Mercurial > hg > graal-compiler

annotate src/share/vm/oops/oop.cpp @ 6725:da91efe96a93

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents b632e80fc9dc
children f34d701e952e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
6008
b632e80fc9dc 4988100: oop_verify_old_oop appears to be dead
brutisso
parents: 3960
diff changeset
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1155
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1155
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1155
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
25 #include "precompiled.hpp"
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
26 #include "classfile/altHashing.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
27 #include "classfile/javaClasses.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
28 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
29 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
30 #include "utilities/copy.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
31 #ifdef TARGET_OS_FAMILY_linux
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
32 # include "thread_linux.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
33 #endif
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
34 #ifdef TARGET_OS_FAMILY_solaris
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
35 # include "thread_solaris.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
36 #endif
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
37 #ifdef TARGET_OS_FAMILY_windows
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
38 # include "thread_windows.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1681
diff changeset
39 #endif
3960
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 1972
diff changeset
40 #ifdef TARGET_OS_FAMILY_bsd
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 1972
diff changeset
41 # include "thread_bsd.inline.hpp"
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 1972
diff changeset
42 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
43
a61af66fc99e Initial load
duke
parents:
diff changeset
44 bool always_do_update_barrier = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
45
a61af66fc99e Initial load
duke
parents:
diff changeset
46 BarrierSet* oopDesc::_bs = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
47
a61af66fc99e Initial load
duke
parents:
diff changeset
48 void oopDesc::print_on(outputStream* st) const {
a61af66fc99e Initial load
duke
parents:
diff changeset
49 if (this == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
50 st->print_cr("NULL");
a61af66fc99e Initial load
duke
parents:
diff changeset
51 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
52 klass()->oop_print_on(oop(this), st);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
53 }
a61af66fc99e Initial load
duke
parents:
diff changeset
54 }
a61af66fc99e Initial load
duke
parents:
diff changeset
55
a61af66fc99e Initial load
duke
parents:
diff changeset
56 void oopDesc::print_address_on(outputStream* st) const {
a61af66fc99e Initial load
duke
parents:
diff changeset
57 if (PrintOopAddress) {
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 196
diff changeset
58 st->print("{"INTPTR_FORMAT"}", this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
59 }
a61af66fc99e Initial load
duke
parents:
diff changeset
60 }
a61af66fc99e Initial load
duke
parents:
diff changeset
61
a61af66fc99e Initial load
duke
parents:
diff changeset
62 void oopDesc::print() { print_on(tty); }
a61af66fc99e Initial load
duke
parents:
diff changeset
63
a61af66fc99e Initial load
duke
parents:
diff changeset
64 void oopDesc::print_address() { print_address_on(tty); }
a61af66fc99e Initial load
duke
parents:
diff changeset
65
a61af66fc99e Initial load
duke
parents:
diff changeset
66 char* oopDesc::print_string() {
1155
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
67 stringStream st;
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
68 print_on(&st);
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
69 return st.as_string();
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
70 }
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
71
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
72 void oopDesc::print_value() {
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
73 print_value_on(tty);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
74 }
a61af66fc99e Initial load
duke
parents:
diff changeset
75
a61af66fc99e Initial load
duke
parents:
diff changeset
76 char* oopDesc::print_value_string() {
1155
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
77 char buf[100];
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
78 stringStream st(buf, sizeof(buf));
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
79 print_value_on(&st);
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
80 return st.as_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
81 }
a61af66fc99e Initial load
duke
parents:
diff changeset
82
1155
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
83 void oopDesc::print_value_on(outputStream* st) const {
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
84 oop obj = oop(this);
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
85 if (this == NULL) {
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
86 st->print("NULL");
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
87 } else if (java_lang_String::is_instance(obj)) {
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
88 java_lang_String::print(obj, st);
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
89 if (PrintOopAddress) print_address_on(st);
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
90 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
91 klass()->oop_print_value_on(obj, st);
1155
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
92 }
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
93 }
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 665
diff changeset
94
0
a61af66fc99e Initial load
duke
parents:
diff changeset
95
a61af66fc99e Initial load
duke
parents:
diff changeset
96 void oopDesc::verify_on(outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
97 if (this != NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
98 klass()->oop_verify_on(this, st);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
99 }
a61af66fc99e Initial load
duke
parents:
diff changeset
100 }
a61af66fc99e Initial load
duke
parents:
diff changeset
101
a61af66fc99e Initial load
duke
parents:
diff changeset
102
a61af66fc99e Initial load
duke
parents:
diff changeset
103 void oopDesc::verify() {
a61af66fc99e Initial load
duke
parents:
diff changeset
104 verify_on(tty);
a61af66fc99e Initial load
duke
parents:
diff changeset
105 }
a61af66fc99e Initial load
duke
parents:
diff changeset
106
a61af66fc99e Initial load
duke
parents:
diff changeset
107 intptr_t oopDesc::slow_identity_hash() {
a61af66fc99e Initial load
duke
parents:
diff changeset
108 // slow case; we have to acquire the micro lock in order to locate the header
a61af66fc99e Initial load
duke
parents:
diff changeset
109 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
a61af66fc99e Initial load
duke
parents:
diff changeset
110 HandleMark hm;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
111 Handle object(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
112 return ObjectSynchronizer::identity_hash_value_for(object);
a61af66fc99e Initial load
duke
parents:
diff changeset
113 }
a61af66fc99e Initial load
duke
parents:
diff changeset
114
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
115 // When String table needs to rehash
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
116 unsigned int oopDesc::new_hash(jint seed) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
117 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
118 int length;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
119 jchar* chars = java_lang_String::as_unicode_string(this, length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
120 // Use alternate hashing algorithm on the string
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
121 return AltHashing::murmur3_32(seed, chars, length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
122 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6008
diff changeset
123
0
a61af66fc99e Initial load
duke
parents:
diff changeset
124 VerifyOopClosure VerifyOopClosure::verify_oop;
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
125
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
126 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
127 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }