Mercurial > hg > truffle
annotate src/share/vm/oops/constantPoolKlass.cpp @ 4137:04b9a2566eec
Merge with hsx23/hotspot.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Sat, 17 Dec 2011 21:40:27 +0100 |
| parents | c9a03402fe56 |
| children |
| rev | line source |
|---|---|
| 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1155
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1155
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1155
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaClasses.hpp" | |
| 27 #include "gc_implementation/shared/markSweep.inline.hpp" | |
| 28 #include "gc_interface/collectedHeap.inline.hpp" | |
| 29 #include "memory/oopFactory.hpp" | |
| 30 #include "memory/permGen.hpp" | |
| 31 #include "memory/universe.inline.hpp" | |
| 32 #include "oops/constantPoolKlass.hpp" | |
| 33 #include "oops/constantPoolOop.hpp" | |
| 34 #include "oops/oop.inline.hpp" | |
| 35 #include "oops/oop.inline2.hpp" | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
36 #include "oops/symbol.hpp" |
| 1972 | 37 #include "runtime/handles.inline.hpp" |
| 38 #ifdef TARGET_OS_FAMILY_linux | |
| 39 # include "thread_linux.inline.hpp" | |
| 40 #endif | |
| 41 #ifdef TARGET_OS_FAMILY_solaris | |
| 42 # include "thread_solaris.inline.hpp" | |
| 43 #endif | |
| 44 #ifdef TARGET_OS_FAMILY_windows | |
| 45 # include "thread_windows.inline.hpp" | |
| 46 #endif | |
| 3960 | 47 #ifdef TARGET_OS_FAMILY_bsd |
| 48 # include "thread_bsd.inline.hpp" | |
| 49 #endif | |
| 1972 | 50 #ifndef SERIALGC |
| 51 #include "gc_implementation/parNew/parOopClosures.inline.hpp" | |
| 52 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" | |
| 53 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
| 54 #include "memory/cardTableRS.hpp" | |
| 55 #include "oops/oop.pcgc.inline.hpp" | |
| 56 #endif | |
| 0 | 57 |
|
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
58 constantPoolOop constantPoolKlass::allocate(int length, bool is_conc_safe, TRAPS) { |
| 0 | 59 int size = constantPoolOopDesc::object_size(length); |
| 60 KlassHandle klass (THREAD, as_klassOop()); | |
|
2229
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
61 assert(klass()->is_oop(), "Can't be null, else handlizing of c below won't work"); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
62 constantPoolHandle pool; |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
63 { |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
64 constantPoolOop c = |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
65 (constantPoolOop)CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
66 assert(c->klass_or_null() != NULL, "Handlizing below won't work"); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
67 pool = constantPoolHandle(THREAD, c); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
68 } |
| 0 | 69 |
|
2229
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
70 pool->set_length(length); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
71 pool->set_tags(NULL); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
72 pool->set_cache(NULL); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
73 pool->set_operands(NULL); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
74 pool->set_pool_holder(NULL); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
75 pool->set_flags(0); |
| 0 | 76 // only set to non-zero if constant pool is merged by RedefineClasses |
|
2229
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
77 pool->set_orig_length(0); |
|
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
78 // if constant pool may change during RedefineClasses, it is created |
|
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
79 // unsafe for GC concurrent processing. |
|
2229
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
80 pool->set_is_conc_safe(is_conc_safe); |
| 0 | 81 // all fields are initialized; needed for GC |
| 82 | |
|
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
83 // Note: because we may be in this "conc_unsafe" state when allocating |
|
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
84 // t_oop below, which may in turn cause a GC, it is imperative that our |
|
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
85 // size be correct, consistent and henceforth stable, at this stage. |
|
2229
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
86 assert(pool->is_oop() && pool->is_parsable(), "Else size() below is unreliable"); |
|
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
87 assert(size == pool->size(), "size() is wrong"); |
|
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
88 |
| 0 | 89 // initialize tag array |
| 90 typeArrayOop t_oop = oopFactory::new_permanent_byteArray(length, CHECK_NULL); | |
| 91 typeArrayHandle tags (THREAD, t_oop); | |
| 92 for (int index = 0; index < length; index++) { | |
| 93 tags()->byte_at_put(index, JVM_CONSTANT_Invalid); | |
| 94 } | |
| 95 pool->set_tags(tags()); | |
| 96 | |
|
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
97 // Check that our size was stable at its old value. |
|
2229
183658a2d0b3
7018302: newly added assert related to size of constantPoolOop causes secondary assertions or crashes
ysr
parents:
2227
diff
changeset
|
98 assert(size == pool->size(), "size() changed"); |
| 0 | 99 return pool(); |
| 100 } | |
| 101 | |
| 102 klassOop constantPoolKlass::create_klass(TRAPS) { | |
| 103 constantPoolKlass o; | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
104 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
105 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
106 // Make sure size calculation is right |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
107 assert(k()->size() == align_object_size(header_size()), "wrong size for object"); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
108 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror |
| 0 | 109 return k(); |
| 110 } | |
| 111 | |
| 112 int constantPoolKlass::oop_size(oop obj) const { | |
| 113 assert(obj->is_constantPool(), "must be constantPool"); | |
| 114 return constantPoolOop(obj)->object_size(); | |
| 115 } | |
| 116 | |
| 117 | |
| 118 void constantPoolKlass::oop_follow_contents(oop obj) { | |
| 119 assert (obj->is_constantPool(), "obj must be constant pool"); | |
| 120 constantPoolOop cp = (constantPoolOop) obj; | |
| 121 // Performance tweak: We skip iterating over the klass pointer since we | |
| 122 // know that Universe::constantPoolKlassObj never moves. | |
| 123 | |
| 124 // If the tags array is null we are in the middle of allocating this constant pool | |
| 125 if (cp->tags() != NULL) { | |
| 126 // gc of constant pool contents | |
| 127 oop* base = (oop*)cp->base(); | |
| 128 for (int i = 0; i < cp->length(); i++) { | |
| 129 if (cp->is_pointer_entry(i)) { | |
| 130 if (*base != NULL) MarkSweep::mark_and_push(base); | |
| 131 } | |
| 132 base++; | |
| 133 } | |
| 134 // gc of constant pool instance variables | |
| 135 MarkSweep::mark_and_push(cp->tags_addr()); | |
| 136 MarkSweep::mark_and_push(cp->cache_addr()); | |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
137 MarkSweep::mark_and_push(cp->operands_addr()); |
| 0 | 138 MarkSweep::mark_and_push(cp->pool_holder_addr()); |
| 139 } | |
| 140 } | |
| 141 | |
| 142 #ifndef SERIALGC | |
| 143 void constantPoolKlass::oop_follow_contents(ParCompactionManager* cm, | |
| 144 oop obj) { | |
| 145 assert (obj->is_constantPool(), "obj must be constant pool"); | |
| 146 constantPoolOop cp = (constantPoolOop) obj; | |
| 147 // Performance tweak: We skip iterating over the klass pointer since we | |
| 148 // know that Universe::constantPoolKlassObj never moves. | |
| 149 | |
| 150 // If the tags array is null we are in the middle of allocating this constant | |
| 151 // pool. | |
| 152 if (cp->tags() != NULL) { | |
| 153 // gc of constant pool contents | |
| 154 oop* base = (oop*)cp->base(); | |
| 155 for (int i = 0; i < cp->length(); i++) { | |
| 156 if (cp->is_pointer_entry(i)) { | |
| 157 if (*base != NULL) PSParallelCompact::mark_and_push(cm, base); | |
| 158 } | |
| 159 base++; | |
| 160 } | |
| 161 // gc of constant pool instance variables | |
| 162 PSParallelCompact::mark_and_push(cm, cp->tags_addr()); | |
| 163 PSParallelCompact::mark_and_push(cm, cp->cache_addr()); | |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
164 PSParallelCompact::mark_and_push(cm, cp->operands_addr()); |
| 0 | 165 PSParallelCompact::mark_and_push(cm, cp->pool_holder_addr()); |
| 166 } | |
| 167 } | |
| 168 #endif // SERIALGC | |
| 169 | |
| 170 | |
| 171 int constantPoolKlass::oop_adjust_pointers(oop obj) { | |
| 172 assert (obj->is_constantPool(), "obj must be constant pool"); | |
| 173 constantPoolOop cp = (constantPoolOop) obj; | |
| 174 // Get size before changing pointers. | |
| 175 // Don't call size() or oop_size() since that is a virtual call. | |
| 176 int size = cp->object_size(); | |
| 177 // Performance tweak: We skip iterating over the klass pointer since we | |
