Mercurial > hg > truffle
annotate src/share/vm/oops/instanceKlass.cpp @ 12857:d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
Summary: Check if data is in shared spaces before deallocating it.
Reviewed-by: coleenp, dcubed
author | hseigel |
---|---|
date | Sat, 12 Oct 2013 15:39:16 -0400 |
parents | d25557d03ec0 |
children | b8860472c377 |
rev | line source |
---|---|
0 | 1 /* |
7956 | 2 * Copyright (c) 1997, 2013, 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
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:
1490
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/javaClasses.hpp" | |
27 #include "classfile/systemDictionary.hpp" | |
28 #include "classfile/verifier.hpp" | |
29 #include "classfile/vmSymbols.hpp" | |
30 #include "compiler/compileBroker.hpp" | |
31 #include "gc_implementation/shared/markSweep.inline.hpp" | |
32 #include "gc_interface/collectedHeap.inline.hpp" | |
33 #include "interpreter/oopMapCache.hpp" | |
34 #include "interpreter/rewriter.hpp" | |
35 #include "jvmtifiles/jvmti.h" | |
36 #include "memory/genOopClosures.inline.hpp" | |
7956 | 37 #include "memory/heapInspection.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
38 #include "memory/metadataFactory.hpp" |
1972 | 39 #include "memory/oopFactory.hpp" |
3938 | 40 #include "oops/fieldStreams.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
41 #include "oops/instanceClassLoaderKlass.hpp" |
1972 | 42 #include "oops/instanceKlass.hpp" |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
43 #include "oops/instanceMirrorKlass.hpp" |
1972 | 44 #include "oops/instanceOop.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
45 #include "oops/klass.inline.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
46 #include "oops/method.hpp" |
1972 | 47 #include "oops/oop.inline.hpp" |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
48 #include "oops/symbol.hpp" |
1972 | 49 #include "prims/jvmtiExport.hpp" |
50 #include "prims/jvmtiRedefineClassesTrace.hpp" | |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
51 #include "prims/jvmtiRedefineClasses.hpp" |
7459
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
52 #include "prims/methodComparator.hpp" |
1972 | 53 #include "runtime/fieldDescriptor.hpp" |
54 #include "runtime/handles.inline.hpp" | |
55 #include "runtime/javaCalls.hpp" | |
56 #include "runtime/mutexLocker.hpp" | |
7180
f34d701e952e
8003935: Simplify the needed includes for using Thread::current()
stefank
parents:
6985
diff
changeset
|
57 #include "runtime/thread.inline.hpp" |
10149
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
58 #include "services/classLoadingService.hpp" |
1972 | 59 #include "services/threadService.hpp" |
60 #include "utilities/dtrace.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
61 #include "utilities/macros.hpp" |
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
62 #if INCLUDE_ALL_GCS |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
63 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp" |
1972 | 64 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
65 #include "gc_implementation/g1/g1OopClosures.inline.hpp" | |
66 #include "gc_implementation/g1/g1RemSet.inline.hpp" | |
67 #include "gc_implementation/g1/heapRegionSeq.inline.hpp" | |
68 #include "gc_implementation/parNew/parOopClosures.inline.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
69 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp" |
1972 | 70 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" |
71 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
72 #include "oops/oop.pcgc.inline.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
73 #endif // INCLUDE_ALL_GCS |
1972 | 74 #ifdef COMPILER1 |
75 #include "c1/c1_Compiler.hpp" | |
76 #endif | |
0 | 77 |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
78 #ifdef DTRACE_ENABLED |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
79 |
4006 | 80 #ifndef USDT2 |
81 | |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
82 HS_DTRACE_PROBE_DECL4(hotspot, class__initialization__required, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
83 char*, intptr_t, oop, intptr_t); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
84 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__recursive, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
85 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
86 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__concurrent, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
87 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
88 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__erroneous, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
89 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
90 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__super__failed, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
91 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
92 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__clinit, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
93 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
94 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__error, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
95 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
96 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end, |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
97 char*, intptr_t, oop, intptr_t, int); |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
98 |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
99 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
100 { \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
101 char* data = NULL; \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
102 int len = 0; \ |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
103 Symbol* name = (clss)->name(); \ |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
104 if (name != NULL) { \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
105 data = (char*)name->bytes(); \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
106 len = name->utf8_length(); \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
107 } \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
108 HS_DTRACE_PROBE4(hotspot, class__initialization__##type, \ |
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12287
diff
changeset
|
109 data, len, SOLARIS_ONLY((void *))(clss)->class_loader(), thread_type); \ |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
110 } |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
111 |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
112 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
113 { \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
114 char* data = NULL; \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
115 int len = 0; \ |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
116 Symbol* name = (clss)->name(); \ |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
117 if (name != NULL) { \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
118 data = (char*)name->bytes(); \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
119 len = name->utf8_length(); \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
120 } \ |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
121 HS_DTRACE_PROBE5(hotspot, class__initialization__##type, \ |
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12287
diff
changeset
|
122 data, len, SOLARIS_ONLY((void *))(clss)->class_loader(), thread_type, wait); \ |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
123 } |
4006 | 124 #else /* USDT2 */ |
125 | |
126 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED | |
127 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE | |
128 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT | |
129 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS | |
130 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED | |
131 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT | |
132 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR | |
133 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END | |
134 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \ | |
135 { \ | |
136 char* data = NULL; \ | |
137 int len = 0; \ | |
138 Symbol* name = (clss)->name(); \ | |
139 if (name != NULL) { \ | |
140 data = (char*)name->bytes(); \ | |
141 len = name->utf8_length(); \ | |
142 } \ | |
143 HOTSPOT_CLASS_INITIALIZATION_##type( \ | |
144 data, len, (clss)->class_loader(), thread_type); \ | |
145 } | |
146 | |
147 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \ | |
148 { \ | |
149 char* data = NULL; \ | |
150 int len = 0; \ | |
151 Symbol* name = (clss)->name(); \ | |
152 if (name != NULL) { \ | |
153 data = (char*)name->bytes(); \ | |
154 len = name->utf8_length(); \ | |
155 } \ | |
156 HOTSPOT_CLASS_INITIALIZATION_##type( \ | |
157 data, len, (clss)->class_loader(), thread_type, wait); \ | |
158 } | |
159 #endif /* USDT2 */ | |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
160 |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
161 #else // ndef DTRACE_ENABLED |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
162 |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
163 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
164 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
165 |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
166 #endif // ndef DTRACE_ENABLED |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
167 |
7464
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
7180
diff
changeset
|
168 volatile int InstanceKlass::_total_instanceKlass_count = 0; |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
7180
diff
changeset
|
169 |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
170 InstanceKlass* InstanceKlass::allocate_instance_klass( |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
171 ClassLoaderData* loader_data, |
8031 | 172 int vtable_len, |
173 int itable_len, | |
174 int static_field_size, | |
175 int nonstatic_oop_map_size, | |
176 ReferenceType rt, | |
177 AccessFlags access_flags, | |
178 Symbol* name, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
179 Klass* super_klass, |
8031 | 180 bool is_anonymous, |
181 TRAPS) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
182 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
183 int size = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size, |
8031 | 184 access_flags.is_interface(), is_anonymous); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
185 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
186 // Allocation |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
187 InstanceKlass* ik; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
188 if (rt == REF_NONE) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
189 if (name == vmSymbols::java_lang_Class()) { |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6733
diff
changeset
|
190 ik = new (loader_data, size, THREAD) InstanceMirrorKlass( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
191 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, |
8031 | 192 access_flags, is_anonymous); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
193 } else if (name == vmSymbols::java_lang_ClassLoader() || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
194 (SystemDictionary::ClassLoader_klass_loaded() && |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
195 super_klass != NULL && |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
196 super_klass->is_subtype_of(SystemDictionary::ClassLoader_klass()))) { |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6733
diff
changeset
|
197 ik = new (loader_data, size, THREAD) InstanceClassLoaderKlass( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
198 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, |
8031 | 199 access_flags, is_anonymous); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
200 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
201 // normal class |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
202 ik = new (loader_data, size, THREAD) InstanceKlass( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
203 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, |
8031 | 204 access_flags, is_anonymous); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
205 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
206 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
207 // reference klass |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6733
diff
changeset
|
208 ik = new (loader_data, size, THREAD) InstanceRefKlass( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
209 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, |
8031 | 210 access_flags, is_anonymous); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
211 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
212 |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
213 // Check for pending exception before adding to the loader data and incrementing |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
214 // class count. Can get OOM here. |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
215 if (HAS_PENDING_EXCEPTION) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
216 return NULL; |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
217 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
218 |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
219 // Add all classes to our internal class loader list here, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
220 // including classes in the bootstrap (NULL) class loader. |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
221 loader_data->add_class(ik); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
222 |
7464
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
7180
diff
changeset
|
223 Atomic::inc(&_total_instanceKlass_count); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
224 return ik; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
225 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
226 |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
227 |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
228 // copy method ordering from resource area to Metaspace |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
229 void InstanceKlass::copy_method_ordering(intArray* m, TRAPS) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
230 if (m != NULL) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
231 // allocate a new array and copy contents (memcpy?) |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
232 _method_ordering = MetadataFactory::new_array<int>(class_loader_data(), m->length(), CHECK); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
233 for (int i = 0; i < m->length(); i++) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
234 _method_ordering->at_put(i, m->at(i)); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
235 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
236 } else { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
237 _method_ordering = Universe::the_empty_int_array(); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
238 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
239 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
240 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
241 // create a new array of vtable_indices for default methods |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
242 Array<int>* InstanceKlass::create_new_default_vtable_indices(int len, TRAPS) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
243 Array<int>* vtable_indices = MetadataFactory::new_array<int>(class_loader_data(), len, CHECK_NULL); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
244 assert(default_vtable_indices() == NULL, "only create once"); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
245 set_default_vtable_indices(vtable_indices); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
246 return vtable_indices; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
247 } |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
248 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
249 InstanceKlass::InstanceKlass(int vtable_len, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
250 int itable_len, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
251 int static_field_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
252 int nonstatic_oop_map_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
253 ReferenceType rt, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
254 AccessFlags access_flags, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
255 bool is_anonymous) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
256 No_Safepoint_Verifier no_safepoint; // until k becomes parsable |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
257 |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
258 int iksize = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size, |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
259 access_flags.is_interface(), is_anonymous); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
260 |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
261 set_vtable_length(vtable_len); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
262 set_itable_length(itable_len); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
263 set_static_field_size(static_field_size); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
264 set_nonstatic_oop_map_size(nonstatic_oop_map_size); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
265 set_access_flags(access_flags); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
266 _misc_flags = 0; // initialize to zero |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
267 set_is_anonymous(is_anonymous); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
268 assert(size() == iksize, "wrong size for object"); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
269 |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
270 set_array_klasses(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
271 set_methods(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
272 set_method_ordering(NULL); |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
273 set_default_methods(NULL); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
274 set_default_vtable_indices(NULL); |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
275 set_local_interfaces(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
276 set_transitive_interfaces(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
277 init_implementor(); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
278 set_fields(NULL, 0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
279 set_constants(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
280 set_class_loader_data(NULL); |
12067
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
281 set_source_file_name_index(0); |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
282 set_source_debug_extension(NULL, 0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
283 set_array_name(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
284 set_inner_classes(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
285 set_static_oop_field_count(0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
286 set_nonstatic_field_size(0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
287 set_is_marked_dependent(false); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
288 set_init_state(InstanceKlass::allocated); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
289 set_init_thread(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
290 set_reference_type(rt); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
291 set_oop_map_cache(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
292 set_jni_ids(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
293 set_osr_nmethods_head(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
294 set_breakpoints(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
295 init_previous_versions(); |
12067
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
296 set_generic_signature_index(0); |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
297 release_set_methods_jmethod_ids(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
298 set_annotations(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
299 set_jvmti_cached_class_field_map(NULL); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
300 set_initial_method_idnum(0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
301 _dependencies = NULL; |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
302 set_jvmti_cached_class_field_map(NULL); |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
303 set_cached_class_file(NULL); |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
304 set_initial_method_idnum(0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
305 set_minor_version(0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
306 set_major_version(0); |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
307 NOT_PRODUCT(_verify_count = 0;) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
308 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
309 // initialize the non-header words to zero |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
310 intptr_t* p = (intptr_t*)this; |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
311 for (int index = InstanceKlass::header_size(); index < iksize; index++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
312 p[index] = NULL_WORD; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
313 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
314 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
315 // Set temporary value until parseClassFile updates it with the real instance |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
316 // size. |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
317 set_layout_helper(Klass::instance_layout_helper(0, true)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
318 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
319 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
320 |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
321 void InstanceKlass::deallocate_methods(ClassLoaderData* loader_data, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
322 Array<Method*>* methods) { |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
323 if (methods != NULL && methods != Universe::the_empty_method_array() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
324 !methods->is_shared()) { |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
325 for (int i = 0; i < methods->length(); i++) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
326 Method* method = methods->at(i); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
327 if (method == NULL) continue; // maybe null if error processing |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
328 // Only want to delete methods that are not executing for RedefineClasses. |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
329 // The previous version will point to them so they're not totally dangling |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
330 assert (!method->on_stack(), "shouldn't be called with methods on stack"); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
331 MetadataFactory::free_metadata(loader_data, method); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
332 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
333 MetadataFactory::free_array<Method*>(loader_data, methods); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
334 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
335 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
336 |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
337 void InstanceKlass::deallocate_interfaces(ClassLoaderData* loader_data, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
338 Klass* super_klass, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
339 Array<Klass*>* local_interfaces, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
340 Array<Klass*>* transitive_interfaces) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
341 // Only deallocate transitive interfaces if not empty, same as super class |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
342 // or same as local interfaces. See code in parseClassFile. |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
343 Array<Klass*>* ti = transitive_interfaces; |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
344 if (ti != Universe::the_empty_klass_array() && ti != local_interfaces) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
345 // check that the interfaces don't come from super class |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
346 Array<Klass*>* sti = (super_klass == NULL) ? NULL : |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
347 InstanceKlass::cast(super_klass)->transitive_interfaces(); |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
348 if (ti != sti && ti != NULL && !ti->is_shared()) { |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
349 MetadataFactory::free_array<Klass*>(loader_data, ti); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
350 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
351 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
352 |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
353 // local interfaces can be empty |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
354 if (local_interfaces != Universe::the_empty_klass_array() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
355 local_interfaces != NULL && !local_interfaces->is_shared()) { |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
356 MetadataFactory::free_array<Klass*>(loader_data, local_interfaces); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
357 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
358 } |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
359 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
360 // This function deallocates the metadata and C heap pointers that the |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
361 // InstanceKlass points to. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
362 void InstanceKlass::deallocate_contents(ClassLoaderData* loader_data) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
363 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
364 // Orphan the mirror first, CMS thinks it's still live. |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
365 if (java_mirror() != NULL) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
366 java_lang_Class::set_klass(java_mirror(), NULL); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
367 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
368 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
369 // Need to take this class off the class loader data list. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
370 loader_data->remove_class(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
371 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
372 // The array_klass for this class is created later, after error handling. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
373 // For class redefinition, we keep the original class so this scratch class |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
374 // doesn't have an array class. Either way, assert that there is nothing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
375 // to deallocate. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
376 assert(array_klasses() == NULL, "array classes shouldn't be created for this class yet"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
377 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
378 // Release C heap allocated data that this might point to, which includes |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
379 // reference counting symbol names. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
380 release_C_heap_structures(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
381 |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
382 deallocate_methods(loader_data, methods()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
383 set_methods(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
384 |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
385 if (method_ordering() != NULL && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
386 method_ordering() != Universe::the_empty_int_array() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
387 !method_ordering()->is_shared()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
388 MetadataFactory::free_array<int>(loader_data, method_ordering()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
389 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
390 set_method_ordering(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
391 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
392 // default methods can be empty |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
393 if (default_methods() != NULL && |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
394 default_methods() != Universe::the_empty_method_array() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
395 !default_methods()->is_shared()) { |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
396 MetadataFactory::free_array<Method*>(loader_data, default_methods()); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
397 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
398 // Do NOT deallocate the default methods, they are owned by superinterfaces. |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
399 set_default_methods(NULL); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
400 |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
401 // default methods vtable indices can be empty |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
402 if (default_vtable_indices() != NULL && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
403 !default_vtable_indices()->is_shared()) { |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
404 MetadataFactory::free_array<int>(loader_data, default_vtable_indices()); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
405 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
406 set_default_vtable_indices(NULL); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
407 |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
408 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
