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annotate src/share/vm/oops/oop.cpp @ 3960:f08d439fab8c

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7089790: integrate bsd-port changes Reviewed-by: kvn, twisti, jrose Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
author never
date Sun, 25 Sep 2011 16:03:29 -0700
parents f95d63e2154a
children b632e80fc9dc
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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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39 #ifdef TARGET_OS_FAMILY_bsd
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40 # include "thread_bsd.inline.hpp"
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41 #endif
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43 bool always_do_update_barrier = false;
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44
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45 BarrierSet* oopDesc::_bs = NULL;
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46
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47 void oopDesc::print_on(outputStream* st) const {
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48 if (this == NULL) {
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49 st->print_cr("NULL");
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50 } else {
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51 blueprint()->oop_print_on(oop(this), st);
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52 }
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53 }
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54
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55 void oopDesc::print_address_on(outputStream* st) const {
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56 if (PrintOopAddress) {
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57 st->print("{"INTPTR_FORMAT"}", this);
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58 }
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59 }
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60
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61 void oopDesc::print() { print_on(tty); }
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62
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63 void oopDesc::print_address() { print_address_on(tty); }
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64
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65 char* oopDesc::print_string() {
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66 stringStream st;
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67 print_on(&st);
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68 return st.as_string();
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69 }
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70
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71 void oopDesc::print_value() {
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72 print_value_on(tty);
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73 }
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75 char* oopDesc::print_value_string() {
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76 char buf[100];
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77 stringStream st(buf, sizeof(buf));
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78 print_value_on(&st);
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79 return st.as_string();
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80 }
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81
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82 void oopDesc::print_value_on(outputStream* st) const {
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83 oop obj = oop(this);
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84 if (this == NULL) {
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85 st->print("NULL");
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86 } else if (java_lang_String::is_instance(obj)) {
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87 java_lang_String::print(obj, st);
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88 if (PrintOopAddress) print_address_on(st);
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89 #ifdef ASSERT
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90 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
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91 st->print("### BAD OOP %p ###", (address)obj);
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92 #endif //ASSERT
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93 } else {
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94 blueprint()->oop_print_value_on(obj, st);
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95 }
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96 }
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97
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99 void oopDesc::verify_on(outputStream* st) {
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100 if (this != NULL) {
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101 blueprint()->oop_verify_on(this, st);
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102 }
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103 }
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106 void oopDesc::verify() {
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107 verify_on(tty);
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108 }
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110
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111 // XXX verify_old_oop doesn't do anything (should we remove?)
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112 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
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113 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
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114 }
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115
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116 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {
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117 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
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118 }
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120 bool oopDesc::partially_loaded() {
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121 return blueprint()->oop_partially_loaded(this);
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122 }
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123
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125 void oopDesc::set_partially_loaded() {
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126 blueprint()->oop_set_partially_loaded(this);
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127 }
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130 intptr_t oopDesc::slow_identity_hash() {
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131 // slow case; we have to acquire the micro lock in order to locate the header
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132 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
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133 HandleMark hm;
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134 Handle object((oop)this);
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135 assert(!is_shared_readonly(), "using identity hash on readonly object?");
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136 return ObjectSynchronizer::identity_hash_value_for(object);
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137 }
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138
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139 VerifyOopClosure VerifyOopClosure::verify_oop;
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141 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
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142 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }