Mercurial > hg > truffle
annotate src/share/vm/oops/instanceKlassKlass.cpp @ 3241:6c9cec219ce4
7005865: Crash when running with PrintIRWithLIR
Summary: the failure is caused by uninitialized bci number
Reviewed-by: iveresov
author | vladidan |
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date | Mon, 11 Apr 2011 23:02:37 -0400 |
parents | c7f3d0b4570f |
children | ed69575596ac |
rev | line source |
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0 | 1 /* |
2227 | 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/javaClasses.hpp" | |
27 #include "classfile/systemDictionary.hpp" | |
28 #include "gc_implementation/shared/markSweep.inline.hpp" | |
29 #include "gc_interface/collectedHeap.inline.hpp" | |
30 #include "interpreter/oopMapCache.hpp" | |
31 #include "memory/gcLocker.hpp" | |
32 #include "oops/constantPoolOop.hpp" | |
33 #include "oops/instanceKlass.hpp" | |
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34 #include "oops/instanceMirrorKlass.hpp" |
1972 | 35 #include "oops/instanceKlassKlass.hpp" |
36 #include "oops/instanceRefKlass.hpp" | |
37 #include "oops/objArrayKlassKlass.hpp" | |
38 #include "oops/objArrayOop.hpp" | |
39 #include "oops/oop.inline.hpp" | |
40 #include "oops/oop.inline2.hpp" | |
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41 #include "oops/symbol.hpp" |
1972 | 42 #include "oops/typeArrayOop.hpp" |
43 #include "prims/jvmtiExport.hpp" | |
44 #include "runtime/fieldDescriptor.hpp" | |
45 #ifndef SERIALGC | |
46 #include "gc_implementation/parNew/parOopClosures.inline.hpp" | |
47 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" | |
48 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
49 #include "memory/cardTableRS.hpp" | |
50 #include "oops/oop.pcgc.inline.hpp" | |
51 #endif | |
0 | 52 |
53 klassOop instanceKlassKlass::create_klass(TRAPS) { | |
54 instanceKlassKlass o; | |
55 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); | |
56 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); | |
57 // Make sure size calculation is right | |
58 assert(k()->size() == align_object_size(header_size()), "wrong size for object"); | |
59 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror | |
60 return k(); | |
61 } | |
62 | |
63 int instanceKlassKlass::oop_size(oop obj) const { | |
64 assert(obj->is_klass(), "must be klass"); | |
65 return instanceKlass::cast(klassOop(obj))->object_size(); | |
66 } | |
67 | |
68 bool instanceKlassKlass::oop_is_parsable(oop obj) const { | |
69 assert(obj->is_klass(), "must be klass"); | |
70 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
71 return (!ik->null_vtbl()) && ik->object_is_parsable(); | |
72 } | |
73 | |
74 void instanceKlassKlass::iterate_c_heap_oops(instanceKlass* ik, | |
75 OopClosure* closure) { | |
76 if (ik->oop_map_cache() != NULL) { | |
77 ik->oop_map_cache()->oop_iterate(closure); | |
78 } | |
79 | |
80 if (ik->jni_ids() != NULL) { | |
81 ik->jni_ids()->oops_do(closure); | |
82 } | |
83 } | |
84 | |
85 void instanceKlassKlass::oop_follow_contents(oop obj) { | |
86 assert(obj->is_klass(),"must be a klass"); | |
87 assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass"); | |
88 | |
89 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
90 { | |
91 HandleMark hm; | |
92 ik->vtable()->oop_follow_contents(); | |
93 ik->itable()->oop_follow_contents(); | |
94 } | |
95 | |
96 MarkSweep::mark_and_push(ik->adr_array_klasses()); | |
97 MarkSweep::mark_and_push(ik->adr_methods()); | |
98 MarkSweep::mark_and_push(ik->adr_method_ordering()); | |
99 MarkSweep::mark_and_push(ik->adr_local_interfaces()); | |
100 MarkSweep::mark_and_push(ik->adr_transitive_interfaces()); | |
101 MarkSweep::mark_and_push(ik->adr_fields()); | |
102 MarkSweep::mark_and_push(ik->adr_constants()); | |
103 MarkSweep::mark_and_push(ik->adr_class_loader()); | |
104 MarkSweep::mark_and_push(ik->adr_inner_classes()); | |
105 MarkSweep::mark_and_push(ik->adr_protection_domain()); | |
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106 MarkSweep::mark_and_push(ik->adr_host_klass()); |
0 | 107 MarkSweep::mark_and_push(ik->adr_signers()); |
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108 MarkSweep::mark_and_push(ik->adr_bootstrap_method()); |
0 | 109 MarkSweep::mark_and_push(ik->adr_class_annotations()); |
110 MarkSweep::mark_and_push(ik->adr_fields_annotations()); | |
111 MarkSweep::mark_and_push(ik->adr_methods_annotations()); | |
112 MarkSweep::mark_and_push(ik->adr_methods_parameter_annotations()); | |
113 MarkSweep::mark_and_push(ik->adr_methods_default_annotations()); | |
114 | |
115 // We do not follow adr_implementors() here. It is followed later | |
116 // in instanceKlass::follow_weak_klass_links() | |
117 | |
118 klassKlass::oop_follow_contents(obj); | |
119 | |
120 iterate_c_heap_oops(ik, &MarkSweep::mark_and_push_closure); | |
121 } | |
122 | |
123 #ifndef SERIALGC | |
124 void instanceKlassKlass::oop_follow_contents(ParCompactionManager* cm, | |