409 // This array is in Klass, but remove it with the InstanceKlass since |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
410 // this place would be the only caller and it can share memory with transitive |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
411 // interfaces. |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
412 if (secondary_supers() != NULL && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
413 secondary_supers() != Universe::the_empty_klass_array() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
414 secondary_supers() != transitive_interfaces() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
415 !secondary_supers()->is_shared()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
416 MetadataFactory::free_array<Klass*>(loader_data, secondary_supers()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
417 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
418 set_secondary_supers(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
419 |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
420 deallocate_interfaces(loader_data, super(), local_interfaces(), transitive_interfaces()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
421 set_transitive_interfaces(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
422 set_local_interfaces(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
423 |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
424 if (fields() != NULL && !fields()->is_shared()) { |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
425 MetadataFactory::free_array<jushort>(loader_data, fields()); |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
426 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
427 set_fields(NULL, 0); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
428 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
429 // If a method from a redefined class is using this constant pool, don't |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
430 // delete it, yet. The new class's previous version will point to this. |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
431 if (constants() != NULL) { |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
432 assert (!constants()->on_stack(), "shouldn't be called if anything is onstack"); |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
433 if (!constants()->is_shared()) { |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
434 MetadataFactory::free_metadata(loader_data, constants()); |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
435 } |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
436 set_constants(NULL); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
437 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
438 |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
439 if (inner_classes() != NULL && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
440 inner_classes() != Universe::the_empty_short_array() && |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
441 !inner_classes()->is_shared()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
442 MetadataFactory::free_array<jushort>(loader_data, inner_classes()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
443 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
444 set_inner_classes(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
445 |
12857
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
446 // We should deallocate the Annotations instance if it's not in shared spaces. |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
447 if (annotations() != NULL && !annotations()->is_shared()) { |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
448 MetadataFactory::free_metadata(loader_data, annotations()); |
d37a0525c0fe
8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
hseigel
parents:
12828
diff
changeset
|
449 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
450 set_annotations(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
451 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
452 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
453 bool InstanceKlass::should_be_initialized() const { |
0 | 454 return !is_initialized(); |
455 } | |
456 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
457 klassVtable* InstanceKlass::vtable() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
458 return new klassVtable(this, start_of_vtable(), vtable_length() / vtableEntry::size()); |
0 | 459 } |
460 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
461 klassItable* InstanceKlass::itable() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
462 return new klassItable(instanceKlassHandle(this)); |
0 | 463 } |
464 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
465 void InstanceKlass::eager_initialize(Thread *thread) { |
0 | 466 if (!EagerInitialization) return; |
467 | |
468 if (this->is_not_initialized()) { | |
469 // abort if the the class has a class initializer | |
470 if (this->class_initializer() != NULL) return; | |
471 | |
472 // abort if it is java.lang.Object (initialization is handled in genesis) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
473 Klass* super = this->super(); |
0 | 474 if (super == NULL) return; |
475 | |
476 // abort if the super class should be initialized | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
477 if (!InstanceKlass::cast(super)->is_initialized()) return; |
0 | 478 |
479 // call body to expose the this pointer | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
480 instanceKlassHandle this_oop(thread, this); |
0 | 481 eager_initialize_impl(this_oop); |
482 } | |
483 } | |
484 | |
10343
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
485 // JVMTI spec thinks there are signers and protection domain in the |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
486 // instanceKlass. These accessors pretend these fields are there. |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
487 // The hprof specification also thinks these fields are in InstanceKlass. |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
488 oop InstanceKlass::protection_domain() const { |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
489 // return the protection_domain from the mirror |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
490 return java_lang_Class::protection_domain(java_mirror()); |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
491 } |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
492 |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
493 // To remove these from requires an incompatible change and CCC request. |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
494 objArrayOop InstanceKlass::signers() const { |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
495 // return the signers from the mirror |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
496 return java_lang_Class::signers(java_mirror()); |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
497 } |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
498 |
12811
3374b92de2d9
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
12318
diff
changeset
|
499 oop InstanceKlass::init_lock() const { |
10343
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
500 // return the init lock from the mirror |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
501 return java_lang_Class::init_lock(java_mirror()); |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
502 } |
0 | 503 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
504 void InstanceKlass::eager_initialize_impl(instanceKlassHandle this_oop) { |
0 | 505 EXCEPTION_MARK; |
12811
3374b92de2d9
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
12318
diff
changeset
|
506 oop init_lock = this_oop->init_lock(); |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
507 ObjectLocker ol(init_lock, THREAD); |
0 | 508 |
509 // abort if someone beat us to the initialization | |
510 if (!this_oop->is_not_initialized()) return; // note: not equivalent to is_initialized() | |
511 | |
4739
52b5d32fbfaf
7117052: instanceKlass::_init_state can be u1 type
coleenp
parents:
4006
diff
changeset
|
512 ClassState old_state = this_oop->init_state(); |
0 | 513 link_class_impl(this_oop, true, THREAD); |
514 if (HAS_PENDING_EXCEPTION) { | |
515 CLEAR_PENDING_EXCEPTION; | |
516 // Abort if linking the class throws an exception. | |
517 | |
518 // Use a test to avoid redundantly resetting the state if there's | |
519 // no change. Set_init_state() asserts that state changes make | |
520 // progress, whereas here we might just be spinning in place. | |
521 if( old_state != this_oop->_init_state ) | |
522 this_oop->set_init_state (old_state); | |
523 } else { | |
524 // linking successfull, mark class as initialized | |
525 this_oop->set_init_state (fully_initialized); | |
526 // trace | |
527 if (TraceClassInitialization) { | |
528 ResourceMark rm(THREAD); | |
529 tty->print_cr("[Initialized %s without side effects]", this_oop->external_name()); | |
530 } | |
531 } | |
532 } | |
533 | |
534 | |
535 // See "The Virtual Machine Specification" section 2.16.5 for a detailed explanation of the class initialization | |
536 // process. The step comments refers to the procedure described in that section. | |
537 // Note: implementation moved to static method to expose the this pointer. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
538 void InstanceKlass::initialize(TRAPS) { |
0 | 539 if (this->should_be_initialized()) { |
540 HandleMark hm(THREAD); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
541 instanceKlassHandle this_oop(THREAD, this); |
0 | 542 initialize_impl(this_oop, CHECK); |
543 // Note: at this point the class may be initialized | |
544 // OR it may be in the state of being initialized | |
545 // in case of recursive initialization! | |
546 } else { | |
547 assert(is_initialized(), "sanity check"); | |
548 } | |
549 } | |
550 | |
551 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
552 bool InstanceKlass::verify_code( |
0 | 553 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) { |
554 // 1) Verify the bytecodes | |
555 Verifier::Mode mode = | |
556 throw_verifyerror ? Verifier::ThrowException : Verifier::NoException; | |
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
964
diff
changeset
|
557 return Verifier::verify(this_oop, mode, this_oop->should_verify_class(), CHECK_false); |
0 | 558 } |
559 | |
560 | |
561 // Used exclusively by the shared spaces dump mechanism to prevent | |
562 // classes mapped into the shared regions in new VMs from appearing linked. | |
563 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
564 void InstanceKlass::unlink_class() { |
0 | 565 assert(is_linked(), "must be linked"); |
566 _init_state = loaded; | |
567 } | |
568 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
569 void InstanceKlass::link_class(TRAPS) { |
0 | 570 assert(is_loaded(), "must be loaded"); |
571 if (!is_linked()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
572 HandleMark hm(THREAD); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
573 instanceKlassHandle this_oop(THREAD, this); |
0 | 574 link_class_impl(this_oop, true, CHECK); |
575 } | |
576 } | |
577 | |
578 // Called to verify that a class can link during initialization, without | |
579 // throwing a VerifyError. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
580 bool InstanceKlass::link_class_or_fail(TRAPS) { |
0 | 581 assert(is_loaded(), "must be loaded"); |
582 if (!is_linked()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
583 HandleMark hm(THREAD); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
584 instanceKlassHandle this_oop(THREAD, this); |
0 | 585 link_class_impl(this_oop, false, CHECK_false); |
586 } | |
587 return is_linked(); | |
588 } | |
589 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
590 bool InstanceKlass::link_class_impl( |
0 | 591 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) { |
592 // check for error state | |
593 if (this_oop->is_in_error_state()) { | |
594 ResourceMark rm(THREAD); | |
595 THROW_MSG_(vmSymbols::java_lang_NoClassDefFoundError(), | |
596 this_oop->external_name(), false); | |
597 } | |
598 // return if already verified | |
599 if (this_oop->is_linked()) { | |
600 return true; | |
601 } | |
602 | |
603 // Timing | |
604 // timer handles recursion | |
605 assert(THREAD->is_Java_thread(), "non-JavaThread in link_class_impl"); | |
606 JavaThread* jt = (JavaThread*)THREAD; | |
607 | |
608 // link super class before linking this class | |
609 instanceKlassHandle super(THREAD, this_oop->super()); | |
610 if (super.not_null()) { | |
611 if (super->is_interface()) { // check if super class is an interface | |
612 ResourceMark rm(THREAD); | |
613 Exceptions::fthrow( | |
614 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
615 vmSymbols::java_lang_IncompatibleClassChangeError(), |
0 | 616 "class %s has interface %s as super class", |
617 this_oop->external_name(), | |
618 super->external_name() | |
619 ); | |
620 return false; | |
621 } | |
622 | |
623 link_class_impl(super, throw_verifyerror, CHECK_false); | |
624 } | |
625 | |
626 // link all interfaces implemented by this class before linking this class | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
627 Array<Klass*>* interfaces = this_oop->local_interfaces(); |
0 | 628 int num_interfaces = interfaces->length(); |
629 for (int index = 0; index < num_interfaces; index++) { | |
630 HandleMark hm(THREAD); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
631 instanceKlassHandle ih(THREAD, interfaces->at(index)); |
0 | 632 link_class_impl(ih, throw_verifyerror, CHECK_false); |
633 } | |
634 | |
635 // in case the class is linked in the process of linking its superclasses | |
636 if (this_oop->is_linked()) { | |
637 return true; | |
638 } | |
639 | |
875
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
640 // trace only the link time for this klass that includes |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
641 // the verification time |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
642 PerfClassTraceTime vmtimer(ClassLoader::perf_class_link_time(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
643 ClassLoader::perf_class_link_selftime(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
644 ClassLoader::perf_classes_linked(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
645 jt->get_thread_stat()->perf_recursion_counts_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
646 jt->get_thread_stat()->perf_timers_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
647 PerfClassTraceTime::CLASS_LINK); |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
648 |
0 | 649 // verification & rewriting |
650 { | |
12811
3374b92de2d9
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
12318
diff
changeset
|
651 oop init_lock = this_oop->init_lock(); |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
652 ObjectLocker ol(init_lock, THREAD); |
0 | 653 // rewritten will have been set if loader constraint error found |
654 // on an earlier link attempt | |
655 // don't verify or rewrite if already rewritten | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
656 |
0 | 657 if (!this_oop->is_linked()) { |
658 if (!this_oop->is_rewritten()) { | |
659 { | |
660 // Timer includes any side effects of class verification (resolution, | |
661 // etc), but not recursive entry into verify_code(). | |
875
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
662 PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
663 ClassLoader::perf_class_verify_selftime(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
664 ClassLoader::perf_classes_verified(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
665 jt->get_thread_stat()->perf_recursion_counts_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
666 jt->get_thread_stat()->perf_timers_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
667 PerfClassTraceTime::CLASS_VERIFY); |
0 | 668 bool verify_ok = verify_code(this_oop, throw_verifyerror, THREAD); |
669 if (!verify_ok) { | |
670 return false; | |
671 } | |
672 } | |
673 | |
674 // Just in case a side-effect of verify linked this class already | |
675 // (which can sometimes happen since the verifier loads classes | |
676 // using custom class loaders, which are free to initialize things) | |
677 if (this_oop->is_linked()) { | |
678 return true; | |
679 } | |
680 | |
681 // also sets rewritten | |
682 this_oop->rewrite_class(CHECK_false); | |
683 } | |
684 | |
3748 | 685 // relocate jsrs and link methods after they are all rewritten |
7459
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
686 this_oop->link_methods(CHECK_false); |
3748 | 687 |
0 | 688 // Initialize the vtable and interface table after |
689 // methods have been rewritten since rewrite may | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
690 // fabricate new Method*s. |
0 | 691 // also does loader constraint checking |
692 if (!this_oop()->is_shared()) { | |
693 ResourceMark rm(THREAD); | |
694 this_oop->vtable()->initialize_vtable(true, CHECK_false); | |
695 this_oop->itable()->initialize_itable(true, CHECK_false); | |
696 } | |
697 #ifdef ASSERT | |
698 else { | |
699 ResourceMark rm(THREAD); | |
700 this_oop->vtable()->verify(tty, true); | |
701 // In case itable verification is ever added. | |
702 // this_oop->itable()->verify(tty, true); | |
703 } | |
704 #endif | |
705 this_oop->set_init_state(linked); | |
706 if (JvmtiExport::should_post_class_prepare()) { | |
707 Thread *thread = THREAD; | |
708 assert(thread->is_Java_thread(), "thread->is_Java_thread()"); | |
709 JvmtiExport::post_class_prepare((JavaThread *) thread, this_oop()); | |
710 } | |
711 } | |
712 } | |
713 return true; | |
714 } | |
715 | |
716 | |
717 // Rewrite the byte codes of all of the methods of a class. | |
718 // The rewriter must be called exactly once. Rewriting must happen after | |
719 // verification but before the first method of the class is executed. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
720 void InstanceKlass::rewrite_class(TRAPS) { |
0 | 721 assert(is_loaded(), "must be loaded"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
722 instanceKlassHandle this_oop(THREAD, this); |
0 | 723 if (this_oop->is_rewritten()) { |
724 assert(this_oop()->is_shared(), "rewriting an unshared class?"); | |
725 return; | |
726 } | |
3748 | 727 Rewriter::rewrite(this_oop, CHECK); |
0 | 728 this_oop->set_rewritten(); |
729 } | |
730 | |
3748 | 731 // Now relocate and link method entry points after class is rewritten. |
732 // This is outside is_rewritten flag. In case of an exception, it can be | |
733 // executed more than once. | |
7459
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
734 void InstanceKlass::link_methods(TRAPS) { |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
735 int len = methods()->length(); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
736 for (int i = len-1; i >= 0; i--) { |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
737 methodHandle m(THREAD, methods()->at(i)); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
738 |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
739 // Set up method entry points for compiler and interpreter . |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
740 m->link_method(m, CHECK); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
741 |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
742 // This is for JVMTI and unrelated to relocator but the last thing we do |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
743 #ifdef ASSERT |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
744 if (StressMethodComparator) { |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
745 ResourceMark rm(THREAD); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
746 static int nmc = 0; |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
747 for (int j = i; j >= 0 && j >= i-4; j--) { |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
748 if ((++nmc % 1000) == 0) tty->print_cr("Have run MethodComparator %d times...", nmc); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
749 bool z = MethodComparator::methods_EMCP(m(), |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
750 methods()->at(j)); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
751 if (j == i && !z) { |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
752 tty->print("MethodComparator FAIL: "); m->print(); m->print_codes(); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
753 assert(z, "method must compare equal to itself"); |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
754 } |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
755 } |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
756 } |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
757 #endif //ASSERT |
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
758 } |
3748 | 759 } |
760 | |
0 | 761 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
762 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) { |
0 | 763 // Make sure klass is linked (verified) before initialization |
764 // A class could already be verified, since it has been reflected upon. | |
765 this_oop->link_class(CHECK); | |
766 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
767 DTRACE_CLASSINIT_PROBE(required, InstanceKlass::cast(this_oop()), -1); |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
768 |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
769 bool wait = false; |
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
770 |
0 | 771 // refer to the JVM book page 47 for description of steps |
772 // Step 1 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
773 { |
12811
3374b92de2d9
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
12318
diff
changeset
|
774 oop init_lock = this_oop->init_lock(); |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
775 ObjectLocker ol(init_lock, THREAD); |
0 | 776 |
777 Thread *self = THREAD; // it's passed the current thread | |
778 | |
779 // Step 2 | |
780 // If we were to use wait() instead of waitInterruptibly() then | |
781 // we might end up throwing IE from link/symbol resolution sites | |
782 // that aren't expected to throw. This would wreak havoc. See 6320309. | |
783 while(this_oop->is_being_initialized() && !this_oop->is_reentrant_initialization(self)) { | |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
784 wait = true; |
0 | 785 ol.waitUninterruptibly(CHECK); |
786 } | |
787 | |
788 // Step 3 | |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
789 if (this_oop->is_being_initialized() && this_oop->is_reentrant_initialization(self)) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
790 DTRACE_CLASSINIT_PROBE_WAIT(recursive, InstanceKlass::cast(this_oop()), -1,wait); |
0 | 791 return; |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
792 } |
0 | 793 |
794 // Step 4 | |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
795 if (this_oop->is_initialized()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
796 DTRACE_CLASSINIT_PROBE_WAIT(concurrent, InstanceKlass::cast(this_oop()), -1,wait); |
0 | 797 return; |
1324
e392695de029
6935224: Adding new DTrace probes to work with Palantir
fparain
parents:
1155
diff
changeset
|
798 } |
0 | 799 |
800 // Step 5 | |
801 if (this_oop->is_in_error_state()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
802 DTRACE_CLASSINIT_PROBE_WAIT(erroneous, InstanceKlass::cast(this_oop()), -1,wait); |
0 | 803 ResourceMark rm(THREAD); |
804 const char* desc = "Could not initialize class "; | |
805 const char* className = this_oop->external_name(); | |
806 size_t msglen = strlen(desc) + strlen(className) + 1; | |
1751
2528b5bd749c
6980262: Memory leak when exception is thrown in static initializer
kamg
parents:
1706
diff
changeset
|
807 char* message = NEW_RESOURCE_ARRAY(char, msglen); |
0 | 808 if (NULL == message) { |
809 // Out of memory: can't create detailed error message | |
810 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), className); | |
811 } else { | |
812 jio_snprintf(message, msglen, "%s%s", desc, className); | |
813 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), message); | |
814 } | |
815 } | |
816 | |
817 // Step 6 | |
818 this_oop->set_init_state(being_initialized); | |
819 this_oop->set_init_thread(self); | |
820 } | |
821 | |
822 // Step 7 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
823 Klass* super_klass = this_oop->super(); |
6983 | 824 if (super_klass != NULL && !this_oop->is_interface() && super_klass->should_be_initialized()) { |
825 super_klass->initialize(THREAD); | |
0 | 826 |
827 if (HAS_PENDING_EXCEPTION) { | |
828 Handle e(THREAD, PENDING_EXCEPTION); | |
829 CLEAR_PENDING_EXCEPTION; | |
830 { | |
831 EXCEPTION_MARK; | |
832 this_oop->set_initialization_state_and_notify(initialization_error, THREAD); // Locks object, set state, and notify all waiting threads | |
833 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, superclass initialization error is thrown below | |
834 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
835 DTRACE_CLASSINIT_PROBE_WAIT(super__failed, InstanceKlass::cast(this_oop()), -1,wait); |
0 | 836 THROW_OOP(e()); |
837 } | |
838 } | |
839 | |
6934 | 840 if (this_oop->has_default_methods()) { |
841 // Step 7.5: initialize any interfaces which have default methods | |
842 for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) { | |
843 Klass* iface = this_oop->local_interfaces()->at(i); | |
844 InstanceKlass* ik = InstanceKlass::cast(iface); | |
845 if (ik->has_default_methods() && ik->should_be_initialized()) { | |
846 ik->initialize(THREAD); | |
847 | |
848 if (HAS_PENDING_EXCEPTION) { | |
849 Handle e(THREAD, PENDING_EXCEPTION); | |
850 CLEAR_PENDING_EXCEPTION; | |
851 { | |
852 EXCEPTION_MARK; | |
853 // Locks object, set state, and notify all waiting threads | |
854 this_oop->set_initialization_state_and_notify( | |
855 initialization_error, THREAD); | |
856 | |
857 // ignore any exception thrown, superclass initialization error is | |
858 // thrown below | |
859 CLEAR_PENDING_EXCEPTION; | |
860 } | |
861 DTRACE_CLASSINIT_PROBE_WAIT( | |
862 super__failed, InstanceKlass::cast(this_oop()), -1, wait); | |
863 THROW_OOP(e()); | |
864 } | |
865 } | |
866 } | |
867 } | |
868 | |
0 | 869 // Step 8 |
870 { | |
871 assert(THREAD->is_Java_thread(), "non-JavaThread in initialize_impl"); | |
872 JavaThread* jt = (JavaThread*)THREAD; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
873 DTRACE_CLASSINIT_PROBE_WAIT(clinit, InstanceKlass::cast(this_oop()), -1,wait); |
0 | 874 // Timer includes any side effects of class initialization (resolution, |
875 // etc), but not recursive entry into call_class_initializer(). | |
875
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
876 PerfClassTraceTime timer(ClassLoader::perf_class_init_time(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
877 ClassLoader::perf_class_init_selftime(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
878 ClassLoader::perf_classes_inited(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
879 jt->get_thread_stat()->perf_recursion_counts_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
880 jt->get_thread_stat()->perf_timers_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
676
diff
changeset
|
881 PerfClassTraceTime::CLASS_CLINIT); |
0 | 882 this_oop->call_class_initializer(THREAD); |
883 } | |
884 | |
885 // Step 9 | |
886 if (!HAS_PENDING_EXCEPTION) { | |
887 this_oop->set_initialization_state_and_notify(fully_initialized, CHECK); | |
888 { ResourceMark rm(THREAD); | |
889 debug_only(this_oop->vtable()->verify(tty, true);) | |
890 } | |
891 } | |
892 else { | |
893 // Step 10 and 11 | |
894 Handle e(THREAD, PENDING_EXCEPTION); | |
895 CLEAR_PENDING_EXCEPTION; | |
896 { | |
897 EXCEPTION_MARK; | |
898 this_oop->set_initialization_state_and_notify(initialization_error, THREAD); | |
899 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, class initialization error is thrown below | |
900 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
901 DTRACE_CLASSINIT_PROBE_WAIT(error, InstanceKlass::cast(this_oop()), -1,wait); |
1142 | 902 if (e->is_a(SystemDictionary::Error_klass())) { |
0 | 903 THROW_OOP(e()); |
904 } else { | |
905 JavaCallArguments args(e); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
906 THROW_ARG(vmSymbols::java_lang_ExceptionInInitializerError(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
907 vmSymbols::throwable_void_signature(), |
0 | 908 &args); |
909 } | |
910 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
911 DTRACE_CLASSINIT_PROBE_WAIT(end, InstanceKlass::cast(this_oop()), -1,wait); |
0 | 912 } |
913 | |
914 | |
915 // Note: implementation moved to static method to expose the this pointer. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
916 void InstanceKlass::set_initialization_state_and_notify(ClassState state, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
917 instanceKlassHandle kh(THREAD, this); |
0 | 918 set_initialization_state_and_notify_impl(kh, state, CHECK); |
919 } | |
920 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
921 void InstanceKlass::set_initialization_state_and_notify_impl(instanceKlassHandle this_oop, ClassState state, TRAPS) { |
12811
3374b92de2d9
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
12318
diff
changeset
|
922 oop init_lock = this_oop->init_lock(); |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
923 ObjectLocker ol(init_lock, THREAD); |
0 | 924 this_oop->set_init_state(state); |
925 ol.notify_all(CHECK); | |
926 } | |
927 | |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
928 // The embedded _implementor field can only record one implementor. |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
929 // When there are more than one implementors, the _implementor field |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
930 // is set to the interface Klass* itself. Following are the possible |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
931 // values for the _implementor field: |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
932 // NULL - no implementor |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
933 // implementor Klass* - one implementor |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
934 // self - more than one implementor |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
935 // |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
936 // The _implementor field only exists for interfaces. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
937 void InstanceKlass::add_implementor(Klass* k) { |
0 | 938 assert(Compile_lock->owned_by_self(), ""); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
939 assert(is_interface(), "not interface"); |
0 | 940 // Filter out my subinterfaces. |
941 // (Note: Interfaces are never on the subklass list.) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
942 if (InstanceKlass::cast(k)->is_interface()) return; |
0 | 943 |
944 // Filter out subclasses whose supers already implement me. | |
945 // (Note: CHA must walk subclasses of direct implementors | |
946 // in order to locate indirect implementors.) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
947 Klass* sk = InstanceKlass::cast(k)->super(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
948 if (sk != NULL && InstanceKlass::cast(sk)->implements_interface(this)) |
0 | 949 // We only need to check one immediate superclass, since the |
950 // implements_interface query looks at transitive_interfaces. | |
951 // Any supers of the super have the same (or fewer) transitive_interfaces. | |
952 return; | |
953 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
954 Klass* ik = implementor(); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
955 if (ik == NULL) { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
956 set_implementor(k); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
957 } else if (ik != this) { |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
958 // There is already an implementor. Use itself as an indicator of |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
959 // more than one implementors. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
960 set_implementor(this); |
0 | 961 } |
962 | |
963 // The implementor also implements the transitive_interfaces | |
964 for (int index = 0; index < local_interfaces()->length(); index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
965 InstanceKlass::cast(local_interfaces()->at(index))->add_implementor(k); |
0 | 966 } |
967 } | |
968 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
969 void InstanceKlass::init_implementor() { |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
970 if (is_interface()) { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
971 set_implementor(NULL); |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
972 } |
0 | 973 } |
974 | |
975 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
976 void InstanceKlass::process_interfaces(Thread *thread) { |
0 | 977 // link this class into the implementors list of every interface it implements |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
978 Klass* this_as_klass_oop = this; |
0 | 979 for (int i = local_interfaces()->length() - 1; i >= 0; i--) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
980 assert(local_interfaces()->at(i)->is_klass(), "must be a klass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
981 InstanceKlass* interf = InstanceKlass::cast(local_interfaces()->at(i)); |
0 | 982 assert(interf->is_interface(), "expected interface"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
983 interf->add_implementor(this_as_klass_oop); |
0 | 984 } |
985 } | |
986 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
987 bool InstanceKlass::can_be_primary_super_slow() const { |
0 | 988 if (is_interface()) |
989 return false; | |
990 else | |
991 return Klass::can_be_primary_super_slow(); | |
992 } | |
993 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
994 GrowableArray<Klass*>* InstanceKlass::compute_secondary_supers(int num_extra_slots) { |
0 | 995 // The secondaries are the implemented interfaces. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
996 InstanceKlass* ik = InstanceKlass::cast(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
997 Array<Klass*>* interfaces = ik->transitive_interfaces(); |
0 | 998 int num_secondaries = num_extra_slots + interfaces->length(); |
999 if (num_secondaries == 0) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1000 // Must share this for correct bootstrapping! |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1001 set_secondary_supers(Universe::the_empty_klass_array()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1002 return NULL; |
0 | 1003 } else if (num_extra_slots == 0) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1004 // The secondary super list is exactly the same as the transitive interfaces. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1005 // Redefine classes has to be careful not to delete this! |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1006 set_secondary_supers(interfaces); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1007 return NULL; |
0 | 1008 } else { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1009 // Copy transitive interfaces to a temporary growable array to be constructed |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1010 // into the secondary super list with extra slots. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1011 GrowableArray<Klass*>* secondaries = new GrowableArray<Klass*>(interfaces->length()); |
0 | 1012 for (int i = 0; i < interfaces->length(); i++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1013 secondaries->push(interfaces->at(i)); |
0 | 1014 } |
1015 return secondaries; | |
1016 } | |
1017 } | |
1018 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1019 bool InstanceKlass::compute_is_subtype_of(Klass* k) { |
6983 | 1020 if (k->is_interface()) { |
0 | 1021 return implements_interface(k); |
1022 } else { | |
1023 return Klass::compute_is_subtype_of(k); | |
1024 } | |
1025 } | |
1026 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1027 bool InstanceKlass::implements_interface(Klass* k) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1028 if (this == k) return true; |
6983 | 1029 assert(k->is_interface(), "should be an interface class"); |
0 | 1030 for (int i = 0; i < transitive_interfaces()->length(); i++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1031 if (transitive_interfaces()->at(i) == k) { |
0 | 1032 return true; |
1033 } | |
1034 } | |
1035 return false; | |
1036 } | |
1037 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1038 objArrayOop InstanceKlass::allocate_objArray(int n, int length, TRAPS) { |
0 | 1039 if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); |
1040 if (length > arrayOopDesc::max_array_length(T_OBJECT)) { | |
876
1413494da700
6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit
martin
parents:
875
diff
changeset
|
1041 report_java_out_of_memory("Requested array size exceeds VM limit"); |
5935
a735aec54ea4
7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02
sspitsyn
parents:
4739
diff
changeset
|
1042 JvmtiExport::post_array_size_exhausted(); |
0 | 1043 THROW_OOP_0(Universe::out_of_memory_error_array_size()); |
1044 } | |
1045 int size = objArrayOopDesc::object_size(length); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1046 Klass* ak = array_klass(n, CHECK_NULL); |
0 | 1047 KlassHandle h_ak (THREAD, ak); |
1048 objArrayOop o = | |
1049 (objArrayOop)CollectedHeap::array_allocate(h_ak, size, length, CHECK_NULL); | |
1050 return o; | |
1051 } | |
1052 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1053 instanceOop InstanceKlass::register_finalizer(instanceOop i, TRAPS) { |
0 | 1054 if (TraceFinalizerRegistration) { |
1055 tty->print("Registered "); | |
1056 i->print_value_on(tty); | |
1057 tty->print_cr(" (" INTPTR_FORMAT ") as finalizable", (address)i); | |
1058 } | |
1059 instanceHandle h_i(THREAD, i); | |
1060 // Pass the handle as argument, JavaCalls::call expects oop as jobjects | |
1061 JavaValue result(T_VOID); | |
1062 JavaCallArguments args(h_i); | |
1063 methodHandle mh (THREAD, Universe::finalizer_register_method()); | |
1064 JavaCalls::call(&result, mh, &args, CHECK_NULL); | |
1065 return h_i(); | |
1066 } | |
1067 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1068 instanceOop InstanceKlass::allocate_instance(TRAPS) { |
0 | 1069 bool has_finalizer_flag = has_finalizer(); // Query before possible GC |
1070 int size = size_helper(); // Query before forming handle. | |
1071 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1072 KlassHandle h_k(THREAD, this); |
0 | 1073 |
1074 instanceOop i; | |
1075 | |
1076 i = (instanceOop)CollectedHeap::obj_allocate(h_k, size, CHECK_NULL); | |
1077 if (has_finalizer_flag && !RegisterFinalizersAtInit) { | |
1078 i = register_finalizer(i, CHECK_NULL); | |
1079 } | |
1080 return i; | |
1081 } | |
1082 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1083 void InstanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) { |
0 | 1084 if (is_interface() || is_abstract()) { |
1085 ResourceMark rm(THREAD); | |
1086 THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError() | |
1087 : vmSymbols::java_lang_InstantiationException(), external_name()); | |
1088 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1089 if (this == SystemDictionary::Class_klass()) { |
0 | 1090 ResourceMark rm(THREAD); |
1091 THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError() | |
1092 : vmSymbols::java_lang_IllegalAccessException(), external_name()); | |
1093 } | |
1094 } | |
1095 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1096 Klass* InstanceKlass::array_klass_impl(bool or_null, int n, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1097 instanceKlassHandle this_oop(THREAD, this); |
0 | 1098 return array_klass_impl(this_oop, or_null, n, THREAD); |
1099 } | |
1100 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1101 Klass* InstanceKlass::array_klass_impl(instanceKlassHandle this_oop, bool or_null, int n, TRAPS) { |
0 | 1102 if (this_oop->array_klasses() == NULL) { |
1103 if (or_null) return NULL; | |
1104 | |
1105 ResourceMark rm; | |
1106 JavaThread *jt = (JavaThread *)THREAD; | |
1107 { | |
1108 // Atomic creation of array_klasses | |
1109 MutexLocker mc(Compile_lock, THREAD); // for vtables | |
1110 MutexLocker ma(MultiArray_lock, THREAD); | |
1111 | |
1112 // Check if update has already taken place | |
1113 if (this_oop->array_klasses() == NULL) { | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1114 Klass* k = ObjArrayKlass::allocate_objArray_klass(this_oop->class_loader_data(), 1, this_oop, CHECK_NULL); |
0 | 1115 this_oop->set_array_klasses(k); |
1116 } | |
1117 } | |
1118 } | |
1119 // _this will always be set at this point | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1120 ObjArrayKlass* oak = (ObjArrayKlass*)this_oop->array_klasses(); |
0 | 1121 if (or_null) { |
1122 return oak->array_klass_or_null(n); | |
1123 } | |
1124 return oak->array_klass(n, CHECK_NULL); | |
1125 } | |
1126 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1127 Klass* InstanceKlass::array_klass_impl(bool or_null, TRAPS) { |
0 | 1128 return array_klass_impl(or_null, 1, THREAD); |
1129 } | |
1130 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1131 void InstanceKlass::call_class_initializer(TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1132 instanceKlassHandle ik (THREAD, this); |
0 | 1133 call_class_initializer_impl(ik, THREAD); |
1134 } | |
1135 | |
1136 static int call_class_initializer_impl_counter = 0; // for debugging | |
1137 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1138 Method* InstanceKlass::class_initializer() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1139 Method* clinit = find_method( |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2227
diff
changeset
|
1140 vmSymbols::class_initializer_name(), vmSymbols::void_method_signature()); |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2227
diff
changeset
|
1141 if (clinit != NULL && clinit->has_valid_initializer_flags()) { |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2227
diff
changeset
|
1142 return clinit; |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2227
diff
changeset
|
1143 } |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2227
diff
changeset
|
1144 return NULL; |
0 | 1145 } |
1146 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1147 void InstanceKlass::call_class_initializer_impl(instanceKlassHandle this_oop, TRAPS) { |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1148 if (ReplayCompiles && |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1149 (ReplaySuppressInitializers == 1 || |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1150 ReplaySuppressInitializers >= 2 && this_oop->class_loader() != NULL)) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1151 // Hide the existence of the initializer for the purpose of replaying the compile |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1152 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1153 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
1154 |
0 | 1155 methodHandle h_method(THREAD, this_oop->class_initializer()); |
1156 assert(!this_oop->is_initialized(), "we cannot initialize twice"); | |
1157 if (TraceClassInitialization) { | |
1158 tty->print("%d Initializing ", call_class_initializer_impl_counter++); | |
1159 this_oop->name()->print_value(); | |
1160 tty->print_cr("%s (" INTPTR_FORMAT ")", h_method() == NULL ? "(no method)" : "", (address)this_oop()); | |
1161 } | |
1162 if (h_method() != NULL) { | |
1163 JavaCallArguments args; // No arguments | |
1164 JavaValue result(T_VOID); | |
1165 JavaCalls::call(&result, h_method, &args, CHECK); // Static call (no args) | |
1166 } | |
1167 } | |
1168 | |
1169 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1170 void InstanceKlass::mask_for(methodHandle method, int bci, |
0 | 1171 InterpreterOopMap* entry_for) { |
1172 // Dirty read, then double-check under a lock. | |
1173 if (_oop_map_cache == NULL) { | |
1174 // Otherwise, allocate a new one. | |
1175 MutexLocker x(OopMapCacheAlloc_lock); | |
1176 // First time use. Allocate a cache in C heap | |
1177 if (_oop_map_cache == NULL) { | |
1178 _oop_map_cache = new OopMapCache(); | |
1179 } | |
1180 } | |
1181 // _oop_map_cache is constant after init; lookup below does is own locking. | |
1182 _oop_map_cache->lookup(method, bci, entry_for); | |
1183 } | |
1184 | |
1185 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1186 bool InstanceKlass::find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1187 for (JavaFieldStream fs(this); !fs.done(); fs.next()) { |
3938 | 1188 Symbol* f_name = fs.name(); |
1189 Symbol* f_sig = fs.signature(); | |
0 | 1190 if (f_name == name && f_sig == sig) { |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
1191 fd->reinitialize(const_cast<InstanceKlass*>(this), fs.index()); |
0 | 1192 return true; |
1193 } | |
1194 } | |
1195 return false; | |
1196 } | |
1197 | |
1198 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1199 Klass* InstanceKlass::find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const { |
0 | 1200 const int n = local_interfaces()->length(); |
1201 for (int i = 0; i < n; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1202 Klass* intf1 = local_interfaces()->at(i); |
6983 | 1203 assert(intf1->is_interface(), "just checking type"); |
0 | 1204 // search for field in current interface |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1205 if (InstanceKlass::cast(intf1)->find_local_field(name, sig, fd)) { |
0 | 1206 assert(fd->is_static(), "interface field must be static"); |
1207 return intf1; | |
1208 } | |
1209 // search for field in direct superinterfaces | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1210 Klass* intf2 = InstanceKlass::cast(intf1)->find_interface_field(name, sig, fd); |
0 | 1211 if (intf2 != NULL) return intf2; |
1212 } | |
1213 // otherwise field lookup fails | |
1214 return NULL; | |
1215 } | |
1216 | |
1217 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1218 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const { |
0 | 1219 // search order according to newest JVM spec (5.4.3.2, p.167). |
1220 // 1) search for field in current klass | |
1221 if (find_local_field(name, sig, fd)) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1222 return const_cast<InstanceKlass*>(this); |
0 | 1223 } |
1224 // 2) search for field recursively in direct superinterfaces | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1225 { Klass* intf = find_interface_field(name, sig, fd); |
0 | 1226 if (intf != NULL) return intf; |
1227 } | |
1228 // 3) apply field lookup recursively if superclass exists | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1229 { Klass* supr = super(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1230 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, fd); |
0 | 1231 } |
1232 // 4) otherwise field lookup fails | |
1233 return NULL; | |
1234 } | |
1235 | |
1236 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1237 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const { |
0 | 1238 // search order according to newest JVM spec (5.4.3.2, p.167). |
1239 // 1) search for field in current klass | |
1240 if (find_local_field(name, sig, fd)) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1241 if (fd->is_static() == is_static) return const_cast<InstanceKlass*>(this); |
0 | 1242 } |
1243 // 2) search for field recursively in direct superinterfaces | |
1244 if (is_static) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1245 Klass* intf = find_interface_field(name, sig, fd); |
0 | 1246 if (intf != NULL) return intf; |
1247 } | |
1248 // 3) apply field lookup recursively if superclass exists | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1249 { Klass* supr = super(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1250 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, is_static, fd); |
0 | 1251 } |
1252 // 4) otherwise field lookup fails | |
1253 return NULL; | |
1254 } | |
1255 | |
1256 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1257 bool InstanceKlass::find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1258 for (JavaFieldStream fs(this); !fs.done(); fs.next()) { |
3938 | 1259 if (fs.offset() == offset) { |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
1260 fd->reinitialize(const_cast<InstanceKlass*>(this), fs.index()); |
0 | 1261 if (fd->is_static() == is_static) return true; |
1262 } | |
1263 } | |
1264 return false; | |
1265 } | |
1266 | |
1267 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1268 bool InstanceKlass::find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1269 Klass* klass = const_cast<InstanceKlass*>(this); |
0 | 1270 while (klass != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1271 if (InstanceKlass::cast(klass)->find_local_field_from_offset(offset, is_static, fd)) { |
0 | 1272 return true; |
1273 } | |
6983 | 1274 klass = klass->super(); |
0 | 1275 } |
1276 return false; | |
1277 } | |
1278 | |
1279 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1280 void InstanceKlass::methods_do(void f(Method* method)) { |
0 | 1281 int len = methods()->length(); |
1282 for (int index = 0; index < len; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1283 Method* m = methods()->at(index); |
0 | 1284 assert(m->is_method(), "must be method"); |
1285 f(m); | |
1286 } | |
1287 } | |
1288 | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
1289 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1290 void InstanceKlass::do_local_static_fields(FieldClosure* cl) { |
3938 | 1291 for (JavaFieldStream fs(this); !fs.done(); fs.next()) { |
1292 if (fs.access_flags().is_static()) { | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
1293 fieldDescriptor& fd = fs.field_descriptor(); |
3938 | 1294 cl->do_field(&fd); |
1295 } | |
0 | 1296 } |
1297 } | |
1298 | |
1299 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1300 void InstanceKlass::do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1301 instanceKlassHandle h_this(THREAD, this); |
0 | 1302 do_local_static_fields_impl(h_this, f, CHECK); |
1303 } | |
1304 | |
1305 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1306 void InstanceKlass::do_local_static_fields_impl(instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS) { |
3938 | 1307 for (JavaFieldStream fs(this_oop()); !fs.done(); fs.next()) { |
1308 if (fs.access_flags().is_static()) { | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
1309 fieldDescriptor& fd = fs.field_descriptor(); |
3938 | 1310 f(&fd, CHECK); |
1311 } | |
0 | 1312 } |
1313 } | |
1314 | |
1315 | |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1316 static int compare_fields_by_offset(int* a, int* b) { |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1317 return a[0] - b[0]; |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1318 } |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1319 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1320 void InstanceKlass::do_nonstatic_fields(FieldClosure* cl) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1321 InstanceKlass* super = superklass(); |
0 | 1322 if (super != NULL) { |
1323 super->do_nonstatic_fields(cl); | |
1324 } | |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1325 fieldDescriptor fd; |
3938 | 1326 int length = java_fields_count(); |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1327 // In DebugInfo nonstatic fields are sorted by offset. |
6197 | 1328 int* fields_sorted = NEW_C_HEAP_ARRAY(int, 2*(length+1), mtClass); |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1329 int j = 0; |
3938 | 1330 for (int i = 0; i < length; i += 1) { |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
1331 fd.reinitialize(this, i); |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1332 if (!fd.is_static()) { |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1333 fields_sorted[j + 0] = fd.offset(); |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1334 fields_sorted[j + 1] = i; |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1335 j += 2; |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1336 } |
0 | 1337 } |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1338 if (j > 0) { |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1339 length = j; |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1340 // _sort_Fn is defined in growableArray.hpp. |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1341 qsort(fields_sorted, length/2, 2*sizeof(int), (_sort_Fn)compare_fields_by_offset); |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1342 for (int i = 0; i < length; i += 2) { |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
1343 fd.reinitialize(this, fields_sorted[i + 1]); |
44
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1344 assert(!fd.is_static() && fd.offset() == fields_sorted[i], "only nonstatic fields"); |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1345 cl->do_field(&fd); |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1346 } |
52fed2ec0afb
6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents:
0
diff
changeset
|
1347 } |
6197 | 1348 FREE_C_HEAP_ARRAY(int, fields_sorted, mtClass); |
0 | 1349 } |
1350 | |
1351 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1352 void InstanceKlass::array_klasses_do(void f(Klass* k, TRAPS), TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1353 if (array_klasses() != NULL) |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1354 ArrayKlass::cast(array_klasses())->array_klasses_do(f, THREAD); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1355 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1356 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1357 void InstanceKlass::array_klasses_do(void f(Klass* k)) { |
0 | 1358 if (array_klasses() != NULL) |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1359 ArrayKlass::cast(array_klasses())->array_klasses_do(f); |
0 | 1360 } |
1361 | |
1362 #ifdef ASSERT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1363 static int linear_search(Array<Method*>* methods, Symbol* name, Symbol* signature) { |
0 | 1364 int len = methods->length(); |
1365 for (int index = 0; index < len; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1366 Method* m = methods->at(index); |
0 | 1367 assert(m->is_method(), "must be method"); |
1368 if (m->signature() == signature && m->name() == name) { | |
1369 return index; | |
1370 } | |
1371 } | |
1372 return -1; | |
1373 } | |
1374 #endif | |
1375 | |
6934 | 1376 static int binary_search(Array<Method*>* methods, Symbol* name) { |
0 | 1377 int len = methods->length(); |
1378 // methods are sorted, so do binary search | |
1379 int l = 0; | |
1380 int h = len - 1; | |
1381 while (l <= h) { | |
1382 int mid = (l + h) >> 1; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1383 Method* m = methods->at(mid); |
0 | 1384 assert(m->is_method(), "must be method"); |
1385 int res = m->name()->fast_compare(name); | |
1386 if (res == 0) { | |
6934 | 1387 return mid; |
0 | 1388 } else if (res < 0) { |
1389 l = mid + 1; | |
1390 } else { | |
1391 h = mid - 1; | |
1392 } | |
1393 } | |
6934 | 1394 return -1; |
1395 } | |
1396 | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1397 // find_method looks up the name/signature in the local methods array |
6934 | 1398 Method* InstanceKlass::find_method(Symbol* name, Symbol* signature) const { |
1399 return InstanceKlass::find_method(methods(), name, signature); | |
1400 } | |
1401 | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1402 // find_method looks up the name/signature in the local methods array |
6934 | 1403 Method* InstanceKlass::find_method( |
1404 Array<Method*>* methods, Symbol* name, Symbol* signature) { | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1405 int hit = find_method_index(methods, name, signature); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1406 return hit >= 0 ? methods->at(hit): NULL; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1407 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1408 |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1409 // Used directly for default_methods to find the index into the |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1410 // default_vtable_indices, and indirectly by find_method |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1411 // find_method_index looks in the local methods array to return the index |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1412 // of the matching name/signature |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1413 int InstanceKlass::find_method_index( |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1414 Array<Method*>* methods, Symbol* name, Symbol* signature) { |
6934 | 1415 int hit = binary_search(methods, name); |
1416 if (hit != -1) { | |
1417 Method* m = methods->at(hit); | |
1418 // Do linear search to find matching signature. First, quick check | |
1419 // for common case | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1420 if (m->signature() == signature) return hit; |
6934 | 1421 // search downwards through overloaded methods |
1422 int i; | |
1423 for (i = hit - 1; i >= 0; --i) { | |
1424 Method* m = methods->at(i); | |
1425 assert(m->is_method(), "must be method"); | |
1426 if (m->name() != name) break; | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1427 if (m->signature() == signature) return i; |
6934 | 1428 } |
1429 // search upwards | |
1430 for (i = hit + 1; i < methods->length(); ++i) { | |
1431 Method* m = methods->at(i); | |
1432 assert(m->is_method(), "must be method"); | |
1433 if (m->name() != name) break; | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1434 if (m->signature() == signature) return i; |
6934 | 1435 } |
1436 // not found | |
0 | 1437 #ifdef ASSERT |
6934 | 1438 int index = linear_search(methods, name, signature); |
1439 assert(index == -1, err_msg("binary search should have found entry %d", index)); | |
0 | 1440 #endif |
6934 | 1441 } |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1442 return -1; |
0 | 1443 } |
6934 | 1444 int InstanceKlass::find_method_by_name(Symbol* name, int* end) { |
1445 return find_method_by_name(methods(), name, end); | |
1446 } | |
1447 | |
1448 int InstanceKlass::find_method_by_name( | |
1449 Array<Method*>* methods, Symbol* name, int* end_ptr) { | |
1450 assert(end_ptr != NULL, "just checking"); | |
1451 int start = binary_search(methods, name); | |
1452 int end = start + 1; | |
1453 if (start != -1) { | |
1454 while (start - 1 >= 0 && (methods->at(start - 1))->name() == name) --start; | |
1455 while (end < methods->length() && (methods->at(end))->name() == name) ++end; | |
1456 *end_ptr = end; | |
1457 return start; | |
1458 } | |
1459 return -1; | |
1460 } | |
1461 | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1462 // lookup_method searches both the local methods array and all superclasses methods arrays |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1463 Method* InstanceKlass::uncached_lookup_method(Symbol* name, Symbol* signature) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1464 Klass* klass = const_cast<InstanceKlass*>(this); |
0 | 1465 while (klass != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1466 Method* method = InstanceKlass::cast(klass)->find_method(name, signature); |
0 | 1467 if (method != NULL) return method; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1468 klass = InstanceKlass::cast(klass)->super(); |
0 | 1469 } |
1470 return NULL; | |
1471 } | |
1472 | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1473 // lookup a method in the default methods list then in all transitive interfaces |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1474 // Do NOT return private or static methods |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1475 Method* InstanceKlass::lookup_method_in_ordered_interfaces(Symbol* name, |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1476 Symbol* signature) const { |
12828
d25557d03ec0
8026185: nsk/jvmit/GetMethodDeclaringClass/declcls001 failed
acorn
parents:
12823
diff
changeset
|
1477 Method* m = NULL; |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1478 if (default_methods() != NULL) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1479 m = find_method(default_methods(), name, signature); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1480 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1481 // Look up interfaces |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1482 if (m == NULL) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1483 m = lookup_method_in_all_interfaces(name, signature); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1484 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1485 return m; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1486 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
1487 |
