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annotate src/share/vm/oops/oop.cpp @ 3011:f00918f35c7f

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inlining and runtime interface related changes: added codeSize() and compilerStorage() to RiMethod HotSpotMethodResolved uses reflective methods instead of vmIds and survives compilations HotSpotResolvedType.isInitialized not represented as field (can change) inlining stores graphs into method objects and reuses them
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 16 Jun 2011 20:36:17 +0200
parents f95d63e2154a
children f08d439fab8c
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1 /*
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2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "classfile/javaClasses.hpp"
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27 #include "oops/oop.inline.hpp"
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28 #include "runtime/handles.inline.hpp"
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29 #include "utilities/copy.hpp"
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30 #ifdef TARGET_OS_FAMILY_linux
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31 # include "thread_linux.inline.hpp"
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32 #endif
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33 #ifdef TARGET_OS_FAMILY_solaris
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34 # include "thread_solaris.inline.hpp"
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35 #endif
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36 #ifdef TARGET_OS_FAMILY_windows
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37 # include "thread_windows.inline.hpp"
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38 #endif
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40 bool always_do_update_barrier = false;
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41
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42 BarrierSet* oopDesc::_bs = NULL;
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43
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44 void oopDesc::print_on(outputStream* st) const {
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45 if (this == NULL) {
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46 st->print_cr("NULL");
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47 } else {
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48 blueprint()->oop_print_on(oop(this), st);
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49 }
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50 }
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51
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52 void oopDesc::print_address_on(outputStream* st) const {
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53 if (PrintOopAddress) {
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54 st->print("{"INTPTR_FORMAT"}", this);
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55 }
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56 }
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57
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58 void oopDesc::print() { print_on(tty); }
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59
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60 void oopDesc::print_address() { print_address_on(tty); }
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61
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62 char* oopDesc::print_string() {
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63 stringStream st;
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64 print_on(&st);
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65 return st.as_string();
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66 }
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67
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68 void oopDesc::print_value() {
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69 print_value_on(tty);
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70 }
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72 char* oopDesc::print_value_string() {
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73 char buf[100];
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74 stringStream st(buf, sizeof(buf));
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75 print_value_on(&st);
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76 return st.as_string();
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77 }
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78
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79 void oopDesc::print_value_on(outputStream* st) const {
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80 oop obj = oop(this);
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81 if (this == NULL) {
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82 st->print("NULL");
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83 } else if (java_lang_String::is_instance(obj)) {
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84 java_lang_String::print(obj, st);
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85 if (PrintOopAddress) print_address_on(st);
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86 #ifdef ASSERT
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87 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
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88 st->print("### BAD OOP %p ###", (address)obj);
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89 #endif //ASSERT
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90 } else {
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91 blueprint()->oop_print_value_on(obj, st);
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92 }
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93 }
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94
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96 void oopDesc::verify_on(outputStream* st) {
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97 if (this != NULL) {
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98 blueprint()->oop_verify_on(this, st);
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99 }
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100 }
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103 void oopDesc::verify() {
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104 verify_on(tty);
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105 }
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107
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108 // XXX verify_old_oop doesn't do anything (should we remove?)
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109 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
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110 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
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111 }
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112
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113 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {
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114 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
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115 }
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117 bool oopDesc::partially_loaded() {
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118 return blueprint()->oop_partially_loaded(this);
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119 }
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120
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122 void oopDesc::set_partially_loaded() {
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123 blueprint()->oop_set_partially_loaded(this);
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124 }
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125
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127 intptr_t oopDesc::slow_identity_hash() {
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128 // slow case; we have to acquire the micro lock in order to locate the header
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129 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
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130 HandleMark hm;
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131 Handle object((oop)this);
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132 assert(!is_shared_readonly(), "using identity hash on readonly object?");
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133 return ObjectSynchronizer::identity_hash_value_for(object);
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134 }
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135
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136 VerifyOopClosure VerifyOopClosure::verify_oop;
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138 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
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139 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }