hotspot/src/share/vm/classfile/javaClasses.cpp
author coleenp
Thu, 03 Oct 2013 18:53:27 -0400
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8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV Summary: Redefined class in stack trace may not be found by method_idnum so handle null. Reviewed-by: sla, dcubed, sspitsyn
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/*
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 * Copyright (c) 1997, 2013, 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.hpp"
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#include "classfile/symbolTable.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/symbol.hpp"
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#include "oops/typeArrayOop.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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#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 allow_super = false) {
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  if (allow_super)
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    return ik->find_field(name_symbol, signature_symbol, 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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// 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 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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    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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    fatal("Invalid layout of preloaded 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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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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    }
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    to_buffer->char_at_put(index, c);
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  }
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  return string;
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}
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jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) {
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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               length = java_lang_String::length(java_string);
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  jchar* result = NEW_RESOURCE_ARRAY_RETURN_NULL(jchar, length);
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  if (result != NULL) {
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   325
    for (int index = 0; index < length; index++) {
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   326
      result[index] = value->char_at(index + offset);
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   327
    }
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   328
  } else {
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17029
diff changeset
   329
    THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   330
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   331
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   332
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   333
14742
b2a47eb99404 8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents: 14588
diff changeset
   334
unsigned int java_lang_String::hash_code(oop java_string) {
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   335
  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
   336
  // Zero length string will hash to zero with String.hashCode() function.
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   337
  if (length == 0) return 0;
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   338
8885
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   339
  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
   340
  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
   341
  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
   342
}
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   343
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   344
char* java_lang_String::as_quoted_ascii(oop java_string) {
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   345
  typeArrayOop value  = java_lang_String::value(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   346
  int          offset = java_lang_String::offset(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   347
  int          length = java_lang_String::length(java_string);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   348
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   349
  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   350
  if (base == NULL) return NULL;
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   351
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   352
  int result_length = UNICODE::quoted_ascii_length(base, length) + 1;
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   353
  char* result = NEW_RESOURCE_ARRAY(char, result_length);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   354
  UNICODE::as_quoted_ascii(base, length, result, result_length);
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   355
  assert(result_length >= length + 1, "must not be shorter");
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   356
  assert(result_length == (int)strlen(result) + 1, "must match");
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14391
diff changeset
   357
  return result;
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
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   360
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
   361
  int          length = java_lang_String::length(java_string);
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   362
  // Zero length string doesn't hash necessarily hash to zero.
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   363
  if (length == 0) {
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   364
    return StringTable::hash_string(NULL, 0);
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   365
  }
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   366
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   367
  typeArrayOop value  = java_lang_String::value(java_string);
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   368
  int          offset = java_lang_String::offset(java_string);
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12623
diff changeset
   369
  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
   370
}
eed0ba1d011b 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 8883
diff changeset
   371
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   372
Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
  oop          obj    = java_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  typeArrayOop value  = java_lang_String::value(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
  int          offset = java_lang_String::offset(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
  int          length = java_lang_String::length(obj);
3796
7082ef16e6e2 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents: 3686
diff changeset
   377
  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
   378
  Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   379
  return sym;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
}
489c9b5090e2 Initial load
duke
parents:
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_or_null(oop java_string) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   383
  typeArrayOop value  = java_lang_String::value(java_string);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   384
  int          offset = java_lang_String::offset(java_string);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   385
  int          length = java_lang_String::length(java_string);
3796
7082ef16e6e2 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents: 3686
diff changeset
   386
  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   387
  return SymbolTable::probe_unicode(base, length);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   388
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   389
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   390
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
int java_lang_String::utf8_length(oop java_string) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
  return UNICODE::utf8_length(position, length);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
char* java_lang_String::as_utf8_string(oop java_string) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  return UNICODE::as_utf8(position, length);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
7414
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   407
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
   408
  typeArrayOop value  = java_lang_String::value(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   409
  int          offset = java_lang_String::offset(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   410
  int          length = java_lang_String::length(java_string);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   411
  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
   412
  return UNICODE::as_utf8(position, length, buf, buflen);
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   413
}
940d84ca7fca 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 7405
diff changeset
   414
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
char* java_lang_String::as_utf8_string(oop java_string, int start, int len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
  assert(start + len <= length, "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
  jchar* position = value->char_at_addr(offset + start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
  return UNICODE::as_utf8(position, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
14078
2b2b8833c422 7199068: NPG: SharedSkipVerify is meaningless
coleenp
parents: 13952
diff changeset
   425
  assert(java_string->klass() == SystemDictionary::String_klass(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
         "must be java_string");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  typeArrayOop value  = java_lang_String::value(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  int          offset = java_lang_String::offset(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
  int          length = java_lang_String::length(java_string);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  if (length != len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
  for (int i = 0; i < len; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
    if (value->char_at(i + offset) != chars[i]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
20053
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   441
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
   442
  assert(str1->klass() == SystemDictionary::String_klass(),
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   443
         "must be java String");
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   444
  assert(str2->klass() == SystemDictionary::String_klass(),
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   445
         "must be java String");
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   446
  typeArrayOop value1  = java_lang_String::value(str1);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   447
  int          offset1 = java_lang_String::offset(str1);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   448
  int          length1 = java_lang_String::length(str1);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   449
  typeArrayOop value2  = java_lang_String::value(str2);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   450
  int          offset2 = java_lang_String::offset(str2);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   451
  int          length2 = java_lang_String::length(str2);
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   452
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   453
  if (length1 != length2) {
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   454
    return false;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   455
  }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   456
  for (int i = 0; i < length1; i++) {
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   457
    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
   458
      return false;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   459
    }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   460
  }
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   461
  return true;
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   462
}
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19266
diff changeset
   463
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
void java_lang_String::print(Handle java_string, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
  oop          obj    = java_string();
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   466
  assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  typeArrayOop value  = java_lang_String::value(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
  int          offset = java_lang_String::offset(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
  int          length = java_lang_String::length(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
  int end = MIN2(length, 100);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
  if (value == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
    // This can happen if, e.g., printing a String
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
    // object before its initializer has been called
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
    st->print_cr("NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
    st->print("\"");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
    for (int index = 0; index < length; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
      st->print("%c", value->char_at(index + offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
    st->print("\"");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   485
static void initialize_static_field(fieldDescriptor* fd, TRAPS) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   486
  Handle mirror (THREAD, fd->field_holder()->java_mirror());
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   487
  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
   488
  if (fd->has_initial_value()) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   489
    BasicType t = fd->field_type();
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   490
    switch (t) {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   491
      case T_BYTE:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   492
        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
   493
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   494
      case T_BOOLEAN:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   495
        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
   496
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   497
      case T_CHAR:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   498
        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
   499
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   500
      case T_SHORT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   501
        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
   502
              break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   503
      case T_INT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   504
        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
   505
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   506
      case T_FLOAT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   507
        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
   508
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   509
      case T_DOUBLE:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   510
        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
   511
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   512
      case T_LONG:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   513
        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
   514
        break;
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   515
      case T_OBJECT:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   516
        {
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   517
          #ifdef ASSERT
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   518
          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
   519
          assert(fd->signature() == sym, "just checking");
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   520
          #endif
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   521
          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
   522
          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
   523
        }
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
      default:
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   526
        THROW_MSG(vmSymbols::java_lang_ClassFormatError(),
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   527
                  "Illegal ConstantValue attribute in class file");
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   528
    }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   529
  }
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   530
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   531
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   532
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   533
void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   534
  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
   535
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   536
  // 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
   537
  if (!k->is_shared()) {
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   538
    if (k->oop_is_instance()) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   539
      // 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
   540
      // 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
   541
      // 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
   542
        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
   543
        if (fs.access_flags().is_static()) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   544
          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
   545
          fs.set_offset(real_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   546
        }
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   547
      }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   548
    }
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   549
  }
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   550
  create_mirror(k, Handle(NULL), CHECK);
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   551
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   553
oop java_lang_Class::create_mirror(KlassHandle k, Handle protection_domain, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
  assert(k->java_mirror() == NULL, "should only assign mirror once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  // Use this moment of initialization to cache modifier_flags also,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
  // to support Class.getModifiers().  Instance classes recalculate
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
  // the cached flags after the class file is parsed, but before the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
  // class is put into the system dictionary.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
  int computed_modifiers = k->compute_modifier_flags(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
  k->set_modifier_flags(computed_modifiers);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   561
  // 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
   562
  // the mirror.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   563
  if (SystemDictionary::Class_klass_loaded()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
    // Allocate mirror (java.lang.Class instance)
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   565
    Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0);
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   566
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   567
    InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass());
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   568
    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
   569
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
    // 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
   571
    if (k->oop_is_array()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
      Handle comp_mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
      if (k->oop_is_typeArray()) {
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
   574
        BasicType type = TypeArrayKlass::cast(k())->element_type();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
        comp_mirror = Universe::java_mirror(type);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   576
      } else {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   577
        assert(k->oop_is_objArray(), "Must be");
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
   578
        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
   579
        assert(element_klass != NULL, "Must have an element klass");
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   580
          comp_mirror = element_klass->java_mirror();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   582
      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
   583
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
        // Two-way link between the array klass and its component mirror:
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
   585
      ArrayKlass::cast(k())->set_component_mirror(comp_mirror());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   586
      set_array_klass(comp_mirror(), k());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   587
    } else {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   588
      assert(k->oop_is_instance(), "Must be");
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   589
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   590
      // Allocate a simple java object for a lock.
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   591
      // This needs to be a java object because during class initialization
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   592
      // it can be held across a java call.