0 | 1488 // lookup a method in all the interfaces that this class implements |
12318
36b97be47bde
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
12316
diff
changeset
|
1489 // Do NOT return private or static methods, new in JDK8 which are not externally visible |
36b97be47bde
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
12316
diff
changeset
|
1490 // They should only be found in the initial InterfaceMethodRef |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1491 Method* InstanceKlass::lookup_method_in_all_interfaces(Symbol* name, |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1492 Symbol* signature) const { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1493 Array<Klass*>* all_ifs = transitive_interfaces(); |
0 | 1494 int num_ifs = all_ifs->length(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1495 InstanceKlass *ik = NULL; |
0 | 1496 for (int i = 0; i < num_ifs; i++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1497 ik = InstanceKlass::cast(all_ifs->at(i)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1498 Method* m = ik->lookup_method(name, signature); |
12318
36b97be47bde
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
12316
diff
changeset
|
1499 if (m != NULL && m->is_public() && !m->is_static()) { |
0 | 1500 return m; |
1501 } | |
1502 } | |
1503 return NULL; | |
1504 } | |
1505 | |
1506 /* jni_id_for_impl for jfieldIds only */ | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1507 JNIid* InstanceKlass::jni_id_for_impl(instanceKlassHandle this_oop, int offset) { |
0 | 1508 MutexLocker ml(JfieldIdCreation_lock); |
1509 // Retry lookup after we got the lock | |
1510 JNIid* probe = this_oop->jni_ids() == NULL ? NULL : this_oop->jni_ids()->find(offset); | |
1511 if (probe == NULL) { | |
1512 // Slow case, allocate new static field identifier | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1513 probe = new JNIid(this_oop(), offset, this_oop->jni_ids()); |
0 | 1514 this_oop->set_jni_ids(probe); |
1515 } | |
1516 return probe; | |
1517 } | |
1518 | |
1519 | |
1520 /* jni_id_for for jfieldIds only */ | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1521 JNIid* InstanceKlass::jni_id_for(int offset) { |
0 | 1522 JNIid* probe = jni_ids() == NULL ? NULL : jni_ids()->find(offset); |
1523 if (probe == NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1524 probe = jni_id_for_impl(this, offset); |
0 | 1525 } |
1526 return probe; | |
1527 } | |
1528 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1529 u2 InstanceKlass::enclosing_method_data(int offset) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1530 Array<jushort>* inner_class_list = inner_classes(); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1531 if (inner_class_list == NULL) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1532 return 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1533 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1534 int length = inner_class_list->length(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1535 if (length % inner_class_next_offset == 0) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1536 return 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1537 } else { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1538 int index = length - enclosing_method_attribute_size; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1539 assert(offset < enclosing_method_attribute_size, "invalid offset"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1540 return inner_class_list->at(index + offset); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1541 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1542 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1543 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1544 void InstanceKlass::set_enclosing_method_indices(u2 class_index, |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1545 u2 method_index) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1546 Array<jushort>* inner_class_list = inner_classes(); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1547 assert (inner_class_list != NULL, "_inner_classes list is not set up"); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1548 int length = inner_class_list->length(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1549 if (length % inner_class_next_offset == enclosing_method_attribute_size) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1550 int index = length - enclosing_method_attribute_size; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1551 inner_class_list->at_put( |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1552 index + enclosing_method_class_index_offset, class_index); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1553 inner_class_list->at_put( |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1554 index + enclosing_method_method_index_offset, method_index); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1555 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
1556 } |
0 | 1557 |
1558 // Lookup or create a jmethodID. | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1559 // This code is called by the VMThread and JavaThreads so the |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1560 // locking has to be done very carefully to avoid deadlocks |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1561 // and/or other cache consistency problems. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1562 // |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1563 jmethodID InstanceKlass::get_jmethod_id(instanceKlassHandle ik_h, methodHandle method_h) { |
0 | 1564 size_t idnum = (size_t)method_h->method_idnum(); |
1565 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire(); | |
1566 size_t length = 0; | |
1567 jmethodID id = NULL; | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1568 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1569 // We use a double-check locking idiom here because this cache is |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1570 // performance sensitive. In the normal system, this cache only |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1571 // transitions from NULL to non-NULL which is safe because we use |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1572 // release_set_methods_jmethod_ids() to advertise the new cache. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1573 // A partially constructed cache should never be seen by a racing |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1574 // thread. We also use release_store_ptr() to save a new jmethodID |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1575 // in the cache so a partially constructed jmethodID should never be |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1576 // seen either. Cache reads of existing jmethodIDs proceed without a |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1577 // lock, but cache writes of a new jmethodID requires uniqueness and |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1578 // creation of the cache itself requires no leaks so a lock is |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1579 // generally acquired in those two cases. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1580 // |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1581 // If the RedefineClasses() API has been used, then this cache can |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1582 // grow and we'll have transitions from non-NULL to bigger non-NULL. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1583 // Cache creation requires no leaks and we require safety between all |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1584 // cache accesses and freeing of the old cache so a lock is generally |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1585 // acquired when the RedefineClasses() API has been used. |
0 | 1586 |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1587 if (jmeths != NULL) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1588 // the cache already exists |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1589 if (!ik_h->idnum_can_increment()) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1590 // the cache can't grow so we can just get the current values |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1591 get_jmethod_id_length_value(jmeths, idnum, &length, &id); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1592 } else { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1593 // cache can grow so we have to be more careful |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1594 if (Threads::number_of_threads() == 0 || |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1595 SafepointSynchronize::is_at_safepoint()) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1596 // we're single threaded or at a safepoint - no locking needed |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1597 get_jmethod_id_length_value(jmeths, idnum, &length, &id); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1598 } else { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1599 MutexLocker ml(JmethodIdCreation_lock); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1600 get_jmethod_id_length_value(jmeths, idnum, &length, &id); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1601 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1602 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1603 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1604 // implied else: |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1605 // we need to allocate a cache so default length and id values are good |
0 | 1606 |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1607 if (jmeths == NULL || // no cache yet |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1608 length <= idnum || // cache is too short |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1609 id == NULL) { // cache doesn't contain entry |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1610 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1611 // This function can be called by the VMThread so we have to do all |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1612 // things that might block on a safepoint before grabbing the lock. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1613 // Otherwise, we can deadlock with the VMThread or have a cache |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1614 // consistency issue. These vars keep track of what we might have |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1615 // to free after the lock is dropped. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1616 jmethodID to_dealloc_id = NULL; |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1617 jmethodID* to_dealloc_jmeths = NULL; |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1618 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1619 // may not allocate new_jmeths or use it if we allocate it |
0 | 1620 jmethodID* new_jmeths = NULL; |
1621 if (length <= idnum) { | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1622 // allocate a new cache that might be used |
0 | 1623 size_t size = MAX2(idnum+1, (size_t)ik_h->idnum_allocated_count()); |
6197 | 1624 new_jmeths = NEW_C_HEAP_ARRAY(jmethodID, size+1, mtClass); |
0 | 1625 memset(new_jmeths, 0, (size+1)*sizeof(jmethodID)); |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1626 // cache size is stored in element[0], other elements offset by one |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1627 new_jmeths[0] = (jmethodID)size; |
0 | 1628 } |
1629 | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1630 // allocate a new jmethodID that might be used |
0 | 1631 jmethodID new_id = NULL; |
1632 if (method_h->is_old() && !method_h->is_obsolete()) { | |
1633 // The method passed in is old (but not obsolete), we need to use the current version | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1634 Method* current_method = ik_h->method_with_idnum((int)idnum); |
0 | 1635 assert(current_method != NULL, "old and but not obsolete, so should exist"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1636 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), current_method); |
0 | 1637 } else { |
1638 // It is the current version of the method or an obsolete method, | |
1639 // use the version passed in | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1640 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), method_h()); |
0 | 1641 } |
1642 | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1643 if (Threads::number_of_threads() == 0 || |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1644 SafepointSynchronize::is_at_safepoint()) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1645 // we're single threaded or at a safepoint - no locking needed |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1646 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1647 &to_dealloc_id, &to_dealloc_jmeths); |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1648 } else { |
0 | 1649 MutexLocker ml(JmethodIdCreation_lock); |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1650 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1651 &to_dealloc_id, &to_dealloc_jmeths); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1652 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1653 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1654 // The lock has been dropped so we can free resources. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1655 // Free up either the old cache or the new cache if we allocated one. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1656 if (to_dealloc_jmeths != NULL) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1657 FreeHeap(to_dealloc_jmeths); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1658 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1659 // free up the new ID since it wasn't needed |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1660 if (to_dealloc_id != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1661 Method::destroy_jmethod_id(ik_h->class_loader_data(), to_dealloc_id); |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1662 } |
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1663 } |
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1664 return id; |
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1665 } |
0 | 1666 |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1667 |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1668 // Common code to fetch the jmethodID from the cache or update the |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1669 // cache with the new jmethodID. This function should never do anything |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1670 // that causes the caller to go to a safepoint or we can deadlock with |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1671 // the VMThread or have cache consistency issues. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1672 // |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1673 jmethodID InstanceKlass::get_jmethod_id_fetch_or_update( |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1674 instanceKlassHandle ik_h, size_t idnum, jmethodID new_id, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1675 jmethodID* new_jmeths, jmethodID* to_dealloc_id_p, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1676 jmethodID** to_dealloc_jmeths_p) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1677 assert(new_id != NULL, "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1678 assert(to_dealloc_id_p != NULL, "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1679 assert(to_dealloc_jmeths_p != NULL, "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1680 assert(Threads::number_of_threads() == 0 || |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1681 SafepointSynchronize::is_at_safepoint() || |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1682 JmethodIdCreation_lock->owned_by_self(), "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1683 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1684 // reacquire the cache - we are locked, single threaded or at a safepoint |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1685 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire(); |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1686 jmethodID id = NULL; |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1687 size_t length = 0; |
0 | 1688 |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1689 if (jmeths == NULL || // no cache yet |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1690 (length = (size_t)jmeths[0]) <= idnum) { // cache is too short |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1691 if (jmeths != NULL) { |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1692 // copy any existing entries from the old cache |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1693 for (size_t index = 0; index < length; index++) { |
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1694 new_jmeths[index+1] = jmeths[index+1]; |
0 | 1695 } |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1696 *to_dealloc_jmeths_p = jmeths; // save old cache for later delete |
0 | 1697 } |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1698 ik_h->release_set_methods_jmethod_ids(jmeths = new_jmeths); |
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1699 } else { |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1700 // fetch jmethodID (if any) from the existing cache |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1701 id = jmeths[idnum+1]; |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1702 *to_dealloc_jmeths_p = new_jmeths; // save new cache for later delete |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1703 } |
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1704 if (id == NULL) { |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1705 // No matching jmethodID in the existing cache or we have a new |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1706 // cache or we just grew the cache. This cache write is done here |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1707 // by the first thread to win the foot race because a jmethodID |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1708 // needs to be unique once it is generally available. |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1709 id = new_id; |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1710 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1711 // The jmethodID cache can be read while unlocked so we have to |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1712 // make sure the new jmethodID is complete before installing it |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1713 // in the cache. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1714 OrderAccess::release_store_ptr(&jmeths[idnum+1], id); |
49
31000d79ec71
6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
dcubed
parents:
47
diff
changeset
|
1715 } else { |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1716 *to_dealloc_id_p = new_id; // save new id for later delete |
0 | 1717 } |
1718 return id; | |
1719 } | |
1720 | |
1721 | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1722 // Common code to get the jmethodID cache length and the jmethodID |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1723 // value at index idnum if there is one. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1724 // |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1725 void InstanceKlass::get_jmethod_id_length_value(jmethodID* cache, |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1726 size_t idnum, size_t *length_p, jmethodID* id_p) { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1727 assert(cache != NULL, "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1728 assert(length_p != NULL, "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1729 assert(id_p != NULL, "sanity check"); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1730 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1731 // cache size is stored in element[0], other elements offset by one |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1732 *length_p = (size_t)cache[0]; |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1733 if (*length_p <= idnum) { // cache is too short |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1734 *id_p = NULL; |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1735 } else { |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1736 *id_p = cache[idnum+1]; // fetch jmethodID (if any) |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1737 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1738 } |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1739 |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1740 |
0 | 1741 // Lookup a jmethodID, NULL if not found. Do no blocking, no allocations, no handles |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1742 jmethodID InstanceKlass::jmethod_id_or_null(Method* method) { |
0 | 1743 size_t idnum = (size_t)method->method_idnum(); |
1744 jmethodID* jmeths = methods_jmethod_ids_acquire(); | |
1745 size_t length; // length assigned as debugging crumb | |
1746 jmethodID id = NULL; | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
1747 if (jmeths != NULL && // If there is a cache |
0 | 1748 (length = (size_t)jmeths[0]) > idnum) { // and if it is long enough, |
1749 id = jmeths[idnum+1]; // Look up the id (may be NULL) | |
1750 } | |
1751 return id; | |
1752 } | |
1753 | |
1754 | |
1755 // | |
1756 // Walk the list of dependent nmethods searching for nmethods which | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3748
diff
changeset
|
1757 // are dependent on the changes that were passed in and mark them for |
0 | 1758 // deoptimization. Returns the number of nmethods found. |
1759 // | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1760 int InstanceKlass::mark_dependent_nmethods(DepChange& changes) { |
0 | 1761 assert_locked_or_safepoint(CodeCache_lock); |
1762 int found = 0; | |
1763 nmethodBucket* b = _dependencies; | |
1764 while (b != NULL) { | |
1765 nmethod* nm = b->get_nmethod(); | |
1766 // since dependencies aren't removed until an nmethod becomes a zombie, | |
1767 // the dependency list may contain nmethods which aren't alive. | |
1768 if (nm->is_alive() && !nm->is_marked_for_deoptimization() && nm->check_dependency_on(changes)) { | |
1769 if (TraceDependencies) { | |
1770 ResourceMark rm; | |
1771 tty->print_cr("Marked for deoptimization"); | |
1772 tty->print_cr(" context = %s", this->external_name()); | |
1773 changes.print(); | |
1774 nm->print(); | |
1775 nm->print_dependencies(); | |
1776 } | |
1777 nm->mark_for_deoptimization(); | |
1778 found++; | |
1779 } | |
1780 b = b->next(); | |
1781 } | |
1782 return found; | |
1783 } | |
1784 | |
1785 | |
1786 // | |
1787 // Add an nmethodBucket to the list of dependencies for this nmethod. | |
1788 // It's possible that an nmethod has multiple dependencies on this klass | |
1789 // so a count is kept for each bucket to guarantee that creation and | |
1790 // deletion of dependencies is consistent. | |
1791 // | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1792 void InstanceKlass::add_dependent_nmethod(nmethod* nm) { |
0 | 1793 assert_locked_or_safepoint(CodeCache_lock); |
1794 nmethodBucket* b = _dependencies; | |
1795 nmethodBucket* last = NULL; | |
1796 while (b != NULL) { | |
1797 if (nm == b->get_nmethod()) { | |
1798 b->increment(); | |
1799 return; | |
1800 } | |
1801 b = b->next(); | |
1802 } | |
1803 _dependencies = new nmethodBucket(nm, _dependencies); | |
1804 } | |
1805 | |
1806 | |
1807 // | |
1808 // Decrement count of the nmethod in the dependency list and remove | |
1809 // the bucket competely when the count goes to 0. This method must | |
1810 // find a corresponding bucket otherwise there's a bug in the | |
1811 // recording of dependecies. | |
1812 // | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1813 void InstanceKlass::remove_dependent_nmethod(nmethod* nm) { |
0 | 1814 assert_locked_or_safepoint(CodeCache_lock); |
1815 nmethodBucket* b = _dependencies; | |
1816 nmethodBucket* last = NULL; | |
1817 while (b != NULL) { | |
1818 if (nm == b->get_nmethod()) { | |
1819 if (b->decrement() == 0) { | |
1820 if (last == NULL) { | |
1821 _dependencies = b->next(); | |
1822 } else { | |
1823 last->set_next(b->next()); | |
1824 } | |
1825 delete b; | |
1826 } | |
1827 return; | |
1828 } | |
1829 last = b; | |
1830 b = b->next(); | |
1831 } | |
1832 #ifdef ASSERT | |
1833 tty->print_cr("### %s can't find dependent nmethod:", this->external_name()); | |
1834 nm->print(); | |
1835 #endif // ASSERT | |
1836 ShouldNotReachHere(); | |
1837 } | |
1838 | |
1839 | |
1840 #ifndef PRODUCT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1841 void InstanceKlass::print_dependent_nmethods(bool verbose) { |
0 | 1842 nmethodBucket* b = _dependencies; |
1843 int idx = 0; | |
1844 while (b != NULL) { | |
1845 nmethod* nm = b->get_nmethod(); | |
1846 tty->print("[%d] count=%d { ", idx++, b->count()); | |
1847 if (!verbose) { | |
1848 nm->print_on(tty, "nmethod"); | |
1849 tty->print_cr(" } "); | |
1850 } else { | |
1851 nm->print(); | |
1852 nm->print_dependencies(); | |
1853 tty->print_cr("--- } "); | |
1854 } | |
1855 b = b->next(); | |
1856 } | |
1857 } | |
1858 | |
1859 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1860 bool InstanceKlass::is_dependent_nmethod(nmethod* nm) { |
0 | 1861 nmethodBucket* b = _dependencies; |
1862 while (b != NULL) { | |
1863 if (nm == b->get_nmethod()) { | |
1864 return true; | |
1865 } | |
1866 b = b->next(); | |
1867 } | |
1868 return false; | |
1869 } | |
1870 #endif //PRODUCT | |
1871 | |
1872 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1873 // Garbage collection |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1874 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1875 #ifdef ASSERT |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1876 template <class T> void assert_is_in(T *p) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1877 T heap_oop = oopDesc::load_heap_oop(p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1878 if (!oopDesc::is_null(heap_oop)) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1879 oop o = oopDesc::decode_heap_oop_not_null(heap_oop); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1880 assert(Universe::heap()->is_in(o), "should be in heap"); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1881 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1882 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1883 template <class T> void assert_is_in_closed_subset(T *p) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1884 T heap_oop = oopDesc::load_heap_oop(p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1885 if (!oopDesc::is_null(heap_oop)) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1886 oop o = oopDesc::decode_heap_oop_not_null(heap_oop); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1887 assert(Universe::heap()->is_in_closed_subset(o), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1888 err_msg("should be in closed *p " INTPTR_FORMAT " " INTPTR_FORMAT, (address)p, (address)o)); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1889 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1890 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1891 template <class T> void assert_is_in_reserved(T *p) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1892 T heap_oop = oopDesc::load_heap_oop(p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1893 if (!oopDesc::is_null(heap_oop)) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1894 oop o = oopDesc::decode_heap_oop_not_null(heap_oop); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1895 assert(Universe::heap()->is_in_reserved(o), "should be in reserved"); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1896 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1897 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1898 template <class T> void assert_nothing(T *p) {} |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1899 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1900 #else |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1901 template <class T> void assert_is_in(T *p) {} |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1902 template <class T> void assert_is_in_closed_subset(T *p) {} |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1903 template <class T> void assert_is_in_reserved(T *p) {} |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1904 template <class T> void assert_nothing(T *p) {} |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1905 #endif // ASSERT |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1906 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1907 // |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1908 // Macros that iterate over areas of oops which are specialized on type of |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1909 // oop pointer either narrow or wide, depending on UseCompressedOops |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1910 // |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1911 // Parameters are: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1912 // T - type of oop to point to (either oop or narrowOop) |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1913 // start_p - starting pointer for region to iterate over |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1914 // count - number of oops or narrowOops to iterate over |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1915 // do_oop - action to perform on each oop (it's arbitrary C code which |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1916 // makes it more efficient to put in a macro rather than making |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1917 // it a template function) |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1918 // assert_fn - assert function which is template function because performance |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1919 // doesn't matter when enabled. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1920 #define InstanceKlass_SPECIALIZED_OOP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1921 T, start_p, count, do_oop, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1922 assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1923 { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1924 T* p = (T*)(start_p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1925 T* const end = p + (count); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1926 while (p < end) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1927 (assert_fn)(p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1928 do_oop; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1929 ++p; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1930 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1931 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1932 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1933 #define InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1934 T, start_p, count, do_oop, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1935 assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1936 { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1937 T* const start = (T*)(start_p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1938 T* p = start + (count); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1939 while (start < p) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1940 --p; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1941 (assert_fn)(p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1942 do_oop; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1943 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1944 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1945 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1946 #define InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1947 T, start_p, count, low, high, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1948 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1949 { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1950 T* const l = (T*)(low); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1951 T* const h = (T*)(high); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1952 assert(mask_bits((intptr_t)l, sizeof(T)-1) == 0 && \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1953 mask_bits((intptr_t)h, sizeof(T)-1) == 0, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1954 "bounded region must be properly aligned"); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1955 T* p = (T*)(start_p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1956 T* end = p + (count); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1957 if (p < l) p = l; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1958 if (end > h) end = h; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1959 while (p < end) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1960 (assert_fn)(p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1961 do_oop; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1962 ++p; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1963 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1964 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1965 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1966 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1967 // The following macros call specialized macros, passing either oop or |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1968 // narrowOop as the specialization type. These test the UseCompressedOops |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1969 // flag. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1970 #define InstanceKlass_OOP_MAP_ITERATE(obj, do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1971 { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1972 /* Compute oopmap block range. The common case \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1973 is nonstatic_oop_map_size == 1. */ \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1974 OopMapBlock* map = start_of_nonstatic_oop_maps(); \ |
