Mercurial > hg > truffle
annotate src/share/vm/oops/instanceKlass.hpp @ 14247:2e96b2d61686
8031530: [TESTBUG] Enable test runtime/LoadClass/LoadClassNegative.java
Summary: Re-enabled the test. The issue that prevents this test from running was fixed by 8020675
Reviewed-by: sla, ccheung
author | zgu |
---|---|
date | Mon, 13 Jan 2014 10:05:37 -0500 |
parents | 2353011244bd |
children | cd6b3f1a94ff 85318d1fe8fe |
rev | line source |
---|---|
0 | 1 /* |
7956 | 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
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 #ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP |
26 #define SHARE_VM_OOPS_INSTANCEKLASS_HPP | |
27 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
28 #include "classfile/classLoaderData.hpp" |
10405 | 29 #include "memory/referenceType.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
30 #include "oops/annotations.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
31 #include "oops/constMethod.hpp" |
3938 | 32 #include "oops/fieldInfo.hpp" |
1972 | 33 #include "oops/instanceOop.hpp" |
34 #include "oops/klassVtable.hpp" | |
7464
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
6972
diff
changeset
|
35 #include "runtime/atomic.hpp" |
1972 | 36 #include "runtime/handles.hpp" |
37 #include "runtime/os.hpp" | |
38 #include "utilities/accessFlags.hpp" | |
39 #include "utilities/bitMap.inline.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7596
diff
changeset
|
40 #include "utilities/macros.hpp" |
10405 | 41 #include "trace/traceMacros.hpp" |
1972 | 42 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
43 // An InstanceKlass is the VM level representation of a Java class. |
0 | 44 // It contains all information needed for at class at execution runtime. |
45 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
46 // InstanceKlass layout: |
0 | 47 // [C++ vtbl pointer ] Klass |
48 // [subtype cache ] Klass | |
49 // [instance size ] Klass | |
50 // [java mirror ] Klass | |
51 // [super ] Klass | |
52 // [access_flags ] Klass | |
53 // [name ] Klass | |
54 // [first subklass ] Klass | |
55 // [next sibling ] Klass | |
56 // [array klasses ] | |
57 // [methods ] | |
58 // [local interfaces ] | |
59 // [transitive interfaces ] | |
60 // [fields ] | |
61 // [constants ] | |
62 // [class loader ] | |
63 // [source file name ] | |
64 // [inner classes ] | |
65 // [static field size ] | |
66 // [nonstatic field size ] | |
67 // [static oop fields size ] | |
68 // [nonstatic oop maps size ] | |
69 // [has finalize method ] | |
70 // [deoptimization mark bit ] | |
71 // [initialization state ] | |
72 // [initializing thread ] | |
73 // [Java vtable length ] | |
74 // [oop map cache (stack maps) ] | |
75 // [EMBEDDED Java vtable ] size in words = vtable_len | |
76 // [EMBEDDED nonstatic oop-map blocks] size in words = nonstatic_oop_map_size | |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
77 // The embedded nonstatic oop-map blocks are short pairs (offset, length) |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
78 // indicating where oops are located in instances of this klass. |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
79 // [EMBEDDED implementor of the interface] only exist for interface |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
80 // [EMBEDDED host klass ] only exist for an anonymous class (JSR 292 enabled) |
0 | 81 |
82 | |
83 // forward declaration for class -- see below for definition | |
84 class SuperTypeClosure; | |
85 class JNIid; | |
86 class jniIdMapBase; | |
87 class BreakpointInfo; | |
88 class fieldDescriptor; | |
89 class DepChange; | |
90 class nmethodBucket; | |
91 class PreviousVersionNode; | |
92 class JvmtiCachedClassFieldMap; | |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
8719
diff
changeset
|
93 class MemberNameTable; |
0 | 94 |
95 // This is used in iterators below. | |
96 class FieldClosure: public StackObj { | |
97 public: | |
98 virtual void do_field(fieldDescriptor* fd) = 0; | |
99 }; | |
100 | |
101 #ifndef PRODUCT | |
102 // Print fields. | |
103 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields. | |
104 class FieldPrinter: public FieldClosure { | |
105 oop _obj; | |
106 outputStream* _st; | |
107 public: | |
108 FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {} | |
109 void do_field(fieldDescriptor* fd); | |
110 }; | |
111 #endif // !PRODUCT | |
112 | |
938 | 113 // ValueObjs embedded in klass. Describes where oops are located in instances of |
114 // this klass. | |
115 class OopMapBlock VALUE_OBJ_CLASS_SPEC { | |
116 public: | |
117 // Byte offset of the first oop mapped by this block. | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
118 int offset() const { return _offset; } |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
119 void set_offset(int offset) { _offset = offset; } |
938 | 120 |
121 // Number of oops in this block. | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
122 uint count() const { return _count; } |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
123 void set_count(uint count) { _count = count; } |
938 | 124 |
125 // sizeof(OopMapBlock) in HeapWords. | |
126 static const int size_in_words() { | |
127 return align_size_up(int(sizeof(OopMapBlock)), HeapWordSize) >> | |
128 LogHeapWordSize; | |
129 } | |
130 | |
131 private: | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
132 int _offset; |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
133 uint _count; |
938 | 134 }; |
135 | |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
136 struct JvmtiCachedClassFileData; |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
137 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
138 class InstanceKlass: public Klass { |
0 | 139 friend class VMStructs; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
140 friend class ClassFileParser; |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6934
diff
changeset
|
141 friend class CompileReplay; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
142 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
143 protected: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
144 // Constructor |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
145 InstanceKlass(int vtable_len, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
146 int itable_len, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
147 int static_field_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
148 int nonstatic_oop_map_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
149 ReferenceType rt, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
150 AccessFlags access_flags, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
151 bool is_anonymous); |
0 | 152 public: |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
153 static InstanceKlass* allocate_instance_klass( |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
154 ClassLoaderData* loader_data, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
155 int vtable_len, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
156 int itable_len, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
157 int static_field_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
158 int nonstatic_oop_map_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
159 ReferenceType rt, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
160 AccessFlags access_flags, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
161 Symbol* name, |
8031 | 162 Klass* super_klass, |
163 bool is_anonymous, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
164 TRAPS); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
165 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
166 InstanceKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
167 |
0 | 168 // See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description |
169 // of the class loading & initialization procedure, and the use of the states. | |
170 enum ClassState { | |
171 allocated, // allocated (but not yet linked) | |
172 loaded, // loaded and inserted in class hierarchy (but not linked yet) | |
173 linked, // successfully linked/verified (but not initialized yet) | |
174 being_initialized, // currently running class initializer | |
175 fully_initialized, // initialized (successfull final state) | |
176 initialization_error // error happened during initialization | |
177 }; | |
178 | |
7464
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
6972
diff
changeset
|
179 static int number_of_instance_classes() { return _total_instanceKlass_count; } |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
6972
diff
changeset
|
180 |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
6972
diff
changeset
|
181 private: |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
6972
diff
changeset
|
182 static volatile int _total_instanceKlass_count; |
ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
zgu
parents:
6972
diff
changeset
|
183 |
0 | 184 protected: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
185 // Annotations for this class |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
186 Annotations* _annotations; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
187 // Array classes holding elements of this class. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
188 Klass* _array_klasses; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
189 // Constant pool for this class. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
190 ConstantPool* _constants; |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
191 // The InnerClasses attribute and EnclosingMethod attribute. The |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
192 // _inner_classes is an array of shorts. If the class has InnerClasses |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
193 // attribute, then the _inner_classes array begins with 4-tuples of shorts |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
194 // [inner_class_info_index, outer_class_info_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
195 // inner_name_index, inner_class_access_flags] for the InnerClasses |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
196 // attribute. If the EnclosingMethod attribute exists, it occupies the |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
197 // last two shorts [class_index, method_index] of the array. If only |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
198 // the InnerClasses attribute exists, the _inner_classes array length is |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
199 // number_of_inner_classes * 4. If the class has both InnerClasses |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
200 // and EnclosingMethod attributes the _inner_classes array length is |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
201 // number_of_inner_classes * 4 + enclosing_method_attribute_size. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
202 Array<jushort>* _inner_classes; |
0 | 203 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
204 // the source debug extension for this klass, NULL if not specified. |
6203
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
205 // Specified as UTF-8 string without terminating zero byte in the classfile, |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
206 // it is stored in the instanceklass as a NULL-terminated UTF-8 string |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
207 char* _source_debug_extension; |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
208 // Array name derived from this class which needs unreferencing |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
209 // if this class is unloaded. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
210 Symbol* _array_name; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
211 |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
113
diff
changeset
|
212 // Number of heapOopSize words used by non-static fields in this klass |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
113
diff
changeset
|
213 // (including inherited fields but after header_size()). |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
214 int _nonstatic_field_size; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
215 int _static_field_size; // number words used by static fields (oop and non-oop) in this klass |
12067
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
216 // Constant pool index to the utf8 entry of the Generic signature, |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
217 // or 0 if none. |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
218 u2 _generic_signature_index; |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
219 // Constant pool index to the utf8 entry for the name of source file |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
220 // containing this klass, 0 if not specified. |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
221 u2 _source_file_name_index; |
4744
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
4739
diff
changeset
|
222 u2 _static_oop_field_count;// number of static oop fields in this klass |
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
4739
diff
changeset
|
223 u2 _java_fields_count; // The number of declared Java fields |
938 | 224 int _nonstatic_oop_map_size;// size in words of nonstatic oop map blocks |
4737
75c0a73eee98
7102776: Pack instanceKlass boolean fields into single u1 field
coleenp
parents:
3939
diff
changeset
|
225 |
7593
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
226 // _is_marked_dependent can be set concurrently, thus cannot be part of the |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
227 // _misc_flags. |
4772
8f8b94305aff
7129240: backout fix for 7102776 until 7128770 is resolved
dcubed
parents:
4771
diff
changeset
|
228 bool _is_marked_dependent; // used for marking during flushing and deoptimization |
7593
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
229 |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
230 enum { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
231 _misc_rewritten = 1 << 0, // methods rewritten. |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
232 _misc_has_nonstatic_fields = 1 << 1, // for sizing with UseCompressedOops |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
233 _misc_should_verify_class = 1 << 2, // allow caching of preverification |
10149
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
234 _misc_is_anonymous = 1 << 3, // has embedded _host_klass field |
7596 | 235 _misc_is_contended = 1 << 4, // marked with contended annotation |
236 _misc_has_default_methods = 1 << 5 // class/superclass/implemented interfaces has default methods | |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
