oop module, oop value) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3297
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3298
  module->obj_field_put(loader_offset, value);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3299
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3300
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3301
oop java_lang_Module::name(oop module) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3302
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3303
  return module->obj_field(name_offset);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3304
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3305
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3306
void java_lang_Module::set_name(oop module, oop value) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3307
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3308
  module->obj_field_put(name_offset, value);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3309
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3310
49348
fde3feaaa4ed 8198926: Move ClassLoaderData::_dependencies to ClassLoaderData::_handles
coleenp
parents: 49340
diff changeset
  3311
ModuleEntry* java_lang_Module::module_entry(oop module) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3312
  assert(_module_entry_offset != -1, "Uninitialized module_entry_offset");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3313
  assert(module != NULL, "module can't be null");
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  3314
  assert(oopDesc::is_oop(module), "module must be oop");
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3315
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3316
  ModuleEntry* module_entry = (ModuleEntry*)module->address_field(_module_entry_offset);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3317
  if (module_entry == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3318
    // If the inject field containing the ModuleEntry* is null then return the
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3319
    // class loader's unnamed module.
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3320
    oop loader = java_lang_Module::loader(module);
49348
fde3feaaa4ed 8198926: Move ClassLoaderData::_dependencies to ClassLoaderData::_handles
coleenp
parents: 49340
diff changeset
  3321
    Handle h_loader = Handle(Thread::current(), loader);
fde3feaaa4ed 8198926: Move ClassLoaderData::_dependencies to ClassLoaderData::_handles
coleenp
parents: 49340
diff changeset
  3322
    ClassLoaderData* loader_cld = SystemDictionary::register_loader(h_loader);
46387
c46632622b17 8176472: Lazily create ModuleEntryTable
rprotacio
parents: 46329
diff changeset
  3323
    return loader_cld->unnamed_module();
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3324
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3325
  return module_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3326
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3327
44520
0553e129e0ec 8177530: Module system implementation refresh (4/2017)
alanb
parents: 43929
diff changeset
  3328
void java_lang_Module::set_module_entry(oop module, ModuleEntry* module_entry) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3329
  assert(_module_entry_offset != -1, "Uninitialized module_entry_offset");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3330
  assert(module != NULL, "module can't be null");
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  3331
  assert(oopDesc::is_oop(module), "module must be oop");
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3332
  module->address_field_put(_module_entry_offset, (address)module_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3333
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  3334
37301
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  3335
Handle reflect_ConstantPool::create(TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3336
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3337
  InstanceKlass* k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3338
  // Ensure it is initialized
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3339
  k->initialize(CHECK_NH);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3340
  return k->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3341
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3342
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3343
37301
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  3344
void reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3345
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3346
  oop mirror = value->pool_holder()->java_mirror();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3347
  // Save the mirror to get back the constant pool.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3348
  reflect->obj_field_put(_oop_offset, mirror);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3349
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3350
37301
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  3351
ConstantPool* reflect_ConstantPool::get_cp(oop reflect) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3352
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3353
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3354
  oop mirror = reflect->obj_field(_oop_offset);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3355
  Klass* k = java_lang_Class::as_Klass(mirror);
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
  3356
  assert(k->is_instance_klass(), "Must be");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3357
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3358
  // Get the constant pool back from the klass.  Since class redefinition
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3359
  // merges the new constant pool into the old, this is essentially the
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3360
  // same constant pool as the original.  If constant pool merging is
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3361
  // no longer done in the future, this will have to change to save
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3362
  // the original.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3363
  return InstanceKlass::cast(k)->constants();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3364
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3365
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3366
#define UNSAFESTATICFIELDACCESSORIMPL_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3367
  macro(_base_offset, k, "base", object_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3368
37301
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  3369
void reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3370
  InstanceKlass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3371
  UNSAFESTATICFIELDACCESSORIMPL_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3372
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3373
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3374
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3375
void reflect_UnsafeStaticFieldAccessorImpl::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3376
  UNSAFESTATICFIELDACCESSORIMPL_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3377
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3378
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3379
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3380
oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3381
  Klass* k = SystemDictionary::box_klass(type);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3382
  if (k == NULL)  return NULL;
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3383
  InstanceKlass* ik = InstanceKlass::cast(k);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3384
  if (!ik->is_initialized())  ik->initialize(CHECK_0);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  3385
  return ik->allocate_instance(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3386
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3387
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3388
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3389
oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3390
  oop box = initialize_and_allocate(type, CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3391
  if (box == NULL)  return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3392
  switch (type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3393
    case T_BOOLEAN:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3394
      box->bool_field_put(value_offset, value->z);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3395
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3396
    case T_CHAR:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3397
      box->char_field_put(value_offset, value->c);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3398
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3399
    case T_FLOAT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3400
      box->float_field_put(value_offset, value->f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3401
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3402
    case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3403
      box->double_field_put(long_value_offset, value->d);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3404
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3405
    case T_BYTE:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3406
      box->byte_field_put(value_offset, value->b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3407
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3408
    case T_SHORT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3409
      box->short_field_put(value_offset, value->s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3411
    case T_INT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3412
      box->int_field_put(value_offset, value->i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3413
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3414
    case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3415
      box->long_field_put(long_value_offset, value->j);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3416
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3417
    default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3418
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3419
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3420
  return box;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3421
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3422
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3423
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3424
BasicType java_lang_boxing_object::basic_type(oop box) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3425
  if (box == NULL)  return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3426
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3427
  if (type == T_OBJECT)         // 'unknown' value returned by SD::bkt
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3428
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3429
  return type;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3430
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3431
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3432
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3433
BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3434
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3435
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3436
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3437
    value->z = box->bool_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3438
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3439
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3440
    value->c = box->char_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3441
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3442
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3443
    value->f = box->float_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3444
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3445
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3446
    value->d = box->double_field(long_value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3447
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3448
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3449
    value->b = box->byte_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3450
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3451
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3452
    value->s = box->short_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3453
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3454
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3455
    value->i = box->int_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3456
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3457
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3458
    value->j = box->long_field(long_value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3459
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3460
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3461
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3462
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3463
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3464
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3465
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3466
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3467
BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3468
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3469
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3470
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3471
    box->bool_field_put(value_offset, value->z);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3472
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3473
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3474
    box->char_field_put(value_offset, value->c);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3475
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3476
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3477
    box->float_field_put(value_offset, value->f);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3478
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3479
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3480
    box->double_field_put(long_value_offset, value->d);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3481
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3482
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
    box->byte_field_put(value_offset, value->b);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3484
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3485
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
    box->short_field_put(value_offset, value->s);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3487
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3488
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
    box->int_field_put(value_offset, value->i);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3490
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3491
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3492
    box->long_field_put(long_value_offset, value->j);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3493
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3494
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3495
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3496
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3497
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3498
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3499
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3500
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3501
void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3502
  switch (type) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3503
  case T_BOOLEAN:   st->print("%s", value->z ? "true" : "false");   break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3504
  case T_CHAR:      st->print("%d", value->c);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3505
  case T_BYTE:      st->print("%d", value->b);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3506
  case T_SHORT:     st->print("%d", value->s);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3507
  case T_INT:       st->print("%d", value->i);                      break;
46630
75aa3e39d02c 8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8
jwilhelm
parents: 46625
diff changeset
  3508
  case T_LONG:      st->print(JLONG_FORMAT, value->j);              break;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3509
  case T_FLOAT:     st->print("%f", value->f);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3510
  case T_DOUBLE:    st->print("%lf", value->d);                     break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3511
  default:          st->print("type %d?", type);                    break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3512
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3513
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  3514
47998
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3515
// Support for java_lang_ref_Reference
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3516
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3517
bool java_lang_ref_Reference::is_referent_field(oop obj, ptrdiff_t offset) {
49592
77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc
stefank
parents: 49480
diff changeset
  3518
  assert(obj != NULL, "sanity");
47998
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3519
  if (offset != java_lang_ref_Reference::referent_offset) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3520
    return false;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3521
  }
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3522
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3523
  Klass* k = obj->klass();
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3524
  if (!k->is_instance_klass()) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3525
    return false;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3526
  }
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3527
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3528
  InstanceKlass* ik = InstanceKlass::cast(obj->klass());
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3529
  bool is_reference = ik->reference_type() != REF_NONE;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3530
  assert(!is_reference || ik->is_subclass_of(SystemDictionary::Reference_klass()), "sanity");
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3531
  return is_reference;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3532
}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics
eosterlund
parents: 47818
diff changeset
  3533
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3534
// Support for java_lang_ref_SoftReference
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3535
//
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3536
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3537
#define SOFTREFERENCE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3538
  macro(timestamp_offset,    k, "timestamp", long_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3539
  macro(static_clock_offset, k, "clock",     long_signature, true)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3540
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3541
void java_lang_ref_SoftReference::compute_offsets() {
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3542
  InstanceKlass* k = SystemDictionary::SoftReference_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3543
  SOFTREFERENCE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3544
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3545
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3546
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3547
void java_lang_ref_SoftReference::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3548
  SOFTREFERENCE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3549
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3550
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3551
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3552
jlong java_lang_ref_SoftReference::timestamp(oop ref) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3553
  return ref->long_field(timestamp_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3554
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3555
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3556
jlong java_lang_ref_SoftReference::clock() {
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  3557
  InstanceKlass* ik = SystemDictionary::SoftReference_klass();
49473
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  3558
  oop base = ik->static_field_base_raw();
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  3559
  return base->long_field(static_clock_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3560
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3561
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3562
void java_lang_ref_SoftReference::set_clock(jlong value) {
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  3563
  InstanceKlass* ik = SystemDictionary::SoftReference_klass();
49473
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  3564
  oop base = ik->static_field_base_raw();
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  3565
  base->long_field_put(static_clock_offset, value);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3566
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3567
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3568
// Support for java_lang_invoke_DirectMethodHandle
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3569
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3570
int java_lang_invoke_DirectMethodHandle::_member_offset;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3571
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3572
oop java_lang_invoke_DirectMethodHandle::member(oop dmh) {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3573
  oop member_name = NULL;
46968
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  3574
  assert(oopDesc::is_oop(dmh) && java_lang_invoke_DirectMethodHandle::is_instance(dmh),
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  3575
         "a DirectMethodHandle oop is expected");
9119841280f4 8160399: is_oop_or_null involves undefined behavior
coleenp
parents: 46773
diff changeset
  3576
  return dmh->obj_field(member_offset_in_bytes());
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3577
}
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3578
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3579
#define DIRECTMETHODHANDLE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3580
  macro(_member_offset, k, "member", java_lang_invoke_MemberName_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3581
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3582
void java_lang_invoke_DirectMethodHandle::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3583
  InstanceKlass* k = SystemDictionary::DirectMethodHandle_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3584
  DIRECTMETHODHANDLE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3585
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3586
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3587
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3588
void java_lang_invoke_DirectMethodHandle::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3589
  DIRECTMETHODHANDLE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3590
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3591
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3592
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3593
// Support for java_lang_invoke_MethodHandle
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3594
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3595
int java_lang_invoke_MethodHandle::_type_offset;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3596
int java_lang_invoke_MethodHandle::_form_offset;
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3597
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3598
int java_lang_invoke_MemberName::_clazz_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3599
int java_lang_invoke_MemberName::_name_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3600
int java_lang_invoke_MemberName::_type_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3601
int java_lang_invoke_MemberName::_flags_offset;
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3602
int java_lang_invoke_MemberName::_method_offset;
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3603
int java_lang_invoke_MemberName::_vmindex_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3604
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3605
int java_lang_invoke_ResolvedMethodName::_vmtarget_offset;
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3606
int java_lang_invoke_ResolvedMethodName::_vmholder_offset;
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3607
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3608
int java_lang_invoke_LambdaForm::_vmentry_offset;
10514
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 10509
diff changeset
  3609
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3610
#define METHODHANDLE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3611
  macro(_type_offset, k, vmSymbols::type_name(), java_lang_invoke_MethodType_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3612
  macro(_form_offset, k, "form",                 java_lang_invoke_LambdaForm_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3613
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3614
void java_lang_invoke_MethodHandle::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3615
  InstanceKlass* k = SystemDictionary::MethodHandle_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3616
  METHODHANDLE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3617
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3618
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3619
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3620
void java_lang_invoke_MethodHandle::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3621
  METHODHANDLE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3622
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3623
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3624
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3625
#define MEMBERNAME_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3626
  macro(_clazz_offset,   k, vmSymbols::clazz_name(),   class_signature,  false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3627
  macro(_name_offset,    k, vmSymbols::name_name(),    string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3628
  macro(_type_offset,    k, vmSymbols::type_name(),    object_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3629
  macro(_flags_offset,   k, vmSymbols::flags_name(),   int_signature,    false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3630
  macro(_method_offset,  k, vmSymbols::method_name(),  java_lang_invoke_ResolvedMethodName_signature, false)
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3631
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3632
void java_lang_invoke_MemberName::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3633
  InstanceKlass* k = SystemDictionary::MemberName_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3634
  MEMBERNAME_FIELDS_DO(FIELD_COMPUTE_OFFSET);
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3635
  MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3636
}
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3637
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3638
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3639
void java_lang_invoke_MemberName::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3640
  MEMBERNAME_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3641
  MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3642
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3643
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3644
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3645
void java_lang_invoke_ResolvedMethodName::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3646
  InstanceKlass* k = SystemDictionary::ResolvedMethodName_klass();
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3647
  assert(k != NULL, "jdk mismatch");
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3648
  RESOLVEDMETHOD_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3649
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3650
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3651
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3652
void java_lang_invoke_ResolvedMethodName::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3653
  RESOLVEDMETHOD_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3654
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3655
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3656
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3657
#define LAMBDAFORM_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3658
  macro(_vmentry_offset, k, "vmentry", java_lang_invoke_MemberName_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3659
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3660
void java_lang_invoke_LambdaForm::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3661
  InstanceKlass* k = SystemDictionary::LambdaForm_klass();
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3662
  assert (k != NULL, "jdk mismatch");
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3663
  LAMBDAFORM_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3664
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3665
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3666
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3667
void java_lang_invoke_LambdaForm::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3668
  LAMBDAFORM_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3669
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3670
#endif
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3671
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3672
bool java_lang_invoke_LambdaForm::is_instance(oop obj) {
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3673
  return obj != NULL && is_subclass(obj->klass());
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3674
}
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3675
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3676
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3677
oop java_lang_invoke_MethodHandle::type(oop mh) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3678
  return mh->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3679
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3680
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3681
void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3682
  mh->obj_field_put(_type_offset, mtype);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3683
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3684
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3685
oop java_lang_invoke_MethodHandle::form(oop mh) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3686
  assert(_form_offset != 0, "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3687
  return mh->obj_field(_form_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3688
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3689
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3690
void java_lang_invoke_MethodHandle::set_form(oop mh, oop lform) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3691
  assert(_form_offset != 0, "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3692
  mh->obj_field_put(_form_offset, lform);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3693
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3694
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3695
/// MemberName accessors
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3696
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3697
oop java_lang_invoke_MemberName::clazz(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3698
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3699
  return mname->obj_field(_clazz_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3700
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3701
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3702
void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3703
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3704
  mname->obj_field_put(_clazz_offset, clazz);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3705
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3706
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3707
oop java_lang_invoke_MemberName::name(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3708
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3709
  return mname->obj_field(_name_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3710
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3711
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3712
void java_lang_invoke_MemberName::set_name(oop mname, oop name) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3713
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3714
  mname->obj_field_put(_name_offset, name);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3715
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3716
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3717
oop java_lang_invoke_MemberName::type(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3718
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3719
  return mname->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3720
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3721
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3722
void java_lang_invoke_MemberName::set_type(oop mname, oop type) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3723
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3724
  mname->obj_field_put(_type_offset, type);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3725
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3726
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3727
int java_lang_invoke_MemberName::flags(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3728
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3729
  return mname->int_field(_flags_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3730
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3731
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3732
void java_lang_invoke_MemberName::set_flags(oop mname, int flags) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3733
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3734
  mname->int_field_put(_flags_offset, flags);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3735
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3736
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3737
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3738
// Return vmtarget from ResolvedMethodName method field through indirection
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3739
Method* java_lang_invoke_MemberName::vmtarget(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3740
  assert(is_instance(mname), "wrong type");
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3741
  oop method = mname->obj_field(_method_offset);
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3742
  return method == NULL ? NULL : java_lang_invoke_ResolvedMethodName::vmtarget(method);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3743
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3744
27674
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  3745
bool java_lang_invoke_MemberName::is_method(oop mname) {
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  3746
  assert(is_instance(mname), "must be MemberName");
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  3747
  return (flags(mname) & (MN_IS_METHOD | MN_IS_CONSTRUCTOR)) > 0;
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  3748
}
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  3749
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3750
void java_lang_invoke_MemberName::set_method(oop mname, oop resolved_method) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3751
  assert(is_instance(mname), "wrong type");
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3752
  mname->obj_field_put(_method_offset, resolved_method);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3753
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3754
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3755
intptr_t java_lang_invoke_MemberName::vmindex(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3756
  assert(is_instance(mname), "wrong type");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3757
  return (intptr_t) mname->address_field(_vmindex_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3758
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3759
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3760
void java_lang_invoke_MemberName::set_vmindex(oop mname, intptr_t index) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3761
  assert(is_instance(mname), "wrong type");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3762
  mname->address_field_put(_vmindex_offset, (address) index);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3763
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3764
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3765
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3766
Method* java_lang_invoke_ResolvedMethodName::vmtarget(oop resolved_method) {
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3767
  assert(is_instance(resolved_method), "wrong type");
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3768
  Method* m = (Method*)resolved_method->address_field(_vmtarget_offset);
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3769
  assert(m->is_method(), "must be");
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3770
  return m;
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3771
}
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3772
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3773
// Used by redefinition to change Method* to new Method* with same hash (name, signature)
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3774
void java_lang_invoke_ResolvedMethodName::set_vmtarget(oop resolved_method, Method* m) {
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3775
  assert(is_instance(resolved_method), "wrong type");
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3776
  resolved_method->address_field_put(_vmtarget_offset, (address)m);
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3777
}
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3778
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3779
oop java_lang_invoke_ResolvedMethodName::find_resolved_method(const methodHandle& m, TRAPS) {
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3780
  // lookup ResolvedMethod oop in the table, or create a new one and intern it
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3781
  oop resolved_method = ResolvedMethodTable::find_method(m());
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3782
  if (resolved_method == NULL) {
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3783
    InstanceKlass* k = SystemDictionary::ResolvedMethodName_klass();
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3784
    if (!k->is_initialized()) {
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3785
      k->initialize(CHECK_NULL);
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3786
    }
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3787
    oop new_resolved_method = k->allocate_instance(CHECK_NULL);
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3788
    new_resolved_method->address_field_put(_vmtarget_offset, (address)m());
51444
3e5d28e6de32 8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents: 51429
diff changeset
  3789
    // Add a reference to the loader (actually mirror because unsafe anonymous classes will not have
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3790
    // distinct loaders) to ensure the metadata is kept alive.
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3791
    // This mirror may be different than the one in clazz field.
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3792
    new_resolved_method->obj_field_put(_vmholder_offset, m->method_holder()->java_mirror());
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3793
    resolved_method = ResolvedMethodTable::add_method(Handle(THREAD, new_resolved_method));
43929
9a572e758c9b 8162795: [REDO] MemberNameTable doesn't purge stale entries
kevinw
parents: 43677
diff changeset
  3794
  }
46505
fd4bc78630b1 8174749: Use hash table/oops for MemberName table
coleenp
parents: 46388
diff changeset
  3795
  return resolved_method;
43929
9a572e758c9b 8162795: [REDO] MemberNameTable doesn't purge stale entries
kevinw
parents: 43677
diff changeset
  3796
}
9a572e758c9b 8162795: [REDO] MemberNameTable doesn't purge stale entries
kevinw
parents: 43677
diff changeset
  3797
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3798
oop java_lang_invoke_LambdaForm::vmentry(oop lform) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3799
  assert(is_instance(lform), "wrong type");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3800
  return lform->obj_field(_vmentry_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3801
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3802
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3803
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3804
// Support for java_lang_invoke_MethodType
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3805
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3806
int java_lang_invoke_MethodType::_rtype_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3807
int java_lang_invoke_MethodType::_ptypes_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3808
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3809
#define METHODTYPE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3810
  macro(_rtype_offset,  k, "rtype",  class_signature,       false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3811
  macro(_ptypes_offset, k, "ptypes", class_array_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3812
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3813
void java_lang_invoke_MethodType::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3814
  InstanceKlass* k = SystemDictionary::MethodType_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3815
  METHODTYPE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3816
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3817
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3818
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3819
void java_lang_invoke_MethodType::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3820
  METHODTYPE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3821
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3822
#endif
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3823
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3824
void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3825
  st->print("(");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3826
  objArrayOop pts = ptypes(mt);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3827
  for (int i = 0, limit = pts->length(); i < limit; i++) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3828
    java_lang_Class::print_signature(pts->obj_at(i), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3829
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3830
  st->print(")");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3831
  java_lang_Class::print_signature(rtype(mt), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3832
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3833
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3834
Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3835
  ResourceMark rm;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3836
  stringStream buffer(128);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3837
  print_signature(mt, &buffer);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3838
  const char* sigstr =       buffer.base();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3839
  int         siglen = (int) buffer.size();
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3840
  Symbol *name;
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3841
  if (!intern_if_not_found) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3842
    name = SymbolTable::probe(sigstr, siglen);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3843
  } else {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3844
    name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3845
  }
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3846
  return name;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3847
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3848
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3849
bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) {
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  3850
  if (oopDesc::equals(mt1, mt2))
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3851
    return true;
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  3852
  if (!oopDesc::equals(rtype(mt1), rtype(mt2)))
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3853
    return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3854
  if (ptype_count(mt1) != ptype_count(mt2))
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3855
    return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3856
  for (int i = ptype_count(mt1) - 1; i >= 0; i--) {
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  3857
    if (!oopDesc::equals(ptype(mt1, i), ptype(mt2, i)))
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3858
      return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3859
  }
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3860
  return true;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3861
}
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  3862
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3863
oop java_lang_invoke_MethodType::rtype(oop mt) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3864
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3865
  return mt->obj_field(_rtype_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3866
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3867
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3868
objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3869
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3870
  return (objArrayOop) mt->obj_field(_ptypes_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3871
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3872
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3873
oop java_lang_invoke_MethodType::ptype(oop mt, int idx) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3874
  return ptypes(mt)->obj_at(idx);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3875
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3876
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3877
int java_lang_invoke_MethodType::ptype_count(oop mt) {
4562
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  3878
  return ptypes(mt)->length();
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  3879
}
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  3880
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3881
int java_lang_invoke_MethodType::ptype_slot_count(oop mt) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3882
  objArrayOop pts = ptypes(mt);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3883
  int count = pts->length();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3884
  int slots = 0;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3885
  for (int i = 0; i < count; i++) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3886
    BasicType bt = java_lang_Class::as_BasicType(pts->obj_at(i));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3887
    slots += type2size[bt];
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3888
  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3889
  return slots;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3890
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3891
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3892
int java_lang_invoke_MethodType::rtype_slot_count(oop mt) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3893
  BasicType bt = java_lang_Class::as_BasicType(rtype(mt));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3894
  return type2size[bt];
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  3895
}
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  3896
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3897
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3898
// Support for java_lang_invoke_CallSite
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3899
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3900
int java_lang_invoke_CallSite::_target_offset;
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  3901
int java_lang_invoke_CallSite::_context_offset;
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3902
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3903
#define CALLSITE_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3904
  macro(_target_offset,  k, "target", java_lang_invoke_MethodHandle_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3905
  macro(_context_offset, k, "context", java_lang_invoke_MethodHandleNatives_CallSiteContext_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3906
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3907
void java_lang_invoke_CallSite::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3908
  InstanceKlass* k = SystemDictionary::CallSite_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3909
  CALLSITE_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3910
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3911
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3912
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3913
void java_lang_invoke_CallSite::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3914
  CALLSITE_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3915
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3916
#endif
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  3917
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3918
oop java_lang_invoke_CallSite::context(oop call_site) {
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  3919
  assert(java_lang_invoke_CallSite::is_instance(call_site), "");
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3920
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3921
  oop dep_oop = call_site->obj_field(_context_offset);
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3922
  return dep_oop;
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3923
}
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3924
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3925
// Support for java_lang_invoke_MethodHandleNatives_CallSiteContext
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3926
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3927
int java_lang_invoke_MethodHandleNatives_CallSiteContext::_vmdependencies_offset;
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3928
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3929
void java_lang_invoke_MethodHandleNatives_CallSiteContext::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3930
  InstanceKlass* k = SystemDictionary::Context_klass();
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3931
  CALLSITECONTEXT_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3932
}
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3933
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3934
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3935
void java_lang_invoke_MethodHandleNatives_CallSiteContext::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3936
  CALLSITECONTEXT_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3937
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3938
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3939
34195
89011d12ebd3 8139595: MethodHandles::remove_dependent_nmethod is not MT safe
vlivanov
parents: 33638
diff changeset
  3940
DependencyContext java_lang_invoke_MethodHandleNatives_CallSiteContext::vmdependencies(oop call_site) {
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3941
  assert(java_lang_invoke_MethodHandleNatives_CallSiteContext::is_instance(call_site), "");
49041
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  3942
  intptr_t* vmdeps_addr = (intptr_t*)call_site->field_addr(_vmdependencies_offset);
34195
89011d12ebd3 8139595: MethodHandles::remove_dependent_nmethod is not MT safe
vlivanov
parents: 33638
diff changeset
  3943
  DependencyContext dep_ctx(vmdeps_addr);
89011d12ebd3 8139595: MethodHandles::remove_dependent_nmethod is not MT safe
vlivanov
parents: 33638
diff changeset
  3944
  return dep_ctx;
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  3945
}
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3946
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3947
// Support for java_security_AccessControlContext
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3948
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3949
int java_security_AccessControlContext::_context_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3950
int java_security_AccessControlContext::_privilegedContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3951
int java_security_AccessControlContext::_isPrivileged_offset = 0;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3952
int java_security_AccessControlContext::_isAuthorized_offset = -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3953
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3954
#define ACCESSCONTROLCONTEXT_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3955
  macro(_context_offset,           k, "context",      protectiondomain_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3956
  macro(_privilegedContext_offset, k, "privilegedContext", accesscontrolcontext_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3957
  macro(_isPrivileged_offset,      k, "isPrivileged", bool_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3958
  macro(_isAuthorized_offset,      k, "isAuthorized", bool_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3959
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3960
void java_security_AccessControlContext::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3961
  assert(_isPrivileged_offset == 0, "offsets should be initialized only once");