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   593
      typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_NULL);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   594
      set_init_lock(mirror(), r);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   595
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   596
      // Set protection domain also
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   597
      set_protection_domain(mirror(), protection_domain());
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   598
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   599
      // Initialize static fields
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   600
      InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
    return mirror();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   604
    if (fixup_mirror_list() == NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   605
      GrowableArray<Klass*>* list =
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   606
       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
   607
      set_fixup_mirror_list(list);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   608
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   609
    fixup_mirror_list()->push(k());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   615
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   616
int  java_lang_Class::oop_size(oop java_class) {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   617
  assert(_oop_size_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   618
  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
   619
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   620
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
   621
  assert(_oop_size_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   622
  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
   623
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   624
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
   625
  assert(_static_oop_field_count_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   626
  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
   627
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   628
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
   629
  assert(_static_oop_field_count_offset != 0, "must be set");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   630
  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
   631
}
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   632
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   633
oop java_lang_Class::protection_domain(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   634
  assert(_protection_domain_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   635
  return java_class->obj_field(_protection_domain_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   636
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   637
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
   638
  assert(_protection_domain_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   639
  java_class->obj_field_put(_protection_domain_offset, pd);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   640
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   641
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   642
oop java_lang_Class::init_lock(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   643
  assert(_init_lock_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   644
  return java_class->obj_field(_init_lock_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   645
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   646
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
   647
  assert(_init_lock_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   648
  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
   649
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   650
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   651
objArrayOop java_lang_Class::signers(oop java_class) {
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   652
  assert(_signers_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   653
  return (objArrayOop)java_class->obj_field(_signers_offset);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   654
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   655
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
   656
  assert(_signers_offset != 0, "must be set");
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   657
  java_class->obj_field_put(_signers_offset, (oop)signers);
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   658
}
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   659
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
   660
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
  // This should be improved by adding a field at the Java level or by
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
  // introducing a new VM klass (see comment in ClassFileParser)
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   664
  oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
  if (type != T_VOID) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   666
    Klass* aklass = Universe::typeArrayKlassObj(type);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
    assert(aklass != NULL, "correct bootstrap");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
    set_array_klass(java_class, aklass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
  }
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   670
#ifdef ASSERT
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   671
  InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass());
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   672
  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
   673
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
  return java_class;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   678
Klass* java_lang_Class::as_Klass(oop java_class) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
  //%note memory_2
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8676
diff changeset
   680
  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
   681
  Klass* k = ((Klass*)java_class->metadata_field(_klass_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
  assert(k == NULL || k->is_klass(), "type check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   684
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   687
void java_lang_Class::set_klass(oop java_class, Klass* klass) {
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   688
  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
   689
  java_class->metadata_field_put(_klass_offset, klass);
10742
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   690
}
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   691
a64c942e4e6b 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 10565
diff changeset
   692
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   693
void java_lang_Class::print_signature(oop java_class, outputStream* st) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   694
  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
   695
  Symbol* name = NULL;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   696
  bool is_instance = false;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   697
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   698
    name = vmSymbols::type_signature(primitive_type(java_class));
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   699
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   700
    Klass* k = as_Klass(java_class);
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   701
    is_instance = k->oop_is_instance();
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   702
    name = k->name();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   703
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   704
  if (name == NULL) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   705
    st->print("<null>");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   706
    return;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   707
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   708
  if (is_instance)  st->print("L");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   709
  st->write((char*) name->base(), (int) name->utf8_length());
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   710
  if (is_instance)  st->print(";");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   711
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   712
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   713
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
   714
  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
   715
  Symbol* name;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   716
  if (is_primitive(java_class)) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   717
    name = vmSymbols::type_signature(primitive_type(java_class));
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   718
    // 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
   719
    // 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
   720
    // 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
   721
    name->increment_refcount();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   722
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   723
    Klass* k = as_Klass(java_class);
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   724
    if (!k->oop_is_instance()) {
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   725
      name = k->name();
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   726
      name->increment_refcount();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   727
    } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   728
      ResourceMark rm;
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   729
      const char* sigstr = k->signature_name();
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   730
      int         siglen = (int) strlen(sigstr);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   731
      if (!intern_if_not_found) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   732
        name = SymbolTable::probe(sigstr, siglen);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   733
      } else {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   734
        name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   735
      }
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   736
    }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   737
  }
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
   738
  return name;
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   739
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   740
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   741
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   742
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
   743
  Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   744
  assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
  return k;
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
void java_lang_Class::set_array_klass(oop java_class, Klass* klass) {
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   750
  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
   751
  java_class->metadata_field_put(_array_klass_offset, klass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   752
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
bool java_lang_Class::is_primitive(oop java_class) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   756
  // should assert:
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   757
  //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
   758
  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
   759
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   760
#ifdef ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   761
  if (is_primitive) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   762
    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
   763
    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
   764
        "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
   765
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   766
#endif
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   767
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   768
  return is_primitive;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
BasicType java_lang_Class::primitive_type(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
  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
   774
  Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
  BasicType type = T_VOID;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
  if (ak != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
    // 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
   778
    type = ArrayKlass::cast(ak)->element_type();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
    assert(java_class == Universe::void_mirror(), "only valid non-array primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
  assert(Universe::java_mirror(type) == java_class, "must be consistent");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
  return type;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   786
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
   787
  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
   788
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   789
    if (reference_klass != NULL)
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   790
      (*reference_klass) = NULL;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   791
    return primitive_type(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   792
  } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   793
    if (reference_klass != NULL)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   794
      (*reference_klass) = as_Klass(java_class);
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   795
    return T_OBJECT;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   796
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   797
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   798
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
oop java_lang_Class::primitive_mirror(BasicType t) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
  oop mirror = Universe::java_mirror(t);
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   802
  assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
  assert(java_lang_Class::is_primitive(mirror), "must be primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
  return mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
bool java_lang_Class::offsets_computed = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
int  java_lang_Class::classRedefinedCount_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
void java_lang_Class::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
  assert(!offsets_computed, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
  offsets_computed = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   814
  Klass* klass_oop = SystemDictionary::Class_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
  // The classRedefinedCount field is only present starting in 1.5,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
  // so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   817
  compute_optional_offset(classRedefinedCount_offset,
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   818
                          klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature());
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   819
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
   820
  CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
int java_lang_Class::classRedefinedCount(oop the_class_mirror) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
  if (!JDK_Version::is_gte_jdk15x_version()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
      || classRedefinedCount_offset == -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
    // The classRedefinedCount field is only present starting in 1.5.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
    // If we don't have an offset for it then just return -1 as a marker.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
489c9b5090e2 Initial load
duke
parents:
diff changeset
   831
  return the_class_mirror->int_field(classRedefinedCount_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
  if (!JDK_Version::is_gte_jdk15x_version()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
      || classRedefinedCount_offset == -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
    // The classRedefinedCount field is only present starting in 1.5.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
    // If we don't have an offset for it then nothing to set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
  the_class_mirror->int_field_put(classRedefinedCount_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
// Note: JDK1.1 and before had a privateInfo_offset field which was used for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
//       platform thread structure, and a eetop offset which was used for thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
//       local storage (and unused by the HotSpot VM). In JDK1.2 the two structures
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
//       merged, so in the HotSpot VM we just use the eetop field for the thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
//       instead of the privateInfo_offset.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
// Note: The stackSize field is only present starting in 1.4.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
int java_lang_Thread::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
int java_lang_Thread::_group_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
int java_lang_Thread::_contextClassLoader_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
int java_lang_Thread::_inheritedAccessControlContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
int java_lang_Thread::_priority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
int java_lang_Thread::_eetop_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
int java_lang_Thread::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
int java_lang_Thread::_stillborn_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
int java_lang_Thread::_stackSize_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
int java_lang_Thread::_tid_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
int java_lang_Thread::_thread_status_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
int java_lang_Thread::_park_blocker_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
int java_lang_Thread::_park_event_offset = 0 ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
void java_lang_Thread::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
  assert(_group_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   872
  Klass* k = SystemDictionary::Thread_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   873
  compute_offset(_name_offset,      k, vmSymbols::name_name(),      vmSymbols::char_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   874
  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
   875
  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
   876
  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
   877
  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
   878
  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
   879
  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
   880
  compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   881
  // 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
   882
  compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   883
  // 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
   884
  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
   885
  compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
  // 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
   887
  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
   888
  compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
 vmSymbols::long_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
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
   894
  return (JavaThread*)java_thread->address_field(_eetop_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
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
   899
  java_thread->address_field_put(_eetop_offset, (address)thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
typeArrayOop java_lang_Thread::name(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
  oop name = java_thread->obj_field(_name_offset);
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13738
diff changeset
   905
  assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
  return typeArrayOop(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
  assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
  java_thread->obj_field_put(_name_offset, name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
ThreadPriority java_lang_Thread::priority(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
  return (ThreadPriority)java_thread->int_field(_priority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
  java_thread->int_field_put(_priority_offset, priority);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
oop java_lang_Thread::threadGroup(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
  return java_thread->obj_field(_group_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
bool java_lang_Thread::is_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
  return java_thread->bool_field(_stillborn_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
// We never have reason to turn the stillborn bit off
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
void java_lang_Thread::set_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
  java_thread->bool_field_put(_stillborn_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
bool java_lang_Thread::is_alive(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
  JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
  return (thr != NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
bool java_lang_Thread::is_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
  return java_thread->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
void java_lang_Thread::set_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
  java_thread->bool_field_put(_daemon_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
oop java_lang_Thread::context_class_loader(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
  return java_thread->obj_field(_contextClassLoader_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
oop java_lang_Thread::inherited_access_control_context(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
  return java_thread->obj_field(_inheritedAccessControlContext_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
jlong java_lang_Thread::stackSize(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
  // The stackSize field is only present starting in 1.4
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  if (_stackSize_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
    assert(JDK_Version::is_gte_jdk14x_version(), "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
    return java_thread->long_field(_stackSize_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
// Write the thread status value to threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   977
void java_lang_Thread::set_thread_status(oop java_thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
                                         java_lang_Thread::ThreadStatus status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
    java_thread->int_field_put(_thread_status_offset, status);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   982
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   983
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
// Read thread status value from threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
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
   987
  assert(Thread::current()->is_Watcher_thread() || Thread::current()->is_VM_thread() ||
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
         JavaThread::current()->thread_state() == _thread_in_vm,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
         "Java Thread is not running in vm");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   992
    return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
    // All we can easily figure out is if it is alive, but that is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
    // enough info for a valid unknown status.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
    // These aren't restricted to valid set ThreadStatus values, so
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
    // use JVMTI values and cast.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
    JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
    if (thr == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
      // the thread hasn't run yet or is in the process of exiting
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
      return NEW;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
    return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
jlong java_lang_Thread::thread_id(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
  // The thread ID field is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
  if (_tid_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
    return java_thread->long_field(_tid_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
oop java_lang_Thread::park_blocker(oop java_thread) {
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
  1018
  assert(JDK_Version::current().supports_thread_park_blocker() &&
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
  1019
         _park_blocker_offset != 0, "Must support parkBlocker field");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
  if (_park_blocker_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
    return java_thread->obj_field(_park_blocker_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
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1027
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
jlong java_lang_Thread::park_event(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
    return java_thread->long_field(_park_event_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
  return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
    java_thread->long_field_put(_park_event_offset, ptr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
const char* java_lang_Thread::thread_status_name(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
  assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
  ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
  switch (status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
    case NEW                      : return "NEW";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
    case RUNNABLE                 : return "RUNNABLE";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
    case SLEEPING                 : return "TIMED_WAITING (sleeping)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
    case IN_OBJECT_WAIT           : return "WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
    case IN_OBJECT_WAIT_TIMED     : return "TIMED_WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
    case PARKED                   : return "WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
    case PARKED_TIMED             : return "TIMED_WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
    case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
    case TERMINATED               : return "TERMINATED";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
    default                       : return "UNKNOWN";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
int java_lang_ThreadGroup::_parent_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
int java_lang_ThreadGroup::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
int java_lang_ThreadGroup::_threads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
int java_lang_ThreadGroup::_groups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
int java_lang_ThreadGroup::_maxPriority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
int java_lang_ThreadGroup::_destroyed_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
int java_lang_ThreadGroup::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
int java_lang_ThreadGroup::_nthreads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
int java_lang_ThreadGroup::_ngroups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
oop  java_lang_ThreadGroup::parent(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
  return java_thread_group->obj_field(_parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
// ("name as oop" accessor is not necessary)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
  oop name = java_thread_group->obj_field(_name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
  // ThreadGroup.name can be null
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
  return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
int java_lang_ThreadGroup::nthreads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1086
  return java_thread_group->int_field(_nthreads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1088
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1089
objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
  oop threads = java_thread_group->obj_field(_threads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
  assert(threads != NULL, "threadgroups should have threads");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
  assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
  return objArrayOop(threads);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
int java_lang_ThreadGroup::ngroups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
  return java_thread_group->int_field(_ngroups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
  oop groups = java_thread_group->obj_field(_groups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
  assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
  return objArrayOop(groups);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
  return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
  return java_thread_group->bool_field(_destroyed_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
  return java_thread_group->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
  return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
void java_lang_ThreadGroup::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
  assert(_parent_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1130
  Klass* k = SystemDictionary::ThreadGroup_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1132
  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
  1133
  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
  1134
  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
  1135
  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
  1136
  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
  1137
  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
  1138
