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annotate src/share/vm/oops/oop.cpp @ 3500:6111c168756f
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author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Mon, 08 Aug 2011 15:19:09 +0200 |
parents | f95d63e2154a |
children | f08d439fab8c |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/javaClasses.hpp" | |
27 #include "oops/oop.inline.hpp" | |
28 #include "runtime/handles.inline.hpp" | |
29 #include "utilities/copy.hpp" | |
30 #ifdef TARGET_OS_FAMILY_linux | |
31 # include "thread_linux.inline.hpp" | |
32 #endif | |
33 #ifdef TARGET_OS_FAMILY_solaris | |
34 # include "thread_solaris.inline.hpp" | |
35 #endif | |
36 #ifdef TARGET_OS_FAMILY_windows | |
37 # include "thread_windows.inline.hpp" | |
38 #endif | |
0 | 39 |
40 bool always_do_update_barrier = false; | |
41 | |
42 BarrierSet* oopDesc::_bs = NULL; | |
43 | |
44 void oopDesc::print_on(outputStream* st) const { | |
45 if (this == NULL) { | |
46 st->print_cr("NULL"); | |
47 } else { | |
48 blueprint()->oop_print_on(oop(this), st); | |
49 } | |
50 } | |
51 | |
52 void oopDesc::print_address_on(outputStream* st) const { | |
53 if (PrintOopAddress) { | |
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54 st->print("{"INTPTR_FORMAT"}", this); |
0 | 55 } |
56 } | |
57 | |
58 void oopDesc::print() { print_on(tty); } | |
59 | |
60 void oopDesc::print_address() { print_address_on(tty); } | |
61 | |
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); |
0 | 70 } |
71 | |
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(); |
0 | 77 } |
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 |
0 | 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 | |
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108 // XXX verify_old_oop doesn't do anything (should we remove?) |
0 | 109 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) { |
110 blueprint()->oop_verify_old_oop(this, p, allow_dirty); | |
111 } | |
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 } |
0 | 116 |
117 bool oopDesc::partially_loaded() { | |
118 return blueprint()->oop_partially_loaded(this); | |
119 } | |
120 | |
121 | |
122 void oopDesc::set_partially_loaded() { | |
123 blueprint()->oop_set_partially_loaded(this); | |
124 } | |
125 | |
126 | |
127 intptr_t oopDesc::slow_identity_hash() { | |
128 // slow case; we have to acquire the micro lock in order to locate the header | |
129 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY | |
130 HandleMark hm; | |
131 Handle object((oop)this); | |
132 assert(!is_shared_readonly(), "using identity hash on readonly object?"); | |
133 return ObjectSynchronizer::identity_hash_value_for(object); | |
134 } | |
135 | |
136 VerifyOopClosure VerifyOopClosure::verify_oop; | |
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137 |
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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); } |