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  3962
  InstanceKlass* k = SystemDictionary::AccessControlContext_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3963
  ACCESSCONTROLCONTEXT_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3964
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3965
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3966
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  3967
void java_security_AccessControlContext::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3968
  ACCESSCONTROLCONTEXT_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3969
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  3970
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3971
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3972
bool java_security_AccessControlContext::is_authorized(Handle context) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3973
  assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type");
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3974
  assert(_isAuthorized_offset != -1, "should be set");
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3975
  return context->bool_field(_isAuthorized_offset) != 0;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3976
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3977
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3978
oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3979
  assert(_isPrivileged_offset != 0, "offsets should have been initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3980
  // Ensure klass is initialized
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  3981
  SystemDictionary::AccessControlContext_klass()->initialize(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3982
  // Allocate result
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  3983
  oop result = SystemDictionary::AccessControlContext_klass()->allocate_instance(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3984
  // Fill in values
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3985
  result->obj_field_put(_context_offset, context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3986
  result->obj_field_put(_privilegedContext_offset, privileged_context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3987
  result->bool_field_put(_isPrivileged_offset, isPrivileged);
18057
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  3988
  // whitelist AccessControlContexts created by the JVM if present
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  3989
  if (_isAuthorized_offset != -1) {
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  3990
    result->bool_field_put(_isAuthorized_offset, true);
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  3991
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3992
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3993
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3994
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3995
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3996
// Support for java_lang_ClassLoader
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3997
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3998
bool java_lang_ClassLoader::offsets_computed = false;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3999
int  java_lang_ClassLoader::_loader_data_offset = -1;
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4000
int  java_lang_ClassLoader::parallelCapable_offset = -1;
41877
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4001
int  java_lang_ClassLoader::name_offset = -1;
50634
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4002
int  java_lang_ClassLoader::nameAndId_offset = -1;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4003
int  java_lang_ClassLoader::unnamedModule_offset = -1;
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4004
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4005
ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) {
49041
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4006
  assert(loader != NULL && oopDesc::is_oop(loader), "loader must be oop");
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4007
  return HeapAccess<>::load_at(loader, _loader_data_offset);
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4008
}
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4009
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4010
ClassLoaderData* java_lang_ClassLoader::cmpxchg_loader_data(ClassLoaderData* new_data, oop loader, ClassLoaderData* expected_data) {
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4011
  assert(loader != NULL && oopDesc::is_oop(loader), "loader must be oop");
44122f767467 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API
eosterlund
parents: 49036
diff changeset
  4012
  return HeapAccess<>::atomic_cmpxchg_at(new_data, loader, _loader_data_offset, expected_data);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4013
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4014
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4015
#define CLASSLOADER_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4016
  macro(parallelCapable_offset, k1, "parallelLockMap",      concurrenthashmap_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4017
  macro(name_offset,            k1, vmSymbols::name_name(), string_signature, false); \
50634
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4018
  macro(nameAndId_offset,       k1, "nameAndId",            string_signature, false); \
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4019
  macro(unnamedModule_offset,   k1, "unnamedModule",        module_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4020
  macro(parent_offset,          k1, "parent",               classloader_signature, false)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4021
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4022
void java_lang_ClassLoader::compute_offsets() {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4023
  assert(!offsets_computed, "offsets should be initialized only once");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4024
  offsets_computed = true;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4025
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4026
  InstanceKlass* k1 = SystemDictionary::ClassLoader_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4027
  CLASSLOADER_FIELDS_DO(FIELD_COMPUTE_OFFSET);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4028
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4029
  CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4030
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4031
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4032
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4033
void java_lang_ClassLoader::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4034
  CLASSLOADER_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4035
  CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4036
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4037
#endif
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4038
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4039
oop java_lang_ClassLoader::parent(oop loader) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4040
  assert(is_instance(loader), "loader must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4041
  return loader->obj_field(parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4042
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4043
50634
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4044
// Returns the name field of this class loader.  If the name field has not
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4045
// been set, null will be returned.
41877
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4046
oop java_lang_ClassLoader::name(oop loader) {
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4047
  assert(is_instance(loader), "loader must be oop");
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4048
  return loader->obj_field(name_offset);
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4049
}
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4050
50634
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4051
// Returns the nameAndId field of this class loader. The format is
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4052
// as follows:
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4053
//   If the defining loader has a name explicitly set then '<loader-name>' @<id>
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4054
//   If the defining loader has no name then <qualified-class-name> @<id>
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4055
//   If built-in loader, then omit '@<id>' as there is only one instance.
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4056
// Use ClassLoader::loader_name_id() to obtain this String as a char*.
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4057
oop java_lang_ClassLoader::nameAndId(oop loader) {
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4058
  assert(is_instance(loader), "loader must be oop");
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4059
  return loader->obj_field(nameAndId_offset);
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4060
}
c349d409262a 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents: 50532
diff changeset
  4061
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4062
bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4063
  assert(is_instance(loader), "loader must be oop");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4064
  assert(cl == NULL || is_instance(cl), "cl argument must be oop");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4065
  oop acl = loader;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4066
  debug_only(jint loop_count = 0);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4067
  // This loop taken verbatim from ClassLoader.java:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4068
  do {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4069
    acl = parent(acl);
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  4070
    if (oopDesc::equals(cl, acl)) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4071
      return true;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4072
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4073
    assert(++loop_count > 0, "loop_count overflow");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4074
  } while (acl != NULL);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4075
  return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4076
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4077
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  4078
bool java_lang_ClassLoader::is_instance(oop obj) {
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  4079
  return obj != NULL && is_subclass(obj->klass());
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  4080
}
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  4081
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4082
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4083
// For class loader classes, parallelCapable defined
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4084
// based on non-null field
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4085
// Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4086
bool java_lang_ClassLoader::parallelCapable(oop class_loader) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  4087
  if (parallelCapable_offset == -1) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4088
     // Default for backward compatibility is false
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4089
     return false;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4090
  }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4091
  return (class_loader->obj_field(parallelCapable_offset) != NULL);
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4092
}
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4093
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4094
bool java_lang_ClassLoader::is_trusted_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4095
  // Fix for 4474172; see evaluation for more details
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4096
  loader = non_reflection_class_loader(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4097
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4098
  oop cl = SystemDictionary::java_system_loader();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4099
  while(cl != NULL) {
49658
8237a91c1cca 8199781: Don't use naked == for comparing oops
rkennke
parents: 49594
diff changeset
  4100
    if (oopDesc::equals(cl, loader)) return true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4101
    cl = parent(cl);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4102
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4103
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4104
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4105
42574
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4106
// Return true if this is one of the class loaders associated with
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4107
// the generated bytecodes for reflection.
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4108
bool java_lang_ClassLoader::is_reflection_class_loader(oop loader) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4109
  if (loader != NULL) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4110
    Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4111
    // This might be null in non-1.4 JDKs
42574
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4112
    return (delegating_cl_class != NULL && loader->is_a(delegating_cl_class));
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4113
  }
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4114
  return false;
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4115
}
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4116
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4117
oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4118
  // See whether this is one of the class loaders associated with
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4119
  // the generated bytecodes for reflection, and if so, "magically"
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4120
  // delegate to its parent to prevent class loading from occurring
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4121
  // in places where applications using reflection didn't expect it.
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4122
  if (is_reflection_class_loader(loader)) {
25ff9171b28b 8166304: Skipping access check for classes generated by core reflection
hseigel
parents: 41877
diff changeset
  4123
    return parent(loader);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4124
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4125
  return loader;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4126
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4127
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4128
oop java_lang_ClassLoader::unnamedModule(oop loader) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4129
  assert(is_instance(loader), "loader must be oop");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4130
  return loader->obj_field(unnamedModule_offset);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4131
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4132
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4133
// Support for java_lang_System
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4134
//
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4135
#define SYSTEM_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4136
  macro(static_in_offset,  k, "in",  input_stream_signature, true); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4137
  macro(static_out_offset, k, "out", print_stream_signature, true); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4138
  macro(static_err_offset, k, "err", print_stream_signature, true); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4139
  macro(static_security_offset, k, "security", security_manager_signature, true)
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4140
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4141
void java_lang_System::compute_offsets() {
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4142
  InstanceKlass* k = SystemDictionary::System_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4143
  SYSTEM_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4144
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4145
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4146
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4147
void java_lang_System::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4148
   SYSTEM_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4149
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4150
#endif
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4151
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4152
int java_lang_System::in_offset_in_bytes() { return static_in_offset; }
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4153
int java_lang_System::out_offset_in_bytes() { return static_out_offset; }
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4154
int java_lang_System::err_offset_in_bytes() { return static_err_offset; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4155
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4156
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  4157
bool java_lang_System::has_security_manager() {
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  4158
  InstanceKlass* ik = SystemDictionary::System_klass();
49473
26958d06b585 8199739: Use HeapAccess when loading oops from static fields in javaClasses.cpp
rkennke
parents: 49449
diff changeset
  4159
  oop base = ik->static_field_base_raw();
49592
77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc
stefank
parents: 49480
diff changeset
  4160
  return base->obj_field(static_security_offset) != NULL;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  4161
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4162
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4163
int java_lang_Class::_klass_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4164
int java_lang_Class::_array_klass_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4165
int java_lang_Class::_oop_size_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4166
int java_lang_Class::_static_oop_field_count_offset;
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  4167
int java_lang_Class::_class_loader_offset;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4168
int java_lang_Class::_module_offset;
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  4169
int java_lang_Class::_protection_domain_offset;
25465
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
  4170
int java_lang_Class::_component_mirror_offset;
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  4171
int java_lang_Class::_init_lock_offset;
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  4172
int java_lang_Class::_signers_offset;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4173
GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4174
GrowableArray<Klass*>* java_lang_Class::_fixup_module_field_list = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4175
int java_lang_Throwable::backtrace_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4176
int java_lang_Throwable::detailMessage_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4177
int java_lang_Throwable::stackTrace_offset;
37064
5c82fa70d313 8150778: Reduce Throwable.getStackTrace() calls to the JVM
coleenp
parents: 35918
diff changeset
  4178
int java_lang_Throwable::depth_offset;
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  4179
int java_lang_Throwable::static_unassigned_stacktrace_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4180
int java_lang_reflect_AccessibleObject::override_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4181
int java_lang_reflect_Method::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4182
int java_lang_reflect_Method::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4183
int java_lang_reflect_Method::returnType_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4184
int java_lang_reflect_Method::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4185
int java_lang_reflect_Method::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4186
int java_lang_reflect_Method::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4187
int java_lang_reflect_Method::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4188
int java_lang_reflect_Method::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4189
int java_lang_reflect_Method::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4190
int java_lang_reflect_Method::parameter_annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4191
int java_lang_reflect_Method::annotation_default_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  4192
int java_lang_reflect_Method::type_annotations_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4193
int java_lang_reflect_Constructor::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4194
int java_lang_reflect_Constructor::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4195
int java_lang_reflect_Constructor::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4196
int java_lang_reflect_Constructor::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4197
int java_lang_reflect_Constructor::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4198
int java_lang_reflect_Constructor::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4199
int java_lang_reflect_Constructor::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4200
int java_lang_reflect_Constructor::parameter_annotations_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  4201
int java_lang_reflect_Constructor::type_annotations_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4202
int java_lang_reflect_Field::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4203
int java_lang_reflect_Field::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4204
int java_lang_reflect_Field::type_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4205
int java_lang_reflect_Field::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4206
int java_lang_reflect_Field::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4207
int java_lang_reflect_Field::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4208
int java_lang_reflect_Field::annotations_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  4209
int java_lang_reflect_Field::type_annotations_offset;
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  4210
int java_lang_reflect_Parameter::name_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  4211
int java_lang_reflect_Parameter::modifiers_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  4212
int java_lang_reflect_Parameter::index_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  4213
int java_lang_reflect_Parameter::executable_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4214
int java_lang_boxing_object::value_offset;
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  4215
int java_lang_boxing_object::long_value_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4216
int java_lang_ref_Reference::referent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4217
int java_lang_ref_Reference::queue_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4218
int java_lang_ref_Reference::next_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4219
int java_lang_ref_Reference::discovered_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4220
int java_lang_ref_SoftReference::timestamp_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4221
int java_lang_ref_SoftReference::static_clock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4222
int java_lang_ClassLoader::parent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4223
int java_lang_System::static_in_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4224
int java_lang_System::static_out_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4225
int java_lang_System::static_err_offset;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  4226
int java_lang_System::static_security_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4227
int java_lang_StackTraceElement::methodName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4228
int java_lang_StackTraceElement::fileName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4229
int java_lang_StackTraceElement::lineNumber_offset;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4230
int java_lang_StackTraceElement::moduleName_offset;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4231
int java_lang_StackTraceElement::moduleVersion_offset;
41877
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4232
int java_lang_StackTraceElement::classLoaderName_offset;
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4233
int java_lang_StackTraceElement::declaringClass_offset;
42541
308a256d545e 8169389: Use a bitmap to control StackTraceElement::toString format and save footprint
bchristi
parents: 41877
diff changeset
  4234
int java_lang_StackTraceElement::declaringClassObject_offset;
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4235
int java_lang_StackFrameInfo::_memberName_offset;
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4236
int java_lang_StackFrameInfo::_bci_offset;
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4237
int java_lang_StackFrameInfo::_version_offset;
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4238
int java_lang_LiveStackFrameInfo::_monitors_offset;
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4239
int java_lang_LiveStackFrameInfo::_locals_offset;
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4240
int java_lang_LiveStackFrameInfo::_operands_offset;
43677
5228814c1da2 8156073: 2-slot LiveStackFrame locals (long and double) are incorrect
bchristi
parents: 43422
diff changeset
  4241
int java_lang_LiveStackFrameInfo::_mode_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4242
int java_lang_AssertionStatusDirectives::classes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4243
int java_lang_AssertionStatusDirectives::classEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4244
int java_lang_AssertionStatusDirectives::packages_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4245
int java_lang_AssertionStatusDirectives::packageEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4246
int java_lang_AssertionStatusDirectives::deflt_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4247
int java_nio_Buffer::_limit_offset;
50419
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4248
int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset;
37301
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  4249
int reflect_ConstantPool::_oop_offset;
a936b4e01afb 8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents: 37179
diff changeset
  4250
int reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
51429
d9f6e3ee7fcb 8209545: Simplify HeapShared::archive_module_graph_objects
iklam
parents: 51425
diff changeset
  4251
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4252
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4253
#define STACKTRACEELEMENT_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4254
  macro(declaringClassObject_offset,  k, "declaringClassObject", class_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4255