| 178 // know that Universe::constantPoolKlassObj never moves. | |
| 179 | |
| 180 // If the tags array is null we are in the middle of allocating this constant | |
| 181 // pool. | |
| 182 if (cp->tags() != NULL) { | |
| 183 oop* base = (oop*)cp->base(); | |
| 184 for (int i = 0; i< cp->length(); i++) { | |
| 185 if (cp->is_pointer_entry(i)) { | |
| 186 MarkSweep::adjust_pointer(base); | |
| 187 } | |
| 188 base++; | |
| 189 } | |
| 190 } | |
| 191 MarkSweep::adjust_pointer(cp->tags_addr()); | |
| 192 MarkSweep::adjust_pointer(cp->cache_addr()); | |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
193 MarkSweep::adjust_pointer(cp->operands_addr()); |
| 0 | 194 MarkSweep::adjust_pointer(cp->pool_holder_addr()); |
| 195 return size; | |
| 196 } | |
| 197 | |
| 198 | |
| 199 int constantPoolKlass::oop_oop_iterate(oop obj, OopClosure* blk) { | |
| 200 assert (obj->is_constantPool(), "obj must be constant pool"); | |
| 201 // Performance tweak: We skip iterating over the klass pointer since we | |
| 202 // know that Universe::constantPoolKlassObj never moves. | |
| 203 constantPoolOop cp = (constantPoolOop) obj; | |
| 204 // Get size before changing pointers. | |
| 205 // Don't call size() or oop_size() since that is a virtual call. | |
| 206 int size = cp->object_size(); | |
| 207 | |
| 208 // If the tags array is null we are in the middle of allocating this constant | |
| 209 // pool. | |
| 210 if (cp->tags() != NULL) { | |
| 211 oop* base = (oop*)cp->base(); | |
| 212 for (int i = 0; i < cp->length(); i++) { | |
| 213 if (cp->is_pointer_entry(i)) { | |
| 214 blk->do_oop(base); | |
| 215 } | |
| 216 base++; | |
| 217 } | |
| 218 } | |
| 219 blk->do_oop(cp->tags_addr()); | |
| 220 blk->do_oop(cp->cache_addr()); | |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
221 blk->do_oop(cp->operands_addr()); |
| 0 | 222 blk->do_oop(cp->pool_holder_addr()); |
| 223 return size; | |
| 224 } | |
| 225 | |
| 226 | |
| 227 int constantPoolKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { | |
| 228 assert (obj->is_constantPool(), "obj must be constant pool"); | |
| 229 // Performance tweak: We skip iterating over the klass pointer since we | |
| 230 // know that Universe::constantPoolKlassObj never moves. | |
| 231 constantPoolOop cp = (constantPoolOop) obj; | |
| 232 // Get size before changing pointers. | |
| 233 // Don't call size() or oop_size() since that is a virtual call. | |
| 234 int size = cp->object_size(); | |
| 235 | |
| 236 // If the tags array is null we are in the middle of allocating this constant | |
| 237 // pool. | |
| 238 if (cp->tags() != NULL) { | |
| 239 oop* base = (oop*)cp->base(); | |
| 240 for (int i = 0; i < cp->length(); i++) { | |
| 241 if (mr.contains(base)) { | |
| 242 if (cp->is_pointer_entry(i)) { | |
| 243 blk->do_oop(base); | |
| 244 } | |
| 245 } | |
| 246 base++; | |
| 247 } | |
| 248 } | |
| 249 oop* addr; | |
| 250 addr = cp->tags_addr(); | |
|
2427
a0de1dfd1933
7030435: Some oop_oop_iterate_m() methods iterate outside of specified memory bounds
ysr
parents:
2379
diff
changeset
|
251 if (mr.contains(addr)) blk->do_oop(addr); |
| 0 | 252 addr = cp->cache_addr(); |
|
2427
a0de1dfd1933
7030435: Some oop_oop_iterate_m() methods iterate outside of specified memory bounds
ysr
parents:
2379
diff
changeset
|
253 if (mr.contains(addr)) blk->do_oop(addr); |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
254 addr = cp->operands_addr(); |
|
2427
a0de1dfd1933
7030435: Some oop_oop_iterate_m() methods iterate outside of specified memory bounds
ysr
parents:
2379
diff
changeset
|
255 if (mr.contains(addr)) blk->do_oop(addr); |
| 0 | 256 addr = cp->pool_holder_addr(); |
|
2427
a0de1dfd1933
7030435: Some oop_oop_iterate_m() methods iterate outside of specified memory bounds
ysr
parents:
2379
diff
changeset
|
257 if (mr.contains(addr)) blk->do_oop(addr); |
| 0 | 258 return size; |
| 259 } | |
| 260 | |
|
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
261 bool constantPoolKlass::oop_is_conc_safe(oop obj) const { |
|
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
262 assert(obj->is_constantPool(), "must be constantPool"); |
|
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
263 return constantPoolOop(obj)->is_conc_safe(); |
|
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
264 } |
|
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
431
diff
changeset
|
265 |
| 0 | 266 #ifndef SERIALGC |