  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
  1139
  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
  1140
  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
  1141
  compute_offset(_ngroups_offset,     k, vmSymbols::ngroups_name(),     vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1144
oop java_lang_Throwable::unassigned_stacktrace() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1145
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass());
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1146
  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
  1147
  if (UseCompressedOops) {
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1148
    return oopDesc::load_decode_heap_oop((narrowOop *)addr);
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1149
  } else {
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1150
    return oopDesc::load_decode_heap_oop((oop*)addr);
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1151
  }
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1152
}
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1153
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
oop java_lang_Throwable::backtrace(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
  return throwable->obj_field_acquire(backtrace_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
void java_lang_Throwable::set_backtrace(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
  throwable->release_obj_field_put(backtrace_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1164
oop java_lang_Throwable::message(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
oop java_lang_Throwable::message(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
void java_lang_Throwable::set_message(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
  throwable->obj_field_put(detailMessage_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1179
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
  1180
  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
  1181
}
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1182
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
void java_lang_Throwable::clear_stacktrace(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
  assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4");
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1185
  set_stacktrace(throwable, NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
void java_lang_Throwable::print(oop throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1191
  Klass* k = throwable->klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
  assert(k != NULL, "just checking");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1193
  st->print("%s", InstanceKlass::cast(k)->external_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
void java_lang_Throwable::print(Handle throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1203
  Klass* k = throwable->klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
  assert(k != NULL, "just checking");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1205
  st->print("%s", InstanceKlass::cast(k)->external_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1206
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1212
// After this many redefines, the stack trace is unreliable.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1213
const int MAX_VERSION = USHRT_MAX;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1214
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1215
// Helper backtrace functions to store bci|version together.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1216
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
  1217
  // only store u2 for version, checking for overflow.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1218
  if (version > USHRT_MAX || version < 0) version = MAX_VERSION;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1219
  assert((jushort)bci == bci, "bci should be short");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1220
  return build_int_from_shorts(version, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1221
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1222
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1223
static inline int bci_at(unsigned int merged) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1224
  return extract_high_short_from_int(merged);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1225
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1226
static inline int version_at(unsigned int merged) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1227
  return extract_low_short_from_int(merged);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1228
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1230
static inline bool version_matches(Method* method, int version) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1231
  return (method->constants()->version() == version && version < MAX_VERSION);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1232
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1233
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1234
static inline int get_line_number(Method* method, int bci) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1235
  int line_number = 0;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1236
  if (method->is_native()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1237
    // Negative value different from -1 below, enabling Java code in
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1238
    // class java.lang.StackTraceElement to distinguish "native" from
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1239
    // "no LineNumberTable".  JDK tests for -2.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1240
    line_number = -2;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
  } else {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1242
    // Returns -1 if no LineNumberTable, and otherwise actual line number
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1243
    line_number = method->line_number_from_bci(bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1244
    if (line_number == -1 && ShowHiddenFrames) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1245
      line_number = bci + 1000000;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1248
  return line_number;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
// This class provides a simple wrapper over the internal structure of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
// exception backtrace to insulate users of the backtrace from needing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
// to know what it looks like.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
class BacktraceBuilder: public StackObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
  Handle          _backtrace;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
  objArrayOop     _head;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1258
  typeArrayOop    _methods;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
  typeArrayOop    _bcis;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1260
  objArrayOop     _mirrors;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
  int             _index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
  No_Safepoint_Verifier _nsv;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
    trace_methods_offset = java_lang_Throwable::trace_methods_offset,
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1268
    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
  1269
    trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
    trace_next_offset    = java_lang_Throwable::trace_next_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
    trace_size           = java_lang_Throwable::trace_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1272
    trace_chunk_size     = java_lang_Throwable::trace_chunk_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1275
  // get info out of chunks
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1276
  static typeArrayOop get_methods(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1277
    typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1278
    assert(methods != NULL, "method array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1279
    return methods;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1280
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1281
  static typeArrayOop get_bcis(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1282
    typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1283
    assert(bcis != NULL, "bci array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1284
    return bcis;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1285
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1286
  static objArrayOop get_mirrors(objArrayHandle chunk) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1287
    objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1288
    assert(mirrors != NULL, "mirror array should be initialized in backtrace");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1289
    return mirrors;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1290
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1291
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
  // constructor for new backtrace
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1293
  BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
    expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
    _backtrace = _head;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1299
  BacktraceBuilder(objArrayHandle backtrace) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1300
    _methods = get_methods(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1301
    _bcis = get_bcis(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1302
    _mirrors = get_mirrors(backtrace);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1303
    assert(_methods->length() == _bcis->length() &&
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1304
           _methods->length() == _mirrors->length(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1305
           "method and source information arrays should match");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1306
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1307
    // head is the preallocated backtrace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1308
    _backtrace = _head = backtrace();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1309
    _index = 0;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1310
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1311
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
  void expand(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
    objArrayHandle old_head(THREAD, _head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
    Pause_No_Safepoint_Verifier pnsv(&_nsv);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
    objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
    objArrayHandle new_head(THREAD, head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1319
    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
  1320
    typeArrayHandle new_methods(THREAD, methods);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1322
    typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
    typeArrayHandle new_bcis(THREAD, bcis);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1325
    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
  1326
    objArrayHandle new_mirrors(THREAD, mirrors);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1327
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
    if (!old_head.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
      old_head->obj_at_put(trace_next_offset, new_head());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
    new_head->obj_at_put(trace_methods_offset, new_methods());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
    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
  1333
    new_head->obj_at_put(trace_mirrors_offset, new_mirrors());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
    _head    = new_head();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
    _methods = new_methods();
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1337
    _bcis = new_bcis();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1338
    _mirrors = new_mirrors();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1339
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
  oop backtrace() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
    return _backtrace();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1346
  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
  1347
    // 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
  1348
    // 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
  1349
    // 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
  1350
    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
  1351
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
    if (_index >= trace_chunk_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
      methodHandle mhandle(THREAD, method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
      expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
      method = mhandle();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1358
    _methods->short_at_put(_index, method->method_idnum());
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1359
    _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1360
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1361
    // 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
  1362
    // from being unloaded while we still have this stack trace.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1363
    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
  1364
    _mirrors->obj_at_put(_index, method->method_holder()->java_mirror());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
    _index++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1368
};
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1369
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1370
// Print stack trace element to resource allocated buffer
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1371
char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror,
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1372
                                  int method_id, int version, int bci) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1373
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1374
  // Get strings and string lengths
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1375
  InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1376
  const char* klass_name  = holder->external_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1377
  int buf_len = (int)strlen(klass_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1378
20378
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1379
  // The method id may point to an obsolete method, can't get more stack information
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1380
  Method* method = holder->method_with_idnum(method_id);
20378
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1381
  if (method == NULL) {
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1382
    char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1383
    // This is what the java code prints in this case - added Redefined
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1384
    sprintf(buf, "\tat %s.null (Redefined)", klass_name);
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1385
    return buf;
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1386
  }
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1387
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1388
  char* method_name = method->name()->as_C_string();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1389
  buf_len += (int)strlen(method_name);
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
  char* source_file_name = NULL;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1392
  if (version_matches(method, version)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1393
    Symbol* source = holder->source_file_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1394
    if (source != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1395
      source_file_name = source->as_C_string();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1396
      buf_len += (int)strlen(source_file_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1397
    }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1398
  }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1399
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1400
  // 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
  1401
  char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1402
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1403
  // Print stack trace line in buffer
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1404
  sprintf(buf, "\tat %s.%s", klass_name, method_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1405
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1406
  if (!version_matches(method, version)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1407
    strcat(buf, "(Redefined)");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1408
  } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1409
    int line_number = get_line_number(method, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1410
    if (line_number == -2) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1411
      strcat(buf, "(Native Method)");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1412
    } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1413
      if (source_file_name != NULL && (line_number != -1)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1414
        // Sourcename and linenumber
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1415
        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
  1416
      } else if (source_file_name != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1417
        // Just sourcename
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1418
        sprintf(buf + (int)strlen(buf), "(%s)", source_file_name);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1419
      } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1420
        // Neither sourcename nor linenumber
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1421
        sprintf(buf + (int)strlen(buf), "(Unknown Source)");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1422
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1423
      nmethod* nm = method->code();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1424
      if (WizardMode && nm != NULL) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1425
        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
  1426
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1427
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1430
  return buf;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1431
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1432
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1433
void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror,
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1434
                                              int method_id, int version, int bci) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1435
  ResourceMark rm;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1436
  char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1437
  st->print_cr("%s", buf);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1438
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1439
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1440
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
  1441
  Handle mirror = method->method_holder()->java_mirror();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1442
  int method_id = method->method_idnum();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1443
  int version = method->constants()->version();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1444
  print_stack_element(st, mirror, method_id, version, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1445
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1446
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1447
const char* java_lang_Throwable::no_stack_trace_message() {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1448
  return "\t<<no stack trace available>>";
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1449
}
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1450
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1451
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1452
// Currently used only for exceptions occurring during startup
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1453
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
  1454
  Thread *THREAD = Thread::current();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1455
  Handle h_throwable(THREAD, throwable);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1456
  while (h_throwable.not_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1457
    objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable())));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1458
    if (result.is_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1459
      st->print_cr(no_stack_trace_message());
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1460
      return;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1461
    }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1462
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1463
    while (result.not_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1464
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1465
      // Get method id, bci, version and mirror from chunk
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1466
      typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1467
      typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1468
      objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1469
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1470
      int length = methods()->length();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1471
      for (int index = 0; index < length; index++) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1472
        Handle mirror(THREAD, mirrors->obj_at(index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1473
        // NULL mirror means end of stack trace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1474
        if (mirror.is_null()) goto handle_cause;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1475
        int method = methods->short_at(index);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1476
        int version = version_at(bcis->int_at(index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1477
        int bci = bci_at(bcis->int_at(index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1478
        print_stack_element(st, mirror, method, version, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1479
      }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1480
      result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset)));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1481
    }
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1482
  handle_cause:
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1483
    {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1484
      EXCEPTION_MARK;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1485
      JavaValue cause(T_OBJECT);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1486
      JavaCalls::call_virtual(&cause,
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1487
                              h_throwable,
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1488
                              KlassHandle(THREAD, h_throwable->klass()),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1489
                              vmSymbols::getCause_name(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1490
                              vmSymbols::void_throwable_signature(),
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1491
                              THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1492
      // 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
  1493
      if (HAS_PENDING_EXCEPTION) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1494
        CLEAR_PENDING_EXCEPTION;
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1495
        h_throwable = Handle();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1496
      } else {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1497
        h_throwable = Handle(THREAD, (oop) cause.get_jobject());
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1498
        if (h_throwable.not_null()) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1499
          st->print("Caused by: ");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1500
          print(h_throwable, st);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1501
          st->cr();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1502
        }
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
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1506
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1508
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
  // Start out by clearing the backtrace for this object, in case the VM
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
  // runs out of memory while allocating the stack trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
  set_backtrace(throwable(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
  if (JDK_Version::is_gte_jdk14x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
    // New since 1.4, clear lazily constructed Java level stacktrace if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
    // refilling occurs
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1518
    // This is unnecessary in 1.7+ but harmless
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
    clear_stacktrace(throwable());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
  int max_depth = MaxJavaStackTraceDepth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
  JavaThread* thread = (JavaThread*)THREAD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
  BacktraceBuilder bt(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1526
  // 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
  1527
  // with bci 0
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1528
  if (!thread->has_last_Java_frame()) {
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1529
    if (max_depth >= 1 && method() != NULL) {
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1530
      bt.push(method(), 0, CHECK);
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1531
      set_backtrace(throwable(), bt.backtrace());
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1532
    }
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1533
    return;
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1534
  }
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1535
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
  // Instead of using vframe directly, this version of fill_in_stack_trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
  // basically handles everything by hand. This significantly improved the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1538
  // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1539
  // See bug 6333838 for  more details.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
  // The "ASSERT" here is to verify this method generates the exactly same stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
  // trace as utilizing vframe.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1543
  vframeStream st(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
  methodHandle st_method(THREAD, st.method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
  int total_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
  RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
  int decode_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
  nmethod* nm = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
  bool skip_fillInStackTrace_check = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
  bool skip_throwableInit_check = false;
13392
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1552
  bool skip_hidden = !ShowHiddenFrames;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
  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
  1555
    Method* method = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
    int bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
    // Compiled java method case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
    if (decode_offset != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1560
      DebugInfoReadStream stream(nm, decode_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
      decode_offset = stream.read_int();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1562
      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
  1563
      bci = stream.read_bci();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
      if (fr.is_first_frame()) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
      address pc = fr.pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
      if (fr.is_interpreted_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
        intptr_t bcx = fr.interpreter_frame_bcx();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
        method = fr.interpreter_frame_method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
        bci =  fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
        CodeBlob* cb = fr.cb();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
        // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
        // but non nmethod
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
        if (cb == NULL || !cb->is_nmethod()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
        nm = (nmethod*)cb;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
        if (nm->method()->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
          method = nm->method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
          bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
          PcDesc* pd = nm->pc_desc_at(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
          decode_offset = pd->scope_decode_offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
          // if decode_offset is not equal to 0, it will execute the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
          // "compiled java method case" at the beginning of the loop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
#ifdef ASSERT
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1594
    assert(st_method() == method && st.bci() == bci,
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1595
           "Wrong stack trace");
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1596
    st.next();
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1597
    // 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
  1598
    // of the Method* in case we GC.