125 oop obj) { | |
126 assert(obj->is_klass(),"must be a klass"); | |
127 assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass"); | |
128 | |
129 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
130 ik->vtable()->oop_follow_contents(cm); | |
131 ik->itable()->oop_follow_contents(cm); | |
132 | |
133 PSParallelCompact::mark_and_push(cm, ik->adr_array_klasses()); | |
134 PSParallelCompact::mark_and_push(cm, ik->adr_methods()); | |
135 PSParallelCompact::mark_and_push(cm, ik->adr_method_ordering()); | |
136 PSParallelCompact::mark_and_push(cm, ik->adr_local_interfaces()); | |
137 PSParallelCompact::mark_and_push(cm, ik->adr_transitive_interfaces()); | |
138 PSParallelCompact::mark_and_push(cm, ik->adr_fields()); | |
139 PSParallelCompact::mark_and_push(cm, ik->adr_constants()); | |
140 PSParallelCompact::mark_and_push(cm, ik->adr_class_loader()); | |
141 PSParallelCompact::mark_and_push(cm, ik->adr_inner_classes()); | |
142 PSParallelCompact::mark_and_push(cm, ik->adr_protection_domain()); | |
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143 PSParallelCompact::mark_and_push(cm, ik->adr_host_klass()); |
0 | 144 PSParallelCompact::mark_and_push(cm, ik->adr_signers()); |
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145 PSParallelCompact::mark_and_push(cm, ik->adr_bootstrap_method()); |
0 | 146 PSParallelCompact::mark_and_push(cm, ik->adr_class_annotations()); |
147 PSParallelCompact::mark_and_push(cm, ik->adr_fields_annotations()); | |
148 PSParallelCompact::mark_and_push(cm, ik->adr_methods_annotations()); | |
149 PSParallelCompact::mark_and_push(cm, ik->adr_methods_parameter_annotations()); | |
150 PSParallelCompact::mark_and_push(cm, ik->adr_methods_default_annotations()); | |
151 | |
152 // We do not follow adr_implementor() here. It is followed later | |
153 // in instanceKlass::follow_weak_klass_links() | |
154 | |
155 klassKlass::oop_follow_contents(cm, obj); | |
156 | |
157 PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm); | |
158 iterate_c_heap_oops(ik, &mark_and_push_closure); | |
159 } | |
160 #endif // SERIALGC | |
161 | |
162 int instanceKlassKlass::oop_oop_iterate(oop obj, OopClosure* blk) { | |
163 assert(obj->is_klass(),"must be a klass"); | |
164 assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass"); | |
165 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
166 // Get size before changing pointers. | |
167 // Don't call size() or oop_size() since that is a virtual call. | |
168 int size = ik->object_size(); | |
169 | |
170 ik->vtable()->oop_oop_iterate(blk); | |
171 ik->itable()->oop_oop_iterate(blk); | |
172 | |
173 blk->do_oop(ik->adr_array_klasses()); | |
174 blk->do_oop(ik->adr_methods()); | |
175 blk->do_oop(ik->adr_method_ordering()); | |
176 blk->do_oop(ik->adr_local_interfaces()); | |
177 blk->do_oop(ik->adr_transitive_interfaces()); | |
178 blk->do_oop(ik->adr_fields()); | |
179 blk->do_oop(ik->adr_constants()); | |
180 blk->do_oop(ik->adr_class_loader()); | |
181 blk->do_oop(ik->adr_protection_domain()); | |
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182 blk->do_oop(ik->adr_host_klass()); |
0 | 183 blk->do_oop(ik->adr_signers()); |
184 blk->do_oop(ik->adr_inner_classes()); | |
185 for (int i = 0; i < instanceKlass::implementors_limit; i++) { | |
186 blk->do_oop(&ik->adr_implementors()[i]); | |
187 } | |
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188 blk->do_oop(ik->adr_bootstrap_method()); |
0 | 189 blk->do_oop(ik->adr_class_annotations()); |
190 blk->do_oop(ik->adr_fields_annotations()); | |
191 blk->do_oop(ik->adr_methods_annotations()); | |
192 blk->do_oop(ik->adr_methods_parameter_annotations()); | |
193 blk->do_oop(ik->adr_methods_default_annotations()); | |
194 | |
195 klassKlass::oop_oop_iterate(obj, blk); | |
196 | |
197 if(ik->oop_map_cache() != NULL) ik->oop_map_cache()->oop_iterate(blk); | |
198 return size; | |
199 } | |
200 | |
201 int instanceKlassKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, | |
202 MemRegion mr) { | |
203 assert(obj->is_klass(),"must be a klass"); | |
204 assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass"); | |
205 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
206 // Get size before changing pointers. | |
207 // Don't call size() or oop_size() since that is a virtual call. | |
208 int size = ik->object_size(); | |
209 | |
210 ik->vtable()->oop_oop_iterate_m(blk, mr); | |
211 ik->itable()->oop_oop_iterate_m(blk, mr); | |
212 | |
213 oop* adr; | |
214 adr = ik->adr_array_klasses(); | |
215 if (mr.contains(adr)) blk->do_oop(adr); | |
216 adr = ik->adr_methods(); | |
217 if (mr.contains(adr)) blk->do_oop(adr); | |
218 adr = ik->adr_method_ordering(); | |
219 if (mr.contains(adr)) blk->do_oop(adr); | |
220 adr = ik->adr_local_interfaces(); | |
221 if (mr.contains(adr)) blk->do_oop(adr); | |
222 adr = ik->adr_transitive_interfaces(); | |
223 if (mr.contains(adr)) blk->do_oop(adr); | |
224 adr = ik->adr_fields(); | |
225 if (mr.contains(adr)) blk->do_oop(adr); | |
226 adr = ik->adr_constants(); | |
227 if (mr.contains(adr)) blk->do_oop(adr); | |
228 adr = ik->adr_class_loader(); | |
229 if (mr.contains(adr)) blk->do_oop(adr); | |
230 adr = ik->adr_protection_domain(); | |
231 if (mr.contains(adr)) blk->do_oop(adr); | |
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232 adr = ik->adr_host_klass(); |
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233 if (mr.contains(adr)) blk->do_oop(adr); |
0 | 234 adr = ik->adr_signers(); |
235 if (mr.contains(adr)) blk->do_oop(adr); | |
236 adr = ik->adr_inner_classes(); | |
237 if (mr.contains(adr)) blk->do_oop(adr); | |
238 adr = ik->adr_implementors(); | |
239 for (int i = 0; i < instanceKlass::implementors_limit; i++) { | |
240 if (mr.contains(&adr[i])) blk->do_oop(&adr[i]); | |
241 } | |
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242 adr = ik->adr_bootstrap_method(); |
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243 if (mr.contains(adr)) blk->do_oop(adr); |
0 | 244 adr = ik->adr_class_annotations(); |
245 if (mr.contains(adr)) blk->do_oop(adr); | |
246 adr = ik->adr_fields_annotations(); | |
247 if (mr.contains(adr)) blk->do_oop(adr); | |
248 adr = ik->adr_methods_annotations(); | |
249 if (mr.contains(adr)) blk->do_oop(adr); | |
250 adr = ik->adr_methods_parameter_annotations(); | |
251 if (mr.contains(adr)) blk->do_oop(adr); | |
252 adr = ik->adr_methods_default_annotations(); | |
253 if (mr.contains(adr)) blk->do_oop(adr); | |
254 | |
255 klassKlass::oop_oop_iterate_m(obj, blk, mr); | |
256 | |
257 if(ik->oop_map_cache() != NULL) ik->oop_map_cache()->oop_iterate(blk, mr); | |
258 return size; | |
259 } | |
260 | |
261 int instanceKlassKlass::oop_adjust_pointers(oop obj) { | |
262 assert(obj->is_klass(),"must be a klass"); | |
263 assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass"); | |
264 | |
265 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
266 ik->vtable()->oop_adjust_pointers(); | |
267 ik->itable()->oop_adjust_pointers(); | |
268 | |
269 MarkSweep::adjust_pointer(ik->adr_array_klasses()); | |
270 MarkSweep::adjust_pointer(ik->adr_methods()); | |
271 MarkSweep::adjust_pointer(ik->adr_method_ordering()); | |
272 MarkSweep::adjust_pointer(ik->adr_local_interfaces()); | |
273 MarkSweep::adjust_pointer(ik->adr_transitive_interfaces()); | |
274 MarkSweep::adjust_pointer(ik->adr_fields()); | |
275 MarkSweep::adjust_pointer(ik->adr_constants()); | |
276 MarkSweep::adjust_pointer(ik->adr_class_loader()); | |
277 MarkSweep::adjust_pointer(ik->adr_protection_domain()); | |
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278 MarkSweep::adjust_pointer(ik->adr_host_klass()); |
0 | 279 MarkSweep::adjust_pointer(ik->adr_signers()); |
280 MarkSweep::adjust_pointer(ik->adr_inner_classes()); | |
281 for (int i = 0; i < instanceKlass::implementors_limit; i++) { | |
282 MarkSweep::adjust_pointer(&ik->adr_implementors()[i]); | |
283 } | |
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284 MarkSweep::adjust_pointer(ik->adr_bootstrap_method()); |
0 | 285 MarkSweep::adjust_pointer(ik->adr_class_annotations()); |
286 MarkSweep::adjust_pointer(ik->adr_fields_annotations()); | |
287 MarkSweep::adjust_pointer(ik->adr_methods_annotations()); | |
288 MarkSweep::adjust_pointer(ik->adr_methods_parameter_annotations()); | |
289 MarkSweep::adjust_pointer(ik->adr_methods_default_annotations()); | |
290 | |
291 iterate_c_heap_oops(ik, &MarkSweep::adjust_root_pointer_closure); | |
292 | |
293 return klassKlass::oop_adjust_pointers(obj); | |
294 } | |
295 | |
296 #ifndef SERIALGC | |
297 void instanceKlassKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
298 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
299 | |
300 oop* loader_addr = ik->adr_class_loader(); | |
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301 if (PSScavenge::should_scavenge(loader_addr)) { |
0 | 302 pm->claim_or_forward_depth(loader_addr); |
303 } | |
304 | |
305 oop* pd_addr = ik->adr_protection_domain(); | |
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306 if (PSScavenge::should_scavenge(pd_addr)) { |
0 | 307 pm->claim_or_forward_depth(pd_addr); |
308 } | |
309 | |
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310 oop* hk_addr = ik->adr_host_klass(); |
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311 if (PSScavenge::should_scavenge(hk_addr)) { |
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312 pm->claim_or_forward_depth(hk_addr); |
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313 } |
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314 |
0 | 315 oop* sg_addr = ik->adr_signers(); |
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316 if (PSScavenge::should_scavenge(sg_addr)) { |
0 | 317 pm->claim_or_forward_depth(sg_addr); |
318 } | |
319 | |
