Mercurial > hg > truffle
annotate src/share/vm/oops/objArrayKlass.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Tue, 07 Apr 2015 14:58:49 +0200 |
| parents | 52b4284cb496 a8ea2f110d87 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
14378
48314d596a04
8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on
coleenp
parents:
14223
diff
changeset
|
2 * Copyright (c) 1997, 2014, 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:
1311
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1311
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:
1311
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
26 #include "classfile/symbolTable.hpp" |
| 1972 | 27 #include "classfile/systemDictionary.hpp" |
| 28 #include "classfile/vmSymbols.hpp" | |
| 29 #include "gc_implementation/shared/markSweep.inline.hpp" | |
| 30 #include "gc_interface/collectedHeap.inline.hpp" | |
| 31 #include "memory/genOopClosures.inline.hpp" | |
|
20268
4c1b88a53c74
8046670: Make CMS metadata aware closures applicable for other collectors
stefank
parents:
20197
diff
changeset
|
32 #include "memory/iterator.inline.hpp" |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
33 #include "memory/metadataFactory.hpp" |
| 1972 | 34 #include "memory/resourceArea.hpp" |
| 35 #include "memory/universe.inline.hpp" | |
| 36 #include "oops/instanceKlass.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
37 #include "oops/klass.inline.hpp" |
| 1972 | 38 #include "oops/objArrayKlass.hpp" |
| 39 #include "oops/objArrayKlass.inline.hpp" | |
| 40 #include "oops/objArrayOop.hpp" | |
| 41 #include "oops/oop.inline.hpp" | |
| 42 #include "oops/oop.inline2.hpp" | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2119
diff
changeset
|
43 #include "oops/symbol.hpp" |
| 1972 | 44 #include "runtime/handles.inline.hpp" |
| 45 #include "runtime/mutexLocker.hpp" | |
|
20197
ce8f6bb717c9
8042195: Introduce umbrella header orderAccess.inline.hpp.
goetz
parents:
17853
diff
changeset
|
46 #include "runtime/orderAccess.inline.hpp" |
| 1972 | 47 #include "utilities/copy.hpp" |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
48 #include "utilities/macros.hpp" |
|
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
49 #if INCLUDE_ALL_GCS |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
50 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp" |
| 1972 | 51 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
| 52 #include "gc_implementation/g1/g1OopClosures.inline.hpp" | |
| 53 #include "gc_implementation/g1/g1RemSet.inline.hpp" | |
|
20377
a8ea2f110d87
8054819: Rename HeapRegionSeq to HeapRegionManager
tschatzl
parents:
20268
diff
changeset
|
54 #include "gc_implementation/g1/heapRegionManager.inline.hpp" |
| 1972 | 55 #include "gc_implementation/parNew/parOopClosures.inline.hpp" |
| 56 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp" | |
| 57 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" | |
| 58 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
| 59 #include "oops/oop.pcgc.inline.hpp" | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
60 #endif // INCLUDE_ALL_GCS |
| 0 | 61 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
62 ObjArrayKlass* ObjArrayKlass::allocate(ClassLoaderData* loader_data, int n, KlassHandle klass_handle, Symbol* name, TRAPS) { |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
63 assert(ObjArrayKlass::header_size() <= InstanceKlass::header_size(), |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
64 "array klasses must be same size as InstanceKlass"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
65 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
66 int size = ArrayKlass::static_size(ObjArrayKlass::header_size()); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
67 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
68 return new (loader_data, size, THREAD) ObjArrayKlass(n, klass_handle, name); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
69 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
70 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
71 Klass* ObjArrayKlass::allocate_objArray_klass(ClassLoaderData* loader_data, |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
72 int n, KlassHandle element_klass, TRAPS) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
73 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
74 // Eagerly allocate the direct array supertype. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
75 KlassHandle super_klass = KlassHandle(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
76 if (!Universe::is_bootstrapping() || SystemDictionary::Object_klass_loaded()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
77 KlassHandle element_super (THREAD, element_klass->super()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
78 if (element_super.not_null()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
79 // The element type has a direct super. E.g., String[] has direct super of Object[]. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
80 super_klass = KlassHandle(THREAD, element_super->array_klass_or_null()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
81 bool supers_exist = super_klass.not_null(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
82 // Also, see if the element has secondary supertypes. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
83 // We need an array type for each. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
84 Array<Klass*>* element_supers = element_klass->secondary_supers(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
85 for( int i = element_supers->length()-1; i >= 0; i-- ) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
86 Klass* elem_super = element_supers->at(i); |
| 6983 | 87 if (elem_super->array_klass_or_null() == NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
88 supers_exist = false; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
89 break; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
90 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
91 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
92 if (!supers_exist) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
93 // Oops. Not allocated yet. Back out, allocate it, and retry. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
94 KlassHandle ek; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
95 { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
96 MutexUnlocker mu(MultiArray_lock); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
97 MutexUnlocker mc(Compile_lock); // for vtables |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
98 Klass* sk = element_super->array_klass(CHECK_0); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
99 super_klass = KlassHandle(THREAD, sk); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
100 for( int i = element_supers->length()-1; i >= 0; i-- ) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
101 KlassHandle elem_super (THREAD, element_supers->at(i)); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
102 elem_super->array_klass(CHECK_0); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
103 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
104 // Now retry from the beginning |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
105 Klass* klass_oop = element_klass->array_klass(n, CHECK_0); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
106 // Create a handle because the enclosing brace, when locking |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
107 // can cause a gc. Better to have this function return a Handle. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
108 ek = KlassHandle(THREAD, klass_oop); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
109 } // re-lock |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
110 return ek(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
111 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
112 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
113 // The element type is already Object. Object[] has direct super of Object. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
114 super_klass = KlassHandle(THREAD, SystemDictionary::Object_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
115 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
116 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
117 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
118 // Create type name for klass. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
119 Symbol* name = NULL; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
120 if (!element_klass->oop_is_instance() || |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
121 (name = InstanceKlass::cast(element_klass())->array_name()) == NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
122 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
123 ResourceMark rm(THREAD); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
124 char *name_str = element_klass->name()->as_C_string(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
125 int len = element_klass->name()->utf8_length(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
126 char *new_str = NEW_RESOURCE_ARRAY(char, len + 4); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
127 int idx = 0; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
128 new_str[idx++] = '['; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
129 if (element_klass->oop_is_instance()) { // it could be an array or simple type |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
130 new_str[idx++] = 'L'; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
131 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
132 memcpy(&new_str[idx], name_str, len * sizeof(char)); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
133 idx += len; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
134 if (element_klass->oop_is_instance()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
135 new_str[idx++] = ';'; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
136 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
137 new_str[idx++] = '\0'; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
138 name = SymbolTable::new_permanent_symbol(new_str, CHECK_0); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
139 if (element_klass->oop_is_instance()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
140 InstanceKlass* ik = InstanceKlass::cast(element_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
141 ik->set_array_name(name); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
142 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
143 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
144 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
145 // Initialize instance variables |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
146 ObjArrayKlass* oak = ObjArrayKlass::allocate(loader_data, n, element_klass, name, CHECK_0); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
147 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
148 // Add all classes to our internal class loader list here, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
149 // including classes in the bootstrap (NULL) class loader. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
150 // GC walks these as strong roots. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
151 loader_data->add_class(oak); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
152 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
153 // Call complete_create_array_klass after all instance variables has been initialized. |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
154 ArrayKlass::complete_create_array_klass(oak, super_klass, CHECK_0); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
155 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
156 return oak; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
157 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
158 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
159 ObjArrayKlass::ObjArrayKlass(int n, KlassHandle element_klass, Symbol* name) : ArrayKlass(name) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
160 this->set_dimension(n); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
161 this->set_element_klass(element_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
162 // decrement refcount because object arrays are not explicitly freed. The |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
163 // InstanceKlass array_name() keeps the name counted while the klass is |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
164 // loaded. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
165 name->decrement_refcount(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
166 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
167 Klass* bk; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
168 if (element_klass->oop_is_objArray()) { |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
169 bk = ObjArrayKlass::cast(element_klass())->bottom_klass(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
170 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
171 bk = element_klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
172 } |
| 6983 | 173 assert(bk != NULL && (bk->oop_is_instance() || bk->oop_is_typeArray()), "invalid bottom klass"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
174 this->set_bottom_klass(bk); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
175 this->set_class_loader_data(bk->class_loader_data()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
176 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
177 this->set_layout_helper(array_layout_helper(T_OBJECT)); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
178 assert(this->oop_is_array(), "sanity"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
179 assert(this->oop_is_objArray(), "sanity"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
180 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
181 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
182 int ObjArrayKlass::oop_size(oop obj) const { |
| 0 | 183 assert(obj->is_objArray(), "must be object array"); |
| 184 return objArrayOop(obj)->object_size(); | |
| 185 } | |
| 186 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
187 objArrayOop ObjArrayKlass::allocate(int length, TRAPS) { |
| 0 | 188 if (length >= 0) { |
| 189 if (length <= arrayOopDesc::max_array_length(T_OBJECT)) { | |
| 190 int size = objArrayOopDesc::object_size(length); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
191 KlassHandle h_k(THREAD, this); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
192 return (objArrayOop)CollectedHeap::array_allocate(h_k, size, length, CHECK_NULL); |
| 0 | 193 } else { |
|
876
1413494da700
6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit
martin
parents:
665
diff
changeset
|
194 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:
2227
diff
changeset
|
195 JvmtiExport::post_array_size_exhausted(); |
| 0 | 196 THROW_OOP_0(Universe::out_of_memory_error_array_size()); |
| 197 } | |
| 198 } else { | |
| 199 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 static int multi_alloc_counter = 0; | |
| 204 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
205 oop ObjArrayKlass::multi_allocate(int rank, jint* sizes, TRAPS) { |
| 0 | 206 int length = *sizes; |
| 207 // Call to lower_dimension uses this pointer, so most be called before a | |
| 208 // possible GC | |
| 209 KlassHandle h_lower_dimension(THREAD, lower_dimension()); | |
| 210 // If length < 0 allocate will throw an exception. | |
| 211 objArrayOop array = allocate(length, CHECK_NULL); | |
| 212 objArrayHandle h_array (THREAD, array); | |
| 213 if (rank > 1) { | |
| 214 if (length != 0) { | |
| 215 for (int index = 0; index < length; index++) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
216 ArrayKlass* ak = ArrayKlass::cast(h_lower_dimension()); |
| 0 | 217 oop sub_array = ak->multi_allocate(rank-1, &sizes[1], CHECK_NULL); |
| 218 h_array->obj_at_put(index, sub_array); | |
| 219 } | |
| 220 } else { | |
| 221 // Since this array dimension has zero length, nothing will be | |
| 222 // allocated, however the lower dimension values must be checked | |
| 223 // for illegal values. | |
| 224 for (int i = 0; i < rank - 1; ++i) { | |
| 225 sizes += 1; | |
| 226 if (*sizes < 0) { | |
| 227 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); | |
| 228 } | |
| 229 } | |
| 230 } | |
| 231 } | |
| 232 return h_array(); | |
| 233 } | |
| 234 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
235 // Either oop or narrowOop depending on UseCompressedOops. |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
236 template <class T> void ObjArrayKlass::do_copy(arrayOop s, T* src, |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
237 arrayOop d, T* dst, int length, TRAPS) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
238 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
239 BarrierSet* bs = Universe::heap()->barrier_set(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
240 // For performance reasons, we assume we are that the write barrier we |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
241 // are using has optimized modes for arrays of references. At least one |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
242 // of the asserts below will fail if this is not the case. |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
243 assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt"); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
244 assert(bs->has_write_ref_array_pre_opt(), "For pre-barrier as well."); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
245 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
246 if (s == d) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
247 // since source and destination are equal we do not need conversion checks. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
248 assert(length > 0, "sanity check"); |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
665
diff
changeset
|
249 bs->write_ref_array_pre(dst, length); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
250 Copy::conjoint_oops_atomic(src, dst, length); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
