hotspot/src/share/vm/classfile/javaClasses.cpp
author coleenp
Thu, 23 Jul 2015 22:31:10 -0400
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Merge
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/*
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 * Copyright (c) 1997, 2015, 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/javaClasses.inline.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/pcDesc.hpp"
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#include "compiler/compilerOracle.hpp"
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#include "interpreter/interpreter.hpp"
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#include "memory/oopFactory.hpp"
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#include "memory/resourceArea.hpp"
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#include "memory/universe.inline.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.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.hpp"
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#include "prims/jvmtiRedefineClassesTrace.hpp"
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#include "runtime/fieldDescriptor.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/interfaceSupport.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/safepoint.hpp"
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#include "runtime/thread.inline.hpp"
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#include "runtime/vframe.hpp"
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#include "utilities/preserveException.hpp"
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PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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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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#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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static bool find_field(InstanceKlass* ik,
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                       Symbol* name_symbol, Symbol* signature_symbol,
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                       fieldDescriptor* fd,
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                       bool is_static = false, bool allow_super = false) {
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  if (allow_super || is_static) {
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    return ik->find_field(name_symbol, signature_symbol, is_static, fd) != NULL;
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  } else {
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    return ik->find_local_field(name_symbol, signature_symbol, fd);
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  }
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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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static void
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compute_offset(int &dest_offset,
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               Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol,
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               bool is_static = false, bool allow_super = false) {
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  fieldDescriptor fd;
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  InstanceKlass* ik = InstanceKlass::cast(klass_oop);
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  if (!find_field(ik, name_symbol, signature_symbol, &fd, is_static, allow_super)) {
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    ResourceMark rm;
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    tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string());
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#ifndef PRODUCT
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    klass_oop->print();
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    tty->print_cr("all fields:");
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    for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) {
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      tty->print_cr("  name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int());
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    }
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#endif //PRODUCT
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    vm_exit_during_initialization("Invalid layout of preloaded class: use -XX:+TraceClassLoading 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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// Same as above but for "optional" offsets that might not be present in certain JDK versions
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static void
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compute_optional_offset(int& dest_offset,
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                        Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol,
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                        bool allow_super = false) {
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  fieldDescriptor fd;
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  InstanceKlass* ik = InstanceKlass::cast(klass_oop);
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  if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) {
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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::offset_offset = 0;
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int java_lang_String::count_offset  = 0;
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int java_lang_String::hash_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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void java_lang_String::compute_offsets() {
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  assert(!initialized, "offsets should be initialized only once");
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  Klass* k = SystemDictionary::String_klass();
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  compute_offset(value_offset,           k, vmSymbols::value_name(),  vmSymbols::char_array_signature());
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  compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature());
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  compute_optional_offset(count_offset,  k, vmSymbols::count_name(),  vmSymbols::int_signature());
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  compute_optional_offset(hash_offset,   k, vmSymbols::hash_name(),   vmSymbols::int_signature());
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  initialized = true;
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}
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Handle java_lang_String::basic_create(int length, TRAPS) {
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  assert(initialized, "Must be initialized");
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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 = InstanceKlass::cast(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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  typeArrayOop buffer;
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    buffer = oopFactory::new_charArray(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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  assert(offset(obj) == 0, "initial String offset should be zero");
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//set_offset(obj, 0);
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  set_count(obj, length);
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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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  Handle h_obj = basic_create(length, CHECK_NH);
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  typeArrayOop buffer = value(h_obj());
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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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  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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  int length = UTF8::unicode_length(utf8_str);
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  Handle h_obj = basic_create(length, CHECK_NH);
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  if (length > 0) {
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    UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length);
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  }
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  return h_obj;
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}
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oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) {
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  Handle h_obj = create_from_str(utf8_str, CHECK_0);
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  return h_obj();
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}
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Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) {
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  int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length());
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  Handle h_obj = basic_create(length, CHECK_NH);
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  if (length > 0) {
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    UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length);
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  }
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  return h_obj;
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}
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// Converts a C string to a Java String based on current encoding
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Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) {
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  assert(str != NULL, "bad arguments");
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  typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *);
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  static to_java_string_fn_t _to_java_string_fn = NULL;
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  if (_to_java_string_fn == NULL) {
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    void *lib_handle = os::native_java_library();
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    _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform"));
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    if (_to_java_string_fn == NULL) {
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      fatal("NewStringPlatform missing");
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    }
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  }
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  jstring js = NULL;
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  { JavaThread* thread = (JavaThread*)THREAD;
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    assert(thread->is_Java_thread(), "must be java thread");
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    HandleMark hm(thread);
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    ThreadToNativeFromVM ttn(thread);
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    js = (_to_java_string_fn)(thread->jni_environment(), str);
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  }
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  return Handle(THREAD, JNIHandles::resolve(js));
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}
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// Converts a Java String to a native C string that can be used for
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// native OS calls.
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char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
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  typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*);
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  static to_platform_string_fn_t _to_platform_string_fn = NULL;
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  if (_to_platform_string_fn == NULL) {
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    void *lib_handle = os::native_java_library();
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    _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars"));
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    if (_to_platform_string_fn == NULL) {
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      fatal("GetStringPlatformChars missing");
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    }
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  }
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  char *native_platform_string;
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  { JavaThread* thread = (JavaThread*)THREAD;
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    assert(thread->is_Java_thread(), "must be java thread");
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    JNIEnv *env = thread->jni_environment();
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    jstring js = (jstring) JNIHandles::make_local(env, java_string());
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    bool is_copy;
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    HandleMark hm(thread);
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    ThreadToNativeFromVM ttn(thread);
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    native_platform_string = (_to_platform_string_fn)(env, js, &is_copy);
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    assert(is_copy == JNI_TRUE, "is_copy value changed");
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    JNIHandles::destroy_local(js);
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  }
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  return native_platform_string;
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}
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1
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Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) {
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  oop          obj    = java_string();
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  // Typical usage is to convert all '/' to '.' in string.
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  typeArrayOop value  = java_lang_String::value(obj);
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  int          offset = java_lang_String::offset(obj);
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  int          length = java_lang_String::length(obj);
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  // First check if any from_char exist
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  int index; // Declared outside, used later
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  for (index = 0; index < length; index++) {
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    if (value->char_at(index + offset) == from_char) {
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      break;
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    }
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  }
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  if (index == length) {
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    // No from_char, so do not copy.
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    return java_string;
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  }
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  // Create new UNICODE buffer. Must handlize value because GC
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  // may happen during String and char array creation.
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  typeArrayHandle h_value(THREAD, value);
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  Handle string = basic_create(length, CHECK_NH);
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  typeArrayOop from_buffer = h_value();
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  typeArrayOop to_buffer   = java_lang_String::value(string());
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  // Copy contents
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  for (index = 0; index < length; index++) {
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    jchar c = from_buffer->char_at(index + offset);
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    if (c == from_char) {
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      c = to_char;
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   322
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   323
    to_buffer->char_at_put(index, c);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   324
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   325
  return string;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   326
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   327
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   328
jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   329
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   330
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   331
               length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   332
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   333
  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
   334
  if (result != NULL) {
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   335
    for (int index = 0; index < length; index++) {
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   336
      result[index] = value->char_at(index + offset);
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   337
    }
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   338
  } else {
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   339
    THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
14742
b2a47eb99404 8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents: 14588
diff changeset
   344
unsigned int java_lang_String::hash_code(oop java_string) {
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   345
  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
   346
  // Zero length string will hash to zero with String.hashCode() function.
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   347
  if (length == 0) return 0;
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   348
8885
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   349
  typeArrayOop value  = java_lang_String::value(java_string);
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   350
  int          offset = java_lang_String::offset(java_string);
14742
b2a47eb99404 8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents: 14588
diff changeset
   351
  return java_lang_String::hash_code(value->char_at_addr(offset), length);
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   352
}
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   353
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   354
char* java_lang_String::as_quoted_ascii(oop java_string) {
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   355
  typeArrayOop value  = java_lang_String::value(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   356
  int          offset = java_lang_String::offset(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   357
  int          length = java_lang_String::length(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   358
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   359
  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   360
  if (base == NULL) return NULL;
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   361
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   362
  int result_length = UNICODE::quoted_ascii_length(base, length) + 1;
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   363
  char* result = NEW_RESOURCE_ARRAY(char, result_length);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   364
  UNICODE::as_quoted_ascii(base, length, result, result_length);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   365
  assert(result_length >= length + 1, "must not be shorter");
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   366
  assert(result_length == (int)strlen(result) + 1, "must match");
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   367
  return result;
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   368
}
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   369
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   370
unsigned int java_lang_String::hash_string(oop java_string) {
8885
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   371
  int          length = java_lang_String::length(java_string);
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   372
  // Zero length string doesn't hash necessarily hash to zero.
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   373
  if (length == 0) {
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   374
    return StringTable::hash_string(NULL, 0);
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   375
  }
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   376
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   377
  typeArrayOop value  = java_lang_String::value(java_string);
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   378
  int          offset = java_lang_String::offset(java_string);
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   379
  return StringTable::hash_string(value->char_at_addr(offset), length);
8885
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   380
}
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   381
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   382
Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
  oop          obj    = java_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
  typeArrayOop value  = java_lang_String::value(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
  int          offset = java_lang_String::offset(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
  int          length = java_lang_String::length(obj);
3796
7082ef16e6e2 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents: 3686
diff changeset
   387
  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   388
  Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   389
  return sym;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   392
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
   393
  typeArrayOop value  = java_lang_String::value(java_string);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   394
  int          offset = java_lang_String::offset(java_string);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   395
  int          length = java_lang_String::length(java_string);
3796
7082ef16e6e2 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents: 3686
diff changeset
   396
  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   397
  return SymbolTable::probe_unicode(base, length);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   398
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   399
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   400
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
int java_lang_String::utf8_length(oop java_string) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
  return UNICODE::utf8_length(position, length);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
char* java_lang_String::as_utf8_string(oop java_string) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
  return UNICODE::as_utf8(position, length);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
7414
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   417
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
   418
  typeArrayOop value  = java_lang_String::value(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   419
  int          offset = java_lang_String::offset(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   420
  int          length = java_lang_String::length(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   421
  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   422
  return UNICODE::as_utf8(position, length, buf, buflen);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   423
}
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   424
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
char* java_lang_String::as_utf8_string(oop java_string, int start, int len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
  assert(start + len <= length, "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  jchar* position = value->char_at_addr(offset + start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
  return UNICODE::as_utf8(position, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
24237
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   434
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
   435
  typeArrayOop value  = java_lang_String::value(java_string);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   436
  int          offset = java_lang_String::offset(java_string);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   437
  int          length = java_lang_String::length(java_string);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   438
  assert(start + len <= length, "just checking");
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   439
  jchar* position = value->char_at_addr(offset + start);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   440
  return UNICODE::as_utf8(position, len, buf, buflen);
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   441
}
7b210ef8c830 6664815: Eliminate redundant memcpy operation in jni_GetStringUTFRegion
mgerdin
parents: 23872
diff changeset
   442
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
14078
2b2b8833c422 7199068: NPG: SharedSkipVerify is meaningless
coleenp
parents: 13952
diff changeset
   444
  assert(java_string->klass() == SystemDictionary::String_klass(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
         "must be java_string");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
  if (length != len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  for (int i = 0; i < len; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
    if (value->char_at(i + offset) != chars[i]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
20053
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   460
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
   461
  assert(str1->klass() == SystemDictionary::String_klass(),
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   462
         "must be java String");
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   463
  assert(str2->klass() == SystemDictionary::String_klass(),
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   464
         "must be java String");
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   465
  typeArrayOop value1  = java_lang_String::value(str1);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   466
  int          offset1 = java_lang_String::offset(str1);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   467
  int          length1 = java_lang_String::length(str1);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   468
  typeArrayOop value2  = java_lang_String::value(str2);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   469
  int          offset2 = java_lang_String::offset(str2);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   470
  int          length2 = java_lang_String::length(str2);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   471
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   472
  if (length1 != length2) {
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   473
    return false;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   474
  }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   475
  for (int i = 0; i < length1; i++) {
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   476
    if (value1->char_at(i + offset1) != value2->char_at(i + offset2)) {
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   477
      return false;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   478
    }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   479
  }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   480
  return true;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   481
}
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   482
22907
f978a4a64728 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 22186
diff changeset
   483
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
   484
  assert(java_string->klass() == SystemDictionary::String_klass(), "must be java_string");
f978a4a64728 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 22186
diff changeset
   485
  typeArrayOop value  = java_lang_String::value(java_string);
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   486
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
  if (value == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
    // This can happen if, e.g., printing a String
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
    // object before its initializer has been called
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   490
    st->print("NULL");
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   491
    return;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
  }
23871
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   493
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   494
  int offset = java_lang_String::offset(java_string);
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   495
  int length = java_lang_String::length(java_string);
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   496
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   497
  st->print("\"");
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   498
  for (int index = 0; index < length; index++) {
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   499
    st->print("%c", value->char_at(index + offset));
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   500
  }
0456e228b90d 8039348: -XX:+TraceDeoptimization -XX:+Verbose -Xcomp can crash VM
mgronlun
parents: 22907
diff changeset
   501
  st->print("\"");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   504
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   505
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
   506
  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
   507
  if (fd->has_initial_value()) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   508
    BasicType t = fd->field_type();
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   509
    switch (t) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   510
      case T_BYTE:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   511
        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
   512
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   513
      case T_BOOLEAN:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   514
        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
   515
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   516
      case T_CHAR:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   517
        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
   518
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   519
      case T_SHORT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   520
        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
   521
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   522
      case T_INT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   523
        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
   524
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   525
      case T_FLOAT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   526
        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
   527
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   528
      case T_DOUBLE:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   529
        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
   530
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   531
      case T_LONG:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   532
        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
   533
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   534
      case T_OBJECT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   535
        {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   536
          #ifdef ASSERT
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   537
          TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK);
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   538
          assert(fd->signature() == sym, "just checking");
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   539
          #endif
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   540
          oop string = fd->string_initial_value(CHECK);
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   541
          mirror()->obj_field_put(fd->offset(), string);
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   542
        }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   543
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   544
      default:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   545
        THROW_MSG(vmSymbols::java_lang_ClassFormatError(),
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   546
                  "Illegal ConstantValue attribute in class file");
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   547
    }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   548
  }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   549
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   550
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   551
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   552
void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   553
  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
   554
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   555
  // 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
   556
  if (!k->is_shared()) {
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   557
    if (k->oop_is_instance()) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   558
      // 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
   559
      // 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
   560
      // update all the static field offsets to included the size.