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320 oop* bsm_addr = ik->adr_bootstrap_method(); |
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321 if (PSScavenge::should_scavenge(bsm_addr)) { |
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322 pm->claim_or_forward_depth(bsm_addr); |
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323 } |
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324 |
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325 klassKlass::oop_push_contents(pm, obj); |
0 | 326 } |
327 | |
328 int instanceKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
329 assert(obj->is_klass(),"must be a klass"); | |
330 assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), | |
331 "must be instance klass"); | |
332 | |
333 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
334 ik->vtable()->oop_update_pointers(cm); | |
335 ik->itable()->oop_update_pointers(cm); | |
336 | |
337 oop* const beg_oop = ik->oop_block_beg(); | |
338 oop* const end_oop = ik->oop_block_end(); | |
339 for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) { | |
340 PSParallelCompact::adjust_pointer(cur_oop); | |
341 } | |
342 | |
343 OopClosure* closure = PSParallelCompact::adjust_root_pointer_closure(); | |
344 iterate_c_heap_oops(ik, closure); | |
345 | |
346 klassKlass::oop_update_pointers(cm, obj); | |
347 return ik->object_size(); | |
348 } | |
349 | |
350 #endif // SERIALGC | |
351 | |
938 | 352 klassOop |
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353 instanceKlassKlass::allocate_instance_klass(Symbol* name, int vtable_len, int itable_len, |
938 | 354 int static_field_size, |
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355 unsigned nonstatic_oop_map_count, |
938 | 356 ReferenceType rt, TRAPS) { |
0 | 357 |
938 | 358 const int nonstatic_oop_map_size = |
359 instanceKlass::nonstatic_oop_map_size(nonstatic_oop_map_count); | |
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360 int size = instanceKlass::object_size(align_object_offset(vtable_len) + align_object_offset(itable_len) + nonstatic_oop_map_size); |
0 | 361 |
362 // Allocation | |
363 KlassHandle h_this_klass(THREAD, as_klassOop()); | |
364 KlassHandle k; | |
365 if (rt == REF_NONE) { | |
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366 if (name != vmSymbols::java_lang_Class()) { |
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367 // regular klass |
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368 instanceKlass o; |
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369 k = base_create_klass(h_this_klass, size, o.vtbl_value(), CHECK_NULL); |
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370 } else { |
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371 // Class |
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372 instanceMirrorKlass o; |
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373 k = base_create_klass(h_this_klass, size, o.vtbl_value(), CHECK_NULL); |
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374 } |
0 | 375 } else { |
376 // reference klass | |
377 instanceRefKlass o; | |
378 k = base_create_klass(h_this_klass, size, o.vtbl_value(), CHECK_NULL); | |
379 } | |
380 { | |
381 No_Safepoint_Verifier no_safepoint; // until k becomes parsable | |
382 instanceKlass* ik = (instanceKlass*) k()->klass_part(); | |
383 assert(!k()->is_parsable(), "not expecting parsability yet."); | |
384 | |
385 // The sizes of these these three variables are used for determining the | |
386 // size of the instanceKlassOop. It is critical that these are set to the right | |
387 // sizes before the first GC, i.e., when we allocate the mirror. | |
388 ik->set_vtable_length(vtable_len); | |
389 ik->set_itable_length(itable_len); | |
390 ik->set_static_field_size(static_field_size); | |
391 ik->set_nonstatic_oop_map_size(nonstatic_oop_map_size); | |
392 assert(k()->size() == size, "wrong size for object"); | |
393 | |
394 ik->set_array_klasses(NULL); | |
395 ik->set_methods(NULL); | |
396 ik->set_method_ordering(NULL); | |
397 ik->set_local_interfaces(NULL); | |
398 ik->set_transitive_interfaces(NULL); | |
399 ik->init_implementor(); | |
400 ik->set_fields(NULL); | |
401 ik->set_constants(NULL); | |
402 ik->set_class_loader(NULL); | |
403 ik->set_protection_domain(NULL); | |
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404 ik->set_host_klass(NULL); |
0 | 405 ik->set_signers(NULL); |
406 ik->set_source_file_name(NULL); | |
407 ik->set_source_debug_extension(NULL); | |
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408 ik->set_source_debug_extension(NULL); |
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409 ik->set_array_name(NULL); |
0 | 410 ik->set_inner_classes(NULL); |
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411 ik->set_static_oop_field_count(0); |
0 | 412 ik->set_nonstatic_field_size(0); |
975 | 413 ik->set_is_marked_dependent(false); |
0 | 414 ik->set_init_state(instanceKlass::allocated); |