| 267 int constantPoolKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
| 268 assert (obj->is_constantPool(), "obj must be constant pool"); | |
| 269 constantPoolOop cp = (constantPoolOop) obj; | |
| 270 | |
| 271 // If the tags array is null we are in the middle of allocating this constant | |
| 272 // pool. | |
| 273 if (cp->tags() != NULL) { | |
| 274 oop* base = (oop*)cp->base(); | |
| 275 for (int i = 0; i < cp->length(); ++i, ++base) { | |
| 276 if (cp->is_pointer_entry(i)) { | |
| 277 PSParallelCompact::adjust_pointer(base); | |
| 278 } | |
| 279 } | |
| 280 } | |
| 281 PSParallelCompact::adjust_pointer(cp->tags_addr()); | |
| 282 PSParallelCompact::adjust_pointer(cp->cache_addr()); | |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
283 PSParallelCompact::adjust_pointer(cp->operands_addr()); |
| 0 | 284 PSParallelCompact::adjust_pointer(cp->pool_holder_addr()); |
| 285 return cp->object_size(); | |
| 286 } | |
| 287 | |
| 288 void constantPoolKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
| 289 assert(obj->is_constantPool(), "should be constant pool"); | |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
290 constantPoolOop cp = (constantPoolOop) obj; |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
291 if (cp->tags() != NULL) { |
|
2379
b099aaf51bf8
6962931: move interned strings out of the perm gen
jcoomes
parents:
2229
diff
changeset
|
292 for (int i = 1; i < cp->length(); ++i) { |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
293 if (cp->is_pointer_entry(i)) { |
|
2379
b099aaf51bf8
6962931: move interned strings out of the perm gen
jcoomes
parents:
2229
diff
changeset
|
294 oop* base = cp->obj_at_addr_raw(i); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
295 if (PSScavenge::should_scavenge(base)) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
296 pm->claim_or_forward_depth(base); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
297 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
298 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
299 } |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
300 } |
| 0 | 301 } |
| 302 #endif // SERIALGC | |
| 303 | |
| 304 // Printing | |
| 305 | |
| 306 void constantPoolKlass::oop_print_on(oop obj, outputStream* st) { | |
| 307 EXCEPTION_MARK; | |
| 308 oop anObj; | |
| 309 assert(obj->is_constantPool(), "must be constantPool"); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
310 Klass::oop_print_on(obj, st); |
| 0 | 311 constantPoolOop cp = constantPoolOop(obj); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
312 if (cp->flags() != 0) { |
|
1573
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
313 st->print(" - flags: 0x%x", cp->flags()); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
314 if (cp->has_pseudo_string()) st->print(" has_pseudo_string"); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
315 if (cp->has_invokedynamic()) st->print(" has_invokedynamic"); |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
316 if (cp->has_preresolution()) st->print(" has_preresolution"); |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
317 st->cr(); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
318 } |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
319 if (cp->pool_holder() != NULL) { |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
320 bool extra = (instanceKlass::cast(cp->pool_holder())->constants() != cp); |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
321 st->print_cr(" - holder: " INTPTR_FORMAT "%s", cp->pool_holder(), (extra? " (extra)" : "")); |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
322 } |
|
1573
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
323 st->print_cr(" - cache: " INTPTR_FORMAT, cp->cache()); |
| 0 | 324 for (int index = 1; index < cp->length(); index++) { // Index 0 is unused |
| 325 st->print(" - %3d : ", index); | |
| 326 cp->tag_at(index).print_on(st); | |
| 327 st->print(" : "); | |
| 328 switch (cp->tag_at(index).value()) { | |
| 329 case JVM_CONSTANT_Class : | |
| 330 { anObj = cp->klass_at(index, CATCH); | |
| 331 anObj->print_value_on(st); | |
| 332 st->print(" {0x%lx}", (address)anObj); | |
| 333 } | |
| 334 break; | |
| 335 case JVM_CONSTANT_Fieldref : | |
| 336 case JVM_CONSTANT_Methodref : | |
| 337 case JVM_CONSTANT_InterfaceMethodref : | |
|
1573
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
338 st->print("klass_index=%d", cp->uncached_klass_ref_index_at(index)); |
|
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
339 st->print(" name_and_type_index=%d", cp->uncached_name_and_type_ref_index_at(index)); |
| 0 | 340 break; |
| 341 case JVM_CONSTANT_UnresolvedString : | |
| 342 case JVM_CONSTANT_String : | |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
343 if (cp->is_pseudo_string_at(index)) { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
344 anObj = cp->pseudo_string_at(index); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
345 } else { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
346 anObj = cp->string_at(index, CATCH); |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
347 } |
| 0 | 348 anObj->print_value_on(st); |
| 349 st->print(" {0x%lx}", (address)anObj); | |
| 350 break; | |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
351 case JVM_CONSTANT_Object : |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
352 anObj = cp->object_at(index); |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
353 anObj->print_value_on(st); |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
354 st->print(" {0x%lx}", (address)anObj); |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
355 break; |
| 0 | 356 case JVM_CONSTANT_Integer : |
| 357 st->print("%d", cp->int_at(index)); | |
| 358 break; | |
| 359 case JVM_CONSTANT_Float : | |
| 360 st->print("%f", cp->float_at(index)); | |
| 361 break; | |
| 362 case JVM_CONSTANT_Long : | |
| 363 st->print_jlong(cp->long_at(index)); | |
| 364 index++; // Skip entry following eigth-byte constant | |
| 365 break; | |
| 366 case JVM_CONSTANT_Double : | |
| 367 st->print("%lf", cp->double_at(index)); | |
| 368 index++; // Skip entry following eigth-byte constant | |
| 369 break; | |
| 370 case JVM_CONSTANT_NameAndType : | |
| 371 st->print("name_index=%d", cp->name_ref_index_at(index)); | |
| 372 st->print(" signature_index=%d", cp->signature_ref_index_at(index)); | |
| 373 break; | |
| 374 case JVM_CONSTANT_Utf8 : | |
| 375 cp->symbol_at(index)->print_value_on(st); | |
| 376 break; | |
| 377 case JVM_CONSTANT_UnresolvedClass : // fall-through | |
| 378 case JVM_CONSTANT_UnresolvedClassInError: { | |
| 379 // unresolved_klass_at requires lock or safe world. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
380 CPSlot entry = cp->slot_at(index); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
381 if (entry.is_oop()) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
382 entry.get_oop()->print_value_on(st); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
383 } else { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
384 entry.get_symbol()->print_value_on(st); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
385 } |
| 0 | 386 } |
| 387 break; | |
| 1602 | 388 case JVM_CONSTANT_MethodHandle : |
| 389 st->print("ref_kind=%d", cp->method_handle_ref_kind_at(index)); | |
| 390 st->print(" ref_index=%d", cp->method_handle_index_at(index)); | |
| 391 break; | |
| 392 case JVM_CONSTANT_MethodType : | |
| 393 st->print("signature_index=%d", cp->method_type_index_at(index)); | |
| 394 break; | |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
395 case JVM_CONSTANT_InvokeDynamic : |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
396 { |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
397 st->print("bootstrap_method_index=%d", cp->invoke_dynamic_bootstrap_method_ref_index_at(index)); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
398 st->print(" name_and_type_index=%d", cp->invoke_dynamic_name_and_type_ref_index_at(index)); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
399 int argc = cp->invoke_dynamic_argument_count_at(index); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
400 if (argc > 0) { |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
401 for (int arg_i = 0; arg_i < argc; arg_i++) { |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
402 int arg = cp->invoke_dynamic_argument_index_at(index, arg_i); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
403 st->print((arg_i == 0 ? " arguments={%d" : ", %d"), arg); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
404 } |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
405 st->print("}"); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
406 } |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
407 } |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
408 break; |
| 0 | 409 default: |
| 410 ShouldNotReachHere(); | |
| 411 break; | |
| 412 } | |
| 413 st->cr(); | |
| 414 } | |
| 415 st->cr(); | |
| 416 } | |
| 417 | |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
418 void constantPoolKlass::oop_print_value_on(oop obj, outputStream* st) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
419 assert(obj->is_constantPool(), "must be constantPool"); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
420 constantPoolOop cp = constantPoolOop(obj); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
421 st->print("constant pool [%d]", cp->length()); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
422 if (cp->has_pseudo_string()) st->print("/pseudo_string"); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
423 if (cp->has_invokedynamic()) st->print("/invokedynamic"); |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
424 if (cp->has_preresolution()) st->print("/preresolution"); |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
425 if (cp->operands() != NULL) st->print("/operands[%d]", cp->operands()->length()); |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
426 cp->print_address_on(st); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
427 st->print(" for "); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
428 cp->pool_holder()->print_value_on(st); |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
429 if (cp->pool_holder() != NULL) { |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
430 bool extra = (instanceKlass::cast(cp->pool_holder())->constants() != cp); |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
431 if (extra) st->print(" (extra)"); |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3368
diff
changeset
|
432 } |
|
1573
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
433 if (cp->cache() != NULL) { |
|
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
434 st->print(" cache=" PTR_FORMAT, cp->cache()); |
|
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1155
diff
changeset
|
435 } |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
726
diff
changeset
|
436 } |
| 0 | 437 |
| 438 const char* constantPoolKlass::internal_name() const { | |
| 439 return "{constant pool}"; | |
| 440 } | |
| 441 | |
| 442 // Verification | |
| 443 | |
| 444 void constantPoolKlass::oop_verify_on(oop obj, outputStream* st) { | |
| 445 Klass::oop_verify_on(obj, st); | |
| 446 guarantee(obj->is_constantPool(), "object must be constant pool"); | |
| 447 constantPoolOop cp = constantPoolOop(obj); | |
| 448 guarantee(cp->is_perm(), "should be in permspace"); | |
| 449 if (!cp->partially_loaded()) { | |
| 450 for (int i = 0; i< cp->length(); i++) { | |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
451 constantTag tag = cp->tag_at(i); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
452 CPSlot entry = cp->slot_at(i); |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
453 if (tag.is_klass()) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
454 if (entry.is_oop()) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
455 guarantee(entry.get_oop()->is_perm(), "should be in permspace"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
456 guarantee(entry.get_oop()->is_klass(), "should be klass"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
457 } |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
458 } else if (tag.is_unresolved_klass()) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
459 if (entry.is_oop()) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
460 guarantee(entry.get_oop()->is_perm(), "should be in permspace"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
461 guarantee(entry.get_oop()->is_klass(), "should be klass"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
462 } |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
463 } else if (tag.is_symbol()) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
464 guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count"); |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
465 } else if (tag.is_unresolved_string()) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
466 if (entry.is_oop()) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
467 guarantee(entry.get_oop()->is_perm(), "should be in permspace"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
468 guarantee(entry.get_oop()->is_instance(), "should be instance"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
469 } |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
470 else { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
471 guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
472 } |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
473 } else if (tag.is_string()) { |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
474 if (!cp->has_pseudo_string()) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
475 if (entry.is_oop()) { |
|
2379
b099aaf51bf8
6962931: move interned strings out of the perm gen
jcoomes
parents:
2229
diff
changeset
|
476 guarantee(!JavaObjectsInPerm || entry.get_oop()->is_perm(), |
|
b099aaf51bf8
6962931: move interned strings out of the perm gen
jcoomes
parents:
2229
diff
changeset
|
477 "should be in permspace"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
478 guarantee(entry.get_oop()->is_instance(), "should be instance"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
479 } |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
480 } else { |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
481 // can be non-perm, can be non-instance (array) |
|
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
482 } |
|
3368
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
483 } else if (tag.is_object()) { |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
484 assert(entry.get_oop()->is_oop(), "should be some valid oop"); |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
485 } else { |
|
69c94f488271
7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents
never
parents:
2468
diff
changeset
|
486 assert(!cp->is_pointer_entry(i), "unhandled oop type in constantPoolKlass::verify_on"); |
| 0 | 487 } |
| 488 } | |
| 489 guarantee(cp->tags()->is_perm(), "should be in permspace"); | |
| 490 guarantee(cp->tags()->is_typeArray(), "should be type array"); | |
| 491 if (cp->cache() != NULL) { | |
| 492 // Note: cache() can be NULL before a class is completely setup or | |
| 493 // in temporary constant pools used during constant pool merging | |
| 494 guarantee(cp->cache()->is_perm(), "should be in permspace"); | |
| 495 guarantee(cp->cache()->is_constantPoolCache(), "should be constant pool cache"); | |
| 496 } | |
|
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
497 if (cp->operands() != NULL) { |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
498 guarantee(cp->operands()->is_perm(), "should be in permspace"); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
499 guarantee(cp->operands()->is_typeArray(), "should be type array"); |
|
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1713
diff
changeset
|
500 } |
| 0 | 501 if (cp->pool_holder() != NULL) { |
| 502 // Note: pool_holder() can be NULL in temporary constant pools | |
| 503 // used during constant pool merging | |
| 504 guarantee(cp->pool_holder()->is_perm(), "should be in permspace"); | |
| 505 guarantee(cp->pool_holder()->is_klass(), "should be klass"); | |
| 506 } | |
| 507 } | |
| 508 } | |
| 509 | |
| 510 bool constantPoolKlass::oop_partially_loaded(oop obj) const { | |
| 511 assert(obj->is_constantPool(), "object must be constant pool"); | |
| 512 constantPoolOop cp = constantPoolOop(obj); | |
| 513 return cp->tags() == NULL || cp->pool_holder() == (klassOop) cp; // Check whether pool holder points to self | |
| 514 } | |
| 515 | |
| 516 | |
| 517 void constantPoolKlass::oop_set_partially_loaded(oop obj) { | |
| 518 assert(obj->is_constantPool(), "object must be constant pool"); | |
| 519 constantPoolOop cp = constantPoolOop(obj); | |
| 520 assert(cp->pool_holder() == NULL, "just checking"); | |
| 521 cp->set_pool_holder((klassOop) cp); // Temporarily set pool holder to point to self | |
| 522 } | |
| 523 | |
| 524 #ifndef PRODUCT | |
| 525 // CompileTheWorld support. Preload all classes loaded references in the passed in constantpool | |
| 526 void constantPoolKlass::preload_and_initialize_all_classes(oop obj, TRAPS) { | |
| 527 guarantee(obj->is_constantPool(), "object must be constant pool"); | |
| 528 constantPoolHandle cp(THREAD, (constantPoolOop)obj); | |
| 529 guarantee(!cp->partially_loaded(), "must be fully loaded"); | |
| 530 | |
| 531 for (int i = 0; i< cp->length(); i++) { | |
| 532 if (cp->tag_at(i).is_unresolved_klass()) { | |
| 533 // This will force loading of the class | |
| 534 klassOop klass = cp->klass_at(i, CHECK); | |
| 4060 | 535 if (klass->klass_part()->oop_is_instance()) { |
| 0 | 536 // Force initialization of class |
| 537 instanceKlass::cast(klass)->initialize(CHECK); | |
| 538 } | |
| 539 } | |
| 540 } | |
| 541 } | |
| 542 | |
| 543 #endif |