  macro(classLoaderName_offset, k, "classLoaderName", string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4256
  macro(moduleName_offset,      k, "moduleName",      string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4257
  macro(moduleVersion_offset,   k, "moduleVersion",   string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4258
  macro(declaringClass_offset,  k, "declaringClass",  string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4259
  macro(methodName_offset,      k, "methodName",      string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4260
  macro(fileName_offset,        k, "fileName",        string_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4261
  macro(lineNumber_offset,      k, "lineNumber",      int_signature,    false)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4262
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4263
// Support for java_lang_StackTraceElement
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4264
void java_lang_StackTraceElement::compute_offsets() {
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4265
  InstanceKlass* k = SystemDictionary::StackTraceElement_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4266
  STACKTRACEELEMENT_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4267
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4268
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4269
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4270
void java_lang_StackTraceElement::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4271
  STACKTRACEELEMENT_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4272
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4273
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4274
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4275
void java_lang_StackTraceElement::set_fileName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4276
  element->obj_field_put(fileName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4277
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4278
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4279
void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4280
  element->obj_field_put(declaringClass_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4281
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4282
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4283
void java_lang_StackTraceElement::set_methodName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4284
  element->obj_field_put(methodName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4285
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4286
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4287
void java_lang_StackTraceElement::set_lineNumber(oop element, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4288
  element->int_field_put(lineNumber_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4289
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4290
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4291
void java_lang_StackTraceElement::set_moduleName(oop element, oop value) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4292
  element->obj_field_put(moduleName_offset, value);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4293
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4294
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4295
void java_lang_StackTraceElement::set_moduleVersion(oop element, oop value) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4296
  element->obj_field_put(moduleVersion_offset, value);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4297
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 35918
diff changeset
  4298
41877
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4299
void java_lang_StackTraceElement::set_classLoaderName(oop element, oop value) {
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4300
  element->obj_field_put(classLoaderName_offset, value);
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4301
}
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4302
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4303
void java_lang_StackTraceElement::set_declaringClassObject(oop element, oop value) {
42541
308a256d545e 8169389: Use a bitmap to control StackTraceElement::toString format and save footprint
bchristi
parents: 41877
diff changeset
  4304
  element->obj_field_put(declaringClassObject_offset, value);
41877
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4305
}
1ff6dce8fe28 6479237: (cl) Add support for classloader names
mchung
parents: 41691
diff changeset
  4306
34280
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4307
void java_lang_StackFrameInfo::set_version(oop element, short value) {
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4308
  element->short_field_put(_version_offset, value);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4309
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4310
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4311
void java_lang_StackFrameInfo::set_bci(oop element, int value) {
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4312
  element->int_field_put(_bci_offset, value);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4313
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4314
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4315
void java_lang_LiveStackFrameInfo::set_monitors(oop element, oop value) {
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4316
  element->obj_field_put(_monitors_offset, value);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4317
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4318
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4319
void java_lang_LiveStackFrameInfo::set_locals(oop element, oop value) {
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4320
  element->obj_field_put(_locals_offset, value);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4321
}
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4322
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4323
void java_lang_LiveStackFrameInfo::set_operands(oop element, oop value) {
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4324
  element->obj_field_put(_operands_offset, value);
72bfaaffee36 8143911: Reintegrate JEP 259: Stack-Walking API
mchung
parents: 34273
diff changeset
  4325
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4326
43677
5228814c1da2 8156073: 2-slot LiveStackFrame locals (long and double) are incorrect
bchristi
parents: 43422
diff changeset
  4327
void java_lang_LiveStackFrameInfo::set_mode(oop element, int value) {
5228814c1da2 8156073: 2-slot LiveStackFrame locals (long and double) are incorrect
bchristi
parents: 43422
diff changeset
  4328
  element->int_field_put(_mode_offset, value);
5228814c1da2 8156073: 2-slot LiveStackFrame locals (long and double) are incorrect
bchristi
parents: 43422
diff changeset
  4329
}
5228814c1da2 8156073: 2-slot LiveStackFrame locals (long and double) are incorrect
bchristi
parents: 43422
diff changeset
  4330
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4331
// Support for java Assertions - java_lang_AssertionStatusDirectives.
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4332
#define ASSERTIONSTATUSDIRECTIVES_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4333
  macro(classes_offset,        k, "classes",        string_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4334
  macro(classEnabled_offset,   k, "classEnabled",   bool_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4335
  macro(packages_offset,       k, "packages",       string_array_signature, false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4336
  macro(packageEnabled_offset, k, "packageEnabled", bool_array_signature,   false); \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4337
  macro(deflt_offset,          k, "deflt",          bool_signature,         false)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4338
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4339
void java_lang_AssertionStatusDirectives::compute_offsets() {
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4340
  InstanceKlass* k = SystemDictionary::AssertionStatusDirectives_klass();
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4341
  ASSERTIONSTATUSDIRECTIVES_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4342
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4343
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4344
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4345
void java_lang_AssertionStatusDirectives::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4346
  ASSERTIONSTATUSDIRECTIVES_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4347
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4348
#endif
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4349
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4350
void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4351
  o->obj_field_put(classes_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4352
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4353
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4354
void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4355
  o->obj_field_put(classEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4356
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4357
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4358
void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4359
  o->obj_field_put(packages_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4360
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4361
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4362
void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4363
  o->obj_field_put(packageEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4364
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4365
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4366
void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4367
  o->bool_field_put(deflt_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4368
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4369
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4370
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4371
// Support for intrinsification of java.nio.Buffer.checkIndex
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4372
int java_nio_Buffer::limit_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4373
  return _limit_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4374
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4375
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4376
#define BUFFER_FIELDS_DO(macro) \
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4377
  macro(_limit_offset, k, "limit", int_signature, false)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4378
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4379
void java_nio_Buffer::compute_offsets() {
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4380
  InstanceKlass* k = SystemDictionary::nio_Buffer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  4381
  assert(k != NULL, "must be loaded in 1.4+");
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4382
  BUFFER_FIELDS_DO(FIELD_COMPUTE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4383
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4384
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4385
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4386
void java_nio_Buffer::serialize_offsets(SerializeClosure* f) {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4387
  BUFFER_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4388
}
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4389
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4390
50419
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4391
#define AOS_FIELDS_DO(macro) \
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4392
  macro(_owner_offset, k, "exclusiveOwnerThread", thread_signature, false)
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4393
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4394
void java_util_concurrent_locks_AbstractOwnableSynchronizer::compute_offsets() {
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4395
  InstanceKlass* k = SystemDictionary::java_util_concurrent_locks_AbstractOwnableSynchronizer_klass();
146c60525d4a 8199882: compiler/uncommontrap/TestDeoptOOM.java failed w/ fatal error: ExceptionMark constructor expects no pending exceptions
dholmes
parents: 50389
diff changeset
  4396
  AOS_FIELDS_DO(FIELD_COMPUTE_OFFSET);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4397
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4398
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4399
oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4400
  assert(_owner_offset != 0, "Must be initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4401
  return obj->obj_field(_owner_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4402
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4403