415 ik->set_init_thread(NULL); | |
416 ik->set_reference_type(rt); | |
417 ik->set_oop_map_cache(NULL); | |
418 ik->set_jni_ids(NULL); | |
419 ik->set_osr_nmethods_head(NULL); | |
420 ik->set_breakpoints(NULL); | |
421 ik->init_previous_versions(); | |
422 ik->set_generic_signature(NULL); | |
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423 ik->set_bootstrap_method(NULL); |
0 | 424 ik->release_set_methods_jmethod_ids(NULL); |
425 ik->release_set_methods_cached_itable_indices(NULL); | |
426 ik->set_class_annotations(NULL); | |
427 ik->set_fields_annotations(NULL); | |
428 ik->set_methods_annotations(NULL); | |
429 ik->set_methods_parameter_annotations(NULL); | |
430 ik->set_methods_default_annotations(NULL); | |
431 ik->set_enclosing_method_indices(0, 0); | |
432 ik->set_jvmti_cached_class_field_map(NULL); | |
433 ik->set_initial_method_idnum(0); | |
434 assert(k()->is_parsable(), "should be parsable here."); | |
435 | |
436 // initialize the non-header words to zero | |
437 intptr_t* p = (intptr_t*)k(); | |
438 for (int index = instanceKlass::header_size(); index < size; index++) { | |
439 p[index] = NULL_WORD; | |
440 } | |
441 | |
442 // To get verify to work - must be set to partial loaded before first GC point. | |
443 k()->set_partially_loaded(); | |
444 } | |
445 return k(); | |
446 } | |
447 | |
448 | |
449 | |
450 #ifndef PRODUCT | |
451 | |
452 // Printing | |
453 | |
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454 #define BULLET " - " |
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455 |
0 | 456 static const char* state_names[] = { |
457 "unparseable_by_gc", "allocated", "loaded", "linked", "being_initialized", "fully_initialized", "initialization_error" | |
458 }; | |
459 | |
460 | |
461 void instanceKlassKlass::oop_print_on(oop obj, outputStream* st) { | |
462 assert(obj->is_klass(), "must be klass"); | |
463 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
464 klassKlass::oop_print_on(obj, st); | |
465 | |
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466 st->print(BULLET"instance size: %d", ik->size_helper()); st->cr(); |
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467 st->print(BULLET"klass size: %d", ik->object_size()); st->cr(); |
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468 st->print(BULLET"access: "); ik->access_flags().print_on(st); st->cr(); |
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469 st->print(BULLET"state: "); st->print_cr(state_names[ik->_init_state]); |
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470 st->print(BULLET"name: "); ik->name()->print_value_on(st); st->cr(); |
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471 st->print(BULLET"super: "); ik->super()->print_value_on(st); st->cr(); |
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472 st->print(BULLET"sub: "); |
0 | 473 Klass* sub = ik->subklass(); |
474 int n; | |
475 for (n = 0; sub != NULL; n++, sub = sub->next_sibling()) { | |
476 if (n < MaxSubklassPrintSize) { | |
477 sub->as_klassOop()->print_value_on(st); | |
478 st->print(" "); | |
479 } | |
480 } | |
481 if (n >= MaxSubklassPrintSize) st->print("(%d more klasses...)", n - MaxSubklassPrintSize); | |
482 st->cr(); | |
483 | |
484 if (ik->is_interface()) { | |
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485 st->print_cr(BULLET"nof implementors: %d", ik->nof_implementors()); |
0 | 486 int print_impl = 0; |
487 for (int i = 0; i < instanceKlass::implementors_limit; i++) { | |
488 if (ik->implementor(i) != NULL) { | |
489 if (++print_impl == 1) | |
665
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490 st->print_cr(BULLET"implementor: "); |
0 | 491 st->print(" "); |
492 ik->implementor(i)->print_value_on(st); | |
493 } | |
494 } | |
495 if (print_impl > 0) st->cr(); | |
496 } | |
497 | |
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498 st->print(BULLET"arrays: "); ik->array_klasses()->print_value_on(st); st->cr(); |
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499 st->print(BULLET"methods: "); ik->methods()->print_value_on(st); st->cr(); |
0 | 500 if (Verbose) { |
501 objArrayOop methods = ik->methods(); | |
502 for(int i = 0; i < methods->length(); i++) { | |
503 tty->print("%d : ", i); methods->obj_at(i)->print_value(); tty->cr(); | |
504 } | |
505 } | |
665
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506 st->print(BULLET"method ordering: "); ik->method_ordering()->print_value_on(st); st->cr(); |
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507 st->print(BULLET"local interfaces: "); ik->local_interfaces()->print_value_on(st); st->cr(); |
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508 st->print(BULLET"trans. interfaces: "); ik->transitive_interfaces()->print_value_on(st); st->cr(); |
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509 st->print(BULLET"constants: "); ik->constants()->print_value_on(st); st->cr(); |