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   561
        for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   562
        if (fs.access_flags().is_static()) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   563
          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
   564
          fs.set_offset(real_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   565
        }
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   566
      }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   567
    }
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   568
  }
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   569
  create_mirror(k, Handle(NULL), Handle(NULL), CHECK);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   570
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   572
void java_lang_Class::initialize_mirror_fields(KlassHandle k,
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   573
                                               Handle mirror,
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   574
                                               Handle protection_domain,
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   575
                                               TRAPS) {
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   576
  // Allocate a simple java object for a lock.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   577
  // 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
   578
  // it can be held across a java call.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   579
  typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   580
  set_init_lock(mirror(), r);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   581
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   582
  // Set protection domain also
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   583
  set_protection_domain(mirror(), protection_domain());
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   584
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   585
  // Initialize static fields
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   586
  InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, mirror, CHECK);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   587
}
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   588
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   589
void java_lang_Class::create_mirror(KlassHandle k, Handle class_loader,
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   590
                                    Handle protection_domain, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
  assert(k->java_mirror() == NULL, "should only assign mirror once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
  // Use this moment of initialization to cache modifier_flags also,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
  // to support Class.getModifiers().  Instance classes recalculate
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
  // the cached flags after the class file is parsed, but before the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
  // class is put into the system dictionary.
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   596
  int computed_modifiers = k->compute_modifier_flags(CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
  k->set_modifier_flags(computed_modifiers);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   598
  // 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
   599
  // the mirror.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   600
  if (SystemDictionary::Class_klass_loaded()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
    // Allocate mirror (java.lang.Class instance)
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   602
    Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   603
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   604
    // Setup indirection from mirror->klass
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   605
    if (!k.is_null()) {
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   606
      java_lang_Class::set_klass(mirror(), k());
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   607
    }
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   608
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   609
    InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass());
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   610
    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
   611
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   612
    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
   613
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
    // It might also have a component mirror.  This mirror must already exist.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   615
    if (k->oop_is_array()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
      Handle comp_mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
      if (k->oop_is_typeArray()) {
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
   618
        BasicType type = TypeArrayKlass::cast(k())->element_type();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
        comp_mirror = Universe::java_mirror(type);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   620
      } else {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   621
        assert(k->oop_is_objArray(), "Must be");
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
   622
        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
   623
        assert(element_klass != NULL, "Must have an element klass");
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   624
        comp_mirror = element_klass->java_mirror();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   626
      assert(comp_mirror.not_null(), "must have a mirror");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   627
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   628
      // 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
   629
      // (array_klass) k -> mirror -> component_mirror -> array_klass -> k
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   630
      set_component_mirror(mirror(), comp_mirror());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   631
      set_array_klass(comp_mirror(), k());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   632
    } else {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   633
      assert(k->oop_is_instance(), "Must be");
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   634
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   635
      initialize_mirror_fields(k, mirror, protection_domain, THREAD);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   636
      if (HAS_PENDING_EXCEPTION) {
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   637
        // 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
   638
        // 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
   639
        // 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
   640
        // it represents no class.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   641
        java_lang_Class::set_klass(mirror(), NULL);
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   642
        return;
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   643
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
    }
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   645
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   646
    // set the classLoader field in the java_lang_Class instance
26927
b9bd979b7d75 8058927: ATG throws ClassNotFoundException
coleenp
parents: 26412
diff changeset
   647
    assert(class_loader() == k->class_loader(), "should be same");
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   648
    set_class_loader(mirror(), class_loader());
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   649
23872
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   650
    // Setup indirection from klass->mirror last
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   651
    // after any exceptions can happen during allocations.
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   652
    if (!k.is_null()) {
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   653
      k->set_java_mirror(mirror());
536c66fc43d3 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 23871
diff changeset
   654
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   656
    if (fixup_mirror_list() == NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   657
      GrowableArray<Klass*>* list =
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   658
       new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   659
      set_fixup_mirror_list(list);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   660
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   661
    fixup_mirror_list()->push(k());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   666
int  java_lang_Class::oop_size(oop java_class) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   667
  assert(_oop_size_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   668
  return java_class->int_field(_oop_size_offset);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   669
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   670
void java_lang_Class::set_oop_size(oop java_class, int size) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   671
  assert(_oop_size_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   672
  java_class->int_field_put(_oop_size_offset, size);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   673
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   674
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
   675
  assert(_static_oop_field_count_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   676
  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
   677
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   678
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
   679
  assert(_static_oop_field_count_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   680
  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
   681
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   682
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   683
oop java_lang_Class::protection_domain(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   684
  assert(_protection_domain_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   685
  return java_class->obj_field(_protection_domain_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   686
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   687
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
   688
  assert(_protection_domain_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   689
  java_class->obj_field_put(_protection_domain_offset, pd);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   690
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   691
25465
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   692
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
   693
  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
   694
    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
   695
  }
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   696
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
   697
  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
   698
  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
   699
}
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   700
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   701
oop java_lang_Class::init_lock(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   702
  assert(_init_lock_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   703
  return java_class->obj_field(_init_lock_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   704
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   705
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
   706
  assert(_init_lock_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   707
  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
   708
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   709
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   710
objArrayOop java_lang_Class::signers(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   711
  assert(_signers_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   712
  return (objArrayOop)java_class->obj_field(_signers_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   713
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   714
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
   715
  assert(_signers_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   716
  java_class->obj_field_put(_signers_offset, (oop)signers);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   717
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   718
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   719
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   720
void java_lang_Class::set_class_loader(oop java_class, oop loader) {
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   721
  // 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
   722
  if (_class_loader_offset != 0) {
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   723
    java_class->obj_field_put(_class_loader_offset, loader);
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   724
  }
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   725
}
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   726
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   727
oop java_lang_Class::class_loader(oop java_class) {
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   728
  assert(_class_loader_offset != 0, "must be set");
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   729
  return java_class->obj_field(_class_loader_offset);
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   730
}
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   731
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   732
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
  // This should be improved by adding a field at the Java level or by
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
  // introducing a new VM klass (see comment in ClassFileParser)
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   735
  oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
  if (type != T_VOID) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   737
    Klass* aklass = Universe::typeArrayKlassObj(type);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
    assert(aklass != NULL, "correct bootstrap");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
    set_array_klass(java_class, aklass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
  }
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   741
#ifdef ASSERT
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   742
  InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass());
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   743
  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
   744
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
  return java_class;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   749
Klass* java_lang_Class::as_Klass(oop java_class) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
  //%note memory_2
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   751
  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
   752
  Klass* k = ((Klass*)java_class->metadata_field(_klass_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
  assert(k == NULL || k->is_klass(), "type check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   756
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   758
void java_lang_Class::set_klass(oop java_class, Klass* klass) {
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   759
  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
   760
  java_class->metadata_field_put(_klass_offset, klass);
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   761
}
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   762
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   763
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   764
void java_lang_Class::print_signature(oop java_class, outputStream* st) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   765
  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
   766
  Symbol* name = NULL;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   767
  bool is_instance = false;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   768
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   769
    name = vmSymbols::type_signature(primitive_type(java_class));
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   770
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   771
    Klass* k = as_Klass(java_class);
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   772
    is_instance = k->oop_is_instance();
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   773
    name = k->name();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   774
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   775
  if (name == NULL) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   776
    st->print("<null>");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   777
    return;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   778
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   779
  if (is_instance)  st->print("L");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   780
  st->write((char*) name->base(), (int) name->utf8_length());
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   781
  if (is_instance)  st->print(";");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   782
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   783
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   784
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
   785
  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
   786
  Symbol* name;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   787
  if (is_primitive(java_class)) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   788
    name = vmSymbols::type_signature(primitive_type(java_class));
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   789
    // 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
   790
    // 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
   791
    // 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
   792
    name->increment_refcount();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   793
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   794
    Klass* k = as_Klass(java_class);
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   795
    if (!k->oop_is_instance()) {
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   796
      name = k->name();
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   797
      name->increment_refcount();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   798
    } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   799
      ResourceMark rm;
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   800
      const char* sigstr = k->signature_name();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   801
      int         siglen = (int) strlen(sigstr);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   802
      if (!intern_if_not_found) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   803
        name = SymbolTable::probe(sigstr, siglen);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   804
      } else {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   805
        name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   806
      }
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   807
    }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   808
  }
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   809
  return name;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   810
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   811
31970
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   812
// 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
   813
// 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
   814
// 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
   815
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
   816
  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
   817
  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
   818
  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
   819
    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
   820
  } else {
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   821
    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
   822
  }
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   823
  if (name == NULL) {
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   824
    name = "<null>";
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   825
  }
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   826
  return name;
4bb8e8a13f6a 8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked
vkempik
parents: 31587
diff changeset
   827
}
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   828
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   829
Klass* java_lang_Class::array_klass(oop java_class) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   830
  Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   831
  assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   836
void java_lang_Class::set_array_klass(oop java_class, Klass* klass) {
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   837
  assert(klass->is_klass() && klass->oop_is_array(), "should be array klass");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   838
  java_class->metadata_field_put(_array_klass_offset, klass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
bool java_lang_Class::is_primitive(oop java_class) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   843
  // should assert:
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   844
  //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
   845
  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
   846
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   847
#ifdef ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   848
  if (is_primitive) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   849
    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
   850
    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
   851
        "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
   852
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   853
#endif
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   854
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   855
  return is_primitive;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
BasicType java_lang_Class::primitive_type(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
  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
   861
  Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
  BasicType type = T_VOID;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
  if (ak != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
    // 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
   865
    type = ArrayKlass::cast(ak)->element_type();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
    assert(java_class == Universe::void_mirror(), "only valid non-array primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
  assert(Universe::java_mirror(type) == java_class, "must be consistent");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
  return type;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   873
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
   874
  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
   875
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   876
    if (reference_klass != NULL)
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   877
      (*reference_klass) = NULL;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   878
    return primitive_type(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   879
  } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   880
    if (reference_klass != NULL)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   881
      (*reference_klass) = as_Klass(java_class);
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   882
    return T_OBJECT;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   883
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   884
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   885
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
oop java_lang_Class::primitive_mirror(BasicType t) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
  oop mirror = Universe::java_mirror(t);
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   889
  assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
  assert(java_lang_Class::is_primitive(mirror), "must be primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
  return mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
bool java_lang_Class::offsets_computed = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
int  java_lang_Class::classRedefinedCount_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
void java_lang_Class::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
  assert(!offsets_computed, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
  offsets_computed = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
   901
  Klass* k = SystemDictionary::Class_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
  // The classRedefinedCount field is only present starting in 1.5,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
  // so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   904
  compute_optional_offset(classRedefinedCount_offset,
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
   905
                          k, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature());
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   906
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   907
  // Needs to be optional because the old build runs Queens during bootstrapping
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   908
  // and jdk8-9 doesn't have coordinated pushes yet.