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1599
    if (!st.at_end()) {
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1600
      st_method = st.method();
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1601
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
#endif
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1603
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1604
    // the format of the stacktrace will be:
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1605
    // - 1 or more fillInStackTrace frames for the exception class (skipped)
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1606
    // - 0 or more <init> methods for the exception class (skipped)
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1607
    // - rest of the stack
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1608
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
    if (!skip_fillInStackTrace_check) {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1610
      if ((method->name() == vmSymbols::fillInStackTrace_name() ||
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1611
           method->name() == vmSymbols::fillInStackTrace0_name()) &&
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1612
          throwable->is_a(method->method_holder())) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
      }
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1615
      else {
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1616
        skip_fillInStackTrace_check = true; // gone past them all
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1617
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1618
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1619
    if (!skip_throwableInit_check) {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1620
      assert(skip_fillInStackTrace_check, "logic error in backtrace filtering");
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1621
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1622
      // skip <init> methods of the exception class and superclasses
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1623
      // This is simlar to classic VM.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
      if (method->name() == vmSymbols::object_initializer_name() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1625
          throwable->is_a(method->method_holder())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1626
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1627
      } else {
9132
59f29856d4b2 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 8728
diff changeset
  1628
        // there are none or we've seen them all - either way stop checking
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1629
        skip_throwableInit_check = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1630
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  1632
    if (method->is_hidden()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  1633
      if (skip_hidden)  continue;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  1634
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1635
    bt.push(method, bci, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
    total_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
  // Put completed stack trace into throwable object
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1640
  set_backtrace(throwable(), bt.backtrace());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1642
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1643
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
  if (!StackTraceInThrowable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
  // Disable stack traces for some preallocated out of memory errors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1650
  if (!Universe::should_fill_in_stack_trace(throwable)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1652
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
  PRESERVE_EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1655
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1656
  JavaThread* thread = JavaThread::active();
9321
c29711c6ae35 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 9133
diff changeset
  1657
  fill_in_stack_trace(throwable, method, thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
  // ignore exceptions thrown during stack trace filling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1659
  CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1660
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1661
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1662
void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
  // Allocate stack trace - backtrace is created but not filled in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1665
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
  if (!StackTraceInThrowable) return;
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1667
  BacktraceBuilder bt(CHECK);   // creates a backtrace
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1668
  set_backtrace(throwable(), bt.backtrace());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1669
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1670
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
  // Fill in stack trace into preallocated backtrace (no GC)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1678
  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1680
  JavaThread* THREAD = JavaThread::current();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1681
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1682
  objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1683
  assert(backtrace.not_null(), "backtrace should have been preallocated");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1684
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1685
  ResourceMark rm(THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1686
  vframeStream st(THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1687
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1688
  BacktraceBuilder bt(backtrace);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
  // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
  // methods as preallocated errors aren't created by "java" code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
  // fill in as much stack trace as possible
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1694
  typeArrayOop methods = BacktraceBuilder::get_methods(backtrace);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
  int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
  int chunk_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
  for (;!st.at_end(); st.next()) {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1699
    bt.push(st.method(), st.bci(), CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
    chunk_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
    // Bail-out for deep stacks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
    if (chunk_count >= max_chunks) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
  }
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1705
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1706
  // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1707
  // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1708
  // can be removed in a JDK using this JVM version
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1709
  if (JDK_Version::is_gte_jdk17x_version()) {
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1710
      java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace());
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1711
      assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized");
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  1712
  }
1
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
int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
  if (throwable == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
    THROW_0(vmSymbols::java_lang_NullPointerException());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
  objArrayOop chunk = objArrayOop(backtrace(throwable));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
  int depth = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
  if (chunk != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
    // Iterate over chunks and count full ones
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
    while (true) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
      objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
      if (next == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
      depth += trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
      chunk = next;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
    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
  1731
    // Count element in remaining partial chunk.  NULL value for mirror
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1732
    // 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
  1733
    objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1734
    assert(mirrors != NULL, "sanity check");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1735
    for (int i = 0; i < mirrors->length(); i++) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1736
      if (mirrors->obj_at(i) == NULL) break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
      depth++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
  return depth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
  if (throwable == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
    THROW_0(vmSymbols::java_lang_NullPointerException());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
  if (index < 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
  // Compute how many chunks to skip and index into actual chunk
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
  objArrayOop chunk = objArrayOop(backtrace(throwable));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
  int skip_chunks = index / trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
  int chunk_index = index % trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
  while (chunk != NULL && skip_chunks > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
    chunk = objArrayOop(chunk->obj_at(trace_next_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
        skip_chunks--;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
  if (chunk == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
  }
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1762
  // Get method id, bci, version and mirror from chunk
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1763
  typeArrayOop methods = BacktraceBuilder::get_methods(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1764
  typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1765
  objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1766
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1767
  assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check");
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1768
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1769
  int method = methods->short_at(chunk_index);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1770
  int version = version_at(bcis->int_at(chunk_index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1771
  int bci = bci_at(bcis->int_at(chunk_index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1772
  Handle mirror(THREAD, mirrors->obj_at(chunk_index));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1773
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
  // Chunk can be partial full
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1775
  if (mirror.is_null()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1779
  oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
  return element;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
20378
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1783
oop java_lang_StackTraceElement::create(Handle mirror, int method_id,
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1784
                                        int version, int bci, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
  // Allocate java.lang.StackTraceElement instance
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1786
  Klass* k = SystemDictionary::StackTraceElement_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1787
  assert(k != NULL, "must be loaded in 1.4+");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
  instanceKlassHandle ik (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
  if (ik->should_be_initialized()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1790
    ik->initialize(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
  Handle element = ik->allocate_instance_handle(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
  // Fill in class name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
  ResourceMark rm(THREAD);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1796
  InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1797
  const char* str = holder->external_name();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
  oop classname = StringTable::intern((char*) str, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
  java_lang_StackTraceElement::set_declaringClass(element(), classname);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1800
20378
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1801
  Method* method = holder->method_with_idnum(method_id);
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1802
  // Method on stack may be obsolete because it was redefined so cannot be
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1803
  // found by idnum.
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1804
  if (method == NULL) {
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1805
    // leave name and fileName null
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1806
    java_lang_StackTraceElement::set_lineNumber(element(), -1);
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1807
    return element();
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1808
  }
a296c8e1c5d2 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 20053
diff changeset
  1809
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
  // Fill in method name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
  oop methodname = StringTable::intern(method->name(), CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
  java_lang_StackTraceElement::set_methodName(element(), methodname);
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1813
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1814
  if (!version_matches(method, version)) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1815
    // 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
  1816
    java_lang_StackTraceElement::set_fileName(element(), NULL);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1817
    java_lang_StackTraceElement::set_lineNumber(element(), -1);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
  } else {
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1819
    // Fill in source file name and line number.