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510 st->print(BULLET"class loader: "); ik->class_loader()->print_value_on(st); st->cr(); |
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511 st->print(BULLET"protection domain: "); ik->protection_domain()->print_value_on(st); st->cr(); |
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512 st->print(BULLET"host class: "); ik->host_klass()->print_value_on(st); st->cr(); |
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513 st->print(BULLET"signers: "); ik->signers()->print_value_on(st); st->cr(); |
0 | 514 if (ik->source_file_name() != NULL) { |
665
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515 st->print(BULLET"source file: "); |
0 | 516 ik->source_file_name()->print_value_on(st); |
517 st->cr(); | |
518 } | |
519 if (ik->source_debug_extension() != NULL) { | |
665
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520 st->print(BULLET"source debug extension: "); |
0 | 521 ik->source_debug_extension()->print_value_on(st); |
522 st->cr(); | |
523 } | |
524 | |
525 { | |
526 ResourceMark rm; | |
527 // PreviousVersionInfo objects returned via PreviousVersionWalker | |
528 // contain a GrowableArray of handles. We have to clean up the | |
529 // GrowableArray _after_ the PreviousVersionWalker destructor | |
530 // has destroyed the handles. | |
531 { | |
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532 bool have_pv = false; |
0 | 533 PreviousVersionWalker pvw(ik); |
534 for (PreviousVersionInfo * pv_info = pvw.next_previous_version(); | |
535 pv_info != NULL; pv_info = pvw.next_previous_version()) { | |
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536 if (!have_pv) |
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537 st->print(BULLET"previous version: "); |
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538 have_pv = true; |
0 | 539 pv_info->prev_constant_pool_handle()()->print_value_on(st); |
540 } | |
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541 if (have_pv) st->cr(); |
0 | 542 } // pvw is cleaned up |
543 } // rm is cleaned up | |
544 | |
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545 if (ik->bootstrap_method() != NULL) { |
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546 st->print(BULLET"bootstrap method: "); |
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547 ik->bootstrap_method()->print_value_on(st); |
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548 st->cr(); |
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549 } |
0 | 550 if (ik->generic_signature() != NULL) { |
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551 st->print(BULLET"generic signature: "); |
0 | 552 ik->generic_signature()->print_value_on(st); |
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553 st->cr(); |
0 | 554 } |
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555 st->print(BULLET"inner classes: "); ik->inner_classes()->print_value_on(st); st->cr(); |
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556 st->print(BULLET"java mirror: "); ik->java_mirror()->print_value_on(st); st->cr(); |
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557 st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", ik->vtable_length(), ik->start_of_vtable()); st->cr(); |
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558 st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", ik->itable_length(), ik->start_of_itable()); st->cr(); |
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559 st->print_cr(BULLET"---- static fields (%d words):", ik->static_field_size()); |
0 | 560 FieldPrinter print_static_field(st); |
561 ik->do_local_static_fields(&print_static_field); | |
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562 st->print_cr(BULLET"---- non-static fields (%d words):", ik->nonstatic_field_size()); |
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563 FieldPrinter print_nonstatic_field(st); |
0 | 564 ik->do_nonstatic_fields(&print_nonstatic_field); |
565 | |
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566 st->print(BULLET"non-static oop maps: "); |
0 | 567 OopMapBlock* map = ik->start_of_nonstatic_oop_maps(); |
938 | 568 OopMapBlock* end_map = map + ik->nonstatic_oop_map_count(); |
0 | 569 while (map < end_map) { |
938 | 570 st->print("%d-%d ", map->offset(), map->offset() + heapOopSize*(map->count() - 1)); |
0 | 571 map++; |
572 } | |
573 st->cr(); | |
574 } | |
575 | |
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576 #endif //PRODUCT |
0 | 577 |
578 void instanceKlassKlass::oop_print_value_on(oop obj, outputStream* st) { | |
579 assert(obj->is_klass(), "must be klass"); | |
580 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
581 ik->name()->print_value_on(st); | |
582 } | |
583 | |
584 const char* instanceKlassKlass::internal_name() const { | |
585 return "{instance class}"; | |
586 } | |
587 | |
588 // Verification | |
589 | |