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   909
  compute_optional_offset(_class_loader_offset,
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
   910
                 k, vmSymbols::classLoader_name(),
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   911
                 vmSymbols::classloader_signature());
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
   912
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
   913
  compute_offset(_component_mirror_offset,
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
   914
                 k, vmSymbols::componentType_name(),
25465
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   915
                 vmSymbols::class_signature());
17a6bddcfa5d 8047737: Move array component mirror to instance of java/lang/Class
coleenp
parents: 25326
diff changeset
   916
26412
80741eb33ba2 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents: 25714
diff changeset
   917
  // 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
   918
  // 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
   919
  // 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
   920
  _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
   921
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   922
  CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
int java_lang_Class::classRedefinedCount(oop the_class_mirror) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
   926
  if (classRedefinedCount_offset == -1) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
    // If we don't have an offset for it then just return -1 as a marker.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
  return the_class_mirror->int_field(classRedefinedCount_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
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
   935
  if (classRedefinedCount_offset == -1) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
    // If we don't have an offset for it then nothing to set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
  the_class_mirror->int_field_put(classRedefinedCount_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
// Note: JDK1.1 and before had a privateInfo_offset field which was used for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
//       platform thread structure, and a eetop offset which was used for thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
//       local storage (and unused by the HotSpot VM). In JDK1.2 the two structures
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
//       merged, so in the HotSpot VM we just use the eetop field for the thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
//       instead of the privateInfo_offset.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
// Note: The stackSize field is only present starting in 1.4.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
int java_lang_Thread::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
int java_lang_Thread::_group_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
int java_lang_Thread::_contextClassLoader_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
int java_lang_Thread::_inheritedAccessControlContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
int java_lang_Thread::_priority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
int java_lang_Thread::_eetop_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
int java_lang_Thread::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
int java_lang_Thread::_stillborn_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
int java_lang_Thread::_stackSize_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
int java_lang_Thread::_tid_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
int java_lang_Thread::_thread_status_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
int java_lang_Thread::_park_blocker_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
int java_lang_Thread::_park_event_offset = 0 ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
void java_lang_Thread::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  assert(_group_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   970
  Klass* k = SystemDictionary::Thread_klass();
27654
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
   971
  compute_offset(_name_offset,      k, vmSymbols::name_name(),      vmSymbols::string_signature());
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   972
  compute_offset(_group_offset,     k, vmSymbols::group_name(),     vmSymbols::threadgroup_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   973
  compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   974
  compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   975
  compute_offset(_priority_offset,  k, vmSymbols::priority_name(),  vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   976
  compute_offset(_daemon_offset,    k, vmSymbols::daemon_name(),    vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   977
  compute_offset(_eetop_offset,     k, vmSymbols::eetop_name(),     vmSymbols::long_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   978
  compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
  // The stackSize field is only present starting in 1.4, so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   980
  compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
  // The tid and thread_status fields are only present starting in 1.5, so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   982
  compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   983
  compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
  // The parkBlocker field is only present starting in 1.6, so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   985
  compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   986
  compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
 vmSymbols::long_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
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
   992
  return (JavaThread*)java_thread->address_field(_eetop_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
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
   997
  java_thread->address_field_put(_eetop_offset, (address)thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
27654
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1001
oop java_lang_Thread::name(oop java_thread) {
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1002
  return java_thread->obj_field(_name_offset);
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1003
}
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1004
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1005
4e508c2376f7 8059677: Thread.getName() instantiates Strings
shade
parents: 26927
diff changeset
  1006
void java_lang_Thread::set_name(oop java_thread, oop name) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
  java_thread->obj_field_put(_name_offset, name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
ThreadPriority java_lang_Thread::priority(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
  return (ThreadPriority)java_thread->int_field(_priority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
  java_thread->int_field_put(_priority_offset, priority);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
oop java_lang_Thread::threadGroup(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
  return java_thread->obj_field(_group_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1024
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
bool java_lang_Thread::is_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1027
  return java_thread->bool_field(_stillborn_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
// We never have reason to turn the stillborn bit off
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
void java_lang_Thread::set_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
  java_thread->bool_field_put(_stillborn_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
bool java_lang_Thread::is_alive(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
  JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
  return (thr != NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
bool java_lang_Thread::is_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
  return java_thread->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
void java_lang_Thread::set_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
  java_thread->bool_field_put(_daemon_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
oop java_lang_Thread::context_class_loader(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
  return java_thread->obj_field(_contextClassLoader_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
oop java_lang_Thread::inherited_access_control_context(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
  return java_thread->obj_field(_inheritedAccessControlContext_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
jlong java_lang_Thread::stackSize(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
  if (_stackSize_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
    return java_thread->long_field(_stackSize_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
// Write the thread status value to threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
void java_lang_Thread::set_thread_status(oop java_thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
                                         java_lang_Thread::ThreadStatus status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
    java_thread->int_field_put(_thread_status_offset, status);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
// Read thread status value from threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) {
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17826
diff changeset
  1080
  assert(Thread::current()->is_Watcher_thread() || Thread::current()->is_VM_thread() ||
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
         JavaThread::current()->thread_state() == _thread_in_vm,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
         "Java Thread is not running in vm");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
    return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1086
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
    // All we can easily figure out is if it is alive, but that is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1088
    // enough info for a valid unknown status.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1089
    // These aren't restricted to valid set ThreadStatus values, so
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
    // use JVMTI values and cast.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
    JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
    if (thr == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
      // the thread hasn't run yet or is in the process of exiting
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
      return NEW;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
    return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
jlong java_lang_Thread::thread_id(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
  // The thread ID field is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
  if (_tid_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
    return java_thread->long_field(_tid_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
oop java_lang_Thread::park_blocker(oop java_thread) {
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
  1111
  assert(JDK_Version::current().supports_thread_park_blocker() &&
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
  1112
         _park_blocker_offset != 0, "Must support parkBlocker field");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
  if (_park_blocker_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
    return java_thread->obj_field(_park_blocker_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
jlong java_lang_Thread::park_event(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
    return java_thread->long_field(_park_event_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
  return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
    java_thread->long_field_put(_park_event_offset, ptr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
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
  1138
  assert(_thread_status_offset != 0, "Must have thread status");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
  ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
  switch (status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1141
    case NEW                      : return "NEW";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
    case RUNNABLE                 : return "RUNNABLE";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
    case SLEEPING                 : return "TIMED_WAITING (sleeping)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
    case IN_OBJECT_WAIT           : return "WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
    case IN_OBJECT_WAIT_TIMED     : return "TIMED_WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
    case PARKED                   : return "WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
    case PARKED_TIMED             : return "TIMED_WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1148
    case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
    case TERMINATED               : return "TERMINATED";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
    default                       : return "UNKNOWN";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
int java_lang_ThreadGroup::_parent_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
int java_lang_ThreadGroup::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
int java_lang_ThreadGroup::_threads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
int java_lang_ThreadGroup::_groups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
int java_lang_ThreadGroup::_maxPriority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
int java_lang_ThreadGroup::_destroyed_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
int java_lang_ThreadGroup::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
int java_lang_ThreadGroup::_nthreads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
int java_lang_ThreadGroup::_ngroups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1164
oop  java_lang_ThreadGroup::parent(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
  return java_thread_group->obj_field(_parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
// ("name as oop" accessor is not necessary)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
  oop name = java_thread_group->obj_field(_name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
  // ThreadGroup.name can be null
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
  return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
int java_lang_ThreadGroup::nthreads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1179
  return java_thread_group->int_field(_nthreads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
  oop threads = java_thread_group->obj_field(_threads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
  assert(threads != NULL, "threadgroups should have threads");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
  assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
  return objArrayOop(threads);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
int java_lang_ThreadGroup::ngroups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1191
  return java_thread_group->int_field(_ngroups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
  oop groups = java_thread_group->obj_field(_groups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
  assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
  return objArrayOop(groups);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
  return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1206
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
  return java_thread_group->bool_field(_destroyed_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1212
  return java_thread_group->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1213
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1215
bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
  return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
void java_lang_ThreadGroup::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
  assert(_parent_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1223
  Klass* k = SystemDictionary::ThreadGroup_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1225
  compute_offset(_parent_offset,      k, vmSymbols::parent_name(),      vmSymbols::threadgroup_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1226
  compute_offset(_name_offset,        k, vmSymbols::name_name(),        vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1227
  compute_offset(_threads_offset,     k, vmSymbols::threads_name(),     vmSymbols::thread_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1228
  compute_offset(_groups_offset,      k, vmSymbols::groups_name(),      vmSymbols::threadgroup_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1229
  compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1230
  compute_offset(_destroyed_offset,   k, vmSymbols::destroyed_name(),   vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1231
  compute_offset(_daemon_offset,      k, vmSymbols::daemon_name(),      vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1232
  compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1233
  compute_offset(_nthreads_offset,    k, vmSymbols::nthreads_name(),    vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1234
  compute_offset(_ngroups_offset,     k, vmSymbols::ngroups_name(),     vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1236
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1237
oop java_lang_Throwable::unassigned_stacktrace() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1238
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass());
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1239
  address addr = ik->static_field_addr(static_unassigned_stacktrace_offset);
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1240
  if (UseCompressedOops) {
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1241
    return oopDesc::load_decode_heap_oop((narrowOop *)addr);
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1242
  } else {
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1243
    return oopDesc::load_decode_heap_oop((oop*)addr);
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1244
  }
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1245
}
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1246
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
oop java_lang_Throwable::backtrace(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
  return throwable->obj_field_acquire(backtrace_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
void java_lang_Throwable::set_backtrace(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
  throwable->release_obj_field_put(backtrace_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
oop java_lang_Throwable::message(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
oop java_lang_Throwable::message(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
25624
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1267
// Return Symbol for detailed_message or NULL
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1268
Symbol* java_lang_Throwable::detail_message(oop throwable) {
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1269
  PRESERVE_EXCEPTION_MARK;  // Keep original exception
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1270
  oop detailed_message = java_lang_Throwable::message(throwable);
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1271
  if (detailed_message != NULL) {
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1272
    return java_lang_String::as_symbol(detailed_message, THREAD);
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1273
  }
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1274
  return NULL;
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1275
}
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25465
diff changeset
  1276
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
void java_lang_Throwable::set_message(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
  throwable->obj_field_put(detailMessage_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1279
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1282
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
  1283
  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
  1284
}
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1285
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
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
  1287
  set_stacktrace(throwable, NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
void java_lang_Throwable::print(oop throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1293
  Klass* k = throwable->klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
  assert(k != NULL, "just checking");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1295
  st->print("%s", InstanceKlass::cast(k)->external_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
void java_lang_Throwable::print(Handle throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1305
  Klass* k = throwable->klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
  assert(k != NULL, "just checking");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1307
  st->print("%s", InstanceKlass::cast(k)->external_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1314
// After this many redefines, the stack trace is unreliable.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1315
const int MAX_VERSION = USHRT_MAX;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1316
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1317
// Helper backtrace functions to store bci|version together.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1318
static inline int merge_bci_and_version(int bci, int version) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1319
  // only store u2 for version, checking for overflow.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1320
  if (version > USHRT_MAX || version < 0) version = MAX_VERSION;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1321
  assert((jushort)bci == bci, "bci should be short");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1322
  return build_int_from_shorts(version, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1323
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1324
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1325
static inline int bci_at(unsigned int merged) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1326
  return extract_high_short_from_int(merged);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1327
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1328
static inline int version_at(unsigned int merged) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1329
  return extract_low_short_from_int(merged);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1330
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1331
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1332
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
  1333
  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
  1334
  return method != NULL && (method->constants()->version() == version);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1335
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1336
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1337
static inline int get_line_number(Method* method, int bci) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1338
  int line_number = 0;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1339
  if (method->is_native()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1340
    // Negative value different from -1 below, enabling Java code in
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1341
    // class java.lang.StackTraceElement to distinguish "native" from
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1342
    // "no LineNumberTable".  JDK tests for -2.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1343
    line_number = -2;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
  } else {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1345
    // Returns -1 if no LineNumberTable, and otherwise actual line number
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1346
    line_number = method->line_number_from_bci(bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1347
    if (line_number == -1 && ShowHiddenFrames) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1348
      line_number = bci + 1000000;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1351
  return line_number;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
// This class provides a simple wrapper over the internal structure of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
// exception backtrace to insulate users of the backtrace from needing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
// to know what it looks like.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
class BacktraceBuilder: public StackObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
  Handle          _backtrace;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
  objArrayOop     _head;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1361
  typeArrayOop    _methods;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
  typeArrayOop    _bcis;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1363
  objArrayOop     _mirrors;
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1364
  typeArrayOop    _cprefs; // needed to insulate method name against redefinition
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
  int             _index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  No_Safepoint_Verifier _nsv;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
    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
  1372
    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
  1373
    trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset,
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1374
    trace_cprefs_offset  = java_lang_Throwable::trace_cprefs_offset,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
    trace_next_offset    = java_lang_Throwable::trace_next_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
    trace_size           = java_lang_Throwable::trace_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
    trace_chunk_size     = java_lang_Throwable::trace_chunk_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1380
  // get info out of chunks
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1381
  static typeArrayOop get_methods(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1382
    typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1383
    assert(methods != NULL, "method array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1384
    return methods;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1385
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1386
  static typeArrayOop get_bcis(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1387
    typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1388
    assert(bcis != NULL, "bci array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1389
    return bcis;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1390
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1391
  static objArrayOop get_mirrors(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1392
    objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1393
    assert(mirrors != NULL, "mirror array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1394
    return mirrors;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1395
  }
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1396
  static typeArrayOop get_cprefs(objArrayHandle chunk) {
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1397
    typeArrayOop cprefs = typeArrayOop(chunk->obj_at(trace_cprefs_offset));
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1398
    assert(cprefs != NULL, "cprefs array should be initialized in backtrace");
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1399
    return cprefs;
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1400
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1401
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
  // constructor for new backtrace
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1403
  BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL), _cprefs(NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
    expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
    _backtrace = _head;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1409
  BacktraceBuilder(objArrayHandle backtrace) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1410
    _methods = get_methods(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1411
    _bcis = get_bcis(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1412
    _mirrors = get_mirrors(backtrace);
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1413
    _cprefs = get_cprefs(backtrace);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1414
    assert(_methods->length() == _bcis->length() &&
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1415
           _methods->length() == _mirrors->length(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1416
           "method and source information arrays should match");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1417
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1418
    // head is the preallocated backtrace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1419
    _backtrace = _head = backtrace();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1420
    _index = 0;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1421
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1422
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
  void expand(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
    objArrayHandle old_head(THREAD, _head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
    Pause_No_Safepoint_Verifier pnsv(&_nsv);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
    objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
    objArrayHandle new_head(THREAD, head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1430
    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
  1431
    typeArrayHandle new_methods(THREAD, methods);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1433
    typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
    typeArrayHandle new_bcis(THREAD, bcis);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1436
    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
  1437
    objArrayHandle new_mirrors(THREAD, mirrors);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1438
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1439
    typeArrayOop cprefs = oopFactory::new_shortArray(trace_chunk_size, CHECK);
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1440
    typeArrayHandle new_cprefs(THREAD, cprefs);
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1441
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
    if (!old_head.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
      old_head->obj_at_put(trace_next_offset, new_head());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
    new_head->obj_at_put(trace_methods_offset, new_methods());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
    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
  1447
    new_head->obj_at_put(trace_mirrors_offset, new_mirrors());
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1448
    new_head->obj_at_put(trace_cprefs_offset, new_cprefs());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
    _head    = new_head();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
    _methods = new_methods();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1452
    _bcis = new_bcis();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1453
    _mirrors = new_mirrors();
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1454
    _cprefs  = new_cprefs();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
  oop backtrace() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
    return _backtrace();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1462
  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
  1463
    // 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
  1464
    // 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
  1465
    // 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
  1466
    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
  1467
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
    if (_index >= trace_chunk_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
      methodHandle mhandle(THREAD, method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
      expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
      method = mhandle();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1474
    _methods->short_at_put(_index, method->orig_method_idnum());
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1475
    _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version()));
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1476
    _cprefs->short_at_put(_index, method->name_index());
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1477
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1478
    // 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
  1479
    // from being unloaded while we still have this stack trace.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1480
    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
  1481
    _mirrors->obj_at_put(_index, method->method_holder()->java_mirror());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
    _index++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1485
};
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1486
31985
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1487
Symbol* get_source_file_name(InstanceKlass* holder, int version) {
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1488
  // Find the specific ik version that contains this source_file_name_index
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1489
  // via the previous versions list, but use the current version's
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1490
  // constant pool to look it up.  The previous version's index has been
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1491
  // merged for the current constant pool.
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1492
  InstanceKlass* ik = holder->get_klass_version(version);
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1493
  // This version has been cleaned up.
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1494
  if (ik == NULL) return NULL;
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1495
  int source_file_name_index = ik->source_file_name_index();
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1496
  return (source_file_name_index == 0) ?
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1497
      (Symbol*)NULL : holder->constants()->symbol_at(source_file_name_index);
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1498
}
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1499
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1500
// Print stack trace element to resource allocated buffer
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1501
char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror,
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1502
                                  int method_id, int version, int bci, int cpref) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1503
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1504
  // Get strings and string lengths
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1505
  InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1506
  const char* klass_name  = holder->external_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1507
  int buf_len = (int)strlen(klass_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1508
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1509
  Method* method = holder->method_with_orig_idnum(method_id, version);
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1510
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1511
  // The method can be NULL if the requested class version is gone
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1512
  Symbol* sym = (method != NULL) ? method->name() : holder->constants()->symbol_at(cpref);
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1513
  char* method_name = sym->as_C_string();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1514
  buf_len += (int)strlen(method_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1515
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1516
  char* source_file_name = NULL;
31985
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1517
  Symbol* source = get_source_file_name(holder, version);
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1518
  if (source != NULL) {
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1519
    source_file_name = source->as_C_string();
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1520
    buf_len += (int)strlen(source_file_name);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1521
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1522
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1523
  // 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
  1524
  char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1525
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1526
  // Print stack trace line in buffer
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1527
  sprintf(buf, "\tat %s.%s", klass_name, method_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1528
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1529
  if (!version_matches(method, version)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1530
    strcat(buf, "(Redefined)");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1531
  } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1532
    int line_number = get_line_number(method, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1533
    if (line_number == -2) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1534
      strcat(buf, "(Native Method)");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1535
    } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1536
      if (source_file_name != NULL && (line_number != -1)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1537
        // Sourcename and linenumber
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1538
        sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1539
      } else if (source_file_name != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1540
        // Just sourcename
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1541
        sprintf(buf + (int)strlen(buf), "(%s)", source_file_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1542
      } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1543
        // Neither sourcename nor linenumber
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1544
        sprintf(buf + (int)strlen(buf), "(Unknown Source)");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1545
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1546
      nmethod* nm = method->code();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1547
      if (WizardMode && nm != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1548
        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
  1549
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1550
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1552
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1553
  return buf;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1554
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1555
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1556
void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror,
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1557
                                              int method_id, int version, int bci, int cpref) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1558
  ResourceMark rm;
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1559
  char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci, cpref);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1560
  st->print_cr("%s", buf);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1561
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1562
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1563
void java_lang_Throwable::print_stack_element(outputStream *st, methodHandle method, int bci) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1564
  Handle mirror = method->method_holder()->java_mirror();
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1565
  int method_id = method->orig_method_idnum();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1566
  int version = method->constants()->version();
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1567
  int cpref = method->name_index();
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1568
  print_stack_element(st, mirror, method_id, version, bci, cpref);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1569
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1570
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1571
const char* java_lang_Throwable::no_stack_trace_message() {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1572
  return "\t<<no stack trace available>>";
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1573
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1574
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1575
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1576
// Currently used only for exceptions occurring during startup
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1577
void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1578
  Thread *THREAD = Thread::current();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1579
  Handle h_throwable(THREAD, throwable);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1580
  while (h_throwable.not_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1581
    objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable())));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1582
    if (result.is_null()) {
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 24330
diff changeset
  1583
      st->print_cr("%s", no_stack_trace_message());
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1584
      return;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1585
    }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1586
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1587
    while (result.not_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1588
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1589
      // Get method id, bci, version and mirror from chunk
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1590
      typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1591
      typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1592
      objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result));
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1593
      typeArrayHandle cprefs (THREAD, BacktraceBuilder::get_cprefs(result));
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1594
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1595
      int length = methods()->length();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1596
      for (int index = 0; index < length; index++) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1597
        Handle mirror(THREAD, mirrors->obj_at(index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1598
        // NULL mirror means end of stack trace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1599
        if (mirror.is_null()) goto handle_cause;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1600
        int method = methods->short_at(index);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1601
        int version = version_at(bcis->int_at(index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1602
        int bci = bci_at(bcis->int_at(index));
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1603
        int cpref = cprefs->short_at(index);
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1604
        print_stack_element(st, mirror, method, version, bci, cpref);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1605
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1606
      result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset)));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1607
    }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1608
  handle_cause:
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1609
    {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1610
      EXCEPTION_MARK;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1611
      JavaValue cause(T_OBJECT);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1612
      JavaCalls::call_virtual(&cause,
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1613
                              h_throwable,
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1614
                              KlassHandle(THREAD, h_throwable->klass()),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1615
                              vmSymbols::getCause_name(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1616
                              vmSymbols::void_throwable_signature(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1617
                              THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1618
      // 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
  1619
      if (HAS_PENDING_EXCEPTION) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1620
        CLEAR_PENDING_EXCEPTION;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1621
        h_throwable = Handle();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1622
      } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1623
        h_throwable = Handle(THREAD, (oop) cause.get_jobject());
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1624
        if (h_throwable.not_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1625
          st->print("Caused by: ");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1626
          print(h_throwable, st);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1627
          st->cr();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1628
        }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1629
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1630
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1632
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1633
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1634
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1635
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
  // Start out by clearing the backtrace for this object, in case the VM
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
  // runs out of memory while allocating the stack trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1640
  set_backtrace(throwable(), NULL);
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1641
  // Clear lazily constructed Java level stacktrace if refilling occurs
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1642
  // This is unnecessary in 1.7+ but harmless
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1643
  clear_stacktrace(throwable());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
  int max_depth = MaxJavaStackTraceDepth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
  JavaThread* thread = (JavaThread*)THREAD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
  BacktraceBuilder bt(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1649
  // 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
  1650
  // with bci 0
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1651
  if (!thread->has_last_Java_frame()) {
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1652
    if (max_depth >= 1 && method() != NULL) {
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1653
      bt.push(method(), 0, CHECK);
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1654
      set_backtrace(throwable(), bt.backtrace());
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1655
    }
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1656
    return;
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1657
  }
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1658
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1659
  // Instead of using vframe directly, this version of fill_in_stack_trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1660
  // basically handles everything by hand. This significantly improved the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1661
  // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1662
  // See bug 6333838 for  more details.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
  // The "ASSERT" here is to verify this method generates the exactly same stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
  // trace as utilizing vframe.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1665
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
  vframeStream st(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1667
  methodHandle st_method(THREAD, st.method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1669
  int total_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1670
  RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
  int decode_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
  nmethod* nm = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
  bool skip_fillInStackTrace_check = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
  bool skip_throwableInit_check = false;
13392
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1675
  bool skip_hidden = !ShowHiddenFrames;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
  for (frame fr = thread->last_frame(); max_depth != total_count;) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1678
    Method* method = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
    int bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
    // Compiled java method case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
    if (decode_offset != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
      DebugInfoReadStream stream(nm, decode_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
      decode_offset = stream.read_int();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1685
      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
  1686
      bci = stream.read_bci();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
      if (fr.is_first_frame()) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
      address pc = fr.pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
      if (fr.is_interpreted_frame()) {
25714
87fa6860b5ae 8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents: 25624
diff changeset
  1691
        address bcp = fr.interpreter_frame_bcp();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
        method = fr.interpreter_frame_method();
25714
87fa6860b5ae 8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents: 25624
diff changeset
  1693
        bci =  method->bci_from(bcp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
        CodeBlob* cb = fr.cb();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
        // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
        // but non nmethod
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
        if (cb == NULL || !cb->is_nmethod()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
        nm = (nmethod*)cb;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
        if (nm->method()->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
          method = nm->method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
          bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
          PcDesc* pd = nm->pc_desc_at(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
          decode_offset = pd->scope_decode_offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
          // if decode_offset is not equal to 0, it will execute the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1711
          // "compiled java method case" at the beginning of the loop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1713
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1715
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
#ifdef ASSERT
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1717
    assert(st_method() == method && st.bci() == bci,
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1718
           "Wrong stack trace");
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1719
    st.next();
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1720
    // 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
  1721
    // of the Method* in case we GC.
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1722
    if (!st.at_end()) {
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1723
      st_method = st.method();
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1724
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
#endif
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1726
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1727
    // the format of the stacktrace will be:
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1728
    // - 1 or more fillInStackTrace frames for the exception class (skipped)
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1729
    // - 0 or more <init> methods for the exception class (skipped)
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1730
    // - rest of the stack
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1731
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
    if (!skip_fillInStackTrace_check) {
31587
e48945b7849c 8076112: Add @HotSpotIntrinsicCandidate annotation to indicate methods for which Java Runtime has intrinsics
zmajo
parents: 31046
diff changeset
  1733
      if (method->name() == vmSymbols::fillInStackTrace_name() &&
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1734
          throwable->is_a(method->method_holder())) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
      }
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1737
      else {
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1738
        skip_fillInStackTrace_check = true; // gone past them all
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1739
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
    if (!skip_throwableInit_check) {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1742
      assert(skip_fillInStackTrace_check, "logic error in backtrace filtering");
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1743
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1744
      // skip <init> methods of the exception class and superclasses
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1745
      // This is simlar to classic VM.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
      if (method->name() == vmSymbols::object_initializer_name() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
          throwable->is_a(method->method_holder())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
      } else {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1750
        // there are none or we've seen them all - either way stop checking
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
        skip_throwableInit_check = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  1754
    if (method->is_hidden()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  1755
      if (skip_hidden)  continue;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  1756
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
    bt.push(method, bci, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
    total_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
  // Put completed stack trace into throwable object
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
  set_backtrace(throwable(), bt.backtrace());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1765
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
  if (!StackTraceInThrowable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
  // Disable stack traces for some preallocated out of memory errors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
  if (!Universe::should_fill_in_stack_trace(throwable)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
  PRESERVE_EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
  JavaThread* thread = JavaThread::active();
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1779
  fill_in_stack_trace(throwable, method, thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
  // ignore exceptions thrown during stack trace filling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
  CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
  // Allocate stack trace - backtrace is created but not filled in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
  if (!StackTraceInThrowable) return;
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1789
  BacktraceBuilder bt(CHECK);   // creates a backtrace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1790
  set_backtrace(throwable(), bt.backtrace());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
  // Fill in stack trace into preallocated backtrace (no GC)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1800
  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1801
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1802
  JavaThread* THREAD = JavaThread::current();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1803
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1804
  objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1805
  assert(backtrace.not_null(), "backtrace should have been preallocated");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1806
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1807
  ResourceMark rm(THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1808
  vframeStream st(THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1809
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1810
  BacktraceBuilder bt(backtrace);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
  // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
  // methods as preallocated errors aren't created by "java" code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
  // fill in as much stack trace as possible
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1816
  typeArrayOop methods = BacktraceBuilder::get_methods(backtrace);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
  int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
  int chunk_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
  for (;!st.at_end(); st.next()) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1821
    bt.push(st.method(), st.bci(), CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
    chunk_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
    // Bail-out for deep stacks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
    if (chunk_count >= max_chunks) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
  }
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1827
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1828
  // We support the Throwable immutability protocol defined for Java 7.