938 | 1975 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1976 if (UseCompressedOops) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1977 while (map < end_map) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1978 InstanceKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \ |
938 | 1979 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1980 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1981 ++map; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1982 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1983 } else { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1984 while (map < end_map) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1985 InstanceKlass_SPECIALIZED_OOP_ITERATE(oop, \ |
938 | 1986 obj->obj_field_addr<oop>(map->offset()), map->count(), \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1987 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1988 ++map; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1989 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1990 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1991 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1992 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1993 #define InstanceKlass_OOP_MAP_REVERSE_ITERATE(obj, do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1994 { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1995 OopMapBlock* const start_map = start_of_nonstatic_oop_maps(); \ |
938 | 1996 OopMapBlock* map = start_map + nonstatic_oop_map_count(); \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1997 if (UseCompressedOops) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1998 while (start_map < map) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
1999 --map; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2000 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(narrowOop, \ |
938 | 2001 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2002 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2003 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2004 } else { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2005 while (start_map < map) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2006 --map; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2007 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(oop, \ |
938 | 2008 obj->obj_field_addr<oop>(map->offset()), map->count(), \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2009 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2010 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2011 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2012 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2013 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2014 #define InstanceKlass_BOUNDED_OOP_MAP_ITERATE(obj, low, high, do_oop, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2015 assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2016 { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2017 /* Compute oopmap block range. The common case is \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2018 nonstatic_oop_map_size == 1, so we accept the \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2019 usually non-existent extra overhead of examining \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2020 all the maps. */ \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2021 OopMapBlock* map = start_of_nonstatic_oop_maps(); \ |
938 | 2022 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2023 if (UseCompressedOops) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2024 while (map < end_map) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2025 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \ |
938 | 2026 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2027 low, high, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2028 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2029 ++map; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2030 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2031 } else { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2032 while (map < end_map) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2033 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \ |
938 | 2034 obj->obj_field_addr<oop>(map->offset()), map->count(), \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2035 low, high, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2036 do_oop, assert_fn) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2037 ++map; \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2038 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2039 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2040 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2041 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2042 void InstanceKlass::oop_follow_contents(oop obj) { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2043 assert(obj != NULL, "can't follow the content of NULL object"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2044 MarkSweep::follow_klass(obj->klass()); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2045 InstanceKlass_OOP_MAP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2046 obj, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2047 MarkSweep::mark_and_push(p), \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2048 assert_is_in_closed_subset) |
0 | 2049 } |
2050 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2051 #if INCLUDE_ALL_GCS |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2052 void InstanceKlass::oop_follow_contents(ParCompactionManager* cm, |
0 | 2053 oop obj) { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2054 assert(obj != NULL, "can't follow the content of NULL object"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2055 PSParallelCompact::follow_klass(cm, obj->klass()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2056 // Only mark the header and let the scan of the meta-data mark |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2057 // everything else. |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2058 InstanceKlass_OOP_MAP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2059 obj, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2060 PSParallelCompact::mark_and_push(cm, p), \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2061 assert_is_in) |
0 | 2062 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2063 #endif // INCLUDE_ALL_GCS |
0 | 2064 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2065 // closure's do_metadata() method dictates whether the given closure should be |
0 | 2066 // applied to the klass ptr in the object header. |
2067 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2068 #define if_do_metadata_checked(closure, nv_suffix) \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2069 /* Make sure the non-virtual and the virtual versions match. */ \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2070 assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2071 "Inconsistency in do_metadata"); \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2072 if (closure->do_metadata##nv_suffix()) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2073 |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2074 #define InstanceKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2075 \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2076 int InstanceKlass::oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2077 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik);\ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2078 /* header */ \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2079 if_do_metadata_checked(closure, nv_suffix) { \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2080 closure->do_klass##nv_suffix(obj->klass()); \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2081 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2082 InstanceKlass_OOP_MAP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2083 obj, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2084 SpecializationStats:: \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2085 record_do_oop_call##nv_suffix(SpecializationStats::ik); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2086 (closure)->do_oop##nv_suffix(p), \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2087 assert_is_in_closed_subset) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2088 return size_helper(); \ |
0 | 2089 } |
2090 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2091 #if INCLUDE_ALL_GCS |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2092 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2093 \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2094 int InstanceKlass::oop_oop_iterate_backwards##nv_suffix(oop obj, \ |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2095 OopClosureType* closure) { \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2096 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik); \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2097 /* header */ \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2098 if_do_metadata_checked(closure, nv_suffix) { \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2099 closure->do_klass##nv_suffix(obj->klass()); \ |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2100 } \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2101 /* instance variables */ \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2102 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2103 obj, \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2104 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::ik);\ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2105 (closure)->do_oop##nv_suffix(p), \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2106 assert_is_in_closed_subset) \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2107 return size_helper(); \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2108 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2109 #endif // INCLUDE_ALL_GCS |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2110 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2111 #define InstanceKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2112 \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2113 int InstanceKlass::oop_oop_iterate##nv_suffix##_m(oop obj, \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2114 OopClosureType* closure, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2115 MemRegion mr) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2116 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik);\ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2117 if_do_metadata_checked(closure, nv_suffix) { \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2118 if (mr.contains(obj)) { \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2119 closure->do_klass##nv_suffix(obj->klass()); \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2120 } \ |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2121 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2122 InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2123 obj, mr.start(), mr.end(), \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2124 (closure)->do_oop##nv_suffix(p), \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2125 assert_is_in_closed_subset) \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2126 return size_helper(); \ |
0 | 2127 } |
2128 | |
2129 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DEFN) | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2130 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN) |
0 | 2131 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DEFN_m) |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2132 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN_m) |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2133 #if INCLUDE_ALL_GCS |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2134 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN) |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2135 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN) |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2136 #endif // INCLUDE_ALL_GCS |
0 | 2137 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2138 int InstanceKlass::oop_adjust_pointers(oop obj) { |
0 | 2139 int size = size_helper(); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2140 InstanceKlass_OOP_MAP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2141 obj, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2142 MarkSweep::adjust_pointer(p), \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2143 assert_is_in) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2144 MarkSweep::adjust_klass(obj->klass()); |
0 | 2145 return size; |
2146 } | |
2147 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2148 #if INCLUDE_ALL_GCS |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2149 void InstanceKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2150 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2151 obj, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2152 if (PSScavenge::should_scavenge(p)) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2153 pm->claim_or_forward_depth(p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2154 }, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2155 assert_nothing ) |
0 | 2156 } |
2157 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2158 int InstanceKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2159 int size = size_helper(); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2160 InstanceKlass_OOP_MAP_ITERATE( \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2161 obj, \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
2162 PSParallelCompact::adjust_pointer(p), \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2163 assert_is_in) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2164 obj->update_header(cm); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2165 return size; |
0 | 2166 } |
2167 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7610
diff
changeset
|
2168 #endif // INCLUDE_ALL_GCS |
0 | 2169 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2170 void InstanceKlass::clean_implementors_list(BoolObjectClosure* is_alive) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2171 assert(is_loader_alive(is_alive), "this klass should be live"); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
2172 if (is_interface()) { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
2173 if (ClassUnloading) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2174 Klass* impl = implementor(); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
2175 if (impl != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2176 if (!impl->is_loader_alive(is_alive)) { |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
2177 // remove this guy |
8693
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
2178 Klass** klass = adr_implementor(); |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
2179 assert(klass != NULL, "null klass"); |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
2180 if (klass != NULL) { |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
2181 *klass = NULL; |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
2182 } |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5969
diff
changeset
|
2183 } |
0 | 2184 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2185 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2186 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2187 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2188 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2189 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2190 for (int m = 0; m < methods()->length(); m++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2191 MethodData* mdo = methods()->at(m)->method_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2192 if (mdo != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2193 for (ProfileData* data = mdo->first_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2194 mdo->is_valid(data); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2195 data = mdo->next_data(data)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2196 data->clean_weak_klass_links(is_alive); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2197 } |
0 | 2198 } |
2199 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2200 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2201 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2202 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2203 static void remove_unshareable_in_class(Klass* k) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2204 // remove klass's unshareable info |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2205 k->remove_unshareable_info(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2206 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2207 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2208 void InstanceKlass::remove_unshareable_info() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2209 Klass::remove_unshareable_info(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2210 // Unlink the class |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2211 if (is_linked()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2212 unlink_class(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2213 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2214 init_implementor(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2215 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2216 constants()->remove_unshareable_info(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2217 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2218 for (int i = 0; i < methods()->length(); i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2219 Method* m = methods()->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2220 m->remove_unshareable_info(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2221 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2222 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2223 // do array classes also. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2224 array_klasses_do(remove_unshareable_in_class); |
0 | 2225 } |
2226 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2227 void restore_unshareable_in_class(Klass* k, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2228 k->restore_unshareable_info(CHECK); |
0 | 2229 } |
2230 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2231 void InstanceKlass::restore_unshareable_info(TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2232 Klass::restore_unshareable_info(CHECK); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2233 instanceKlassHandle ik(THREAD, this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2234 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2235 Array<Method*>* methods = ik->methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2236 int num_methods = methods->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2237 for (int index2 = 0; index2 < num_methods; ++index2) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2238 methodHandle m(THREAD, methods->at(index2)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2239 m()->link_method(m, CHECK); |
6733
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
2240 // restore method's vtable by calling a virtual function |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
2241 m->restore_vtable(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2242 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2243 if (JvmtiExport::has_redefined_a_class()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2244 // Reinitialize vtable because RedefineClasses may have changed some |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2245 // entries in this vtable for super classes so the CDS vtable might |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2246 // point to old or obsolete entries. RedefineClasses doesn't fix up |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2247 // vtables in the shared system dictionary, only the main one. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2248 // It also redefines the itable too so fix that too. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2249 ResourceMark rm(THREAD); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2250 ik->vtable()->initialize_vtable(false, CHECK); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2251 ik->itable()->initialize_itable(false, CHECK); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2252 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2253 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2254 // restore constant pool resolved references |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2255 ik->constants()->restore_unshareable_info(CHECK); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2256 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2257 ik->array_klasses_do(restore_unshareable_in_class, CHECK); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2258 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2259 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2260 static void clear_all_breakpoints(Method* m) { |
0 | 2261 m->clear_all_breakpoints(); |
2262 } | |
2263 | |
10149
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2264 |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2265 void InstanceKlass::notify_unload_class(InstanceKlass* ik) { |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2266 // notify the debugger |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2267 if (JvmtiExport::should_post_class_unload()) { |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2268 JvmtiExport::post_class_unload(ik); |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2269 } |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2270 |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2271 // notify ClassLoadingService of class unload |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2272 ClassLoadingService::notify_class_unloaded(ik); |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2273 } |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2274 |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2275 void InstanceKlass::release_C_heap_structures(InstanceKlass* ik) { |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2276 // Clean up C heap |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2277 ik->release_C_heap_structures(); |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2278 ik->constants()->release_C_heap_structures(); |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2279 } |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2280 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2281 void InstanceKlass::release_C_heap_structures() { |
10149
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2282 |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2283 // Can't release the constant pool here because the constant pool can be |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2284 // deallocated separately from the InstanceKlass for default methods and |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2285 // redefine classes. |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
2286 |
0 | 2287 // Deallocate oop map cache |
2288 if (_oop_map_cache != NULL) { | |
2289 delete _oop_map_cache; | |
2290 _oop_map_cache = NULL; | |
2291 } | |
2292 | |
2293 // Deallocate JNI identifiers for jfieldIDs | |
2294 JNIid::deallocate(jni_ids()); | |
2295 set_jni_ids(NULL); | |
2296 | |
2297 jmethodID* jmeths = methods_jmethod_ids_acquire(); | |
2298 if (jmeths != (jmethodID*)NULL) { | |
2299 release_set_methods_jmethod_ids(NULL); | |
2300 FreeHeap(jmeths); | |
2301 } | |
2302 | |
10347
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2303 // Deallocate MemberNameTable |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2304 { |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2305 Mutex* lock_or_null = SafepointSynchronize::is_at_safepoint() ? NULL : MemberNameTable_lock; |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2306 MutexLockerEx ml(lock_or_null, Mutex::_no_safepoint_check_flag); |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2307 MemberNameTable* mnt = member_names(); |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2308 if (mnt != NULL) { |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2309 delete mnt; |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2310 set_member_names(NULL); |
6c138b9851fb
8013945: CMS fatal error: must own lock MemberNameTable_lock
sspitsyn
parents:
10345
diff
changeset
|
2311 } |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2312 } |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2313 |
0 | 2314 // release dependencies |
2315 nmethodBucket* b = _dependencies; | |
2316 _dependencies = NULL; | |
2317 while (b != NULL) { | |
2318 nmethodBucket* next = b->next(); | |
2319 delete b; | |
2320 b = next; | |
2321 } | |
2322 | |
2323 // Deallocate breakpoint records | |
2324 if (breakpoints() != 0x0) { | |
2325 methods_do(clear_all_breakpoints); | |
2326 assert(breakpoints() == 0x0, "should have cleared breakpoints"); | |
2327 } | |
2328 | |
2329 // deallocate information about previous versions | |
2330 if (_previous_versions != NULL) { | |
2331 for (int i = _previous_versions->length() - 1; i >= 0; i--) { | |
2332 PreviousVersionNode * pv_node = _previous_versions->at(i); | |
2333 delete pv_node; | |
2334 } | |
2335 delete _previous_versions; | |
2336 _previous_versions = NULL; | |
2337 } | |
2338 | |
2339 // deallocate the cached class file | |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
2340 if (_cached_class_file != NULL) { |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
2341 os::free(_cached_class_file, mtClass); |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
2342 _cached_class_file = NULL; |
0 | 2343 } |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2344 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2345 // Decrement symbol reference counts associated with the unloaded class. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2346 if (_name != NULL) _name->decrement_refcount(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2347 // unreference array name derived from this class name (arrays of an unloaded |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2348 // class can't be referenced anymore). |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2349 if (_array_name != NULL) _array_name->decrement_refcount(); |