590 class VerifyFieldClosure: public OopClosure { | |
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591 protected: |
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592 template <class T> void do_oop_work(T* p) { |
0 | 593 guarantee(Universe::heap()->is_in(p), "should be in heap"); |
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594 oop obj = oopDesc::load_decode_heap_oop(p); |
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595 guarantee(obj->is_oop_or_null(), "should be in heap"); |
0 | 596 } |
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597 public: |
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598 virtual void do_oop(oop* p) { VerifyFieldClosure::do_oop_work(p); } |
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599 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); } |
0 | 600 }; |
601 | |
602 void instanceKlassKlass::oop_verify_on(oop obj, outputStream* st) { | |
603 klassKlass::oop_verify_on(obj, st); | |
604 if (!obj->partially_loaded()) { | |
605 Thread *thread = Thread::current(); | |
606 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
607 | |
608 #ifndef PRODUCT | |
609 // Avoid redundant verifies | |
610 if (ik->_verify_count == Universe::verify_count()) return; | |
611 ik->_verify_count = Universe::verify_count(); | |
612 #endif | |
613 // Verify that klass is present in SystemDictionary | |
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614 if (ik->is_loaded() && !ik->is_anonymous()) { |
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615 Symbol* h_name = ik->name(); |
0 | 616 Handle h_loader (thread, ik->class_loader()); |
617 Handle h_obj(thread, obj); | |
618 SystemDictionary::verify_obj_klass_present(h_obj, h_name, h_loader); | |
619 } | |
620 | |
621 // Verify static fields | |
622 VerifyFieldClosure blk; | |
623 | |
624 // Verify vtables | |
625 if (ik->is_linked()) { | |
626 ResourceMark rm(thread); | |
627 // $$$ This used to be done only for m/s collections. Doing it | |
628 // always seemed a valid generalization. (DLD -- 6/00) | |
629 ik->vtable()->verify(st); | |
630 } | |
631 | |
632 // Verify oop map cache | |
633 if (ik->oop_map_cache() != NULL) { | |
634 ik->oop_map_cache()->verify(); | |
635 } | |
636 | |
637 // Verify first subklass | |
638 if (ik->subklass_oop() != NULL) { | |
639 guarantee(ik->subklass_oop()->is_perm(), "should be in permspace"); | |
640 guarantee(ik->subklass_oop()->is_klass(), "should be klass"); | |
641 } | |
642 | |
643 // Verify siblings | |
644 klassOop super = ik->super(); | |
645 Klass* sib = ik->next_sibling(); | |
646 int sib_count = 0; | |
647 while (sib != NULL) { | |
648 if (sib == ik) { | |
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649 fatal(err_msg("subclass cycle of length %d", sib_count)); |
0 | 650 } |
651 if (sib_count >= 100000) { | |
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652 fatal(err_msg("suspiciously long subclass list %d", sib_count)); |
0 | 653 } |
654 guarantee(sib->as_klassOop()->is_klass(), "should be klass"); | |
655 guarantee(sib->as_klassOop()->is_perm(), "should be in permspace"); | |
656 guarantee(sib->super() == super, "siblings should have same superklass"); | |
657 sib = sib->next_sibling(); | |
658 } | |
659 | |
660 // Verify implementor fields | |
661 bool saw_null_impl = false; | |
662 for (int i = 0; i < instanceKlass::implementors_limit; i++) { | |
663 klassOop im = ik->implementor(i); | |
664 if (im == NULL) { saw_null_impl = true; continue; } | |
665 guarantee(!saw_null_impl, "non-nulls must preceded all nulls"); | |
666 guarantee(ik->is_interface(), "only interfaces should have implementor set"); | |
667 guarantee(i < ik->nof_implementors(), "should only have one implementor"); | |
668 guarantee(im->is_perm(), "should be in permspace"); | |
669 guarantee(im->is_klass(), "should be klass"); | |
670 guarantee(!Klass::cast(klassOop(im))->is_interface(), "implementors cannot be interfaces"); | |
671 } | |
672 | |
673 // Verify local interfaces | |
674 objArrayOop local_interfaces = ik->local_interfaces(); | |
675 guarantee(local_interfaces->is_perm(), "should be in permspace"); | |
676 guarantee(local_interfaces->is_objArray(), "should be obj array"); | |
677 int j; | |
678 for (j = 0; j < local_interfaces->length(); j++) { | |
679 oop e = local_interfaces->obj_at(j); | |
680 guarantee(e->is_klass() && Klass::cast(klassOop(e))->is_interface(), "invalid local interface"); | |
681 } | |
682 | |
683 // Verify transitive interfaces | |
684 objArrayOop transitive_interfaces = ik->transitive_interfaces(); | |
685 guarantee(transitive_interfaces->is_perm(), "should be in permspace"); | |
686 guarantee(transitive_interfaces->is_objArray(), "should be obj array"); | |
687 for (j = 0; j < transitive_interfaces->length(); j++) { | |
688 oop e = transitive_interfaces->obj_at(j); | |
689 guarantee(e->is_klass() && Klass::cast(klassOop(e))->is_interface(), "invalid transitive interface"); | |