251 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
252 // We have to make sure all elements conform to the destination array |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
253 Klass* bound = ObjArrayKlass::cast(d->klass())->element_klass(); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
254 Klass* stype = ObjArrayKlass::cast(s->klass())->element_klass(); |
| 6983 | 255 if (stype == bound || stype->is_subtype_of(bound)) { |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
256 // elements are guaranteed to be subtypes, so no check necessary |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
665
diff
changeset
|
257 bs->write_ref_array_pre(dst, length); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
258 Copy::conjoint_oops_atomic(src, dst, length); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
259 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
260 // slow case: need individual subtype checks |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
261 // note: don't use obj_at_put below because it includes a redundant store check |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
262 T* from = src; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
263 T* end = from + length; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
264 for (T* p = dst; from < end; from++, p++) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
265 // XXX this is going to be slow. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
266 T element = *from; |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
267 // even slower now |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
268 bool element_is_null = oopDesc::is_null(element); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
269 oop new_val = element_is_null ? oop(NULL) |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
270 : oopDesc::decode_heap_oop_not_null(element); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
271 if (element_is_null || |
| 6983 | 272 (new_val->klass())->is_subtype_of(bound)) { |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
273 bs->write_ref_field_pre(p, new_val); |
| 17536 | 274 *p = element; |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
275 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
276 // We must do a barrier to cover the partial copy. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
277 const size_t pd = pointer_delta(p, dst, (size_t)heapOopSize); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
278 // pointer delta is scaled to number of elements (length field in |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
279 // objArrayOop) which we assume is 32 bit. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
280 assert(pd == (size_t)(int)pd, "length field overflow"); |
|
1091
6aa7255741f3
6906727: UseCompressedOops: some card-marking fixes related to object arrays
ysr
parents:
879
diff
changeset
|
281 bs->write_ref_array((HeapWord*)dst, pd); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
282 THROW(vmSymbols::java_lang_ArrayStoreException()); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
283 return; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
284 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
285 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
286 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
287 } |
|
1091
6aa7255741f3
6906727: UseCompressedOops: some card-marking fixes related to object arrays
ysr
parents:
879
diff
changeset
|
288 bs->write_ref_array((HeapWord*)dst, length); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
289 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
290 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
291 void ObjArrayKlass::copy_array(arrayOop s, int src_pos, arrayOop d, |
| 0 | 292 int dst_pos, int length, TRAPS) { |
| 293 assert(s->is_objArray(), "must be obj array"); | |
| 294 | |
| 295 if (!d->is_objArray()) { | |
| 296 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 297 } | |
| 298 | |
| 299 // Check is all offsets and lengths are non negative | |
| 300 if (src_pos < 0 || dst_pos < 0 || length < 0) { | |
| 301 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); | |
| 302 } | |
| 303 // Check if the ranges are valid | |
| 304 if ( (((unsigned int) length + (unsigned int) src_pos) > (unsigned int) s->length()) | |
| 305 || (((unsigned int) length + (unsigned int) dst_pos) > (unsigned int) d->length()) ) { | |
| 306 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); | |
| 307 } | |
| 308 | |
| 309 // Special case. Boundary cases must be checked first | |
| 310 // This allows the following call: copy_array(s, s.length(), d.length(), 0). | |
| 311 // This is correct, since the position is supposed to be an 'in between point', i.e., s.length(), | |
| 312 // points to the right of the last element. | |
| 313 if (length==0) { | |
| 314 return; | |
| 315 } | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
316 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
317 narrowOop* const src = objArrayOop(s)->obj_at_addr<narrowOop>(src_pos); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
318 narrowOop* const dst = objArrayOop(d)->obj_at_addr<narrowOop>(dst_pos); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
319 do_copy<narrowOop>(s, src, d, dst, length, CHECK); |
| 0 | 320 } else { |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
321 oop* const src = objArrayOop(s)->obj_at_addr<oop>(src_pos); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
322 oop* const dst = objArrayOop(d)->obj_at_addr<oop>(dst_pos); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
323 do_copy<oop> (s, src, d, dst, length, CHECK); |
| 0 | 324 } |
| 325 } | |
| 326 | |
| 327 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
328 Klass* ObjArrayKlass::array_klass_impl(bool or_null, int n, TRAPS) { |
| 0 | 329 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
330 assert(dimension() <= n, "check order of chain"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
331 int dim = dimension(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
332 if (dim == n) return this; |
| 0 | 333 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
334 if (higher_dimension() == NULL) { |
| 0 | 335 if (or_null) return NULL; |
| 336 | |
| 337 ResourceMark rm; | |
| 338 JavaThread *jt = (JavaThread *)THREAD; | |
| 339 { | |
| 340 MutexLocker mc(Compile_lock, THREAD); // for vtables | |
| 341 // Ensure atomic creation of higher dimensions | |
| 342 MutexLocker mu(MultiArray_lock, THREAD); | |
| 343 | |
| 344 // Check if another thread beat us | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
345 if (higher_dimension() == NULL) { |
| 0 | 346 |
| 347 // Create multi-dim klass object and link them together | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
348 Klass* k = |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
349 ObjArrayKlass::allocate_objArray_klass(class_loader_data(), dim + 1, this, CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
350 ObjArrayKlass* ak = ObjArrayKlass::cast(k); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
351 ak->set_lower_dimension(this); |
| 2119 | 352 OrderAccess::storestore(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
353 set_higher_dimension(ak); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
354 assert(ak->oop_is_objArray(), "incorrect initialization of ObjArrayKlass"); |
| 0 | 355 } |
| 356 } | |
| 357 } else { | |
| 358 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); | |
| 359 } | |
| 360 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
361 ObjArrayKlass *ak = ObjArrayKlass::cast(higher_dimension()); |
| 0 | 362 if (or_null) { |
| 363 return ak->array_klass_or_null(n); | |
| 364 } | |
| 365 return ak->array_klass(n, CHECK_NULL); | |
| 366 } | |
| 367 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
368 Klass* ObjArrayKlass::array_klass_impl(bool or_null, TRAPS) { |
| 0 | 369 return array_klass_impl(or_null, dimension() + 1, CHECK_NULL); |
| 370 } | |
| 371 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
372 bool ObjArrayKlass::can_be_primary_super_slow() const { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
373 if (!bottom_klass()->can_be_primary_super()) |
| 0 | 374 // array of interfaces |
| 375 return false; | |
| 376 else | |
| 377 return Klass::can_be_primary_super_slow(); | |
| 378 } | |
| 379 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
380 GrowableArray<Klass*>* ObjArrayKlass::compute_secondary_supers(int num_extra_slots) { |
| 0 | 381 // interfaces = { cloneable_klass, serializable_klass, elemSuper[], ... }; |
| 6983 | 382 Array<Klass*>* elem_supers = element_klass()->secondary_supers(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
383 int num_elem_supers = elem_supers == NULL ? 0 : elem_supers->length(); |
| 0 | 384 int num_secondaries = num_extra_slots + 2 + num_elem_supers; |
| 385 if (num_secondaries == 2) { | |
| 386 // Must share this for correct bootstrapping! | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
387 set_secondary_supers(Universe::the_array_interfaces_array()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
388 return NULL; |
| 0 | 389 } else { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
390 GrowableArray<Klass*>* secondaries = new GrowableArray<Klass*>(num_elem_supers+2); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
391 secondaries->push(SystemDictionary::Cloneable_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
392 secondaries->push(SystemDictionary::Serializable_klass()); |
| 0 | 393 for (int i = 0; i < num_elem_supers; i++) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
394 Klass* elem_super = (Klass*) elem_supers->at(i); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
395 Klass* array_super = elem_super->array_klass_or_null(); |
| 0 | 396 assert(array_super != NULL, "must already have been created"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
397 secondaries->push(array_super); |
| 0 | 398 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
399 return secondaries; |
| 0 | 400 } |
| 401 } | |
| 402 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
403 bool ObjArrayKlass::compute_is_subtype_of(Klass* k) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
404 if (!k->oop_is_objArray()) |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
405 return ArrayKlass::compute_is_subtype_of(k); |
| 0 | 406 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
407 ObjArrayKlass* oak = ObjArrayKlass::cast(k); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
408 return element_klass()->is_subtype_of(oak->element_klass()); |
| 0 | 409 } |
| 410 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
411 void ObjArrayKlass::initialize(TRAPS) { |
| 6983 | 412 bottom_klass()->initialize(THREAD); // dispatches to either InstanceKlass or TypeArrayKlass |
| 0 | 413 } |
| 414 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
415 #define ObjArrayKlass_SPECIALIZED_OOP_ITERATE(T, a, p, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
416 { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
417 T* p = (T*)(a)->base(); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
418 T* const end = p + (a)->length(); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
419 while (p < end) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
420 do_oop; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
421 p++; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
422 } \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
423 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
424 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
425 #define ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(T, a, p, low, high, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
426 { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
427 T* const l = (T*)(low); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
428 T* const h = (T*)(high); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
429 T* p = (T*)(a)->base(); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
430 T* end = p + (a)->length(); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
431 if (p < l) p = l; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
432 if (end > h) end = h; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
433 while (p < end) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
434 do_oop; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
435 ++p; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
436 } \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
437 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
438 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
439 #define ObjArrayKlass_OOP_ITERATE(a, p, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
440 if (UseCompressedOops) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
441 ObjArrayKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
442 a, p, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
443 } else { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
444 ObjArrayKlass_SPECIALIZED_OOP_ITERATE(oop, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
445 a, p, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
446 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
447 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
448 #define ObjArrayKlass_BOUNDED_OOP_ITERATE(a, p, low, high, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
449 if (UseCompressedOops) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
450 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
451 a, p, low, high, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
452 } else { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
453 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
454 a, p, low, high, do_oop) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
455 } |
| 0 | 456 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
457 void ObjArrayKlass::oop_follow_contents(oop obj) { |
| 0 | 458 assert (obj->is_array(), "obj must be array"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
459 MarkSweep::follow_klass(obj->klass()); |
|
1311
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
460 if (UseCompressedOops) { |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
461 objarray_follow_contents<narrowOop>(obj, 0); |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
462 } else { |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
463 objarray_follow_contents<oop>(obj, 0); |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
464 } |
| 0 | 465 } |
| 466 | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
467 #if INCLUDE_ALL_GCS |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
468 void ObjArrayKlass::oop_follow_contents(ParCompactionManager* cm, |
| 0 | 469 oop obj) { |
|
1311
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
470 assert(obj->is_array(), "obj must be array"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
471 PSParallelCompact::follow_klass(cm, obj->klass()); |
|
1311
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
472 if (UseCompressedOops) { |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
473 objarray_follow_contents<narrowOop>(cm, obj, 0); |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
474 } else { |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
475 objarray_follow_contents<oop>(cm, obj, 0); |
|
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1155
diff
changeset
|
476 } |
| 0 | 477 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
478 #endif // INCLUDE_ALL_GCS |
| 0 | 479 |
| 480 #define ObjArrayKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \ | |
| 481 \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
482 int ObjArrayKlass::oop_oop_iterate##nv_suffix(oop obj, \ |
| 0 | 483 OopClosureType* closure) { \ |
| 484 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::oa); \ | |
| 485 assert (obj->is_array(), "obj must be array"); \ | |
| 486 objArrayOop a = objArrayOop(obj); \ | |
| 487 /* Get size before changing pointers. */ \ | |
| 488 /* Don't call size() or oop_size() since that is a virtual call. */ \ | |
| 489 int size = a->object_size(); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
490 if_do_metadata_checked(closure, nv_suffix) { \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
491 closure->do_klass##nv_suffix(obj->klass()); \ |
| 0 | 492 } \ |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
493 ObjArrayKlass_OOP_ITERATE(a, p, (closure)->do_oop##nv_suffix(p)) \ |
| 0 | 494 return size; \ |
| 495 } | |
| 496 | |
| 497 #define ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \ | |
| 498 \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
499 int ObjArrayKlass::oop_oop_iterate##nv_suffix##_m(oop obj, \ |
| 0 | 500 OopClosureType* closure, \ |
| 501 MemRegion mr) { \ | |
| 502 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::oa); \ | |
| 503 assert(obj->is_array(), "obj must be array"); \ | |
| 504 objArrayOop a = objArrayOop(obj); \ | |
| 505 /* Get size before changing pointers. */ \ | |
| 506 /* Don't call size() or oop_size() since that is a virtual call */ \ | |
| 507 int size = a->object_size(); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
508 if_do_metadata_checked(closure, nv_suffix) { \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
509 /* SSS: Do we need to pass down mr here? */ \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
510 closure->do_klass##nv_suffix(a->klass()); \ |
| 0 | 511 } \ |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
512 ObjArrayKlass_BOUNDED_OOP_ITERATE( \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
513 a, p, mr.start(), mr.end(), (closure)->do_oop##nv_suffix(p)) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
514 return size; \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
515 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
516 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
517 // Like oop_oop_iterate but only iterates over a specified range and only used |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
518 // for objArrayOops. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