6203
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2350 if (_source_debug_extension != NULL) FREE_C_HEAP_ARRAY(char, _source_debug_extension, mtClass); |
7464
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
7180
diff
changeset
|
2351 |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
7180
diff
changeset
|
2352 assert(_total_instanceKlass_count >= 1, "Sanity check"); |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
7180
diff
changeset
|
2353 Atomic::dec(&_total_instanceKlass_count); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2354 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2355 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2356 void InstanceKlass::set_source_debug_extension(char* array, int length) { |
6203
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2357 if (array == NULL) { |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2358 _source_debug_extension = NULL; |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2359 } else { |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2360 // Adding one to the attribute length in order to store a null terminator |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2361 // character could cause an overflow because the attribute length is |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2362 // already coded with an u4 in the classfile, but in practice, it's |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2363 // unlikely to happen. |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2364 assert((length+1) > length, "Overflow checking"); |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2365 char* sde = NEW_C_HEAP_ARRAY(char, (length + 1), mtClass); |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2366 for (int i = 0; i < length; i++) { |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2367 sde[i] = array[i]; |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2368 } |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2369 sde[length] = '\0'; |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2370 _source_debug_extension = sde; |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
2371 } |
0 | 2372 } |
2373 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2374 address InstanceKlass::static_field_addr(int offset) { |
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12287
diff
changeset
|
2375 return (address)(offset + InstanceMirrorKlass::offset_of_static_fields() + cast_from_oop<intptr_t>(java_mirror())); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2376 } |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2377 |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2378 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2379 const char* InstanceKlass::signature_name() const { |
0 | 2380 const char* src = (const char*) (name()->as_C_string()); |
2381 const int src_length = (int)strlen(src); | |
2382 char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3); | |
2383 int src_index = 0; | |
2384 int dest_index = 0; | |
2385 dest[dest_index++] = 'L'; | |
2386 while (src_index < src_length) { | |
2387 dest[dest_index++] = src[src_index++]; | |
2388 } | |
2389 dest[dest_index++] = ';'; | |
2390 dest[dest_index] = '\0'; | |
2391 return dest; | |
2392 } | |
2393 | |
2394 // different verisons of is_same_class_package | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2395 bool InstanceKlass::is_same_class_package(Klass* class2) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2396 Klass* class1 = this; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2397 oop classloader1 = InstanceKlass::cast(class1)->class_loader(); |
6983 | 2398 Symbol* classname1 = class1->name(); |
2399 | |
2400 if (class2->oop_is_objArray()) { | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2401 class2 = ObjArrayKlass::cast(class2)->bottom_klass(); |
0 | 2402 } |
2403 oop classloader2; | |
6983 | 2404 if (class2->oop_is_instance()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2405 classloader2 = InstanceKlass::cast(class2)->class_loader(); |
0 | 2406 } else { |
6983 | 2407 assert(class2->oop_is_typeArray(), "should be type array"); |
0 | 2408 classloader2 = NULL; |
2409 } | |
6983 | 2410 Symbol* classname2 = class2->name(); |
0 | 2411 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2412 return InstanceKlass::is_same_class_package(classloader1, classname1, |
0 | 2413 classloader2, classname2); |
2414 } | |
2415 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2416 bool InstanceKlass::is_same_class_package(oop classloader2, Symbol* classname2) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2417 Klass* class1 = this; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2418 oop classloader1 = InstanceKlass::cast(class1)->class_loader(); |
6983 | 2419 Symbol* classname1 = class1->name(); |
0 | 2420 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2421 return InstanceKlass::is_same_class_package(classloader1, classname1, |
0 | 2422 classloader2, classname2); |
2423 } | |
2424 | |
2425 // return true if two classes are in the same package, classloader | |
2426 // and classname information is enough to determine a class's package | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2427 bool InstanceKlass::is_same_class_package(oop class_loader1, Symbol* class_name1, |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2428 oop class_loader2, Symbol* class_name2) { |
0 | 2429 if (class_loader1 != class_loader2) { |
2430 return false; | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2431 } else if (class_name1 == class_name2) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2432 return true; // skip painful bytewise comparison |
0 | 2433 } else { |
2434 ResourceMark rm; | |
2435 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2436 // The Symbol*'s are in UTF8 encoding. Since we only need to check explicitly |
0 | 2437 // for ASCII characters ('/', 'L', '['), we can keep them in UTF8 encoding. |
2438 // Otherwise, we just compare jbyte values between the strings. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2439 const jbyte *name1 = class_name1->base(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2440 const jbyte *name2 = class_name2->base(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2441 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2442 const jbyte *last_slash1 = UTF8::strrchr(name1, class_name1->utf8_length(), '/'); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2443 const jbyte *last_slash2 = UTF8::strrchr(name2, class_name2->utf8_length(), '/'); |
0 | 2444 |
2445 if ((last_slash1 == NULL) || (last_slash2 == NULL)) { | |
2446 // One of the two doesn't have a package. Only return true | |
2447 // if the other one also doesn't have a package. | |
2448 return last_slash1 == last_slash2; | |
2449 } else { | |
2450 // Skip over '['s | |
2451 if (*name1 == '[') { | |
2452 do { | |
2453 name1++; | |
2454 } while (*name1 == '['); | |
2455 if (*name1 != 'L') { | |
2456 // Something is terribly wrong. Shouldn't be here. | |
2457 return false; | |
2458 } | |
2459 } | |
2460 if (*name2 == '[') { | |
2461 do { | |
2462 name2++; | |
2463 } while (*name2 == '['); | |
2464 if (*name2 != 'L') { | |
2465 // Something is terribly wrong. Shouldn't be here. | |
2466 return false; | |
2467 } | |
2468 } | |
2469 | |
2470 // Check that package part is identical | |
2471 int length1 = last_slash1 - name1; | |
2472 int length2 = last_slash2 - name2; | |
2473 | |
2474 return UTF8::equal(name1, length1, name2, length2); | |
2475 } | |
2476 } | |
2477 } | |
2478 | |
652
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2479 // Returns true iff super_method can be overridden by a method in targetclassname |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2480 // See JSL 3rd edition 8.4.6.1 |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2481 // Assumes name-signature match |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2482 // "this" is InstanceKlass of super_method which must exist |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2483 // note that the InstanceKlass of the method in the targetclassname has not always been created yet |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2484 bool InstanceKlass::is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS) { |
652
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2485 // Private methods can not be overridden |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2486 if (super_method->is_private()) { |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2487 return false; |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2488 } |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2489 // If super method is accessible, then override |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2490 if ((super_method->is_protected()) || |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2491 (super_method->is_public())) { |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2492 return true; |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2493 } |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2494 // Package-private methods are not inherited outside of package |
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2495 assert(super_method->is_package_private(), "must be package private"); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2496 return(is_same_class_package(targetclassloader(), targetclassname)); |
652
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
605
diff
changeset
|
2497 } |
0 | 2498 |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2499 /* defined for now in jvm.cpp, for historical reasons *-- |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2500 Klass* InstanceKlass::compute_enclosing_class_impl(instanceKlassHandle self, |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2501 Symbol*& simple_name_result, TRAPS) { |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2502 ... |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2503 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2504 */ |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2505 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2506 // tell if two classes have the same enclosing class (at package level) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2507 bool InstanceKlass::is_same_package_member_impl(instanceKlassHandle class1, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2508 Klass* class2_oop, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2509 if (class2_oop == class1()) return true; |
6983 | 2510 if (!class2_oop->oop_is_instance()) return false; |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2511 instanceKlassHandle class2(THREAD, class2_oop); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2512 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2513 // must be in same package before we try anything else |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2514 if (!class1->is_same_class_package(class2->class_loader(), class2->name())) |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2515 return false; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2516 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2517 // As long as there is an outer1.getEnclosingClass, |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2518 // shift the search outward. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2519 instanceKlassHandle outer1 = class1; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2520 for (;;) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2521 // As we walk along, look for equalities between outer1 and class2. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2522 // Eventually, the walks will terminate as outer1 stops |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2523 // at the top-level class around the original class. |
1126
933a3e806ce6
6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
xlu
parents:
1039
diff
changeset
|
2524 bool ignore_inner_is_member; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2525 Klass* next = outer1->compute_enclosing_class(&ignore_inner_is_member, |
1126
933a3e806ce6
6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
xlu
parents:
1039
diff
changeset
|
2526 CHECK_false); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2527 if (next == NULL) break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2528 if (next == class2()) return true; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2529 outer1 = instanceKlassHandle(THREAD, next); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2530 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2531 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2532 // Now do the same for class2. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2533 instanceKlassHandle outer2 = class2; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2534 for (;;) { |
1126
933a3e806ce6
6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
xlu
parents:
1039
diff
changeset
|
2535 bool ignore_inner_is_member; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2536 Klass* next = outer2->compute_enclosing_class(&ignore_inner_is_member, |
1126
933a3e806ce6
6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
xlu
parents:
1039
diff
changeset
|
2537 CHECK_false); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2538 if (next == NULL) break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2539 // Might as well check the new outer against all available values. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2540 if (next == class1()) return true; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2541 if (next == outer1()) return true; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2542 outer2 = instanceKlassHandle(THREAD, next); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2543 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2544 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2545 // If by this point we have not found an equality between the |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2546 // two classes, we know they are in separate package members. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2547 return false; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2548 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2549 |
0 | 2550 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2551 jint InstanceKlass::compute_modifier_flags(TRAPS) const { |
0 | 2552 jint access = access_flags().as_int(); |
2553 | |
2554 // But check if it happens to be member class. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2555 instanceKlassHandle ik(THREAD, this); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2556 InnerClassesIterator iter(ik); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2557 for (; !iter.done(); iter.next()) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2558 int ioff = iter.inner_class_info_index(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2559 // Inner class attribute can be zero, skip it. |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2560 // Strange but true: JVM spec. allows null inner class refs. |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2561 if (ioff == 0) continue; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2562 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2563 // only look at classes that are already loaded |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2564 // since we are looking for the flags for our self. |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2565 Symbol* inner_name = ik->constants()->klass_name_at(ioff); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2566 if ((ik->name() == inner_name)) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2567 // This is really a member class. |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2568 access = iter.inner_access_flags(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4739
diff
changeset
|
2569 break; |
0 | 2570 } |
2571 } | |
2572 // Remember to strip ACC_SUPER bit | |
2573 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS; | |
2574 } | |
2575 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2576 jint InstanceKlass::jvmti_class_status() const { |
0 | 2577 jint result = 0; |
2578 | |
2579 if (is_linked()) { | |
2580 result |= JVMTI_CLASS_STATUS_VERIFIED | JVMTI_CLASS_STATUS_PREPARED; | |
2581 } | |
2582 | |
2583 if (is_initialized()) { | |
2584 assert(is_linked(), "Class status is not consistent"); | |
2585 result |= JVMTI_CLASS_STATUS_INITIALIZED; | |
2586 } | |
2587 if (is_in_error_state()) { | |
2588 result |= JVMTI_CLASS_STATUS_ERROR; | |
2589 } | |
2590 return result; | |
2591 } | |
2592 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2593 Method* InstanceKlass::method_at_itable(Klass* holder, int index, TRAPS) { |
0 | 2594 itableOffsetEntry* ioe = (itableOffsetEntry*)start_of_itable(); |
2595 int method_table_offset_in_words = ioe->offset()/wordSize; | |
2596 int nof_interfaces = (method_table_offset_in_words - itable_offset_in_words()) | |
2597 / itableOffsetEntry::size(); | |
2598 | |
2599 for (int cnt = 0 ; ; cnt ++, ioe ++) { | |
605 | 2600 // If the interface isn't implemented by the receiver class, |
0 | 2601 // the VM should throw IncompatibleClassChangeError. |
2602 if (cnt >= nof_interfaces) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2603 THROW_NULL(vmSymbols::java_lang_IncompatibleClassChangeError()); |
0 | 2604 } |
2605 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2606 Klass* ik = ioe->interface_klass(); |
0 | 2607 if (ik == holder) break; |
2608 } | |
2609 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2610 itableMethodEntry* ime = ioe->first_method_entry(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2611 Method* m = ime[index].method(); |
0 | 2612 if (m == NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2613 THROW_NULL(vmSymbols::java_lang_AbstractMethodError()); |
0 | 2614 } |
2615 return m; | |
2616 } | |
2617 | |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2618 |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2619 #if INCLUDE_JVMTI |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2620 // update default_methods for redefineclasses for methods that are |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2621 // not yet in the vtable due to concurrent subclass define and superinterface |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2622 // redefinition |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2623 // Note: those in the vtable, should have been updated via adjust_method_entries |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2624 void InstanceKlass::adjust_default_methods(Method** old_methods, Method** new_methods, |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2625 int methods_length, bool* trace_name_printed) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2626 // search the default_methods for uses of either obsolete or EMCP methods |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2627 if (default_methods() != NULL) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2628 for (int j = 0; j < methods_length; j++) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2629 Method* old_method = old_methods[j]; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2630 Method* new_method = new_methods[j]; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2631 |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2632 for (int index = 0; index < default_methods()->length(); index ++) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2633 if (default_methods()->at(index) == old_method) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2634 default_methods()->at_put(index, new_method); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2635 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2636 if (!(*trace_name_printed)) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2637 // RC_TRACE_MESG macro has an embedded ResourceMark |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2638 RC_TRACE_MESG(("adjust: klassname=%s default methods from name=%s", |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2639 external_name(), |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2640 old_method->method_holder()->external_name())); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2641 *trace_name_printed = true; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2642 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2643 RC_TRACE(0x00100000, ("default method update: %s(%s) ", |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2644 new_method->name()->as_C_string(), |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2645 new_method->signature()->as_C_string())); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2646 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2647 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2648 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2649 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2650 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2651 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2652 #endif // INCLUDE_JVMTI |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2653 |
0 | 2654 // On-stack replacement stuff |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2655 void InstanceKlass::add_osr_nmethod(nmethod* n) { |
0 | 2656 // only one compilation can be active |
2657 NEEDS_CLEANUP | |
2658 // This is a short non-blocking critical region, so the no safepoint check is ok. | |
2659 OsrList_lock->lock_without_safepoint_check(); | |
2660 assert(n->is_osr_method(), "wrong kind of nmethod"); | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
876
diff
changeset
|
2661 n->set_osr_link(osr_nmethods_head()); |
0 | 2662 set_osr_nmethods_head(n); |
1783 | 2663 // Raise the highest osr level if necessary |
2664 if (TieredCompilation) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2665 Method* m = n->method(); |
1783 | 2666 m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level())); |
2667 } | |
0 | 2668 // Remember to unlock again |
2669 OsrList_lock->unlock(); | |
1783 | 2670 |
2671 // Get rid of the osr methods for the same bci that have lower levels. | |
2672 if (TieredCompilation) { | |
2673 for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) { | |
2674 nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true); | |
2675 if (inv != NULL && inv->is_in_use()) { | |
2676 inv->make_not_entrant(); | |
2677 } | |
2678 } | |
2679 } | |
0 | 2680 } |
2681 | |
2682 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2683 void InstanceKlass::remove_osr_nmethod(nmethod* n) { |
0 | 2684 // This is a short non-blocking critical region, so the no safepoint check is ok. |
2685 OsrList_lock->lock_without_safepoint_check(); | |
2686 assert(n->is_osr_method(), "wrong kind of nmethod"); | |
2687 nmethod* last = NULL; | |
2688 nmethod* cur = osr_nmethods_head(); | |
1783 | 2689 int max_level = CompLevel_none; // Find the max comp level excluding n |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2690 Method* m = n->method(); |
0 | 2691 // Search for match |
2692 while(cur != NULL && cur != n) { | |
1783 | 2693 if (TieredCompilation) { |
2694 // Find max level before n | |
2695 max_level = MAX2(max_level, cur->comp_level()); | |
2696 } | |
0 | 2697 last = cur; |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
876
diff
changeset
|
2698 cur = cur->osr_link(); |
0 | 2699 } |
1783 | 2700 nmethod* next = NULL; |
0 | 2701 if (cur == n) { |
1783 | 2702 next = cur->osr_link(); |
0 | 2703 if (last == NULL) { |
2704 // Remove first element | |
1783 | 2705 set_osr_nmethods_head(next); |
0 | 2706 } else { |
1783 | 2707 last->set_osr_link(next); |
0 | 2708 } |
2709 } | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
876
diff
changeset
|
2710 n->set_osr_link(NULL); |
1783 | 2711 if (TieredCompilation) { |
2712 cur = next; | |
2713 while (cur != NULL) { | |
2714 // Find max level after n | |
2715 max_level = MAX2(max_level, cur->comp_level()); | |
2716 cur = cur->osr_link(); | |
2717 } | |
2718 m->set_highest_osr_comp_level(max_level); | |
2719 } | |
0 | 2720 // Remember to unlock again |
2721 OsrList_lock->unlock(); | |
2722 } | |
2723 | |
10265
92ef81e2f571
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
10152
diff
changeset
|
2724 nmethod* InstanceKlass::lookup_osr_nmethod(const Method* m, int bci, int comp_level, bool match_level) const { |
0 | 2725 // This is a short non-blocking critical region, so the no safepoint check is ok. |
2726 OsrList_lock->lock_without_safepoint_check(); | |
2727 nmethod* osr = osr_nmethods_head(); | |
1783 | 2728 nmethod* best = NULL; |
0 | 2729 while (osr != NULL) { |
2730 assert(osr->is_osr_method(), "wrong kind of nmethod found in chain"); | |
1783 | 2731 // There can be a time when a c1 osr method exists but we are waiting |
2732 // for a c2 version. When c2 completes its osr nmethod we will trash | |
2733 // the c1 version and only be able to find the c2 version. However | |
2734 // while we overflow in the c1 code at back branches we don't want to | |
2735 // try and switch to the same code as we are already running | |
2736 | |
0 | 2737 if (osr->method() == m && |
2738 (bci == InvocationEntryBci || osr->osr_entry_bci() == bci)) { | |
1783 | 2739 if (match_level) { |
2740 if (osr->comp_level() == comp_level) { | |
2741 // Found a match - return it. | |
2742 OsrList_lock->unlock(); | |
2743 return osr; | |
2744 } | |
2745 } else { | |
2746 if (best == NULL || (osr->comp_level() > best->comp_level())) { | |
2747 if (osr->comp_level() == CompLevel_highest_tier) { | |
2748 // Found the best possible - return it. | |
2749 OsrList_lock->unlock(); | |
2750 return osr; | |
2751 } | |
2752 best = osr; | |
2753 } | |
2754 } | |
0 | 2755 } |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
876
diff
changeset
|
2756 osr = osr->osr_link(); |
0 | 2757 } |
2758 OsrList_lock->unlock(); | |
1783 | 2759 if (best != NULL && best->comp_level() >= comp_level && match_level == false) { |
2760 return best; | |
2761 } | |
0 | 2762 return NULL; |
2763 } | |
2764 | |
10345
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2765 void InstanceKlass::add_member_name(int index, Handle mem_name) { |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2766 jweak mem_name_wref = JNIHandles::make_weak_global(mem_name); |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2767 MutexLocker ml(MemberNameTable_lock); |
10345
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2768 assert(0 <= index && index < idnum_allocated_count(), "index is out of bounds"); |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2769 DEBUG_ONLY(No_Safepoint_Verifier nsv); |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2770 |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2771 if (_member_names == NULL) { |
10345
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2772 _member_names = new (ResourceObj::C_HEAP, mtClass) MemberNameTable(idnum_allocated_count()); |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2773 } |
10345
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2774 _member_names->add_member_name(index, mem_name_wref); |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2775 } |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2776 |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2777 oop InstanceKlass::get_member_name(int index) { |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2778 MutexLocker ml(MemberNameTable_lock); |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2779 assert(0 <= index && index < idnum_allocated_count(), "index is out of bounds"); |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2780 DEBUG_ONLY(No_Safepoint_Verifier nsv); |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2781 |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2782 if (_member_names == NULL) { |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2783 return NULL; |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2784 } |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2785 oop mem_name =_member_names->get_member_name(index); |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
2786 return mem_name; |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2787 } |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
9062
diff
changeset
|
2788 |
0 | 2789 // ----------------------------------------------------------------------------------------------------- |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2790 // Printing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2791 |
0 | 2792 #ifndef PRODUCT |
2793 | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2794 #define BULLET " - " |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2795 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2796 static const char* state_names[] = { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2797 "allocated", "loaded", "linked", "being_initialized", "fully_initialized", "initialization_error" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2798 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2799 |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2800 static void print_vtable(intptr_t* start, int len, outputStream* st) { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2801 for (int i = 0; i < len; i++) { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2802 intptr_t e = start[i]; |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2803 st->print("%d : " INTPTR_FORMAT, i, e); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2804 if (e != 0 && ((Metadata*)e)->is_metaspace_object()) { |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2805 st->print(" "); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2806 ((Metadata*)e)->print_value_on(st); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2807 } |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2808 st->cr(); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2809 } |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2810 } |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2811 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2812 void InstanceKlass::print_on(outputStream* st) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2813 assert(is_klass(), "must be klass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2814 Klass::print_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2815 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2816 st->print(BULLET"instance size: %d", size_helper()); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2817 st->print(BULLET"klass size: %d", size()); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2818 st->print(BULLET"access: "); access_flags().print_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2819 st->print(BULLET"state: "); st->print_cr(state_names[_init_state]); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2820 st->print(BULLET"name: "); name()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2821 st->print(BULLET"super: "); super()->print_value_on_maybe_null(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2822 st->print(BULLET"sub: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2823 Klass* sub = subklass(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2824 int n; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2825 for (n = 0; sub != NULL; n++, sub = sub->next_sibling()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2826 if (n < MaxSubklassPrintSize) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2827 sub->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2828 st->print(" "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2829 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2830 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2831 if (n >= MaxSubklassPrintSize) st->print("(%d more klasses...)", n - MaxSubklassPrintSize); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2832 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2833 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2834 if (is_interface()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2835 st->print_cr(BULLET"nof implementors: %d", nof_implementors()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2836 if (nof_implementors() == 1) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2837 st->print_cr(BULLET"implementor: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2838 st->print(" "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2839 implementor()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2840 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2841 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2842 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2843 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2844 st->print(BULLET"arrays: "); array_klasses()->print_value_on_maybe_null(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2845 st->print(BULLET"methods: "); methods()->print_value_on(st); st->cr(); |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2846 if (Verbose || WizardMode) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2847 Array<Method*>* method_array = methods(); |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2848 for (int i = 0; i < method_array->length(); i++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2849 st->print("%d : ", i); method_array->at(i)->print_value(); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2850 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2851 } |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2852 st->print(BULLET"method ordering: "); method_ordering()->print_value_on(st); st->cr(); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2853 st->print(BULLET"default_methods: "); default_methods()->print_value_on(st); st->cr(); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2854 if (Verbose && default_methods() != NULL) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2855 Array<Method*>* method_array = default_methods(); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2856 for (int i = 0; i < method_array->length(); i++) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2857 st->print("%d : ", i); method_array->at(i)->print_value(); st->cr(); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2858 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2859 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2860 if (default_vtable_indices() != NULL) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2861 st->print(BULLET"default vtable indices: "); default_vtable_indices()->print_value_on(st); st->cr(); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
2862 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2863 st->print(BULLET"local interfaces: "); local_interfaces()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2864 st->print(BULLET"trans. interfaces: "); transitive_interfaces()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2865 st->print(BULLET"constants: "); constants()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2866 if (class_loader_data() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2867 st->print(BULLET"class loader data: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2868 class_loader_data()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2869 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2870 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2871 st->print(BULLET"host class: "); host_klass()->print_value_on_maybe_null(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2872 if (source_file_name() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2873 st->print(BULLET"source file: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2874 source_file_name()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2875 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2876 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2877 if (source_debug_extension() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2878 st->print(BULLET"source debug extension: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2879 st->print("%s", source_debug_extension()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2880 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2881 } |
8031 | 2882 st->print(BULLET"class annotations: "); class_annotations()->print_value_on(st); st->cr(); |
2883 st->print(BULLET"class type annotations: "); class_type_annotations()->print_value_on(st); st->cr(); | |
2884 st->print(BULLET"field annotations: "); fields_annotations()->print_value_on(st); st->cr(); | |
2885 st->print(BULLET"field type annotations: "); fields_type_annotations()->print_value_on(st); st->cr(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2886 { |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2887 bool have_pv = false; |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2888 PreviousVersionWalker pvw(Thread::current(), (InstanceKlass*)this); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2889 for (PreviousVersionNode * pv_node = pvw.next_previous_version(); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2890 pv_node != NULL; pv_node = pvw.next_previous_version()) { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2891 if (!have_pv) |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2892 st->print(BULLET"previous version: "); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2893 have_pv = true; |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2894 pv_node->prev_constant_pool()->print_value_on(st); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2895 } |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2896 if (have_pv) st->cr(); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
2897 } // pvw is cleaned up |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2898 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2899 if (generic_signature() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2900 st->print(BULLET"generic signature: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2901 generic_signature()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2902 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2903 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2904 st->print(BULLET"inner classes: "); inner_classes()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2905 st->print(BULLET"java mirror: "); java_mirror()->print_value_on(st); st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2906 st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", vtable_length(), start_of_vtable()); st->cr(); |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2907 if (vtable_length() > 0 && (Verbose || WizardMode)) print_vtable(start_of_vtable(), vtable_length(), st); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2908 st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", itable_length(), start_of_itable()); st->cr(); |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2909 if (itable_length() > 0 && (Verbose || WizardMode)) print_vtable(start_of_itable(), itable_length(), st); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2910 st->print_cr(BULLET"---- static fields (%d words):", static_field_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2911 FieldPrinter print_static_field(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2912 ((InstanceKlass*)this)->do_local_static_fields(&print_static_field); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2913 st->print_cr(BULLET"---- non-static fields (%d words):", nonstatic_field_size()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2914 FieldPrinter print_nonstatic_field(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2915 ((InstanceKlass*)this)->do_nonstatic_fields(&print_nonstatic_field); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2916 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2917 st->print(BULLET"non-static oop maps: "); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2918 OopMapBlock* map = start_of_nonstatic_oop_maps(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2919 OopMapBlock* end_map = map + nonstatic_oop_map_count(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2920 while (map < end_map) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2921 st->print("%d-%d ", map->offset(), map->offset() + heapOopSize*(map->count() - 1)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2922 map++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2923 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2924 st->cr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2925 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2926 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2927 #endif //PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2928 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2929 void InstanceKlass::print_value_on(outputStream* st) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2930 assert(is_klass(), "must be klass"); |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12067
diff
changeset
|
2931 if (Verbose || WizardMode) access_flags().print_on(st); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2932 name()->print_value_on(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2933 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2934 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2935 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2936 |
0 | 2937 void FieldPrinter::do_field(fieldDescriptor* fd) { |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2938 _st->print(BULLET); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2939 if (_obj == NULL) { |
0 | 2940 fd->print_on(_st); |
2941 _st->cr(); | |
2942 } else { | |
2943 fd->print_on_for(_st, _obj); | |
2944 _st->cr(); | |
2945 } | |
2946 } | |
2947 | |
2948 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2949 void InstanceKlass::oop_print_on(oop obj, outputStream* st) { |
0 | 2950 Klass::oop_print_on(obj, st); |
2951 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2952 if (this == SystemDictionary::String_klass()) { |
0 | 2953 typeArrayOop value = java_lang_String::value(obj); |
2954 juint offset = java_lang_String::offset(obj); | |
2955 juint length = java_lang_String::length(obj); | |
2956 if (value != NULL && | |
2957 value->is_typeArray() && | |
2958 offset <= (juint) value->length() && | |
2959 offset + length <= (juint) value->length()) { | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2960 st->print(BULLET"string: "); |
0 | 2961 Handle h_obj(obj); |
2962 java_lang_String::print(h_obj, st); | |
2963 st->cr(); | |
2964 if (!WizardMode) return; // that is enough | |
2965 } | |
2966 } | |
2967 | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2968 st->print_cr(BULLET"---- fields (total size %d words):", oop_size(obj)); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2969 FieldPrinter print_field(st, obj); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2970 do_nonstatic_fields(&print_field); |
0 | 2971 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2972 if (this == SystemDictionary::Class_klass()) { |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2973 st->print(BULLET"signature: "); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2974 java_lang_Class::print_signature(obj, st); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2975 st->cr(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2976 Klass* mirrored_klass = java_lang_Class::as_Klass(obj); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2977 st->print(BULLET"fake entry for mirror: "); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2978 mirrored_klass->print_value_on_maybe_null(st); |
0 | 2979 st->cr(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2980 Klass* array_klass = java_lang_Class::array_klass(obj); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
2981 st->print(BULLET"fake entry for array: "); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2982 array_klass->print_value_on_maybe_null(st); |
0 | 2983 st->cr(); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2984 st->print_cr(BULLET"fake entry for oop_size: %d", java_lang_Class::oop_size(obj)); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2985 st->print_cr(BULLET"fake entry for static_oop_field_count: %d", java_lang_Class::static_oop_field_count(obj)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2986 Klass* real_klass = java_lang_Class::as_Klass(obj); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2987 if (real_klass != NULL && real_klass->oop_is_instance()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2988 InstanceKlass::cast(real_klass)->do_local_static_fields(&print_field); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2989 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2990 } else if (this == SystemDictionary::MethodType_klass()) { |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
997
diff
changeset
|
2991 st->print(BULLET"signature: "); |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2334
diff
changeset
|
2992 java_lang_invoke_MethodType::print_signature(obj, st); |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
997
diff
changeset
|
2993 st->cr(); |
0 | 2994 } |
2995 } | |
2996 | |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1144
diff
changeset
|
2997 #endif //PRODUCT |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1144
diff
changeset
|
2998 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2999 void InstanceKlass::oop_print_value_on(oop obj, outputStream* st) { |
0 | 3000 st->print("a "); |
3001 name()->print_value_on(st); | |
3002 obj->print_address_on(st); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3003 if (this == SystemDictionary::String_klass() |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3004 && java_lang_String::value(obj) != NULL) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3005 ResourceMark rm; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3006 int len = java_lang_String::length(obj); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3007 int plen = (len < 24 ? len : 12); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3008 char* str = java_lang_String::as_utf8_string(obj, 0, plen); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3009 st->print(" = \"%s\"", str); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3010 if (len > plen) |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3011 st->print("...[%d]", len); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3012 } else if (this == SystemDictionary::Class_klass()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3013 Klass* k = java_lang_Class::as_Klass(obj); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3014 st->print(" = "); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3015 if (k != NULL) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3016 k->print_value_on(st); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3017 } else { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3018 const char* tname = type2name(java_lang_Class::primitive_type(obj)); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3019 st->print("%s", tname ? tname : "type?"); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3020 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3021 } else if (this == SystemDictionary::MethodType_klass()) { |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
997
diff
changeset
|
3022 st->print(" = "); |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2334
diff
changeset
|
3023 java_lang_invoke_MethodType::print_signature(obj, st); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3024 } else if (java_lang_boxing_object::is_instance(obj)) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3025 st->print(" = "); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3026 java_lang_boxing_object::print(obj, st); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3027 } else if (this == SystemDictionary::LambdaForm_klass()) { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3028 oop vmentry = java_lang_invoke_LambdaForm::vmentry(obj); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3029 if (vmentry != NULL) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3030 st->print(" => "); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3031 vmentry->print_value_on(st); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3032 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3033 } else if (this == SystemDictionary::MemberName_klass()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3034 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(obj); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3035 if (vmtarget != NULL) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3036 st->print(" = "); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3037 vmtarget->print_value_on(st); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3038 } else { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3039 java_lang_invoke_MemberName::clazz(obj)->print_value_on(st); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3040 st->print("."); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3041 java_lang_invoke_MemberName::name(obj)->print_value_on(st); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6203
diff
changeset
|
3042 } |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
605
diff
changeset
|
3043 } |
0 | 3044 } |
3045 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3046 const char* InstanceKlass::internal_name() const { |
0 | 3047 return external_name(); |
3048 } | |
3049 | |
7956 | 3050 #if INCLUDE_SERVICES |
3051 // Size Statistics | |
3052 void InstanceKlass::collect_statistics(KlassSizeStats *sz) const { | |
3053 Klass::collect_statistics(sz); | |
3054 | |
3055 sz->_inst_size = HeapWordSize * size_helper(); | |
3056 sz->_vtab_bytes = HeapWordSize * align_object_offset(vtable_length()); | |
3057 sz->_itab_bytes = HeapWordSize * align_object_offset(itable_length()); | |
3058 sz->_nonstatic_oopmap_bytes = HeapWordSize * | |
3059 ((is_interface() || is_anonymous()) ? | |
3060 align_object_offset(nonstatic_oop_map_size()) : | |
3061 nonstatic_oop_map_size()); | |
3062 | |
3063 int n = 0; | |
3064 n += (sz->_methods_array_bytes = sz->count_array(methods())); | |
3065 n += (sz->_method_ordering_bytes = sz->count_array(method_ordering())); | |
3066 n += (sz->_local_interfaces_bytes = sz->count_array(local_interfaces())); | |
3067 n += (sz->_transitive_interfaces_bytes = sz->count_array(transitive_interfaces())); | |
3068 n += (sz->_fields_bytes = sz->count_array(fields())); | |
3069 n += (sz->_inner_classes_bytes = sz->count_array(inner_classes())); | |
3070 sz->_ro_bytes += n; | |
3071 | |
3072 const ConstantPool* cp = constants(); | |
3073 if (cp) { | |
3074 cp->collect_statistics(sz); | |
3075 } | |
3076 | |
3077 const Annotations* anno = annotations(); | |
3078 if (anno) { | |
3079 anno->collect_statistics(sz); | |
3080 } | |
3081 | |
3082 const Array<Method*>* methods_array = methods(); | |
3083 if (methods()) { | |
3084 for (int i = 0; i < methods_array->length(); i++) { | |
3085 Method* method = methods_array->at(i); | |
3086 if (method) { | |
3087 sz->_method_count ++; | |
3088 method->collect_statistics(sz); | |
3089 } | |
3090 } | |
3091 } | |
3092 } | |
3093 #endif // INCLUDE_SERVICES | |
3094 | |
0 | 3095 // Verification |
3096 | |
3097 class VerifyFieldClosure: public OopClosure { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3098 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3099 template <class T> void do_oop_work(T* p) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3100 oop obj = oopDesc::load_decode_heap_oop(p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3101 if (!obj->is_oop_or_null()) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3102 tty->print_cr("Failed: " PTR_FORMAT " -> " PTR_FORMAT, p, (address)obj); |
0 | 3103 Universe::print(); |
3104 guarantee(false, "boom"); | |
3105 } | |
3106 } | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3107 public: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3108 virtual void do_oop(oop* p) { VerifyFieldClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3109 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); } |
0 | 3110 }; |
3111 | |
11034 | 3112 void InstanceKlass::verify_on(outputStream* st, bool check_dictionary) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3113 #ifndef PRODUCT |
11034 | 3114 // Avoid redundant verifies, this really should be in product. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3115 if (_verify_count == Universe::verify_count()) return; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3116 _verify_count = Universe::verify_count(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3117 #endif |
11034 | 3118 |
3119 // Verify Klass | |
3120 Klass::verify_on(st, check_dictionary); | |
3121 | |
3122 // Verify that klass is present in SystemDictionary if not already | |
3123 // verifying the SystemDictionary. | |
3124 if (is_loaded() && !is_anonymous() && check_dictionary) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3125 Symbol* h_name = name(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3126 SystemDictionary::verify_obj_klass_present(h_name, class_loader_data()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3127 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3128 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3129 // Verify vtables |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3130 if (is_linked()) { |
11034 | 3131 ResourceMark rm; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3132 // $$$ This used to be done only for m/s collections. Doing it |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3133 // always seemed a valid generalization. (DLD -- 6/00) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3134 vtable()->verify(st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3135 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3136 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3137 // Verify first subklass |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3138 if (subklass_oop() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3139 guarantee(subklass_oop()->is_klass(), "should be klass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3140 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3141 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3142 // Verify siblings |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3143 Klass* super = this->super(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3144 Klass* sib = next_sibling(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3145 if (sib != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3146 if (sib == this) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3147 fatal(err_msg("subclass points to itself " PTR_FORMAT, sib)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3148 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3149 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3150 guarantee(sib->is_klass(), "should be klass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3151 guarantee(sib->super() == super, "siblings should have same superklass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3152 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3153 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3154 // Verify implementor fields |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3155 Klass* im = implementor(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3156 if (im != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3157 guarantee(is_interface(), "only interfaces should have implementor set"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3158 guarantee(im->is_klass(), "should be klass"); |
6983 | 3159 guarantee(!im->is_interface() || im == this, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3160 "implementors cannot be interfaces"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3161 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3162 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3163 // Verify local interfaces |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3164 if (local_interfaces()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3165 Array<Klass*>* local_interfaces = this->local_interfaces(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3166 for (int j = 0; j < local_interfaces->length(); j++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3167 Klass* e = local_interfaces->at(j); |
6983 | 3168 guarantee(e->is_klass() && e->is_interface(), "invalid local interface"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3169 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3170 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3171 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3172 // Verify transitive interfaces |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3173 if (transitive_interfaces() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3174 Array<Klass*>* transitive_interfaces = this->transitive_interfaces(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3175 for (int j = 0; j < transitive_interfaces->length(); j++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3176 Klass* e = transitive_interfaces->at(j); |
6983 | 3177 guarantee(e->is_klass() && e->is_interface(), "invalid transitive interface"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3178 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3179 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3180 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3181 // Verify methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3182 if (methods() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3183 Array<Method*>* methods = this->methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3184 for (int j = 0; j < methods->length(); j++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3185 guarantee(methods->at(j)->is_method(), "non-method in methods array"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3186 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3187 for (int j = 0; j < methods->length() - 1; j++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3188 Method* m1 = methods->at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3189 Method* m2 = methods->at(j + 1); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3190 guarantee(m1->name()->fast_compare(m2->name()) <= 0, "methods not sorted correctly"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3191 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3192 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3193 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3194 // Verify method ordering |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3195 if (method_ordering() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3196 Array<int>* method_ordering = this->method_ordering(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3197 int length = method_ordering->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3198 if (JvmtiExport::can_maintain_original_method_order() || |
9057
8554c55669b0
8010943: guarantee(length == 0) failed: invalid method ordering length
hseigel
parents:
8719
diff
changeset
|
3199 ((UseSharedSpaces || DumpSharedSpaces) && length != 0)) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3200 guarantee(length == methods()->length(), "invalid method ordering length"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3201 jlong sum = 0; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3202 for (int j = 0; j < length; j++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3203 int original_index = method_ordering->at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3204 guarantee(original_index >= 0, "invalid method ordering index"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3205 guarantee(original_index < length, "invalid method ordering index"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3206 sum += original_index; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3207 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3208 // Verify sum of indices 0,1,...,length-1 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3209 guarantee(sum == ((jlong)length*(length-1))/2, "invalid method ordering sum"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3210 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3211 guarantee(length == 0, "invalid method ordering length"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3212 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3213 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3214 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3215 // Verify default methods |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3216 if (default_methods() != NULL) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3217 Array<Method*>* methods = this->default_methods(); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3218 for (int j = 0; j < methods->length(); j++) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3219 guarantee(methods->at(j)->is_method(), "non-method in methods array"); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3220 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3221 for (int j = 0; j < methods->length() - 1; j++) { |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3222 Method* m1 = methods->at(j); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3223 Method* m2 = methods->at(j + 1); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3224 guarantee(m1->name()->fast_compare(m2->name()) <= 0, "methods not sorted correctly"); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3225 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3226 } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