690 } | |
691 | |
692 // Verify methods | |
693 objArrayOop methods = ik->methods(); | |
694 guarantee(methods->is_perm(), "should be in permspace"); | |
695 guarantee(methods->is_objArray(), "should be obj array"); | |
696 for (j = 0; j < methods->length(); j++) { | |
697 guarantee(methods->obj_at(j)->is_method(), "non-method in methods array"); | |
698 } | |
699 for (j = 0; j < methods->length() - 1; j++) { | |
700 methodOop m1 = methodOop(methods->obj_at(j)); | |
701 methodOop m2 = methodOop(methods->obj_at(j + 1)); | |
702 guarantee(m1->name()->fast_compare(m2->name()) <= 0, "methods not sorted correctly"); | |
703 } | |
704 | |
705 // Verify method ordering | |
706 typeArrayOop method_ordering = ik->method_ordering(); | |
707 guarantee(method_ordering->is_perm(), "should be in permspace"); | |
708 guarantee(method_ordering->is_typeArray(), "should be type array"); | |
709 int length = method_ordering->length(); | |
710 if (JvmtiExport::can_maintain_original_method_order()) { | |
711 guarantee(length == methods->length(), "invalid method ordering length"); | |
712 jlong sum = 0; | |
713 for (j = 0; j < length; j++) { | |
714 int original_index = method_ordering->int_at(j); | |
715 guarantee(original_index >= 0 && original_index < length, "invalid method ordering index"); | |
716 sum += original_index; | |
717 } | |
718 // Verify sum of indices 0,1,...,length-1 | |
719 guarantee(sum == ((jlong)length*(length-1))/2, "invalid method ordering sum"); | |
720 } else { | |
721 guarantee(length == 0, "invalid method ordering length"); | |
722 } | |
723 | |
724 // Verify JNI static field identifiers | |
725 if (ik->jni_ids() != NULL) { | |
726 ik->jni_ids()->verify(ik->as_klassOop()); | |
727 } | |
728 | |
729 // Verify other fields | |
730 if (ik->array_klasses() != NULL) { | |
731 guarantee(ik->array_klasses()->is_perm(), "should be in permspace"); | |
732 guarantee(ik->array_klasses()->is_klass(), "should be klass"); | |
733 } | |
734 guarantee(ik->fields()->is_perm(), "should be in permspace"); | |
735 guarantee(ik->fields()->is_typeArray(), "should be type array"); | |
736 guarantee(ik->constants()->is_perm(), "should be in permspace"); | |
737 guarantee(ik->constants()->is_constantPool(), "should be constant pool"); | |
738 guarantee(ik->inner_classes()->is_perm(), "should be in permspace"); | |
739 guarantee(ik->inner_classes()->is_typeArray(), "should be type array"); | |
740 if (ik->protection_domain() != NULL) { | |
741 guarantee(ik->protection_domain()->is_oop(), "should be oop"); | |
742 } | |
431
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743 if (ik->host_klass() != NULL) { |
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744 guarantee(ik->host_klass()->is_oop(), "should be oop"); |
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745 } |
0 | 746 if (ik->signers() != NULL) { |
747 guarantee(ik->signers()->is_objArray(), "should be obj array"); | |
748 } | |
749 if (ik->class_annotations() != NULL) { | |
750 guarantee(ik->class_annotations()->is_typeArray(), "should be type array"); | |
751 } | |
752 if (ik->fields_annotations() != NULL) { | |
753 guarantee(ik->fields_annotations()->is_objArray(), "should be obj array"); | |
754 } | |
755 if (ik->methods_annotations() != NULL) { | |
756 guarantee(ik->methods_annotations()->is_objArray(), "should be obj array"); | |
757 } | |
758 if (ik->methods_parameter_annotations() != NULL) { | |
759 guarantee(ik->methods_parameter_annotations()->is_objArray(), "should be obj array"); | |
760 } | |
761 if (ik->methods_default_annotations() != NULL) { | |
762 guarantee(ik->methods_default_annotations()->is_objArray(), "should be obj array"); | |
763 } | |
764 } | |
765 } | |
766 | |
767 | |
768 bool instanceKlassKlass::oop_partially_loaded(oop obj) const { | |
769 assert(obj->is_klass(), "object must be klass"); | |
770 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
771 assert(ik->oop_is_instance(), "object must be instanceKlass"); | |
772 return ik->transitive_interfaces() == (objArrayOop) obj; // Check whether transitive_interfaces points to self | |
773 } | |
774 | |
775 | |
776 // The transitive_interfaces is the last field set when loading an object. | |
777 void instanceKlassKlass::oop_set_partially_loaded(oop obj) { | |
778 assert(obj->is_klass(), "object must be klass"); | |
779 instanceKlass* ik = instanceKlass::cast(klassOop(obj)); | |
780 // Set the layout helper to a place-holder value, until fuller initialization. | |
781 // (This allows asserts in oop_is_instance to succeed.) | |
782 ik->set_layout_helper(Klass::instance_layout_helper(0, true)); | |
783 assert(ik->oop_is_instance(), "object must be instanceKlass"); | |
784 assert(ik->transitive_interfaces() == NULL, "just checking"); | |
785 ik->set_transitive_interfaces((objArrayOop) obj); // Temporarily set transitive_interfaces to point to self | |
786 } |