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1820
    Symbol* source = holder->source_file_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1821
    if (ShowHiddenFrames && source == NULL)
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1822
      source = vmSymbols::unknown_class_name();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1823
    oop filename = StringTable::intern(source, CHECK_0);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1824
    java_lang_StackTraceElement::set_fileName(element(), filename);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1825
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1826
    int line_number = get_line_number(method, bci);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1827
    java_lang_StackTraceElement::set_lineNumber(element(), line_number);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
  return element();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
15229
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1832
oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) {
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1833
  Handle mirror (THREAD, method->method_holder()->java_mirror());
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1834
  int method_id = method->method_idnum();
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1835
  return create(mirror, method_id, method->constants()->version(), bci, THREAD);
5341188db763 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 15102
diff changeset
  1836
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1838
void java_lang_reflect_AccessibleObject::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1839
  Klass* k = SystemDictionary::reflect_AccessibleObject_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1840
  compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1843
jboolean java_lang_reflect_AccessibleObject::override(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
  return (jboolean) reflect->bool_field(override_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1846
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1847
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1849
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1850
  reflect->bool_field_put(override_offset, (int) value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1851
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1852
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
void java_lang_reflect_Method::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1854
  Klass* k = SystemDictionary::reflect_Method_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1855
  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
  1856
  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
  1857
  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
  1858
  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
  1859
  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
  1860
  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
  1861
  compute_offset(modifiers_offset,      k, vmSymbols::modifiers_name(),      vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1863
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1865
  parameter_annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
  annotation_default_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  1867
  type_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1868
  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
  1869
  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
  1870
  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
  1871
  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
  1872
  compute_optional_offset(type_annotations_offset,      k, vmSymbols::type_annotations_name(),      vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
Handle java_lang_reflect_Method::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
  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
  1877
  Klass* klass = SystemDictionary::reflect_Method_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
  // This class is eagerly initialized during VM initialization, since we keep a refence
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
  // to one of the methods
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1880
  assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1881
  return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
oop java_lang_reflect_Method::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1885
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1886
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1887
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1888
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1889
void java_lang_reflect_Method::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1890
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1891
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1892
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
int java_lang_reflect_Method::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1895
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
void java_lang_reflect_Method::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1902
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1903
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
oop java_lang_reflect_Method::name(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
  return method->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
void java_lang_reflect_Method::set_name(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
  method->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
oop java_lang_reflect_Method::return_type(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1915
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1916
  return method->obj_field(returnType_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
void java_lang_reflect_Method::set_return_type(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1921
  method->obj_field_put(returnType_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1922
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1923
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1924
oop java_lang_reflect_Method::parameter_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
  return method->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1928
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1929
void java_lang_reflect_Method::set_parameter_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1930
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1931
  method->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1932
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1933
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1934
oop java_lang_reflect_Method::exception_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1935
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1936
  return method->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1939
void java_lang_reflect_Method::set_exception_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1940
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1941
  method->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1943
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1944
int java_lang_reflect_Method::modifiers(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1945
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
  return method->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
void java_lang_reflect_Method::set_modifiers(oop method, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1950
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1951
  method->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1952
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1954
bool java_lang_reflect_Method::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1955
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1956
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1957
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1958
oop java_lang_reflect_Method::signature(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1959
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1961
  return method->obj_field(signature_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_Method::set_signature(oop method, oop 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
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1967
  method->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1968
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1969
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1970
bool java_lang_reflect_Method::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1971
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1972
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1973
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1974
oop java_lang_reflect_Method::annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1975
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1976
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1977
  return method->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1978
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1979
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1980
void java_lang_reflect_Method::set_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1981
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1982
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1983
  method->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1984
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1985
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1986
bool java_lang_reflect_Method::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1987
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1988
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1989
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1990
oop java_lang_reflect_Method::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1991
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1992
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1993
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1994
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1995
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1996
void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1997
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1998
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1999
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2000
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2001
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2002
bool java_lang_reflect_Method::has_annotation_default_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
  return (annotation_default_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
oop java_lang_reflect_Method::annotation_default(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2007
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2009
  return method->obj_field(annotation_default_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
void java_lang_reflect_Method::set_annotation_default(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
  method->obj_field_put(annotation_default_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2018
bool java_lang_reflect_Method::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2019
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2020
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2021
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2022
oop java_lang_reflect_Method::type_annotations(oop method) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2023
  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
  2024
  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
  2025
  return method->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2026
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2027
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2028
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
  2029
  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
  2030
  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
  2031
  method->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2032
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2033
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
void java_lang_reflect_Constructor::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2035
  Klass* k = SystemDictionary::reflect_Constructor_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2036
  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
  2037
  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
  2038
  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
  2039
  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
  2040
  compute_offset(modifiers_offset,      k, vmSymbols::modifiers_name(),      vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2041
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2042
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2043
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2044
  parameter_annotations_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2045
  type_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2046
  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
  2047
  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
  2048
  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
  2049
  compute_optional_offset(type_annotations_offset,      k, vmSymbols::type_annotations_name(),      vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2050
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2051
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2052
Handle java_lang_reflect_Constructor::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2053
  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
  2054
  Symbol* name = vmSymbols::java_lang_reflect_Constructor();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2055
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2056
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2057
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
  klass->initialize(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
  return klass->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2060
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2061
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
oop java_lang_reflect_Constructor::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
oop java_lang_reflect_Constructor::parameter_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
  return constructor->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
  constructor->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2082
oop java_lang_reflect_Constructor::exception_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2083
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2084
  return constructor->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2085
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2086
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2087
void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2088
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2089
  constructor->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2090
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2091
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2092
int java_lang_reflect_Constructor::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2093
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2094
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2095
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2096
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
void java_lang_reflect_Constructor::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2099
  reflect->int_field_put(slot_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
int java_lang_reflect_Constructor::modifiers(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2103
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2104
  return constructor->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2105
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2106
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2107
void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2108
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2109
  constructor->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2111
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2112
bool java_lang_reflect_Constructor::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2113
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2114
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2115
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2116
oop java_lang_reflect_Constructor::signature(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2117
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2118
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2119
  return constructor->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2120
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2121
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2122
void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) {
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_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
  constructor->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2127
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2128
bool java_lang_reflect_Constructor::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2129
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2130
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
oop java_lang_reflect_Constructor::annotations(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2133
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2134
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2135
  return constructor->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2136
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2137
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2138
void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2139
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2140
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2141
  constructor->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2142
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2143
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2144
bool java_lang_reflect_Constructor::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2145
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2146
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2147
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2148
oop java_lang_reflect_Constructor::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2149
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2150
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2152
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2153
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2158
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2160
bool java_lang_reflect_Constructor::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2161
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2162
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2163
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2164
oop java_lang_reflect_Constructor::type_annotations(oop constructor) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2165
  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
  2166
  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
  2167
  return constructor->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2168
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2169
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2170
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
  2171
  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
  2172
  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
  2173
  constructor->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2174
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2175
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2176
void java_lang_reflect_Field::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2177
  Klass* k = SystemDictionary::reflect_Field_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2178
  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
  2179
  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
  2180
  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
  2181
  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
  2182
  compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2183
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2184
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2185
  annotations_offset = -1;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2186
  type_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2187
  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
  2188
  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
  2189
  compute_optional_offset(type_annotations_offset,  k, vmSymbols::type_annotations_name(),  vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2190
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2191
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2192
Handle java_lang_reflect_Field::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2193
  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
  2194
  Symbol* name = vmSymbols::java_lang_reflect_Field();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2195
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2196
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2197
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2198
  klass->initialize(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2199
  return klass->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2200
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2201
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2202
oop java_lang_reflect_Field::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2203
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2204
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2205
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2206
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2207
void java_lang_reflect_Field::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2208
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2209
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2210
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2211
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2212
oop java_lang_reflect_Field::name(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2213
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2214
  return field->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2215
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2216
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2217
void java_lang_reflect_Field::set_name(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2218
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2219
  field->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2220
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2221
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2222
oop java_lang_reflect_Field::type(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2223
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2224
  return field->obj_field(type_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2225
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2226
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2227
void java_lang_reflect_Field::set_type(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2228
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2229
  field->obj_field_put(type_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2230
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2231
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2232
int java_lang_reflect_Field::slot(oop reflect) {
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
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2235
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2236
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2237
void java_lang_reflect_Field::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2238
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2239
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2240
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2241
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2242
int java_lang_reflect_Field::modifiers(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2243
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2244
  return field->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2245
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2246
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2247
void java_lang_reflect_Field::set_modifiers(oop field, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2248
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2249
  field->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2250
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2251
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2252
bool java_lang_reflect_Field::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2253
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2254
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2255
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2256
oop java_lang_reflect_Field::signature(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2257
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2258
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2259
  return field->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2260
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2261
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2262
void java_lang_reflect_Field::set_signature(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2263
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2264
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2265
  field->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2266
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2267
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2268
bool java_lang_reflect_Field::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2269
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2270
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2271
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2272
oop java_lang_reflect_Field::annotations(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2273
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2274
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2275
  return field->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2276
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2277
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2278
void java_lang_reflect_Field::set_annotations(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2279
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2280
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2281
  field->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2282
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2283
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2284
bool java_lang_reflect_Field::has_type_annotations_field() {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2285
  return (type_annotations_offset >= 0);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2286
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2287
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2288
oop java_lang_reflect_Field::type_annotations(oop field) {
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2289
  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
  2290
  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
  2291
  return field->obj_field(type_annotations_offset);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2292
}
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2293
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2294
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
  2295
  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
  2296
  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
  2297
  field->obj_field_put(type_annotations_offset, value);
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  2298
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2300
void sun_reflect_ConstantPool::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2301
  Klass* k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2302
  // This null test can be removed post beta
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2303
  if (k != NULL) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2304
    // 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
  2305
    compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_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
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2309
void java_lang_reflect_Parameter::compute_offsets() {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2310
  Klass* k = SystemDictionary::reflect_Parameter_klass();
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2311
  if(NULL != k) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2312
    compute_offset(name_offset,        k, vmSymbols::name_name(),        vmSymbols::string_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2313
    compute_offset(modifiers_offset,   k, vmSymbols::modifiers_name(),   vmSymbols::int_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2314
    compute_offset(index_offset,       k, vmSymbols::index_name(),       vmSymbols::int_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2315
    compute_offset(executable_offset,  k, vmSymbols::executable_name(),  vmSymbols::executable_signature());
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2316
  }
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2317
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2318
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2319
Handle java_lang_reflect_Parameter::create(TRAPS) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2320
  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
  2321
  Symbol* name = vmSymbols::java_lang_reflect_Parameter();
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2322
  Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2323
  instanceKlassHandle klass (THREAD, k);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2324
  // Ensure it is initialized
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2325
  klass->initialize(CHECK_NH);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2326
  return klass->allocate_instance_handle(CHECK_NH);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2327
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2328
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2329
oop java_lang_reflect_Parameter::name(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2330
  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
  2331
  return param->obj_field(name_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2332
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2333
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2334
void java_lang_reflect_Parameter::set_name(oop param, oop value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2335
  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
  2336
  param->obj_field_put(name_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2337
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2338
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2339
int java_lang_reflect_Parameter::modifiers(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2340
  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
  2341
  return param->int_field(modifiers_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2342
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2343
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2344
void java_lang_reflect_Parameter::set_modifiers(oop param, int value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2345
  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
  2346
  param->int_field_put(modifiers_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2347
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2348
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2349
int java_lang_reflect_Parameter::index(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2350
  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
  2351
  return param->int_field(index_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2352
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2353
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2354
void java_lang_reflect_Parameter::set_index(oop param, int value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2355
  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
  2356
  param->int_field_put(index_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2357
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2358
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2359
oop java_lang_reflect_Parameter::executable(oop param) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2360
  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
  2361
  return param->obj_field(executable_offset);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2362
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2363
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2364
void java_lang_reflect_Parameter::set_executable(oop param, oop value) {
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2365
  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
  2366
  param->obj_field_put(executable_offset, value);
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2367
}
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  2368
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2369
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2370
Handle sun_reflect_ConstantPool::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2371
  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
  2372
  Klass* k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2374
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
  klass->initialize(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
  return klass->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2377
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2378
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2379
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2380
void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
  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
  2382
  oop mirror = value->pool_holder()->java_mirror();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2383
  // 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
  2384
  reflect->obj_field_put(_oop_offset, mirror);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2386
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2387
ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2388
  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
  2389
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2390
  oop mirror = reflect->obj_field(_oop_offset);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2391
  Klass* k = java_lang_Class::as_Klass(mirror);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2392
  assert(k->oop_is_instance(), "Must be");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2393
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2394
  // 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
  2395
  // 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
  2396
  // 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
  2397
  // 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
  2398
  // the original.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2399
  return InstanceKlass::cast(k)->constants();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2400
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2401
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2402
void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2403
  Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2404
  // This null test can be removed post beta
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2405
  if (k != NULL) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2406
    compute_offset(_base_offset, k,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2407
                   vmSymbols::base_name(), vmSymbols::object_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2408
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2409
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2410
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2411
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
  2412
  Klass* k = SystemDictionary::box_klass(type);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2413
  if (k == NULL)  return NULL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2414
  instanceKlassHandle h (THREAD, k);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2415
  if (!h->is_initialized())  h->initialize(CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2416
  return h->allocate_instance(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2417
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2418
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2419
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2420
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
  2421
  oop box = initialize_and_allocate(type, CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2422
  if (box == NULL)  return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2423
  switch (type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2424
    case T_BOOLEAN:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2425
      box->bool_field_put(value_offset, value->z);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2426
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2427
    case T_CHAR:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2428
      box->char_field_put(value_offset, value->c);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2429
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2430
    case T_FLOAT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2431
      box->float_field_put(value_offset, value->f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2432
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2433
    case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2434
      box->double_field_put(long_value_offset, value->d);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2435
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2436
    case T_BYTE:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
      box->byte_field_put(value_offset, value->b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2439
    case T_SHORT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
      box->short_field_put(value_offset, value->s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2442
    case T_INT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2443
      box->int_field_put(value_offset, value->i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2444
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2445
    case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2446
      box->long_field_put(long_value_offset, value->j);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2447
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2448
    default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2449
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2450
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2451
  return box;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2452
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2453
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2454
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2455
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
  2456
  if (box == NULL)  return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2457
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2458
  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
  2459
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2460
  return type;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2461
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2462
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2463
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2464
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
  2465
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2466
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2467
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2468
    value->z = box->bool_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2469
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2470
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2471
    value->c = box->char_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2472
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2473
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2474
    value->f = box->float_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2475
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2476
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2477
    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
  2478
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2479
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2480
    value->b = box->byte_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2481
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2482
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2483
    value->s = box->short_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2484
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2485
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2486
    value->i = box->int_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2487
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2488
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2489
    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
  2490
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2491
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2492
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2493
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2494
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2495
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2496
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2497
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2498
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
  2499
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2500
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2501
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2502
    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
  2503
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2504
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2505
    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
  2506
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2507
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2508
    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
  2509
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2510
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2511
    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
  2512
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2513
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2514
    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
  2515
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2516
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2517
    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
  2518
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2519
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2520
    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
  2521
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2522
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2523
    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
  2524
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2525
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2526
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2527
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2528
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2529
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2530
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2531
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2532
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
  2533
  switch (type) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2534
  case T_BOOLEAN:   st->print("%s", value->z ? "true" : "false");   break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2535
  case T_CHAR:      st->print("%d", value->c);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2536
  case T_BYTE:      st->print("%d", value->b);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2537
  case T_SHORT:     st->print("%d", value->s);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2538
  case T_INT:       st->print("%d", value->i);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2539
  case T_LONG:      st->print(INT64_FORMAT, value->j);              break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2540
  case T_FLOAT:     st->print("%f", value->f);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2541
  case T_DOUBLE:    st->print("%lf", value->d);                     break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2542
  default:          st->print("type %d?", type);                    break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2543
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2544
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2545
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2546
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2547
// Support for java_lang_ref_Reference
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2548
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
  2549
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2550
  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
  2551
  return (HeapWord*) addr;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2552
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2553
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2554
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
  2555
  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
  2556
  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
  2557
  if (UseCompressedOops) {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2558
    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
  2559
  } else {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2560
    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
  2561
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2562
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2564
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
  2565
  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
  2566
  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
  2567
  // 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
  2568
  return (HeapWord*)addr;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2569
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2570
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2571
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
  2572
  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
  2573
  if (UseCompressedOops) {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2574
    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
  2575
  } else {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2576
    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
  2577
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2578
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2579
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2580
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2581
// Support for java_lang_ref_SoftReference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2582
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2583
jlong java_lang_ref_SoftReference::timestamp(oop ref) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2584
  return ref->long_field(timestamp_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2585
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2586
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2587
jlong java_lang_ref_SoftReference::clock() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2588
  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
  2589
  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
  2590
  return *offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2591
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2592
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2593
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
  2594
  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
  2595
  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
  2596
  *offset = value;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2597
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2598
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2599
// Support for java_lang_invoke_DirectMethodHandle
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2600
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2601
int java_lang_invoke_DirectMethodHandle::_member_offset;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2602
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2603
oop java_lang_invoke_DirectMethodHandle::member(oop dmh) {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2604
  oop member_name = NULL;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2605
  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
  2606
  assert(is_dmh, "a DirectMethodHandle oop is expected");
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2607
  if (is_dmh) {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2608
    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
  2609
  }
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2610
  return member_name;
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2611
}
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2612
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2613
void java_lang_invoke_DirectMethodHandle::compute_offsets() {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2614
  Klass* klass_oop = SystemDictionary::DirectMethodHandle_klass();
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2615
  if (klass_oop != NULL && EnableInvokeDynamic) {
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2616
    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
  2617
  }
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  2618
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2619
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2620
// Support for java_lang_invoke_MethodHandle
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2621
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2622
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
  2623
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
  2624
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2625
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
  2626
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
  2627
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
  2628
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
  2629
int java_lang_invoke_MemberName::_vmtarget_offset;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2630
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
  2631
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
  2632
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2633
int java_lang_invoke_LambdaForm::_vmentry_offset;
10514
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 10509
diff changeset
  2634
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2635
void java_lang_invoke_MethodHandle::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2636
  Klass* klass_oop = SystemDictionary::MethodHandle_klass();
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2637
  if (klass_oop != NULL && EnableInvokeDynamic) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2638
    compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2639
    compute_optional_offset(_form_offset, klass_oop, vmSymbols::form_name(), vmSymbols::java_lang_invoke_LambdaForm_signature());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2640
    if (_form_offset == 0) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2641
      EnableInvokeDynamic = false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2642
    }
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2643
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2644
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2645
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2646
void java_lang_invoke_MemberName::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2647
  Klass* klass_oop = SystemDictionary::MemberName_klass();
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2648
  if (klass_oop != NULL && EnableInvokeDynamic) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2649
    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
  2650
    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
  2651
    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
  2652
    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
  2653
    MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2654
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2655
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2656
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2657
void java_lang_invoke_LambdaForm::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2658
  Klass* klass_oop = SystemDictionary::LambdaForm_klass();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2659
  if (klass_oop != NULL && EnableInvokeDynamic) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2660
    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
  2661
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2662
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2663
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2664
oop java_lang_invoke_MethodHandle::type(oop mh) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2665
  return mh->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2666
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2667
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2668
void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2669
  mh->obj_field_put(_type_offset, mtype);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2670
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2671
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2672
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
  2673
  assert(_form_offset != 0, "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2674
  return mh->obj_field(_form_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2675
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2676
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2677
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
  2678
  assert(_form_offset != 0, "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2679
  mh->obj_field_put(_form_offset, lform);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2680
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2681
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2682
/// MemberName accessors
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2683
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2684
oop java_lang_invoke_MemberName::clazz(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2685
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2686
  return mname->obj_field(_clazz_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2687
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2688
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2689
void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2690
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2691
  mname->obj_field_put(_clazz_offset, clazz);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2692
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2693
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2694
oop java_lang_invoke_MemberName::name(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2695
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2696
  return mname->obj_field(_name_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2697
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2698
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2699
void java_lang_invoke_MemberName::set_name(oop mname, oop name) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2700
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2701
  mname->obj_field_put(_name_offset, name);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2702
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2703
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2704
oop java_lang_invoke_MemberName::type(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2705
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2706
  return mname->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2707
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2708
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2709
void java_lang_invoke_MemberName::set_type(oop mname, oop type) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2710
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2711
  mname->obj_field_put(_type_offset, type);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2712
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2713
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2714
int java_lang_invoke_MemberName::flags(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2715
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2716
  return mname->int_field(_flags_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2717
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2718
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2719
void java_lang_invoke_MemberName::set_flags(oop mname, int flags) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2720
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2721
  mname->int_field_put(_flags_offset, flags);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2722
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2723
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2724
Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2725
  assert(is_instance(mname), "wrong type");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2726
  return (Metadata*)mname->address_field(_vmtarget_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2727
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2728
17029
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2729
#if INCLUDE_JVMTI
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2730
// Can be executed on VM thread only
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2731
void java_lang_invoke_MemberName::adjust_vmtarget(oop mname, Metadata* ref) {
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2732
  assert((is_instance(mname) && (flags(mname) & (MN_IS_METHOD | MN_IS_CONSTRUCTOR)) > 0), "wrong type");
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2733
  assert(Thread::current()->is_VM_thread(), "not VM thread");
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2734
  mname->address_field_put(_vmtarget_offset, (address)ref);
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2735
}
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2736
#endif // INCLUDE_JVMTI
9ff8d7c0ed79 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 15234
diff changeset
  2737
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2738
void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2739
  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
  2740
  // 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
  2741
  oop dependency = NULL;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2742
  if (ref != NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2743
    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
  2744
                            MN_IS_CONSTRUCTOR |
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2745
                            MN_IS_FIELD)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2746
    case MN_IS_METHOD:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2747
    case MN_IS_CONSTRUCTOR:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2748
      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
  2749
      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
  2750
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2751
    case MN_IS_FIELD:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2752
      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
  2753
      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
  2754
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2755
    default:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2756
      ShouldNotReachHere();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2757
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2758
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2759
  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
  2760
  // 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
  2761
  // 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
  2762
  // 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
  2763
  mname->obj_field_put(_vmloader_offset, dependency);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2764
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2765
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2766
intptr_t java_lang_invoke_MemberName::vmindex(oop mname) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2767
  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
  2768
  return (intptr_t) mname->address_field(_vmindex_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2769
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2770
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2771
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
  2772
  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
  2773
  mname->address_field_put(_vmindex_offset, (address) index);
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
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2776
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
  2777
  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
  2778
  return lform->obj_field(_vmentry_offset);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2779
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2780
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2781
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2782
// Support for java_lang_invoke_MethodType
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2783
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2784
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
  2785
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
  2786
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2787
void java_lang_invoke_MethodType::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2788
  Klass* k = SystemDictionary::MethodType_klass();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2789
  if (k != NULL) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2790
    compute_offset(_rtype_offset,  k, vmSymbols::rtype_name(),  vmSymbols::class_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2791
    compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2792
  }
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
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2795
void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2796
  st->print("(");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2797
  objArrayOop pts = ptypes(mt);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2798
  for (int i = 0, limit = pts->length(); i < limit; i++) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2799
    java_lang_Class::print_signature(pts->obj_at(i), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2800
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2801
  st->print(")");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2802
  java_lang_Class::print_signature(rtype(mt), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2803
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2804
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2805
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
  2806
  ResourceMark rm;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2807
  stringStream buffer(128);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2808
  print_signature(mt, &buffer);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2809
  const char* sigstr =       buffer.base();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2810
  int         siglen = (int) buffer.size();
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2811
  Symbol *name;
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2812
  if (!intern_if_not_found) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2813
    name = SymbolTable::probe(sigstr, siglen);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2814
  } else {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2815
    name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2816
  }
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  2817
  return name;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2818
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2819
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2820
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
  2821
  if (mt1 == mt2)
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2822
    return true;
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2823
  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
  2824
    return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2825
  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
  2826
    return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2827
  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
  2828
    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
  2829
      return false;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2830
  }
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2831
  return true;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2832
}
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9630
diff changeset
  2833
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2834
oop java_lang_invoke_MethodType::rtype(oop mt) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2835
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2836
  return mt->obj_field(_rtype_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2837
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2838
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2839
objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2840
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2841
  return (objArrayOop) mt->obj_field(_ptypes_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2842
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2843
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2844
oop java_lang_invoke_MethodType::ptype(oop mt, int idx) {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2845
  return ptypes(mt)->obj_at(idx);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2846
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2847
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2848
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
  2849
  return ptypes(mt)->length();
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2850
}
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2851
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2852
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
  2853
  objArrayOop pts = ptypes(mt);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2854
  int count = pts->length();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2855
  int slots = 0;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2856
  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
  2857
    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
  2858
    slots += type2size[bt];
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2859
  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2860
  return slots;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2861
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2862
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2863
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
  2864
  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
  2865
  return type2size[bt];
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2866
}
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2867
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2868
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2869
// Support for java_lang_invoke_CallSite
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2870
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2871
int java_lang_invoke_CallSite::_target_offset;
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2872
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2873
void java_lang_invoke_CallSite::compute_offsets() {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2874
  if (!EnableInvokeDynamic)  return;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2875
  Klass* k = SystemDictionary::CallSite_klass();
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2876
  if (k != NULL) {
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  2877
    compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature());
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2878
  }
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2879
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2880
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2881
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2882
// Support for java_security_AccessControlContext
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2883
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2884
int java_security_AccessControlContext::_context_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2885
int java_security_AccessControlContext::_privilegedContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2886
int java_security_AccessControlContext::_isPrivileged_offset = 0;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2887
int java_security_AccessControlContext::_isAuthorized_offset = -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2888
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2889
void java_security_AccessControlContext::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2890
  assert(_isPrivileged_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2891
  fieldDescriptor fd;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2892
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2893
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2894
  if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2895
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2896
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2897
  _context_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2898
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2899
  if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2900
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2901
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2902
  _privilegedContext_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2903
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2904
  if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2905
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2906
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2907
  _isPrivileged_offset = fd.offset();
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2908
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2909
  // The offset may not be present for bootstrapping with older JDK.