519 #define ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r(OopClosureType, nv_suffix) \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
520 \ |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
521 int ObjArrayKlass::oop_oop_iterate_range##nv_suffix(oop obj, \ |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
522 OopClosureType* closure, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
523 int start, int end) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
524 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::oa); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
525 assert(obj->is_array(), "obj must be array"); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
526 objArrayOop a = objArrayOop(obj); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
527 /* Get size before changing pointers. */ \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
528 /* Don't call size() or oop_size() since that is a virtual call */ \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
529 int size = a->object_size(); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
530 if (UseCompressedOops) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
531 HeapWord* low = start == 0 ? (HeapWord*)a : (HeapWord*)a->obj_at_addr<narrowOop>(start);\ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
532 /* this might be wierd if end needs to be aligned on HeapWord boundary */ \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
533 HeapWord* high = (HeapWord*)((narrowOop*)a->base() + end); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
534 MemRegion mr(low, high); \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
535 if_do_metadata_checked(closure, nv_suffix) { \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
536 /* SSS: Do we need to pass down mr here? */ \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
537 closure->do_klass##nv_suffix(a->klass()); \ |
| 0 | 538 } \ |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
539 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
540 a, p, low, high, (closure)->do_oop##nv_suffix(p)) \ |
| 0 | 541 } else { \ |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
542 HeapWord* low = start == 0 ? (HeapWord*)a : (HeapWord*)a->obj_at_addr<oop>(start); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
543 HeapWord* high = (HeapWord*)((oop*)a->base() + end); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
544 MemRegion mr(low, high); \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
545 if_do_metadata_checked(closure, nv_suffix) { \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
546 /* SSS: Do we need to pass down mr here? */ \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
547 closure->do_klass##nv_suffix(a->klass()); \ |
| 0 | 548 } \ |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
549 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
550 a, p, low, high, (closure)->do_oop##nv_suffix(p)) \ |
| 0 | 551 } \ |
| 552 return size; \ | |
| 553 } | |
| 554 | |
| 555 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DEFN) | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
556 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DEFN) |
| 0 | 557 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m) |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
558 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m) |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
559 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r) |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
560 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r) |
| 0 | 561 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
562 int ObjArrayKlass::oop_adjust_pointers(oop obj) { |
| 0 | 563 assert(obj->is_objArray(), "obj must be obj array"); |
| 564 objArrayOop a = objArrayOop(obj); | |
| 565 // Get size before changing pointers. | |
| 566 // Don't call size() or oop_size() since that is a virtual call. | |
| 567 int size = a->object_size(); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
568 ObjArrayKlass_OOP_ITERATE(a, p, MarkSweep::adjust_pointer(p)) |
| 0 | 569 return size; |
| 570 } | |
| 571 | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
572 #if INCLUDE_ALL_GCS |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
573 void ObjArrayKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { |
| 0 | 574 assert(obj->is_objArray(), "obj must be obj array"); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
575 ObjArrayKlass_OOP_ITERATE( \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
576 objArrayOop(obj), p, \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
577 if (PSScavenge::should_scavenge(p)) { \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
578 pm->claim_or_forward_depth(p); \ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
579 }) |
| 0 | 580 } |
| 581 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
582 int ObjArrayKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { |
| 0 | 583 assert (obj->is_objArray(), "obj must be obj array"); |
| 584 objArrayOop a = objArrayOop(obj); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
585 int size = a->object_size(); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
586 ObjArrayKlass_OOP_ITERATE(a, p, PSParallelCompact::adjust_pointer(p)) |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
587 return size; |
| 0 | 588 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7185
diff
changeset
|
589 #endif // INCLUDE_ALL_GCS |
| 0 | 590 |
| 591 // JVM support | |
| 592 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
593 jint ObjArrayKlass::compute_modifier_flags(TRAPS) const { |
| 0 | 594 // The modifier for an objectArray is the same as its element |
| 595 if (element_klass() == NULL) { | |
| 596 assert(Universe::is_bootstrapping(), "partial objArray only at startup"); | |
| 597 return JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC; | |
| 598 } | |
|
398
443791f333a2
6700107: java/lang/Class/forName/TooManyDimensions.java crashes with SIGSEGV in c2 compiler with fastdebug