50819
cf09f0b56efd 8205699: assert(_owner_offset != 0) failed in javaClasses.cpp
jiangli
parents: 50634
diff changeset
  4404
#if INCLUDE_CDS
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4405
void java_util_concurrent_locks_AbstractOwnableSynchronizer::serialize_offsets(SerializeClosure* f) {
50819
cf09f0b56efd 8205699: assert(_owner_offset != 0) failed in javaClasses.cpp
jiangli
parents: 50634
diff changeset
  4406
  AOS_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
cf09f0b56efd 8205699: assert(_owner_offset != 0) failed in javaClasses.cpp
jiangli
parents: 50634
diff changeset
  4407
}
cf09f0b56efd 8205699: assert(_owner_offset != 0) failed in javaClasses.cpp
jiangli
parents: 50634
diff changeset
  4408
#endif
cf09f0b56efd 8205699: assert(_owner_offset != 0) failed in javaClasses.cpp
jiangli
parents: 50634
diff changeset
  4409
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4410
static int member_offset(int hardcoded_offset) {
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4411
  return (hardcoded_offset * heapOopSize) + instanceOopDesc::base_offset_in_bytes();
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4412
}
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4413
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4414
// Compute hard-coded offsets
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4415
// Invoked before SystemDictionary::initialize, so pre-loaded classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4416
// are not available to determine the offset_of_static_fields.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4417
void JavaClasses::compute_hard_coded_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4418
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4419
  // java_lang_boxing_object
48619
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4420
  java_lang_boxing_object::value_offset      = member_offset(java_lang_boxing_object::hc_value_offset);
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4421
  java_lang_boxing_object::long_value_offset = align_up(member_offset(java_lang_boxing_object::hc_value_offset), BytesPerLong);
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4422
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4423
  // java_lang_ref_Reference
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4424
  java_lang_ref_Reference::referent_offset    = member_offset(java_lang_ref_Reference::hc_referent_offset);
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4425
  java_lang_ref_Reference::queue_offset       = member_offset(java_lang_ref_Reference::hc_queue_offset);
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4426
  java_lang_ref_Reference::next_offset        = member_offset(java_lang_ref_Reference::hc_next_offset);
1703d83b3ffe 8058259: compute_offset() is confusing for static fields
coleenp
parents: 47998
diff changeset
  4427
  java_lang_ref_Reference::discovered_offset  = member_offset(java_lang_ref_Reference::hc_discovered_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4428
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4429
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4430
#define DO_COMPUTE_OFFSETS(k) k::compute_offsets();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4431
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4432
// Compute non-hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4433
void JavaClasses::compute_offsets() {
49329
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4434
  if (UseSharedSpaces) {
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4435
    return; // field offsets are loaded from archive
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4436
  }
04ed29f9ef33 8194759: Support caching class mirror objects.
jiangli
parents: 49192
diff changeset
  4437
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4438
  // We have already called the compute_offsets() of the
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4439
  // BASIC_JAVA_CLASSES_DO_PART1 classes (java_lang_String and java_lang_Class)
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4440
  // earlier inside SystemDictionary::resolve_preloaded_classes()
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4441
  BASIC_JAVA_CLASSES_DO_PART2(DO_COMPUTE_OFFSETS);
50951
b96466cdfc45 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
jiangli
parents: 50882
diff changeset
  4442
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  4443
  // generated interpreter code wants to know about the offsets we just computed:
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  4444
  AbstractAssembler::update_delayed_values();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4445
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4446
51417
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4447
#if INCLUDE_CDS
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4448
#define DO_SERIALIZE_OFFSETS(k) k::serialize_offsets(soc);
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4449
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4450
void JavaClasses::serialize_offsets(SerializeClosure* soc) {
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4451
  BASIC_JAVA_CLASSES_DO(DO_SERIALIZE_OFFSETS);
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4452
}
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4453
#endif
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4454
b08c2a94cce1 8206115: Use shared macros for JavaClasses::compute_offsets and MetaspaceShared::serialize_well_known_classes
iklam
parents: 51388
diff changeset
  4455
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4456
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4457
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4458
// These functions exist to assert the validity of hard-coded field offsets to guard
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4459
// against changes in the class files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4460
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4461
bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4462
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4463
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  4464
  TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  4465
  Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  4466
  InstanceKlass* ik = InstanceKlass::cast(k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  4467
  TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  4468
  TempNewSymbol f_sig  = SymbolTable::new_symbol(field_sig, CATCH);
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46327
diff changeset
  4469
  if (!ik->find_local_field(f_name, f_sig, &fd)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4470
    tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4471
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4472
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4473
  if (fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4474
    tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4475
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4476
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4477
  if (fd.offset() == hardcoded_offset ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4478
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4479
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4480
    tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.",
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4481
                  klass_name, field_name, hardcoded_offset, fd.offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4482
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4483
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4484
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4485
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4486
// Check the hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4487
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4488
void JavaClasses::check_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4489
  bool valid = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4490
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4491
#define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4492
  valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4493
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  4494
#define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  4495
  valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig)
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  4496
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4497
  // Boxed primitive objects (java_lang_boxing_object)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4498
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4499
  CHECK_OFFSET("java/lang/Boolean",   java_lang_boxing_object, value, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4500
  CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4501
  CHECK_OFFSET("java/lang/Float",     java_lang_boxing_object, value, "F");
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  4502
  CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4503
  CHECK_OFFSET("java/lang/Byte",      java_lang_boxing_object, value, "B");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4504
  CHECK_OFFSET("java/lang/Short",     java_lang_boxing_object, value, "S");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4505
  CHECK_OFFSET("java/lang/Integer",   java_lang_boxing_object, value, "I");
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  4506
  CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4507
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4508
  // java.lang.ref.Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4509
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4510
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4511
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4512
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4513
  // Fake field
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4514
  //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4515
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4516
  if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4517
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4518
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4519
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4520
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4521
int InjectedField::compute_offset() {
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  4522
  InstanceKlass* ik = InstanceKlass::cast(klass());
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  4523
  for (AllFieldStream fs(ik); !fs.done(); fs.next()) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4524
    if (!may_be_java && !fs.access_flags().is_internal()) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4525
      // Only look at injected fields
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4526
      continue;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4527
    }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4528
    if (fs.name() == name() && fs.signature() == signature()) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4529
      return fs.offset();
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4530
    }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4531
  }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4532
  ResourceMark rm;
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  4533
  tty->print_cr("Invalid layout of %s at %s/%s%s", ik->external_name(), name()->as_C_string(), signature()->as_C_string(), may_be_java ? " (may_be_java)" : "");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4534
#ifndef PRODUCT
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  4535
  ik->print();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4536
  tty->print_cr("all fields:");
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
  4537
  for (AllFieldStream fs(ik); !fs.done(); fs.next()) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4538
    tty->print_cr("  name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4539
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  4540
#endif //PRODUCT
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38144
diff changeset
  4541
  vm_exit_during_initialization("Invalid layout of preloaded class: use -Xlog:class+load=info to see the origin of the problem class");
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4542
  return -1;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4543
}
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  4544
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4545
void javaClasses_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4546
  JavaClasses::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4547
  JavaClasses::check_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4548
  FilteredFieldsMap::initialize();  // must be done after computing offsets.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4549
}