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2910
  if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2911
    _isAuthorized_offset = fd.offset();
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2912
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2913
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2914
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2915
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2916
bool java_security_AccessControlContext::is_authorized(Handle context) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2917
  assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type");
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2918
  assert(_isAuthorized_offset != -1, "should be set");
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2919
  return context->bool_field(_isAuthorized_offset) != 0;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  2920
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2921
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2922
oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2923
  assert(_isPrivileged_offset != 0, "offsets should have been initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2924
  // Ensure klass is initialized
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2925
  InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2926
  // Allocate result
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2927
  oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2928
  // Fill in values
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2929
  result->obj_field_put(_context_offset, context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2930
  result->obj_field_put(_privilegedContext_offset, privileged_context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2931
  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
  2932
  // 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
  2933
  if (_isAuthorized_offset != -1) {
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  2934
    result->bool_field_put(_isAuthorized_offset, true);
3c2ec1be67c7 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 18056
diff changeset
  2935
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2936
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2937
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2938
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2939
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2940
// Support for java_lang_ClassLoader
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2941
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2942
bool java_lang_ClassLoader::offsets_computed = false;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2943
int  java_lang_ClassLoader::_loader_data_offset = -1;
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2944
int  java_lang_ClassLoader::parallelCapable_offset = -1;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2945
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2946
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
  2947
    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
  2948
    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
  2949
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2950
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2951
ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2952
  return *java_lang_ClassLoader::loader_data_addr(loader);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2953
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2954
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2955
void java_lang_ClassLoader::compute_offsets() {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2956
  assert(!offsets_computed, "offsets should be initialized only once");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2957
  offsets_computed = true;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2958
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2959
  // 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
  2960
  Klass* k1 = SystemDictionary::ClassLoader_klass();
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2961
  compute_optional_offset(parallelCapable_offset,
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2962
    k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2963
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  2964
  CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2965
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2966
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2967
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
  2968
  assert(is_instance(loader), "loader must be oop");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2969
  return loader->obj_field(parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2970
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2971
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2972
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
  2973
  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
  2974
  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
  2975
  oop acl = loader;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2976
  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
  2977
  // 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
  2978
  do {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2979
    acl = parent(acl);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2980
    if (cl == acl) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2981
      return true;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2982
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2983
    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
  2984
  } while (acl != NULL);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2985
  return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2986
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  2987
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2988
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2989
// For class loader classes, parallelCapable defined
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2990
// based on non-null field
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2991
// 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
  2992
bool java_lang_ClassLoader::parallelCapable(oop class_loader) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2993
  if (!JDK_Version::is_gte_jdk17x_version()
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2994
     || parallelCapable_offset == -1) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2995
     // Default for backward compatibility is false
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2996
     return false;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2997
  }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2998
  return (class_loader->obj_field(parallelCapable_offset) != NULL);
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  2999
}
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3000
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3001
bool java_lang_ClassLoader::is_trusted_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3002
  // Fix for 4474172; see evaluation for more details
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3003
  loader = non_reflection_class_loader(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3004
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3005
  oop cl = SystemDictionary::java_system_loader();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3006
  while(cl != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3007
    if (cl == loader) return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3008
    cl = parent(cl);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3009
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3010
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3012
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3013
oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3014
  if (loader != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3015
    // See whether this is one of the class loaders associated with
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3016
    // the generated bytecodes for reflection, and if so, "magically"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3017
    // delegate to its parent to prevent class loading from occurring
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3018
    // 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
  3019
    Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3020
    // This might be null in non-1.4 JDKs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3021
    if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3022
      return parent(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3023
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3024
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3025
  return loader;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3026
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3027
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3029
// Support for java_lang_System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3030
int java_lang_System::in_offset_in_bytes() {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3031
  return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3032
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3033
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3034
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3035
int java_lang_System::out_offset_in_bytes() {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3036
  return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3037
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
int java_lang_System::err_offset_in_bytes() {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3041
  return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3043
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3045
bool java_lang_System::has_security_manager() {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3046
  InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass());
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3047
  address addr = ik->static_field_addr(static_security_offset);
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3048
  if (UseCompressedOops) {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3049
    return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3050
  } else {
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3051
    return oopDesc::load_decode_heap_oop((oop*)addr) != NULL;
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3052
  }
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3053
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3054
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3055
int java_lang_Class::_klass_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3056
int java_lang_Class::_array_klass_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3057
int java_lang_Class::_oop_size_offset;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3058
int java_lang_Class::_static_oop_field_count_offset;
17826
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  3059
int java_lang_Class::_protection_domain_offset;
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  3060
int java_lang_Class::_init_lock_offset;
9ad5cd464a75 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 17081
diff changeset
  3061
int java_lang_Class::_signers_offset;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3062
GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3063
int java_lang_Throwable::backtrace_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
int java_lang_Throwable::detailMessage_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3065
int java_lang_Throwable::cause_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3066
int java_lang_Throwable::stackTrace_offset;
10233
b40fd2bd2fac 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 10018
diff changeset
  3067
int java_lang_Throwable::static_unassigned_stacktrace_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3068
int java_lang_reflect_AccessibleObject::override_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3069
int java_lang_reflect_Method::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3070
int java_lang_reflect_Method::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3071
int java_lang_reflect_Method::returnType_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3072
int java_lang_reflect_Method::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3073
int java_lang_reflect_Method::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3074
int java_lang_reflect_Method::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3075
int java_lang_reflect_Method::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3076
int java_lang_reflect_Method::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3077
int java_lang_reflect_Method::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3078
int java_lang_reflect_Method::parameter_annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3079
int java_lang_reflect_Method::annotation_default_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3080
int java_lang_reflect_Method::type_annotations_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3081
int java_lang_reflect_Constructor::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3082
int java_lang_reflect_Constructor::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3083
int java_lang_reflect_Constructor::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3084
int java_lang_reflect_Constructor::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3085
int java_lang_reflect_Constructor::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3086
int java_lang_reflect_Constructor::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3087
int java_lang_reflect_Constructor::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3088
int java_lang_reflect_Constructor::parameter_annotations_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3089
int java_lang_reflect_Constructor::type_annotations_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3090
int java_lang_reflect_Field::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3091
int java_lang_reflect_Field::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3092
int java_lang_reflect_Field::type_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3093
int java_lang_reflect_Field::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3094
int java_lang_reflect_Field::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3095
int java_lang_reflect_Field::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3096
int java_lang_reflect_Field::annotations_offset;
15097
9db149412e0e 8004823: Add VM support for type annotation reflection
stefank
parents: 14588
diff changeset
  3097
int java_lang_reflect_Field::type_annotations_offset;
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3098
int java_lang_reflect_Parameter::name_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3099
int java_lang_reflect_Parameter::modifiers_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3100
int java_lang_reflect_Parameter::index_offset;
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3101
int java_lang_reflect_Parameter::executable_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3102
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
  3103
int java_lang_boxing_object::long_value_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3104
int java_lang_ref_Reference::referent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3105
int java_lang_ref_Reference::queue_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3106
int java_lang_ref_Reference::next_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3107
int java_lang_ref_Reference::discovered_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3108
int java_lang_ref_Reference::static_lock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3109
int java_lang_ref_Reference::static_pending_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3110
int java_lang_ref_Reference::number_of_fake_oop_fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3111
int java_lang_ref_SoftReference::timestamp_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3112
int java_lang_ref_SoftReference::static_clock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3113
int java_lang_ClassLoader::parent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3114
int java_lang_System::static_in_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3115
int java_lang_System::static_out_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3116
int java_lang_System::static_err_offset;
18056
0e99ee964114 8001330: Improve on checking order
mullan
parents: 15234
diff changeset
  3117
int java_lang_System::static_security_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3118
int java_lang_StackTraceElement::declaringClass_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3119
int java_lang_StackTraceElement::methodName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3120
int java_lang_StackTraceElement::fileName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3121
int java_lang_StackTraceElement::lineNumber_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3122
int java_lang_AssertionStatusDirectives::classes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3123
int java_lang_AssertionStatusDirectives::classEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3124
int java_lang_AssertionStatusDirectives::packages_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3125
int java_lang_AssertionStatusDirectives::packageEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3126
int java_lang_AssertionStatusDirectives::deflt_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3127
int java_nio_Buffer::_limit_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3128
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
  3129
int sun_reflect_ConstantPool::_oop_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3130
int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3131
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3132
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3133
// Support for java_lang_StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3134
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3135
void java_lang_StackTraceElement::set_fileName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3136
  element->obj_field_put(fileName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3137
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3138
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3139
void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3140
  element->obj_field_put(declaringClass_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3141
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3142
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3143
void java_lang_StackTraceElement::set_methodName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3144
  element->obj_field_put(methodName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3145
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3146
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3147
void java_lang_StackTraceElement::set_lineNumber(oop element, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3148
  element->int_field_put(lineNumber_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3149
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3150
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3151
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3152
// Support for java Assertions - java_lang_AssertionStatusDirectives.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3153
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3154
void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3155
  o->obj_field_put(classes_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3156
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3157
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3158
void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3159
  o->obj_field_put(classEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3160
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3161
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3162
void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3163
  o->obj_field_put(packages_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3164
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3165
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3166
void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3167
  o->obj_field_put(packageEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3168
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3169
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3170
void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3171
  o->bool_field_put(deflt_offset, val);
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 intrinsification of java.nio.Buffer.checkIndex
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3176
int java_nio_Buffer::limit_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3177
  return _limit_offset;
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
void java_nio_Buffer::compute_offsets() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3182
  Klass* k = SystemDictionary::nio_Buffer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3183
  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
  3184
  compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3185
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3186
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3187
void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3188
  if (_owner_offset != 0) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3189
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3190
  assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3191
  SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3192
  Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3193
  compute_offset(_owner_offset, k,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3194
                 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3195
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3196
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3197
oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3198
  assert(_owner_offset != 0, "Must be initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3199
  return obj->obj_field(_owner_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3200
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3201
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3202
// Compute hard-coded offsets
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3203
// Invoked before SystemDictionary::initialize, so pre-loaded classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3204
// are not available to determine the offset_of_static_fields.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3205
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
  3206
  const int x = heapOopSize;
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3207