coleenp
parents:
356
diff
changeset
|
599 // Return the flags of the bottom element type. |
| 6983 | 600 jint element_flags = bottom_klass()->compute_modifier_flags(CHECK_0); |
| 0 | 601 |
| 602 return (element_flags & (JVM_ACC_PUBLIC | JVM_ACC_PRIVATE | JVM_ACC_PROTECTED)) | |
| 603 | (JVM_ACC_ABSTRACT | JVM_ACC_FINAL); | |
| 604 } | |
| 605 | |
| 606 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
607 // Printing |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
608 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
609 void ObjArrayKlass::print_on(outputStream* st) const { |
| 0 | 610 #ifndef PRODUCT |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
611 Klass::print_on(st); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
612 st->print(" - instance klass: "); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
613 element_klass()->print_value_on(st); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
614 st->cr(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
615 #endif //PRODUCT |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
616 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
617 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
618 void ObjArrayKlass::print_value_on(outputStream* st) const { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
619 assert(is_klass(), "must be klass"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
620 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
621 element_klass()->print_value_on(st); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
622 st->print("[]"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
623 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
624 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
625 #ifndef PRODUCT |
| 0 | 626 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
627 void ObjArrayKlass::oop_print_on(oop obj, outputStream* st) { |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
628 ArrayKlass::oop_print_on(obj, st); |
| 0 | 629 assert(obj->is_objArray(), "must be objArray"); |
| 630 objArrayOop oa = objArrayOop(obj); | |
| 631 int print_len = MIN2((intx) oa->length(), MaxElementPrintSize); | |
| 632 for(int index = 0; index < print_len; index++) { | |
| 633 st->print(" - %3d : ", index); | |
| 634 oa->obj_at(index)->print_value_on(st); | |
| 635 st->cr(); | |
| 636 } | |
| 637 int remaining = oa->length() - print_len; | |
| 638 if (remaining > 0) { | |
|
6815
86af3dacab81
8000227: [obj|type]ArrayKlass::oop_print_on prints one line to tty instead of the provided output stream
stefank
parents:
6725
diff
changeset
|
639 st->print_cr(" - <%d more elements, increase MaxElementPrintSize to print>", remaining); |
| 0 | 640 } |
| 641 } | |
| 642 | |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1142
diff
changeset
|
643 #endif //PRODUCT |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1142
diff
changeset
|
644 |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
645 static int max_objArray_print_length = 4; |
| 0 | 646 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
647 void ObjArrayKlass::oop_print_value_on(oop obj, outputStream* st) { |
| 0 | 648 assert(obj->is_objArray(), "must be objArray"); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
649 st->print("a "); |
| 0 | 650 element_klass()->print_value_on(st); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
651 int len = objArrayOop(obj)->length(); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
652 st->print("[%d] ", len); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
653 obj->print_address_on(st); |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1142
diff
changeset
|
654 if (NOT_PRODUCT(PrintOopAddress ||) PrintMiscellaneous && (WizardMode || Verbose)) { |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
655 st->print("{"); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
656 for (int i = 0; i < len; i++) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
657 if (i > max_objArray_print_length) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
658 st->print("..."); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
659 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
660 st->print(" "INTPTR_FORMAT, (intptr_t)(void*)objArrayOop(obj)->obj_at(i)); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
661 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
662 st->print(" }"); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
398
diff
changeset
|
663 } |
| 0 | 664 } |
| 665 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
666 const char* ObjArrayKlass::internal_name() const { |
| 0 | 667 return external_name(); |
| 668 } | |
| 669 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
670 |
| 0 | 671 // Verification |
| 672 | |
|
14378
48314d596a04
8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on
coleenp
parents:
14223
diff
changeset
|
673 void ObjArrayKlass::verify_on(outputStream* st) { |
|
48314d596a04
8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on
coleenp
parents:
14223
diff
changeset
|
674 ArrayKlass::verify_on(st); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
675 guarantee(element_klass()->is_klass(), "should be klass"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
676 guarantee(bottom_klass()->is_klass(), "should be klass"); |
| 6983 | 677 Klass* bk = bottom_klass(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
678 guarantee(bk->oop_is_instance() || bk->oop_is_typeArray(), "invalid bottom klass"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
679 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
680 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
681 void ObjArrayKlass::oop_verify_on(oop obj, outputStream* st) { |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
682 ArrayKlass::oop_verify_on(obj, st); |
| 0 | 683 guarantee(obj->is_objArray(), "must be objArray"); |
| 684 objArrayOop oa = objArrayOop(obj); | |
| 685 for(int index = 0; index < oa->length(); index++) { | |
| 686 guarantee(oa->obj_at(index)->is_oop_or_null(), "should be oop"); | |
| 687 } | |
| 688 } |