3227 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3228 // Verify JNI static field identifiers |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3229 if (jni_ids() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3230 jni_ids()->verify(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3231 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3232 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3233 // Verify other fields |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3234 if (array_klasses() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3235 guarantee(array_klasses()->is_klass(), "should be klass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3236 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3237 if (constants() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3238 guarantee(constants()->is_constantPool(), "should be constant pool"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3239 } |
8693
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
3240 const Klass* host = host_klass(); |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
3241 if (host != NULL) { |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
3242 guarantee(host->is_klass(), "should be klass"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3243 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3244 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3245 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3246 void InstanceKlass::oop_verify_on(oop obj, outputStream* st) { |
0 | 3247 Klass::oop_verify_on(obj, st); |
3248 VerifyFieldClosure blk; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3249 obj->oop_iterate_no_header(&blk); |
0 | 3250 } |
3251 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3252 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3253 // JNIid class for jfieldIDs only |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3254 // Note to reviewers: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3255 // These JNI functions are just moved over to column 1 and not changed |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3256 // in the compressed oops workspace. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3257 JNIid::JNIid(Klass* holder, int offset, JNIid* next) { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3258 _holder = holder; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3259 _offset = offset; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3260 _next = next; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3261 debug_only(_is_static_field_id = false;) |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3262 } |
0 | 3263 |
3264 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3265 JNIid* JNIid::find(int offset) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3266 JNIid* current = this; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3267 while (current != NULL) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3268 if (current->offset() == offset) return current; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3269 current = current->next(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3270 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3271 return NULL; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3272 } |
0 | 3273 |
3274 void JNIid::deallocate(JNIid* current) { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3275 while (current != NULL) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3276 JNIid* next = current->next(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3277 delete current; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3278 current = next; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3279 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3280 } |
0 | 3281 |
3282 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3283 void JNIid::verify(Klass* holder) { |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6733
diff
changeset
|
3284 int first_field_offset = InstanceMirrorKlass::offset_of_static_fields(); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3285 int end_field_offset; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3286 end_field_offset = first_field_offset + (InstanceKlass::cast(holder)->static_field_size() * wordSize); |
0 | 3287 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3288 JNIid* current = this; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3289 while (current != NULL) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3290 guarantee(current->holder() == holder, "Invalid klass in JNIid"); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3291 #ifdef ASSERT |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3292 int o = current->offset(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3293 if (current->is_static_field_id()) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3294 guarantee(o >= first_field_offset && o < end_field_offset, "Invalid static field offset in JNIid"); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3295 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3296 #endif |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3297 current = current->next(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3298 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3299 } |
0 | 3300 |
3301 | |
3302 #ifdef ASSERT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3303 void InstanceKlass::set_init_state(ClassState state) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3304 bool good_state = is_shared() ? (_init_state <= state) |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3305 : (_init_state < state); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3306 assert(good_state || state == allocated, "illegal state transition"); |
4739
52b5d32fbfaf
7117052: instanceKlass::_init_state can be u1 type
coleenp
parents:
4006
diff
changeset
|
3307 _init_state = (u1)state; |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3308 } |
0 | 3309 #endif |
3310 | |
3311 | |
3312 // RedefineClasses() support for previous versions: | |
3313 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3314 // Purge previous versions |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3315 static void purge_previous_versions_internal(InstanceKlass* ik, int emcp_method_count) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3316 if (ik->previous_versions() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3317 // This klass has previous versions so see what we can cleanup |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3318 // while it is safe to do so. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3319 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3320 int deleted_count = 0; // leave debugging breadcrumbs |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3321 int live_count = 0; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3322 ClassLoaderData* loader_data = ik->class_loader_data() == NULL ? |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3323 ClassLoaderData::the_null_class_loader_data() : |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3324 ik->class_loader_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3325 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3326 // RC_TRACE macro has an embedded ResourceMark |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3327 RC_TRACE(0x00000200, ("purge: %s: previous version length=%d", |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3328 ik->external_name(), ik->previous_versions()->length())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3329 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3330 for (int i = ik->previous_versions()->length() - 1; i >= 0; i--) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3331 // check the previous versions array |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3332 PreviousVersionNode * pv_node = ik->previous_versions()->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3333 ConstantPool* cp_ref = pv_node->prev_constant_pool(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3334 assert(cp_ref != NULL, "cp ref was unexpectedly cleared"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3335 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3336 ConstantPool* pvcp = cp_ref; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3337 if (!pvcp->on_stack()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3338 // If the constant pool isn't on stack, none of the methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3339 // are executing. Delete all the methods, the constant pool and |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3340 // and this previous version node. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3341 GrowableArray<Method*>* method_refs = pv_node->prev_EMCP_methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3342 if (method_refs != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3343 for (int j = method_refs->length() - 1; j >= 0; j--) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3344 Method* method = method_refs->at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3345 assert(method != NULL, "method ref was unexpectedly cleared"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3346 method_refs->remove_at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3347 // method will be freed with associated class. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3348 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3349 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3350 // Remove the constant pool |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3351 delete pv_node; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3352 // Since we are traversing the array backwards, we don't have to |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3353 // do anything special with the index. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3354 ik->previous_versions()->remove_at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3355 deleted_count++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3356 continue; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3357 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3358 RC_TRACE(0x00000200, ("purge: previous version @%d is alive", i)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3359 assert(pvcp->pool_holder() != NULL, "Constant pool with no holder"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3360 guarantee (!loader_data->is_unloading(), "unloaded classes can't be on the stack"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3361 live_count++; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3362 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3363 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3364 // At least one method is live in this previous version, clean out |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3365 // the others or mark them as obsolete. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3366 GrowableArray<Method*>* method_refs = pv_node->prev_EMCP_methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3367 if (method_refs != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3368 RC_TRACE(0x00000200, ("purge: previous methods length=%d", |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3369 method_refs->length())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3370 for (int j = method_refs->length() - 1; j >= 0; j--) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3371 Method* method = method_refs->at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3372 assert(method != NULL, "method ref was unexpectedly cleared"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3373 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3374 // Remove the emcp method if it's not executing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3375 // If it's been made obsolete by a redefinition of a non-emcp |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3376 // method, mark it as obsolete but leave it to clean up later. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3377 if (!method->on_stack()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3378 method_refs->remove_at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3379 } else if (emcp_method_count == 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3380 method->set_is_obsolete(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3381 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3382 // RC_TRACE macro has an embedded ResourceMark |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3383 RC_TRACE(0x00000200, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3384 ("purge: %s(%s): prev method @%d in version @%d is alive", |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3385 method->name()->as_C_string(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3386 method->signature()->as_C_string(), j, i)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3387 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3388 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3389 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3390 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3391 assert(ik->previous_versions()->length() == live_count, "sanity check"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3392 RC_TRACE(0x00000200, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3393 ("purge: previous version stats: live=%d, deleted=%d", live_count, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3394 deleted_count)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3395 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3396 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3397 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3398 // External interface for use during class unloading. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3399 void InstanceKlass::purge_previous_versions(InstanceKlass* ik) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3400 // Call with >0 emcp methods since they are not currently being redefined. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3401 purge_previous_versions_internal(ik, 1); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3402 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3403 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3404 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3405 // Potentially add an information node that contains pointers to the |
0 | 3406 // interesting parts of the previous version of the_class. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3407 // This is also where we clean out any unused references. |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
3408 // Note that while we delete nodes from the _previous_versions |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
3409 // array, we never delete the array itself until the klass is |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
3410 // unloaded. The has_been_redefined() query depends on that fact. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
974
diff
changeset
|
3411 // |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3412 void InstanceKlass::add_previous_version(instanceKlassHandle ikh, |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3413 BitMap* emcp_methods, int emcp_method_count) { |
0 | 3414 assert(Thread::current()->is_VM_thread(), |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
52
diff
changeset
|
3415 "only VMThread can add previous versions"); |
0 | 3416 |
3417 if (_previous_versions == NULL) { | |
3418 // This is the first previous version so make some space. | |
3419 // Start with 2 elements under the assumption that the class | |
3420 // won't be redefined much. | |
6197 | 3421 _previous_versions = new (ResourceObj::C_HEAP, mtClass) |
0 | 3422 GrowableArray<PreviousVersionNode *>(2, true); |
3423 } | |
3424 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3425 ConstantPool* cp_ref = ikh->constants(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3426 |
0 | 3427 // RC_TRACE macro has an embedded ResourceMark |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3428 RC_TRACE(0x00000400, ("adding previous version ref for %s @%d, EMCP_cnt=%d " |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3429 "on_stack=%d", |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3430 ikh->external_name(), _previous_versions->length(), emcp_method_count, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3431 cp_ref->on_stack())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3432 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3433 // If the constant pool for this previous version of the class |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3434 // is not marked as being on the stack, then none of the methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3435 // in this previous version of the class are on the stack so |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3436 // we don't need to create a new PreviousVersionNode. However, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3437 // we still need to examine older previous versions below. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3438 Array<Method*>* old_methods = ikh->methods(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3439 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3440 if (cp_ref->on_stack()) { |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3441 PreviousVersionNode * pv_node = NULL; |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3442 if (emcp_method_count == 0) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3443 // non-shared ConstantPool gets a reference |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3444 pv_node = new PreviousVersionNode(cp_ref, NULL); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3445 RC_TRACE(0x00000400, |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3446 ("add: all methods are obsolete; flushing any EMCP refs")); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3447 } else { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3448 int local_count = 0; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3449 GrowableArray<Method*>* method_refs = new (ResourceObj::C_HEAP, mtClass) |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3450 GrowableArray<Method*>(emcp_method_count, true); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3451 for (int i = 0; i < old_methods->length(); i++) { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3452 if (emcp_methods->at(i)) { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3453 // this old method is EMCP. Save it only if it's on the stack |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3454 Method* old_method = old_methods->at(i); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3455 if (old_method->on_stack()) { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3456 method_refs->append(old_method); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3457 } |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3458 if (++local_count >= emcp_method_count) { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3459 // no more EMCP methods so bail out now |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3460 break; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3461 } |
0 | 3462 } |
3463 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3464 // non-shared ConstantPool gets a reference |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3465 pv_node = new PreviousVersionNode(cp_ref, method_refs); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3466 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3467 // append new previous version. |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3468 _previous_versions->append(pv_node); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3469 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3470 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3471 // Since the caller is the VMThread and we are at a safepoint, this |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3472 // is a good time to clear out unused references. |
0 | 3473 |
3474 RC_TRACE(0x00000400, ("add: previous version length=%d", | |
3475 _previous_versions->length())); | |
3476 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3477 // Purge previous versions not executing on the stack |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3478 purge_previous_versions_internal(this, emcp_method_count); |
0 | 3479 |
3480 int obsolete_method_count = old_methods->length() - emcp_method_count; | |
3481 | |
3482 if (emcp_method_count != 0 && obsolete_method_count != 0 && | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3483 _previous_versions->length() > 0) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3484 // We have a mix of obsolete and EMCP methods so we have to |
0 | 3485 // clear out any matching EMCP method entries the hard way. |
3486 int local_count = 0; | |
3487 for (int i = 0; i < old_methods->length(); i++) { | |
3488 if (!emcp_methods->at(i)) { | |
3489 // only obsolete methods are interesting | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3490 Method* old_method = old_methods->at(i); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
3491 Symbol* m_name = old_method->name(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
3492 Symbol* m_signature = old_method->signature(); |
0 | 3493 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3494 // we might not have added the last entry |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3495 for (int j = _previous_versions->length() - 1; j >= 0; j--) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3496 // check the previous versions array for non executing obsolete methods |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3497 PreviousVersionNode * pv_node = _previous_versions->at(j); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3498 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3499 GrowableArray<Method*>* method_refs = pv_node->prev_EMCP_methods(); |
0 | 3500 if (method_refs == NULL) { |
3501 // We have run into a PreviousVersion generation where | |
3502 // all methods were made obsolete during that generation's | |
3503 // RedefineClasses() operation. At the time of that | |
3504 // operation, all EMCP methods were flushed so we don't | |
3505 // have to go back any further. | |
3506 // | |
3507 // A NULL method_refs is different than an empty method_refs. | |
3508 // We cannot infer any optimizations about older generations | |
3509 // from an empty method_refs for the current generation. | |
3510 break; | |
3511 } | |
3512 | |
3513 for (int k = method_refs->length() - 1; k >= 0; k--) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3514 Method* method = method_refs->at(k); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3515 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3516 if (!method->is_obsolete() && |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3517 method->name() == m_name && |
0 | 3518 method->signature() == m_signature) { |
3519 // The current RedefineClasses() call has made all EMCP | |
3520 // versions of this method obsolete so mark it as obsolete | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3521 // and remove the reference. |
0 | 3522 RC_TRACE(0x00000400, |
3523 ("add: %s(%s): flush obsolete method @%d in version @%d", | |
3524 m_name->as_C_string(), m_signature->as_C_string(), k, j)); | |
3525 | |
3526 method->set_is_obsolete(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3527 // Leave obsolete methods on the previous version list to |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3528 // clean up later. |
0 | 3529 break; |
3530 } | |
3531 } | |
3532 | |
3533 // The previous loop may not find a matching EMCP method, but | |
3534 // that doesn't mean that we can optimize and not go any | |
3535 // further back in the PreviousVersion generations. The EMCP | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3536 // method for this generation could have already been deleted, |
0 | 3537 // but there still may be an older EMCP method that has not |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3538 // been deleted. |
0 | 3539 } |
3540 | |
3541 if (++local_count >= obsolete_method_count) { | |
3542 // no more obsolete methods so bail out now | |
3543 break; | |
3544 } | |
3545 } | |
3546 } | |
3547 } | |
3548 } // end add_previous_version() | |
3549 | |
3550 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3551 // Determine if InstanceKlass has a previous version. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3552 bool InstanceKlass::has_previous_version() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3553 return (_previous_versions != NULL && _previous_versions->length() > 0); |
0 | 3554 } // end has_previous_version() |
3555 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3556 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3557 Method* InstanceKlass::method_with_idnum(int idnum) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3558 Method* m = NULL; |
0 | 3559 if (idnum < methods()->length()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3560 m = methods()->at(idnum); |
0 | 3561 } |
3562 if (m == NULL || m->method_idnum() != idnum) { | |
3563 for (int index = 0; index < methods()->length(); ++index) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3564 m = methods()->at(index); |
0 | 3565 if (m->method_idnum() == idnum) { |
3566 return m; | |
3567 } | |
3568 } | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3569 // None found, return null for the caller to handle. |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3570 return NULL; |
0 | 3571 } |
3572 return m; | |
3573 } | |
3574 | |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3575 jint InstanceKlass::get_cached_class_file_len() { |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3576 return VM_RedefineClasses::get_cached_class_file_len(_cached_class_file); |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3577 } |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3578 |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3579 unsigned char * InstanceKlass::get_cached_class_file_bytes() { |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3580 return VM_RedefineClasses::get_cached_class_file_bytes(_cached_class_file); |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3581 } |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
3582 |
0 | 3583 |
3584 // Construct a PreviousVersionNode entry for the array hung off | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3585 // the InstanceKlass. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3586 PreviousVersionNode::PreviousVersionNode(ConstantPool* prev_constant_pool, |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3587 GrowableArray<Method*>* prev_EMCP_methods) { |
0 | 3588 |
3589 _prev_constant_pool = prev_constant_pool; | |
3590 _prev_EMCP_methods = prev_EMCP_methods; | |
3591 } | |
3592 | |
3593 | |
3594 // Destroy a PreviousVersionNode | |
3595 PreviousVersionNode::~PreviousVersionNode() { | |
3596 if (_prev_constant_pool != NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3597 _prev_constant_pool = NULL; |
0 | 3598 } |
3599 | |
3600 if (_prev_EMCP_methods != NULL) { | |
3601 delete _prev_EMCP_methods; | |
3602 } | |
3603 } | |
3604 | |
3605 // Construct a helper for walking the previous versions array | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3606 PreviousVersionWalker::PreviousVersionWalker(Thread* thread, InstanceKlass *ik) { |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3607 _thread = thread; |
0 | 3608 _previous_versions = ik->previous_versions(); |
3609 _current_index = 0; | |
3610 _current_p = NULL; | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3611 _current_constant_pool_handle = constantPoolHandle(thread, ik->constants()); |
0 | 3612 } |
3613 | |
3614 | |
3615 // Return the interesting information for the next previous version | |
3616 // of the klass. Returns NULL if there are no more previous versions. | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3617 PreviousVersionNode* PreviousVersionWalker::next_previous_version() { |
0 | 3618 if (_previous_versions == NULL) { |
3619 // no previous versions so nothing to return | |
3620 return NULL; | |
3621 } | |
3622 | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3623 _current_p = NULL; // reset to NULL |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3624 _current_constant_pool_handle = NULL; |
0 | 3625 |
3626 int length = _previous_versions->length(); | |
3627 | |
3628 while (_current_index < length) { | |
3629 PreviousVersionNode * pv_node = _previous_versions->at(_current_index++); | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3630 |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3631 // Save a handle to the constant pool for this previous version, |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3632 // which keeps all the methods from being deallocated. |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3633 _current_constant_pool_handle = constantPoolHandle(_thread, pv_node->prev_constant_pool()); |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3634 _current_p = pv_node; |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
3635 return pv_node; |
0 | 3636 } |
3637 | |
3638 return NULL; | |
3639 } // end next_previous_version() |