  const int header = instanceOopDesc::base_offset_in_bytes();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3208
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3209
  // Throwable Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3210
  java_lang_Throwable::backtrace_offset  = java_lang_Throwable::hc_backtrace_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3211
  java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3212
  java_lang_Throwable::cause_offset      = java_lang_Throwable::hc_cause_offset      * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3213
  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
  3214
  java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset *  x;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3215
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3216
  // java_lang_boxing_object
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3217
  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
  3218
  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
  3219
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3220
  // java_lang_ref_Reference:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3221
  java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3222
  java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3223
  java_lang_ref_Reference::next_offset  = java_lang_ref_Reference::hc_next_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3224
  java_lang_ref_Reference::discovered_offset  = java_lang_ref_Reference::hc_discovered_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3225
  java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset *  x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3226
  java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3227
  // Artificial fields for java_lang_ref_Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3228
  // The first field is for the discovered field added in 1.4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3229
  java_lang_ref_Reference::number_of_fake_oop_fields = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3230
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3231
  // 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
  3232
  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
  3233
  // Don't multiply static fields because they are always in wordSize units
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3234
  java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3235
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3236
  // java_lang_ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3237
  java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3238
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3239
  // java_lang_System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3240
  java_lang_System::static_in_offset  = java_lang_System::hc_static_in_offset  * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3241
  java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3242
  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
  3243
  java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3244
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3245
  // java_lang_StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3246
  java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3247
  java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3248
  java_lang_StackTraceElement::fileName_offset   = java_lang_StackTraceElement::hc_fileName_offset   * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3249
  java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3250
  java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3251
  java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3252
  java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3253
  java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3254
  java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3255
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3256
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3257
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3258
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3259
// Compute non-hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3260
void JavaClasses::compute_offsets() {
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3261
  // java_lang_Class::compute_offsets was called earlier in bootstrap
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3262
  java_lang_ClassLoader::compute_offsets();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3263
  java_lang_Thread::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3264
  java_lang_ThreadGroup::compute_offsets();
8883
5569135acca3 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 8728
diff changeset
  3265
  if (EnableInvokeDynamic) {
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3266
    java_lang_invoke_MethodHandle::compute_offsets();
19266
bb0324cbe0aa 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 18066
diff changeset
  3267
    java_lang_invoke_DirectMethodHandle::compute_offsets();
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3268
    java_lang_invoke_MemberName::compute_offsets();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3269
    java_lang_invoke_LambdaForm::compute_offsets();
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3270
    java_lang_invoke_MethodType::compute_offsets();
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  3271
    java_lang_invoke_CallSite::compute_offsets();
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  3272
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3273
  java_security_AccessControlContext::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3274
  // Initialize reflection classes. The layouts of these classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3275
  // changed with the new reflection implementation in JDK 1.4, and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3276
  // since the Universe doesn't know what JDK version it is until this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3277
  // point we defer computation of these offsets until now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3278
  java_lang_reflect_AccessibleObject::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3279
  java_lang_reflect_Method::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3280
  java_lang_reflect_Constructor::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3281
  java_lang_reflect_Field::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3282
  if (JDK_Version::is_gte_jdk14x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3283
    java_nio_Buffer::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3284
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3285
  if (JDK_Version::is_gte_jdk15x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3286
    sun_reflect_ConstantPool::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3287
    sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3288
  }
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3289
  if (JDK_Version::is_jdk18x_version())
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15098
diff changeset
  3290
    java_lang_reflect_Parameter::compute_offsets();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3291
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3292
  // generated interpreter code wants to know about the offsets we just computed:
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  3293
  AbstractAssembler::update_delayed_values();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3294
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3295
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3296
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3297
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3298
// These functions exist to assert the validity of hard-coded field offsets to guard
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3299
// against changes in the class files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3300
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3301
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
  3302
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3303
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3304
  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
  3305
  Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3306
  instanceKlassHandle h_klass (THREAD, k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3307
  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
  3308
  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
  3309
  if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3310
    tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3311
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3312
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3313
  if (fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3314
    tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3315
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3316
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3317
  if (fd.offset() == hardcoded_offset ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3318
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3319
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3320
    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
  3321
                  klass_name, field_name, hardcoded_offset, fd.offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3322
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3323
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3324
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3325
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3326
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3327
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
  3328
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3329
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3330
  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
  3331
  Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3332
  instanceKlassHandle h_klass (THREAD, k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3333
  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
  3334
  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
  3335
  if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3336
    tty->print_cr("Static field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3337
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3338
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3339
  if (!fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3340
    tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3341
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3342
  }
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3343
  if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3344
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3345
  } else {
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
  3346
    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
  3347
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3348
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3349
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3350
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3351
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3352
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
  3353
  EXCEPTION_MARK;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3354
  fieldDescriptor fd;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3355
  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
  3356
  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
  3357
  instanceKlassHandle h_klass (THREAD, k);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7414
diff changeset
  3358
  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
  3359
  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
  3360
  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
  3361
    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
  3362
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3363
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3364
  if (!fd.is_static() || !fd.has_initial_value()) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3365
    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
  3366
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3367
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3368
  if (!fd.initial_value_tag().is_int()) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3369
    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
  3370
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3371
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3372
  jint field_value = fd.int_initial_value();
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3373
  if (field_value == hardcoded_constant) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3374
    return true;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3375
  } else {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3376
    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
  3377
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3378
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3379
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3380
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3381
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3382
// Check the hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3383
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3384
void JavaClasses::check_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3385
  bool valid = true;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3386
  HandleMark hm;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3387
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3388
#define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3389
  valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3390
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3391
#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
  3392
  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
  3393
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3394
#define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3395
  valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3396
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  3397
#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
  3398
  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
  3399
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3400
  // java.lang.String
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3401
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3402
  CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C");
12623
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3403
  if (java_lang_String::has_offset_field()) {
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3404
    CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I");
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3405
    CHECK_OFFSET("java/lang/String", java_lang_String, count, "I");
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3406
  }
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3407
  if (java_lang_String::has_hash_field()) {
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3408
    CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I");
09fcb0dc71ad 6924259: Remove String.count/String.offset
kvn
parents: 11564
diff changeset
  3409
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3411
  // java.lang.Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3412
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3413
  // Fake fields
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3414
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3415
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3416
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3417
  // java.lang.Throwable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3418
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3419
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3420
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3421
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3422
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3423
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3424
  // Boxed primitive objects (java_lang_boxing_object)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3425
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3426
  CHECK_OFFSET("java/lang/Boolean",   java_lang_boxing_object, value, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3427
  CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3428
  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
  3429
  CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3430
  CHECK_OFFSET("java/lang/Byte",      java_lang_boxing_object, value, "B");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3431
  CHECK_OFFSET("java/lang/Short",     java_lang_boxing_object, value, "S");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3432
  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
  3433
  CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3434
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3435
  // java.lang.ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3436
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3437
  CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent,      "Ljava/lang/ClassLoader;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3438
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3439
  // java.lang.System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3440
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3441
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System,  in, "Ljava/io/InputStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3442
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3443
  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
  3444
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3445
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3446
  // java.lang.StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3447
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3448
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3449
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3450
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement,   fileName, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3451
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3452
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3453
  // java.lang.ref.Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3454
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3455
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3456
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3457
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3458
  // Fake field
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3459
  //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3460
  CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3461
  CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3462
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3463
  // java.lang.ref.SoftReference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3464
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3465
  CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3466
  CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3467
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3468
  // java.lang.AssertionStatusDirectives
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3469
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3470
  // The CheckAssertionStatusDirectives boolean can be removed from here and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3471
  // globals.hpp after the AssertionStatusDirectives class has been integrated
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3472
  // into merlin "for some time."  Without it, the vm will fail with early
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3473
  // merlin builds.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3474
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3475
  if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3476
    const char* nm = "java/lang/AssertionStatusDirectives";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3477
    const char* sig = "[Ljava/lang/String;";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3478
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3479
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3480
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3481
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3482
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3484
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3485
  if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3487
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3488
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3490
int InjectedField::compute_offset() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3491
  Klass* klass_oop = klass();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3492
  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
  3493
    if (!may_be_java && !fs.access_flags().is_internal()) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3494
      // Only look at injected fields
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3495
      continue;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3496
    }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3497
    if (fs.name() == name() && fs.signature() == signature()) {
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3498
      return fs.offset();
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3499
    }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3500
  }
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3501
  ResourceMark rm;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3502
  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
  3503
#ifndef PRODUCT
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3504
  klass_oop->print();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3505
  tty->print_cr("all fields:");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  3506
  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
  3507
    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
  3508
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13293
diff changeset
  3509
#endif //PRODUCT
10546
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3510
  fatal("Invalid layout of preloaded class");
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3511
  return -1;
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3512
}
e79347eebbc5 7086585: make Java field injection more flexible
never
parents: 10540
diff changeset
  3513
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3514
void javaClasses_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3515
  JavaClasses::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3516
  JavaClasses::check_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3517
  FilteredFieldsMap::initialize();  // must be done after computing offsets.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3518
}