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comparison src/share/vm/oops/oop.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children ba764ed4b6f2
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 # include "incls/_precompiled.incl"
26 # include "incls/_oop.cpp.incl"
27
28 bool always_do_update_barrier = false;
29
30 BarrierSet* oopDesc::_bs = NULL;
31
32 #ifdef PRODUCT
33 void oopDesc::print_on(outputStream* st) const {}
34 void oopDesc::print_value_on(outputStream* st) const {}
35 void oopDesc::print_address_on(outputStream* st) const {}
36 char* oopDesc::print_value_string() { return NULL; }
37 char* oopDesc::print_string() { return NULL; }
38 void oopDesc::print() {}
39 void oopDesc::print_value() {}
40 void oopDesc::print_address() {}
41 #else
42 void oopDesc::print_on(outputStream* st) const {
43 if (this == NULL) {
44 st->print_cr("NULL");
45 } else {
46 blueprint()->oop_print_on(oop(this), st);
47 }
48 }
49
50 void oopDesc::print_value_on(outputStream* st) const {
51 oop obj = oop(this);
52 if (this == NULL) {
53 st->print("NULL");
54 } else if (java_lang_String::is_instance(obj)) {
55 java_lang_String::print(obj, st);
56 if (PrintOopAddress) print_address_on(st);
57 #ifdef ASSERT
58 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
59 st->print("### BAD OOP %p ###", (address)obj);
60 #endif
61 } else {
62 blueprint()->oop_print_value_on(obj, st);
63 }
64 }
65
66 void oopDesc::print_address_on(outputStream* st) const {
67 if (PrintOopAddress) {
68 st->print("{");
69 if (PrintOopAddress) {
70 st->print(INTPTR_FORMAT, this);
71 }
72 st->print("}");
73 }
74 }
75
76 void oopDesc::print() { print_on(tty); }
77
78 void oopDesc::print_value() { print_value_on(tty); }
79
80 void oopDesc::print_address() { print_address_on(tty); }
81
82 char* oopDesc::print_string() {
83 stringStream* st = new stringStream();
84 print_on(st);
85 return st->as_string();
86 }
87
88 char* oopDesc::print_value_string() {
89 stringStream* st = new stringStream();
90 print_value_on(st);
91 return st->as_string();
92 }
93
94 #endif // PRODUCT
95
96 void oopDesc::verify_on(outputStream* st) {
97 if (this != NULL) {
98 blueprint()->oop_verify_on(this, st);
99 }
100 }
101
102
103 void oopDesc::verify() {
104 verify_on(tty);
105 }
106
107
108 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
109 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
110 }
111
112
113 bool oopDesc::partially_loaded() {
114 return blueprint()->oop_partially_loaded(this);
115 }
116
117
118 void oopDesc::set_partially_loaded() {
119 blueprint()->oop_set_partially_loaded(this);
120 }
121
122
123 intptr_t oopDesc::slow_identity_hash() {
124 // slow case; we have to acquire the micro lock in order to locate the header
125 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
126 HandleMark hm;
127 Handle object((oop)this);
128 assert(!is_shared_readonly(), "using identity hash on readonly object?");
129 return ObjectSynchronizer::identity_hash_value_for(object);
130 }
131
132 VerifyOopClosure VerifyOopClosure::verify_oop;