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1829
  java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace());
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  1830
  assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
  if (throwable == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1836
    THROW_0(vmSymbols::java_lang_NullPointerException());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1838
  objArrayOop chunk = objArrayOop(backtrace(throwable));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1839
  int depth = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1840
  if (chunk != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
    // Iterate over chunks and count full ones
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
    while (true) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1843
      objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
      if (next == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
      depth += trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1846
      chunk = next;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1847
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
    assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check");
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1849
    // Count element in remaining partial chunk.  NULL value for mirror
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1850
    // marks the end of the stack trace elements that are saved.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1851
    objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1852
    assert(mirrors != NULL, "sanity check");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1853
    for (int i = 0; i < mirrors->length(); i++) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1854
      if (mirrors->obj_at(i) == NULL) break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1855
      depth++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1856
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
  return depth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1859
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1860
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1861
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1863
  if (throwable == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
    THROW_0(vmSymbols::java_lang_NullPointerException());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1865
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
  if (index < 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1867
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1868
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
  // Compute how many chunks to skip and index into actual chunk
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
  objArrayOop chunk = objArrayOop(backtrace(throwable));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
  int skip_chunks = index / trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
  int chunk_index = index % trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
  while (chunk != NULL && skip_chunks > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
    chunk = objArrayOop(chunk->obj_at(trace_next_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
        skip_chunks--;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
  if (chunk == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
  }
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1880
  // Get method id, bci, version, mirror and cpref from chunk
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1881
  typeArrayOop methods = BacktraceBuilder::get_methods(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1882
  typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1883
  objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk);
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1884
  typeArrayOop cprefs = BacktraceBuilder::get_cprefs(chunk);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1885
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1886
  assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1887
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1888
  int method = methods->short_at(chunk_index);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1889
  int version = version_at(bcis->int_at(chunk_index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1890
  int bci = bci_at(bcis->int_at(chunk_index));
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1891
  int cpref = cprefs->short_at(chunk_index);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1892
  Handle mirror(THREAD, mirrors->obj_at(chunk_index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1893
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
  // Chunk can be partial full
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1895
  if (mirror.is_null()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
  }
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1898
  oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, cpref, CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
  return element;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
20378
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1902
oop java_lang_StackTraceElement::create(Handle mirror, int method_id,
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1903
                                        int version, int bci, int cpref, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
  // Allocate java.lang.StackTraceElement instance
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1905
  Klass* k = SystemDictionary::StackTraceElement_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1906
  assert(k != NULL, "must be loaded in 1.4+");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
  instanceKlassHandle ik (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
  if (ik->should_be_initialized()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
    ik->initialize(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
  Handle element = ik->allocate_instance_handle(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
  // Fill in class name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
  ResourceMark rm(THREAD);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1915
  InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1916
  const char* str = holder->external_name();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
  oop classname = StringTable::intern((char*) str, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
  java_lang_StackTraceElement::set_declaringClass(element(), classname);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1919
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1920
  Method* method = holder->method_with_orig_idnum(method_id, version);
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1921
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1922
  // The method can be NULL if the requested class version is gone
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1923
  Symbol* sym = (method != NULL) ? method->name() : holder->constants()->symbol_at(cpref);
20378
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1924
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
  // Fill in method name
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1926
  oop methodname = StringTable::intern(sym, CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
  java_lang_StackTraceElement::set_methodName(element(), methodname);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1928
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1929
  if (!version_matches(method, version)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1930
    // 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
  1931
    java_lang_StackTraceElement::set_fileName(element(), NULL);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1932
    java_lang_StackTraceElement::set_lineNumber(element(), -1);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1933
  } else {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1934
    // Fill in source file name and line number.
31985
f63ab3cbd931 8087315: SIGBUS error in nsk/jvmti/RedefineClasses/StressRedefine
coleenp
parents: 31587
diff changeset
  1935
    Symbol* source = get_source_file_name(holder, version);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1936
    if (ShowHiddenFrames && source == NULL)
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1937
      source = vmSymbols::unknown_class_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1938
    oop filename = StringTable::intern(source, CHECK_0);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1939
    java_lang_StackTraceElement::set_fileName(element(), filename);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1940
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1941
    int line_number = get_line_number(method, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1942
    java_lang_StackTraceElement::set_lineNumber(element(), line_number);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1943
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1944
  return element();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1945
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1947
oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1948
  Handle mirror (THREAD, method->method_holder()->java_mirror());
30107
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1949
  int method_id = method->orig_method_idnum();
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1950
  int cpref = method->name_index();
e3d259b825a1 8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents: 29081
diff changeset
  1951
  return create(mirror, method_id, method->constants()->version(), bci, cpref, THREAD);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1952
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1954
void java_lang_reflect_AccessibleObject::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1955
  Klass* k = SystemDictionary::reflect_AccessibleObject_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1956
  compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1957
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1958
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1959
jboolean java_lang_reflect_AccessibleObject::override(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1961
  return (jboolean) reflect->bool_field(override_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1962
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1963
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1964
void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1965
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1966
  reflect->bool_field_put(override_offset, (int) value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1967
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1968
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1969
void java_lang_reflect_Method::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1970
  Klass* k = SystemDictionary::reflect_Method_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1971
  compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1972
  compute_offset(name_offset,           k, vmSymbols::name_name(),           vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1973
  compute_offset(returnType_offset,     k, vmSymbols::returnType_name(),     vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1974
  compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1975
  compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1976
  compute_offset(slot_offset,           k, vmSymbols::slot_name(),           vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1977
  compute_offset(modifiers_offset,      k, vmSymbols::modifiers_name(),      vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1978
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1979
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1980
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1981
  parameter_annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1982
  annotation_default_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  1983
  type_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1984
  compute_optional_offset(signature_offset,             k, vmSymbols::signature_name(),             vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1985
  compute_optional_offset(annotations_offset,           k, vmSymbols::annotations_name(),           vmSymbols::byte_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1986
  compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1987
  compute_optional_offset(annotation_default_offset,    k, vmSymbols::annotation_default_name(),    vmSymbols::byte_array_signature());
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  1988
  compute_optional_offset(type_annotations_offset,      k, vmSymbols::type_annotations_name(),      vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1989
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1990
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1991
Handle java_lang_reflect_Method::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1992
  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
  1993
  Klass* klass = SystemDictionary::reflect_Method_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1994
  // This class is eagerly initialized during VM initialization, since we keep a refence
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1995
  // to one of the methods
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1996
  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
  1997
  return InstanceKlass::cast(klass)->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1998
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1999
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2000
oop java_lang_reflect_Method::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2001
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2002
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
void java_lang_reflect_Method::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2007
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2009
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
int java_lang_reflect_Method::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
void java_lang_reflect_Method::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2019
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2020
oop java_lang_reflect_Method::name(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
  return method->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2024
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
void java_lang_reflect_Method::set_name(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2026
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2027
  method->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2028
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2029
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2030
oop java_lang_reflect_Method::return_type(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2031
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
  return method->obj_field(returnType_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2033
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2035
void java_lang_reflect_Method::set_return_type(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2036
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2037
  method->obj_field_put(returnType_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2038
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2039
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2040
oop java_lang_reflect_Method::parameter_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2041
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2042
  return method->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2043
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2044
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2045
void java_lang_reflect_Method::set_parameter_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2046
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2047
  method->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2048
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2049
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2050
oop java_lang_reflect_Method::exception_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2051
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2052
  return method->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2053
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2054
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2055
void java_lang_reflect_Method::set_exception_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2056
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2057
  method->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2060
int java_lang_reflect_Method::modifiers(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2061
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
  return method->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
void java_lang_reflect_Method::set_modifiers(oop method, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
  method->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
bool java_lang_reflect_Method::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
oop java_lang_reflect_Method::signature(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
  return method->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
void java_lang_reflect_Method::set_signature(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2082
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2083
  method->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2084
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2085
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2086
bool java_lang_reflect_Method::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2087
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2088
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2089
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2090
oop java_lang_reflect_Method::annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2091
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2092
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2093
  return method->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2094
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2095
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2096
void java_lang_reflect_Method::set_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2099
  method->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2100
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2101
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2102
bool java_lang_reflect_Method::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2103
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2104
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2105
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2106
oop java_lang_reflect_Method::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2107
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2108
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2109
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2111
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2112
void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2113
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2114
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2115
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2116
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2117
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2118
bool java_lang_reflect_Method::has_annotation_default_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2119
  return (annotation_default_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2120
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2121
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2122
oop java_lang_reflect_Method::annotation_default(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2123
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2124
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
  return method->obj_field(annotation_default_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2127
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2128
void java_lang_reflect_Method::set_annotation_default(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2129
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2130
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
  method->obj_field_put(annotation_default_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2133
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2134
bool java_lang_reflect_Method::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2135
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2136
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2137
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2138
oop java_lang_reflect_Method::type_annotations(oop method) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2139
  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
  2140
  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
  2141
  return method->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2142
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2143
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2144
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
  2145
  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
  2146
  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
  2147
  method->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2148
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2149
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2150
void java_lang_reflect_Constructor::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2151
  Klass* k = SystemDictionary::reflect_Constructor_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2152
  compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2153
  compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2154
  compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2155
  compute_offset(slot_offset,           k, vmSymbols::slot_name(),           vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2156
  compute_offset(modifiers_offset,      k, vmSymbols::modifiers_name(),      vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2158
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2160
  parameter_annotations_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2161
  type_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2162
  compute_optional_offset(signature_offset,             k, vmSymbols::signature_name(),             vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2163
  compute_optional_offset(annotations_offset,           k, vmSymbols::annotations_name(),           vmSymbols::byte_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2164
  compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature());
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2165
  compute_optional_offset(type_annotations_offset,      k, vmSymbols::type_annotations_name(),      vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2166
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2167
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2168
Handle java_lang_reflect_Constructor::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2169
  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
  2170
  Symbol* name = vmSymbols::java_lang_reflect_Constructor();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2171
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2172
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2173
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2174
  klass->initialize(CHECK_NH);
27680
8ecc0871c18e 8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents: 26927
diff changeset
  2175
  return klass->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2176
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2177
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2178
oop java_lang_reflect_Constructor::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2179
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2180
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2181
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2182
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2183
void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2184
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2185
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2186
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2187
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2188
oop java_lang_reflect_Constructor::parameter_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2189
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2190
  return constructor->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2191
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2192
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2193
void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2194
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2195
  constructor->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2196
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2197
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2198
oop java_lang_reflect_Constructor::exception_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2199
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2200
  return constructor->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2201
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2202
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2203
void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2204
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2205
  constructor->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2206
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2207
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2208
int java_lang_reflect_Constructor::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2209
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2210
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2211
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2212
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2213
void java_lang_reflect_Constructor::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2214
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2215
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2216
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2217
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2218
int java_lang_reflect_Constructor::modifiers(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2219
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2220
  return constructor->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2221
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2222
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2223
void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2224
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2225
  constructor->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2226
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2227
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2228
bool java_lang_reflect_Constructor::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2229
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2230
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2231
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2232
oop java_lang_reflect_Constructor::signature(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2233
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2234
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2235
  return constructor->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2236
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2237
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2238
void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2239
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2240
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2241
  constructor->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2242
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2243
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2244
bool java_lang_reflect_Constructor::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2245
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2246
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2247
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2248
oop java_lang_reflect_Constructor::annotations(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2249
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2250
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2251
  return constructor->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2252
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2253
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2254
void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2255
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2256
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2257
  constructor->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2258
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2259
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2260
bool java_lang_reflect_Constructor::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2261
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2262
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2263
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2264
oop java_lang_reflect_Constructor::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2265
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2266
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2267
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2268
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2269
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2270
void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2271
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2272
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2273
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2274
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2275
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2276
bool java_lang_reflect_Constructor::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2277
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2278
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2279
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2280
oop java_lang_reflect_Constructor::type_annotations(oop constructor) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2281
  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
  2282
  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
  2283
  return constructor->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2284
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2285
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2286
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
  2287
  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
  2288
  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
  2289
  constructor->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2290
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2291
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2292
void java_lang_reflect_Field::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2293
  Klass* k = SystemDictionary::reflect_Field_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2294
  compute_offset(clazz_offset,     k, vmSymbols::clazz_name(),     vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2295
  compute_offset(name_offset,      k, vmSymbols::name_name(),      vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2296
  compute_offset(type_offset,      k, vmSymbols::type_name(),      vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2297
  compute_offset(slot_offset,      k, vmSymbols::slot_name(),      vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2298
  compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2299
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2300
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2301
  annotations_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2302
  type_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2303
  compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2304
  compute_optional_offset(annotations_offset,  k, vmSymbols::annotations_name(),  vmSymbols::byte_array_signature());
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2305
  compute_optional_offset(type_annotations_offset,  k, vmSymbols::type_annotations_name(),  vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2306
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2307
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2308
Handle java_lang_reflect_Field::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2309
  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
  2310
  Symbol* name = vmSymbols::java_lang_reflect_Field();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2311
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2312
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2313
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2314
  klass->initialize(CHECK_NH);
27680
8ecc0871c18e 8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents: 26927
diff changeset
  2315
  return klass->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2316
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2317
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2318
oop java_lang_reflect_Field::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2319
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2320
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2321
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2322
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2323
void java_lang_reflect_Field::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2324
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2325
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2326
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2327
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2328
oop java_lang_reflect_Field::name(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2329
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2330
  return field->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2331
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2332
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2333
void java_lang_reflect_Field::set_name(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2334
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2335
  field->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2336
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
oop java_lang_reflect_Field::type(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
  return field->obj_field(type_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2342
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2343
void java_lang_reflect_Field::set_type(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2344
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2345
  field->obj_field_put(type_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2346
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2347
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2348
int java_lang_reflect_Field::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2349
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2350
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2351
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2352
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2353
void java_lang_reflect_Field::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2354
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2355
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2356
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2357
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2358
int java_lang_reflect_Field::modifiers(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2359
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2360
  return field->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2361
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2362
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2363
void java_lang_reflect_Field::set_modifiers(oop field, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2364
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2365
  field->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2366
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2367
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2368
bool java_lang_reflect_Field::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2369
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2370
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2371
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2372
oop java_lang_reflect_Field::signature(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2374
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
  return field->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2377
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2378
void java_lang_reflect_Field::set_signature(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2379
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
  field->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2382
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
bool java_lang_reflect_Field::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2386
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2387
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2388
oop java_lang_reflect_Field::annotations(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2389
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2390
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2391
  return field->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2392
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2393
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2394
void java_lang_reflect_Field::set_annotations(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2395
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2396
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2397
  field->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2398
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2399
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2400
bool java_lang_reflect_Field::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2401
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2402
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2403
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2404
oop java_lang_reflect_Field::type_annotations(oop field) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2405
  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
  2406
  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
  2407
  return field->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2408
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2409
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2410
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
  2411
  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
  2412
  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
  2413
  field->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2414
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2415
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2416
void sun_reflect_ConstantPool::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2417
  Klass* k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2418
  // This null test can be removed post beta
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2419
  if (k != NULL) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2420
    // The field is called ConstantPool* in the sun.reflect.ConstantPool class.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2421
    compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2422
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2423
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2424
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2425
void java_lang_reflect_Parameter::compute_offsets() {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2426
  Klass* k = SystemDictionary::reflect_Parameter_klass();
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2427
  if(NULL != k) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2428
    compute_offset(name_offset,        k, vmSymbols::name_name(),        vmSymbols::string_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2429
    compute_offset(modifiers_offset,   k, vmSymbols::modifiers_name(),   vmSymbols::int_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2430
    compute_offset(index_offset,       k, vmSymbols::index_name(),       vmSymbols::int_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2431
    compute_offset(executable_offset,  k, vmSymbols::executable_name(),  vmSymbols::executable_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2432
  }
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2433
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2434
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2435
Handle java_lang_reflect_Parameter::create(TRAPS) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2436
  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
  2437
  Symbol* name = vmSymbols::java_lang_reflect_Parameter();
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2438
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2439
  instanceKlassHandle klass (THREAD, k);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2440
  // Ensure it is initialized
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2441
  klass->initialize(CHECK_NH);
27680
8ecc0871c18e 8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents: 26927
diff changeset
  2442
  return klass->allocate_instance_handle(THREAD);
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2443
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2444
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2445
oop java_lang_reflect_Parameter::name(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2446
  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
  2447
  return param->obj_field(name_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2448
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2449
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2450
void java_lang_reflect_Parameter::set_name(oop param, oop value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2451
  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
  2452
  param->obj_field_put(name_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2453
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2454
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2455
int java_lang_reflect_Parameter::modifiers(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2456
  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
  2457
  return param->int_field(modifiers_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2458
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2459
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2460
void java_lang_reflect_Parameter::set_modifiers(oop param, int value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2461
  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
  2462
  param->int_field_put(modifiers_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2463
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2464
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2465
int java_lang_reflect_Parameter::index(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2466
  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
  2467
  return param->int_field(index_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2468
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2469
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2470
void java_lang_reflect_Parameter::set_index(oop param, int value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2471
  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
  2472
  param->int_field_put(index_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2473
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2474
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2475
oop java_lang_reflect_Parameter::executable(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2476
  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
  2477
  return param->obj_field(executable_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2478
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2479
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2480
void java_lang_reflect_Parameter::set_executable(oop param, oop value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2481
  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
  2482
  param->obj_field_put(executable_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2483
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2484
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2485
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2486
Handle sun_reflect_ConstantPool::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2487
  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
  2488
  Klass* k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2489
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2490
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2491
  klass->initialize(CHECK_NH);
27680
8ecc0871c18e 8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents: 26927
diff changeset
  2492
  return klass->allocate_instance_handle(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2493
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2494
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2495
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2496
void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2497
  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
  2498
  oop mirror = value->pool_holder()->java_mirror();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2499
  // 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
  2500
  reflect->obj_field_put(_oop_offset, mirror);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2501
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2502
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2503
ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2504
  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
  2505
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2506
  oop mirror = reflect->obj_field(_oop_offset);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2507
  Klass* k = java_lang_Class::as_Klass(mirror);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2508
  assert(k->oop_is_instance(), "Must be");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2509
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2510
  // 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
  2511
  // 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
  2512
  // 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
  2513
  // 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
  2514
  // the original.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2515
  return InstanceKlass::cast(k)->constants();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2516
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2517
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2518
void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2519
  Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2520
  // This null test can be removed post beta
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2521
  if (k != NULL) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2522
    compute_offset(_base_offset, k,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2523
                   vmSymbols::base_name(), vmSymbols::object_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2524
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2525
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2526
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2527
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
  2528
  Klass* k = SystemDictionary::box_klass(type);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2529
  if (k == NULL)  return NULL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2530
  instanceKlassHandle h (THREAD, k);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2531
  if (!h->is_initialized())  h->initialize(CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2532
  return h->allocate_instance(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2533
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2534
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2535
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2536
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
  2537
  oop box = initialize_and_allocate(type, CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2538
  if (box == NULL)  return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2539
  switch (type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2540
    case T_BOOLEAN:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2541
      box->bool_field_put(value_offset, value->z);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2542
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2543
    case T_CHAR:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2544
      box->char_field_put(value_offset, value->c);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2545
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2546
    case T_FLOAT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2547
      box->float_field_put(value_offset, value->f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2548
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2549
    case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2550
      box->double_field_put(long_value_offset, value->d);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2551
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2552
    case T_BYTE:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2553
      box->byte_field_put(value_offset, value->b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2554
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2555
    case T_SHORT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2556
      box->short_field_put(value_offset, value->s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2557
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2558
    case T_INT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2559
      box->int_field_put(value_offset, value->i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2560
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2561
    case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2562
      box->long_field_put(long_value_offset, value->j);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2564
    default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2565
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2566
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2567
  return box;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2568
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2569
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2570
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2571
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
  2572
  if (box == NULL)  return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2573
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2574
  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
  2575
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2576
  return type;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2577
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2578
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2579
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2580
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
  2581
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2582
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2583
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2584
    value->z = box->bool_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2585
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2586
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2587
    value->c = box->char_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2588
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2589
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2590
    value->f = box->float_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2591
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2592
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2593
    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
  2594
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2595
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2596
    value->b = box->byte_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2597
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2598
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2599
    value->s = box->short_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2600
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2601
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2602
    value->i = box->int_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2603
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2604
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2605
    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
  2606
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2607
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2608
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2609
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2610
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2611
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2612
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2613
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2614
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
  2615
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2616
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2617
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2618
    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
  2619
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2620
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2621
    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
  2622
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2623
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2624
    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
  2625
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2626
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2627
    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
  2628
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2629
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2630
    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
  2631
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2632
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2633
    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
  2634
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2635
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2636
    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
  2637
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2638
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2639
    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
  2640
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2641
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2642
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2643
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2644
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2645
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2646
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2647
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2648
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
  2649
  switch (type) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2650
  case T_BOOLEAN:   st->print("%s", value->z ? "true" : "false");   break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2651
  case T_CHAR:      st->print("%d", value->c);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2652
  case T_BYTE:      st->print("%d", value->b);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2653
  case T_SHORT:     st->print("%d", value->s);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2654
  case T_INT:       st->print("%d", value->i);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2655
  case T_LONG:      st->print(INT64_FORMAT, value->j);              break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2656
  case T_FLOAT:     st->print("%f", value->f);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2657
  case T_DOUBLE:    st->print("%lf", value->d);                     break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2658
  default:          st->print("type %d?", type);                    break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2659
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2660
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2661
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2662
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2663
// Support for java_lang_ref_Reference
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2664
HeapWord *java_lang_ref_Reference::pending_list_lock_addr() {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2665
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2666
  address addr = ik->static_field_addr(static_lock_offset);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2667
  return (HeapWord*) addr;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2668
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2669
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2670
oop java_lang_ref_Reference::pending_list_lock() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2671
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  2672
  address addr = ik->static_field_addr(static_lock_offset);
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2673
  if (UseCompressedOops) {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2674
    return oopDesc::load_decode_heap_oop((narrowOop *)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2675
  } else {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2676
    return oopDesc::load_decode_heap_oop((oop*)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2677
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2678
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2679
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2680
HeapWord *java_lang_ref_Reference::pending_list_addr() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2681
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  2682
  address addr = ik->static_field_addr(static_pending_offset);
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2683
  // XXX This might not be HeapWord aligned, almost rather be char *.
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2684
  return (HeapWord*)addr;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2685
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2686
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2687
oop java_lang_ref_Reference::pending_list() {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2688
  char *addr = (char *)pending_list_addr();
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2689
  if (UseCompressedOops) {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2690
    return oopDesc::load_decode_heap_oop((narrowOop *)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2691
  } else {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2692
    return oopDesc::load_decode_heap_oop((oop*)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2693
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2694
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2695
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2696
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2697
// Support for java_lang_ref_SoftReference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2698
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2699
jlong java_lang_ref_SoftReference::timestamp(oop ref) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2700
  return ref->long_field(timestamp_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2701
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2702
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2703
jlong java_lang_ref_SoftReference::clock() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2704
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass());
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  2705
  jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset);
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  2706
  return *offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2707
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2708
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2709
void java_lang_ref_SoftReference::set_clock(jlong value) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2710
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass());
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  2711
  jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset);
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
  2712
  *offset = value;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2713
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2714
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2715
// Support for java_lang_invoke_DirectMethodHandle
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2716
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2717
int java_lang_invoke_DirectMethodHandle::_member_offset;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2718
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2719
oop java_lang_invoke_DirectMethodHandle::member(oop dmh) {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2720
  oop member_name = NULL;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2721
  bool is_dmh = dmh->is_oop() && java_lang_invoke_DirectMethodHandle::is_instance(dmh);
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2722
  assert(is_dmh, "a DirectMethodHandle oop is expected");
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2723
  if (is_dmh) {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2724
    member_name = dmh->obj_field(member_offset_in_bytes());
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2725
  }
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2726
  return member_name;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2727
}
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2728
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2729
void java_lang_invoke_DirectMethodHandle::compute_offsets() {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2730
  Klass* klass_oop = SystemDictionary::DirectMethodHandle_klass();
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  2731
  if (klass_oop != NULL) {
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2732
    compute_offset(_member_offset, klass_oop, vmSymbols::member_name(), vmSymbols::java_lang_invoke_MemberName_signature());
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2733
  }
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2734
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2735
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2736
// Support for java_lang_invoke_MethodHandle
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2737
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2738
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
  2739
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
  2740
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2741
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
  2742
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
  2743
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
  2744
int java_lang_invoke_MemberName::_flags_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2745
int java_lang_invoke_MemberName::_vmtarget_offset;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2746
int java_lang_invoke_MemberName::_vmloader_offset;
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2747
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
  2748
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2749
int java_lang_invoke_LambdaForm::_vmentry_offset;
10514
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 10509
diff changeset
  2750
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2751
void java_lang_invoke_MethodHandle::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2752
  Klass* klass_oop = SystemDictionary::MethodHandle_klass();
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  2753
  if (klass_oop != NULL) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2754
    compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature());
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  2755
    compute_offset(_form_offset, klass_oop, vmSymbols::form_name(), vmSymbols::java_lang_invoke_LambdaForm_signature());
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2756
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2757
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2758
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2759
void java_lang_invoke_MemberName::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2760
  Klass* klass_oop = SystemDictionary::MemberName_klass();
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  2761
  if (klass_oop != NULL) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2762
    compute_offset(_clazz_offset,     klass_oop, vmSymbols::clazz_name(),     vmSymbols::class_signature());
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2763
    compute_offset(_name_offset,      klass_oop, vmSymbols::name_name(),      vmSymbols::string_signature());
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2764
    compute_offset(_type_offset,      klass_oop, vmSymbols::type_name(),      vmSymbols::object_signature());
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2765
    compute_offset(_flags_offset,     klass_oop, vmSymbols::flags_name(),     vmSymbols::int_signature());
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2766
    MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2767
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2768
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2769
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2770
void java_lang_invoke_LambdaForm::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2771
  Klass* klass_oop = SystemDictionary::LambdaForm_klass();
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  2772
  if (klass_oop != NULL) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2773
    compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature());
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2774
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2775
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2776
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  2777
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
  2778
  return obj != NULL && is_subclass(obj->klass());
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  2779
}
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  2780
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  2781
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2782
oop java_lang_invoke_MethodHandle::type(oop mh) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2783
  return mh->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2784
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2785
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2786
void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2787
  mh->obj_field_put(_type_offset, mtype);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2788
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2789
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2790
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
  2791
  assert(_form_offset != 0, "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2792
  return mh->obj_field(_form_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2793
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2794
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2795
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
  2796
  assert(_form_offset != 0, "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2797
  mh->obj_field_put(_form_offset, lform);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2798
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2799
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2800
/// MemberName accessors
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2801
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2802
oop java_lang_invoke_MemberName::clazz(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2803
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2804
  return mname->obj_field(_clazz_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2805
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2806
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2807
void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2808
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2809
  mname->obj_field_put(_clazz_offset, clazz);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2810
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2811
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2812
oop java_lang_invoke_MemberName::name(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2813
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2814
  return mname->obj_field(_name_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2815
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2816
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2817
void java_lang_invoke_MemberName::set_name(oop mname, oop name) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2818
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2819
  mname->obj_field_put(_name_offset, name);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2820
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2821
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2822
oop java_lang_invoke_MemberName::type(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2823
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2824
  return mname->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2825
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2826
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2827
void java_lang_invoke_MemberName::set_type(oop mname, oop type) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2828
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2829
  mname->obj_field_put(_type_offset, type);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2830
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2831
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2832
int java_lang_invoke_MemberName::flags(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2833
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2834
  return mname->int_field(_flags_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2835
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2836
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2837
void java_lang_invoke_MemberName::set_flags(oop mname, int flags) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2838
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2839
  mname->int_field_put(_flags_offset, flags);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2840
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2841
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2842
Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2843
  assert(is_instance(mname), "wrong type");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2844
  return (Metadata*)mname->address_field(_vmtarget_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2845
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2846
27674
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  2847
bool java_lang_invoke_MemberName::is_method(oop mname) {
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  2848
  assert(is_instance(mname), "must be MemberName");
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  2849
  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
  2850
}
00cabfc45357 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 27654
diff changeset
  2851
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2852
void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2853
  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
  2854
  // check the type of the vmtarget
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2855
  oop dependency = NULL;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2856
  if (ref != NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2857
    switch (flags(mname) & (MN_IS_METHOD |
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2858
                            MN_IS_CONSTRUCTOR |
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2859
                            MN_IS_FIELD)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2860
    case MN_IS_METHOD:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2861
    case MN_IS_CONSTRUCTOR:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2862
      assert(ref->is_method(), "should be a method");
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2863
      dependency = ((Method*)ref)->method_holder()->java_mirror();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2864
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2865
    case MN_IS_FIELD:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2866
      assert(ref->is_klass(), "should be a class");
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2867
      dependency = ((Klass*)ref)->java_mirror();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2868
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2869
    default:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2870
      ShouldNotReachHere();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2871
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2872
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2873
  mname->address_field_put(_vmtarget_offset, (address)ref);
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2874
  // Add a reference to the loader (actually mirror because anonymous classes will not have
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2875
  // distinct loaders) to ensure the metadata is kept alive
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2876
  // This mirror may be different than the one in clazz field.
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14583
diff changeset
  2877
  mname->obj_field_put(_vmloader_offset, dependency);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2878
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2879
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2880
intptr_t java_lang_invoke_MemberName::vmindex(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2881
  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
  2882
  return (intptr_t) mname->address_field(_vmindex_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2883
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2884
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2885
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
  2886
  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
  2887
  mname->address_field_put(_vmindex_offset, (address) index);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2888
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2889
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2890
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
  2891
  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
  2892
  return lform->obj_field(_vmentry_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2893
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2894
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2895
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2896
// Support for java_lang_invoke_MethodType
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2897
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2898
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
  2899
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
  2900
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2901
void java_lang_invoke_MethodType::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2902
  Klass* k = SystemDictionary::MethodType_klass();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2903
  if (k != NULL) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2904
    compute_offset(_rtype_offset,  k, vmSymbols::rtype_name(),  vmSymbols::class_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2905
    compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2906
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2907
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2908
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2909
void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2910
  st->print("(");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2911
  objArrayOop pts = ptypes(mt);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2912
  for (int i = 0, limit = pts->length(); i < limit; i++) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2913
    java_lang_Class::print_signature(pts->obj_at(i), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2914
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2915
  st->print(")");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2916
  java_lang_Class::print_signature(rtype(mt), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2917
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2918
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2919
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
  2920
  ResourceMark rm;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2921
  stringStream buffer(128);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2922
  print_signature(mt, &buffer);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2923
  const char* sigstr =       buffer.base();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2924
  int         siglen = (int) buffer.size();
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2925
  Symbol *name;
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2926
  if (!intern_if_not_found) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2927
    name = SymbolTable::probe(sigstr, siglen);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2928
  } else {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2929
    name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2930
  }
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2931
  return name;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2932
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2933
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2934
bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2935
  if (mt1 == mt2)
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2936
    return true;
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2937
  if (rtype(mt1) != rtype(mt2))
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2938
    return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2939
  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
  2940
    return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2941
  for (int i = ptype_count(mt1) - 1; i >= 0; i--) {
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2942
    if (ptype(mt1, i) != ptype(mt2, i))
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2943
      return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2944
  }
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2945
  return true;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2946
}
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2947
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2948
oop java_lang_invoke_MethodType::rtype(oop mt) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2949
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2950
  return mt->obj_field(_rtype_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2951
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2952
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2953
objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2954
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2955
  return (objArrayOop) mt->obj_field(_ptypes_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2956
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2957
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2958
oop java_lang_invoke_MethodType::ptype(oop mt, int idx) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2959
  return ptypes(mt)->obj_at(idx);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2960
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2961
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2962
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
  2963
  return ptypes(mt)->length();
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2964
}
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2965
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2966
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
  2967
  objArrayOop pts = ptypes(mt);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2968
  int count = pts->length();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2969
  int slots = 0;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2970
  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
  2971
    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
  2972
    slots += type2size[bt];
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2973
  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2974
  return slots;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2975
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2976
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2977
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
  2978
  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
  2979
  return type2size[bt];
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2980
}
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2981
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2982
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2983
// Support for java_lang_invoke_CallSite
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2984
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2985
int java_lang_invoke_CallSite::_target_offset;
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  2986
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
  2987
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2988
void java_lang_invoke_CallSite::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2989
  Klass* k = SystemDictionary::CallSite_klass();
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2990
  if (k != NULL) {
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2991
    compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature());
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  2992
    compute_offset(_context_offset, k, vmSymbols::context_name(),
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  2993
                   vmSymbols::java_lang_invoke_MethodHandleNatives_CallSiteContext_signature());
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2994
  }
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2995
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2996
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  2997
oop java_lang_invoke_CallSite::context(oop call_site) {
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  2998
  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
  2999
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3000
  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
  3001
  return dep_oop;
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3002
}
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3003
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3004
// 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
  3005
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3006
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
  3007
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3008
void java_lang_invoke_MethodHandleNatives_CallSiteContext::compute_offsets() {
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3009
  Klass* k = SystemDictionary::Context_klass();
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3010
  if (k != NULL) {
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3011
    CALLSITECONTEXT_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  3012
  }
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3013
}
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3014
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3015
nmethodBucket* java_lang_invoke_MethodHandleNatives_CallSiteContext::vmdependencies(oop call_site) {
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3016
  assert(java_lang_invoke_MethodHandleNatives_CallSiteContext::is_instance(call_site), "");
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3017
  return (nmethodBucket*) (address) call_site->long_field(_vmdependencies_offset);
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3018
}
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3019
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3020
void java_lang_invoke_MethodHandleNatives_CallSiteContext::set_vmdependencies(oop call_site, nmethodBucket* context) {
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3021
  assert(java_lang_invoke_MethodHandleNatives_CallSiteContext::is_instance(call_site), "");
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3022
  call_site->long_field_put(_vmdependencies_offset, (jlong) (address) context);
30296
95baefac8485 8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents: 29081
diff changeset
  3023
}
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3024
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3025
// Support for java_security_AccessControlContext
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3026
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3027
int java_security_AccessControlContext::_context_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
int java_security_AccessControlContext::_privilegedContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3029
int java_security_AccessControlContext::_isPrivileged_offset = 0;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3030
int java_security_AccessControlContext::_isAuthorized_offset = -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3031
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3032
void java_security_AccessControlContext::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3033
  assert(_isPrivileged_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3034
  fieldDescriptor fd;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3035
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3036
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3037
  if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
  _context_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3041
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
  if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3043
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3045
  _privilegedContext_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3046
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3047
  if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3048
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3049
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3050
  _isPrivileged_offset = fd.offset();
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3051
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3052
  // The offset may not be present for bootstrapping with older JDK.
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3053
  if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3054
    _isAuthorized_offset = fd.offset();
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3055
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3056
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3057
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3058
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3059
bool java_security_AccessControlContext::is_authorized(Handle context) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3060
  assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type");
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3061
  assert(_isAuthorized_offset != -1, "should be set");
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3062
  return context->bool_field(_isAuthorized_offset) != 0;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3063
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3065
oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3066
  assert(_isPrivileged_offset != 0, "offsets should have been initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3067
  // Ensure klass is initialized
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3068
  InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3069
  // Allocate result
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3070
  oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3071
  // Fill in values
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3072
  result->obj_field_put(_context_offset, context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3073
  result->obj_field_put(_privilegedContext_offset, privileged_context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3074
  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
  3075
  // 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
  3076
  if (_isAuthorized_offset != -1) {
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  3077
    result->bool_field_put(_isAuthorized_offset, true);
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  3078
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3079
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3080
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3081
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3082
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3083
// Support for java_lang_ClassLoader
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3084
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3085
bool java_lang_ClassLoader::offsets_computed = false;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3086
int  java_lang_ClassLoader::_loader_data_offset = -1;
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3087
int  java_lang_ClassLoader::parallelCapable_offset = -1;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3088
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3089
ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3090
    assert(loader != NULL && loader->is_oop(), "loader must be oop");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3091
    return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3092
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3093
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3094
ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3095
  return *java_lang_ClassLoader::loader_data_addr(loader);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3096
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3097
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3098
void java_lang_ClassLoader::compute_offsets() {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3099
  assert(!offsets_computed, "offsets should be initialized only once");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3100
  offsets_computed = true;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3101
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3102
  // The field indicating parallelCapable (parallelLockMap) is only present starting in 7,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3103
  Klass* k1 = SystemDictionary::ClassLoader_klass();
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3104
  compute_optional_offset(parallelCapable_offset,
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3105
    k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3106
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3107
  CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3108
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3109
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3110
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
  3111
  assert(is_instance(loader), "loader must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3112
  return loader->obj_field(parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3113
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3114
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3115
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
  3116
  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
  3117
  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
  3118
  oop acl = loader;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3119
  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
  3120
  // 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
  3121
  do {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3122
    acl = parent(acl);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3123
    if (cl == acl) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3124
      return true;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3125
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3126
    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
  3127
  } while (acl != NULL);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3128
  return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3129
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3130
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3131
bool java_lang_ClassLoader::is_instance(oop obj) {
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3132
  return obj != NULL && is_subclass(obj->klass());
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3133
}
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 27694
diff changeset
  3134
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3135
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3136
// For class loader classes, parallelCapable defined
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3137
// based on non-null field
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3138
// 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
  3139
bool java_lang_ClassLoader::parallelCapable(oop class_loader) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  3140
  if (parallelCapable_offset == -1) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3141
     // Default for backward compatibility is false
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3142
     return false;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3143
  }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3144
  return (class_loader->obj_field(parallelCapable_offset) != NULL);
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3145
}
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3146
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3147
bool java_lang_ClassLoader::is_trusted_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3148
  // Fix for 4474172; see evaluation for more details
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3149
  loader = non_reflection_class_loader(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3150
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3151
  oop cl = SystemDictionary::java_system_loader();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3152
  while(cl != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3153
    if (cl == loader) return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3154
    cl = parent(cl);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3155
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3156
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3157
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3158
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3159
oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3160
  if (loader != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3161
    // See whether this is one of the class loaders associated with
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3162
    // the generated bytecodes for reflection, and if so, "magically"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3163
    // delegate to its parent to prevent class loading from occurring
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3164
    // in places where applications using reflection didn't expect it.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3165
    Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3166
    // This might be null in non-1.4 JDKs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3167
    if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3168
      return parent(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3169
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3170
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3171
  return loader;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3172
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3173
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3174
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3175
// Support for java_lang_System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3176
int java_lang_System::in_offset_in_bytes() {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3177
  return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3178
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3179
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3180
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3181
int java_lang_System::out_offset_in_bytes() {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3182
  return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3183
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3184
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3185
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3186
int java_lang_System::err_offset_in_bytes() {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3187
  return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3188
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3189
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3190
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3191
bool java_lang_System::has_security_manager() {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3192
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass());
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3193
  address addr = ik->static_field_addr(static_security_offset);
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3194
  if (UseCompressedOops) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3195
    return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3196
  } else {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3197
    return oopDesc::load_decode_heap_oop((oop*)addr) != NULL;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3198
  }
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3199
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3200
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3201
int java_lang_Class::_klass_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3202
int java_lang_Class::_array_klass_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3203
int java_lang_Class::_oop_size_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3204
int java_lang_Class::_static_oop_field_count_offset;
25326
85b2f2e63e3e 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 25057
diff changeset
  3205
int java_lang_Class::_class_loader_offset;
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  3206
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
  3207
int java_lang_Class::_component_mirror_offset;
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  3208
int java_lang_Class::_init_lock_offset;
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  3209
int java_lang_Class::_signers_offset;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3210
GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3211
int java_lang_Throwable::backtrace_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3212
int java_lang_Throwable::detailMessage_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3213
int java_lang_Throwable::cause_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3214
int java_lang_Throwable::stackTrace_offset;
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  3215
int java_lang_Throwable::static_unassigned_stacktrace_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3216
int java_lang_reflect_AccessibleObject::override_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3217
int java_lang_reflect_Method::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3218
int java_lang_reflect_Method::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3219
int java_lang_reflect_Method::returnType_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3220
int java_lang_reflect_Method::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3221
int java_lang_reflect_Method::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3222
int java_lang_reflect_Method::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3223
int java_lang_reflect_Method::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3224
int java_lang_reflect_Method::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3225
int java_lang_reflect_Method::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3226
int java_lang_reflect_Method::parameter_annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3227
int java_lang_reflect_Method::annotation_default_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3228
int java_lang_reflect_Method::type_annotations_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3229
int java_lang_reflect_Constructor::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3230
int java_lang_reflect_Constructor::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3231
int java_lang_reflect_Constructor::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3232
int java_lang_reflect_Constructor::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3233
int java_lang_reflect_Constructor::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3234
int java_lang_reflect_Constructor::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3235
int java_lang_reflect_Constructor::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3236
int java_lang_reflect_Constructor::parameter_annotations_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3237
int java_lang_reflect_Constructor::type_annotations_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3238
int java_lang_reflect_Field::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3239
int java_lang_reflect_Field::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3240
int java_lang_reflect_Field::type_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3241
int java_lang_reflect_Field::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3242
int java_lang_reflect_Field::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3243
int java_lang_reflect_Field::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3244
int java_lang_reflect_Field::annotations_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3245
int java_lang_reflect_Field::type_annotations_offset;
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3246
int java_lang_reflect_Parameter::name_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3247
int java_lang_reflect_Parameter::modifiers_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3248
int java_lang_reflect_Parameter::index_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3249
int java_lang_reflect_Parameter::executable_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3250
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
  3251
int java_lang_boxing_object::long_value_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3252
int java_lang_ref_Reference::referent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3253
int java_lang_ref_Reference::queue_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3254
int java_lang_ref_Reference::next_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3255
int java_lang_ref_Reference::discovered_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3256
int java_lang_ref_Reference::static_lock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3257
int java_lang_ref_Reference::static_pending_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3258
int java_lang_ref_Reference::number_of_fake_oop_fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3259
int java_lang_ref_SoftReference::timestamp_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3260
int java_lang_ref_SoftReference::static_clock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3261
int java_lang_ClassLoader::parent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3262
int java_lang_System::static_in_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3263
int java_lang_System::static_out_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3264
int java_lang_System::static_err_offset;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3265
int java_lang_System::static_security_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3266
int java_lang_StackTraceElement::declaringClass_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3267
int java_lang_StackTraceElement::methodName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3268
int java_lang_StackTraceElement::fileName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3269
int java_lang_StackTraceElement::lineNumber_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3270
int java_lang_AssertionStatusDirectives::classes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3271
int java_lang_AssertionStatusDirectives::classEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3272
int java_lang_AssertionStatusDirectives::packages_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3273
int java_lang_AssertionStatusDirectives::packageEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3274
int java_lang_AssertionStatusDirectives::deflt_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3275
int java_nio_Buffer::_limit_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3276
int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3277
int sun_reflect_ConstantPool::_oop_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3278
int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3279
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3280
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3281
// Support for java_lang_StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3282
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3283
void java_lang_StackTraceElement::set_fileName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3284
  element->obj_field_put(fileName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3285
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3286
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3287
void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3288
  element->obj_field_put(declaringClass_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3289
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3290
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3291
void java_lang_StackTraceElement::set_methodName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3292
  element->obj_field_put(methodName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3293
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3294
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3295
void java_lang_StackTraceElement::set_lineNumber(oop element, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3296
  element->int_field_put(lineNumber_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3297
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3298
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3300
// Support for java Assertions - java_lang_AssertionStatusDirectives.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3301
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3302
void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3303
  o->obj_field_put(classes_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3304
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3305
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3306
void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3307
  o->obj_field_put(classEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3308
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3309
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3310
void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3311
  o->obj_field_put(packages_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3312
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3313
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3314
void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3315
  o->obj_field_put(packageEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3316
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3317
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3318
void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3319
  o->bool_field_put(deflt_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3320
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3321
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3322
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3323
// Support for intrinsification of java.nio.Buffer.checkIndex
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3324
int java_nio_Buffer::limit_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3325
  return _limit_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3326
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3327
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3328
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3329
void java_nio_Buffer::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3330
  Klass* k = SystemDictionary::nio_Buffer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3331
  assert(k != NULL, "must be loaded in 1.4+");
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3332
  compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3333
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3334
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3335
void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3336
  if (_owner_offset != 0) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3337
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3338
  SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3339
  Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3340
  compute_offset(_owner_offset, k,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3341
                 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3342
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3343
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3344
oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3345
  assert(_owner_offset != 0, "Must be initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3346
  return obj->obj_field(_owner_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3347
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3348
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3349
// Compute hard-coded offsets
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3350
// Invoked before SystemDictionary::initialize, so pre-loaded classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3351
// are not available to determine the offset_of_static_fields.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3352
void JavaClasses::compute_hard_coded_offsets() {
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  3353
  const int x = heapOopSize;
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3354
  const int header = instanceOopDesc::base_offset_in_bytes();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3355
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3356
  // Throwable Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3357
  java_lang_Throwable::backtrace_offset  = java_lang_Throwable::hc_backtrace_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3358
  java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3359
  java_lang_Throwable::cause_offset      = java_lang_Throwable::hc_cause_offset      * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3360
  java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header;
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  3361
  java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset *  x;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3362
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3363
  // java_lang_boxing_object
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3364
  java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header;
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3365
  java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3366
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3367
  // java_lang_ref_Reference:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3368
  java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3369
  java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3370
  java_lang_ref_Reference::next_offset  = java_lang_ref_Reference::hc_next_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3371
  java_lang_ref_Reference::discovered_offset  = java_lang_ref_Reference::hc_discovered_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3372
  java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset *  x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3373
  java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3374
  // Artificial fields for java_lang_ref_Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3375
  // The first field is for the discovered field added in 1.4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3376
  java_lang_ref_Reference::number_of_fake_oop_fields = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3377
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3378
  // java_lang_ref_SoftReference Class
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3379
  java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3380
  // Don't multiply static fields because they are always in wordSize units
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3381
  java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3382
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3383
  // java_lang_ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3384
  java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3385
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3386
  // java_lang_System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3387
  java_lang_System::static_in_offset  = java_lang_System::hc_static_in_offset  * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3388
  java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3389
  java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3390
  java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3391
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3392
  // java_lang_StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3393
  java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3394
  java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3395
  java_lang_StackTraceElement::fileName_offset   = java_lang_StackTraceElement::hc_fileName_offset   * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3396
  java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3397
  java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3398
  java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3399
  java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3400
  java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3401
  java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3402
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3403
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3404
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3405
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3406
// Compute non-hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3407
void JavaClasses::compute_offsets() {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3408
  // java_lang_Class::compute_offsets was called earlier in bootstrap
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3409
  java_lang_ClassLoader::compute_offsets();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
  java_lang_Thread::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3411
  java_lang_ThreadGroup::compute_offsets();
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  3412
  java_lang_invoke_MethodHandle::compute_offsets();
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  3413
  java_lang_invoke_DirectMethodHandle::compute_offsets();
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  3414
  java_lang_invoke_MemberName::compute_offsets();
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  3415
  java_lang_invoke_LambdaForm::compute_offsets();
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  3416
  java_lang_invoke_MethodType::compute_offsets();
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  3417
  java_lang_invoke_CallSite::compute_offsets();
31037
01a5c5fa5681 8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents: 30310
diff changeset
  3418
  java_lang_invoke_MethodHandleNatives_CallSiteContext::compute_offsets();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3419
  java_security_AccessControlContext::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3420
  // Initialize reflection classes. The layouts of these classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3421
  // changed with the new reflection implementation in JDK 1.4, and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3422
  // since the Universe doesn't know what JDK version it is until this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3423
  // point we defer computation of these offsets until now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3424
  java_lang_reflect_AccessibleObject::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3425
  java_lang_reflect_Method::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3426
  java_lang_reflect_Constructor::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3427
  java_lang_reflect_Field::compute_offsets();
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  3428
  java_nio_Buffer::compute_offsets();
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  3429
  sun_reflect_ConstantPool::compute_offsets();
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  3430
  sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets();
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  3431
  java_lang_reflect_Parameter::compute_offsets();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3432
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3433
  // generated interpreter code wants to know about the offsets we just computed:
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3434
  AbstractAssembler::update_delayed_values();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3435
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3436
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3437
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3438
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3439
// These functions exist to assert the validity of hard-coded field offsets to guard
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3440
// against changes in the class files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3441
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3442
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
  3443
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3444
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3445
  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
  3446
  Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3447
  instanceKlassHandle h_klass (THREAD, k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3448
  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
  3449
  TempNewSymbol f_sig  = SymbolTable::new_symbol(field_sig, CATCH);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3450
  if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3451
    tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3452
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3453
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3454
  if (fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3455
    tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3456
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3457
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3458
  if (fd.offset() == hardcoded_offset ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3459
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3460
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3461
    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
  3462
                  klass_name, field_name, hardcoded_offset, fd.offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3463
    return false;
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
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3468
bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3469
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3470
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3471
  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
  3472
  Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3473
  instanceKlassHandle h_klass (THREAD, k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3474
  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
  3475
  TempNewSymbol f_sig  = SymbolTable::new_symbol(field_sig, CATCH);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3476
  if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3477
    tty->print_cr("Static field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3478
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3479
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3480
  if (!fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3481
    tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3482
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
  }
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3484
  if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3485
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
  } else {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3487
    tty->print_cr("Offset of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_offset, fd.offset() - InstanceMirrorKlass::offset_of_static_fields());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3488
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3490
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3491
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3492
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3493
bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3494
  EXCEPTION_MARK;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3495
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3496
  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
  3497
  Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3498
  instanceKlassHandle h_klass (THREAD, k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3499
  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
  3500
  TempNewSymbol f_sig  = SymbolTable::new_symbol(field_sig, CATCH);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3501
  if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3502
    tty->print_cr("Static field %s.%s not found", klass_name, field_name);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3503
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3504
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3505
  if (!fd.is_static() || !fd.has_initial_value()) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3506
    tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3507
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3508
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3509
  if (!fd.initial_value_tag().is_int()) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3510
    tty->print_cr("Static field %s.%s is not an int", klass_name, field_name);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3511
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3512
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3513
  jint field_value = fd.int_initial_value();
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3514
  if (field_value == hardcoded_constant) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3515
    return true;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3516
  } else {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3517
    tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3518
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3519
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3520
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3521
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3522
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3523
// Check the hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3524
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3525
void JavaClasses::check_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3526
  bool valid = true;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3527
  HandleMark hm;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3528
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3529
#define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3530
  valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3531
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3532
#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
  3533
  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
  3534
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3535
#define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3536
  valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3537
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3538
#define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3539
  valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig)
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3540
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3541
  // java.lang.String
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3542
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3543
  CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C");
12623
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3544
  if (java_lang_String::has_offset_field()) {
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3545
    CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I");
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3546
    CHECK_OFFSET("java/lang/String", java_lang_String, count, "I");
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3547
  }
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3548
  if (java_lang_String::has_hash_field()) {
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3549
    CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I");
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3550
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3551
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3552
  // java.lang.Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3553
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
  3554
  // Fake fields
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
  3555
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
  3556
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3557
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3558
  // java.lang.Throwable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3559
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3560
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3561
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3562
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3563
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3564
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3565
  // Boxed primitive objects (java_lang_boxing_object)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3566
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3567
  CHECK_OFFSET("java/lang/Boolean",   java_lang_boxing_object, value, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3568
  CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3569
  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
  3570
  CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3571
  CHECK_OFFSET("java/lang/Byte",      java_lang_boxing_object, value, "B");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3572
  CHECK_OFFSET("java/lang/Short",     java_lang_boxing_object, value, "S");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3573
  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
  3574
  CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3575
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3576
  // java.lang.ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3577
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3578
  CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent,      "Ljava/lang/ClassLoader;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3579
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3580
  // java.lang.System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3581
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3582
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System,  in, "Ljava/io/InputStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3583
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3584
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;");
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3585
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3586
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3587
  // java.lang.StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3588
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3589
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3590
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3591
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement,   fileName, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3592
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3593
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3594
  // java.lang.ref.Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3595
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3596
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3597
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3598
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3599
  // Fake field
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3600
  //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3601
  CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3602
  CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3603
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3604
  // java.lang.ref.SoftReference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3605
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3606
  CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3607
  CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3608
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3609
  // java.lang.AssertionStatusDirectives
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3610
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3611
  // The CheckAssertionStatusDirectives boolean can be removed from here and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3612
  // globals.hpp after the AssertionStatusDirectives class has been integrated
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3613
  // into merlin "for some time."  Without it, the vm will fail with early
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3614
  // merlin builds.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3615
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24429
diff changeset
  3616
  if (CheckAssertionStatusDirectives) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3617
    const char* nm = "java/lang/AssertionStatusDirectives";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3618
    const char* sig = "[Ljava/lang/String;";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3619
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3620
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3621
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3622
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3623
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3624
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3625
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3626
  if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3627
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3628
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3629
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3630
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3631
int InjectedField::compute_offset() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3632
  Klass* klass_oop = klass();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3633
  for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3634
    if (!may_be_java && !fs.access_flags().is_internal()) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3635
      // Only look at injected fields
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3636
      continue;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3637
    }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3638
    if (fs.name() == name() && fs.signature() == signature()) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3639
      return fs.offset();
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3640
    }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3641
  }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3642
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3643
  tty->print_cr("Invalid layout of %s at %s/%s%s", InstanceKlass::cast(klass_oop)->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
  3644
#ifndef PRODUCT
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3645
  klass_oop->print();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3646
  tty->print_cr("all fields:");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3647
  for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3648
    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
  3649
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3650
#endif //PRODUCT
30238
4cb81d03d19f 8072863: Replace fatal() with vm_exit_during_initialization() when an incorrect class is found on the bootclasspath
dbuck
parents: 30107
diff changeset
  3651
  vm_exit_during_initialization("Invalid layout of preloaded class: use -XX:+TraceClassLoading to see the origin of the problem class");
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3652
  return -1;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3653
}
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3654
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3655
void javaClasses_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3656
  JavaClasses::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3657
  JavaClasses::check_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3658
  FilteredFieldsMap::initialize();  // must be done after computing offsets.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3659
}