237 }; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
238 u2 _misc_flags; |
0 | 239 u2 _minor_version; // minor version number of class file |
240 u2 _major_version; // major version number of class file | |
241 Thread* _init_thread; // Pointer to current thread doing initialization (to handle recusive initialization) | |
242 int _vtable_len; // length of Java vtable (in words) | |
243 int _itable_len; // length of Java itable (in words) | |
244 OopMapCache* volatile _oop_map_cache; // OopMapCache for all methods in the klass (allocated lazily) | |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
8719
diff
changeset
|
245 MemberNameTable* _member_names; // Member names |
0 | 246 JNIid* _jni_ids; // First JNI identifier for static fields in this class |
247 jmethodID* _methods_jmethod_ids; // jmethodIDs corresponding to method_idnum, or NULL if none | |
248 nmethodBucket* _dependencies; // list of dependent nmethods | |
249 nmethod* _osr_nmethods_head; // Head of list of on-stack replacement nmethods for this class | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
250 BreakpointInfo* _breakpoints; // bpt lists, managed by Method* |
0 | 251 // Array of interesting part(s) of the previous version(s) of this |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
252 // InstanceKlass. See PreviousVersionWalker below. |
0 | 253 GrowableArray<PreviousVersionNode *>* _previous_versions; |
254 // JVMTI fields can be moved to their own structure - see 6315920 | |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
255 // JVMTI: cached class file, before retransformable agent modified it in CFLH |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
256 JvmtiCachedClassFileData* _cached_class_file; |
7968
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
257 |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
258 volatile u2 _idnum_allocated_count; // JNI/JVMTI: increments with the addition of methods, old ids don't change |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
259 |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
260 // Class states are defined as ClassState (see above). |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
261 // Place the _init_state here to utilize the unused 2-byte after |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
262 // _idnum_allocated_count. |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
263 u1 _init_state; // state of class |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
264 u1 _reference_type; // reference type |
44c5fcd9cb25
8006280: Need to reorder metadata structures to reduce size (64-bit)
iklam
parents:
7596
diff
changeset
|
265 |
0 | 266 JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map; // JVMTI: used during heap iteration |
6934 | 267 |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
268 NOT_PRODUCT(int _verify_count;) // to avoid redundant verifies |
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
269 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
270 // Method array. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
271 Array<Method*>* _methods; |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
272 // Default Method Array, concrete methods inherited from interfaces |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
273 Array<Method*>* _default_methods; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
274 // Interface (Klass*s) this class declares locally to implement. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
275 Array<Klass*>* _local_interfaces; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
276 // Interface (Klass*s) this class implements transitively. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
277 Array<Klass*>* _transitive_interfaces; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
278 // Int array containing the original order of method in the class file (for JVMTI). |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
279 Array<int>* _method_ordering; |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
280 // Int array containing the vtable_indices for default_methods |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
281 // offset matches _default_methods offset |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
282 Array<int>* _default_vtable_indices; |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
283 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
284 // Instance and static variable information, starts with 6-tuples of shorts |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
285 // [access, name index, sig index, initval index, low_offset, high_offset] |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
286 // for all fields, followed by the generic signature data at the end of |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
287 // the array. Only fields with generic signature attributes have the generic |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
288 // signature data set in the array. The fields array looks like following: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
289 // |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
290 // f1: [access, name index, sig index, initial value index, low_offset, high_offset] |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
291 // f2: [access, name index, sig index, initial value index, low_offset, high_offset] |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
292 // ... |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
293 // fn: [access, name index, sig index, initial value index, low_offset, high_offset] |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
294 // [generic signature index] |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
295 // [generic signature index] |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
296 // ... |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
297 Array<u2>* _fields; |
0 | 298 |
299 // embedded Java vtable follows here | |
300 // embedded Java itables follows here | |
301 // embedded static fields follows here | |
302 // embedded nonstatic oop-map blocks follows here | |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
303 // embedded implementor of this interface follows here |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
304 // The embedded implementor only exists if the current klass is an |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
305 // iterface. The possible values of the implementor fall into following |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
306 // three cases: |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
307 // NULL: no implementor. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
308 // A Klass* that's not itself: one implementor. |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
309 // Itsef: more than one implementors. |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
310 // embedded host klass follows here |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
311 // The embedded host klass only exists in an anonymous class for |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
312 // dynamic language support (JSR 292 enabled). The host class grants |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
313 // its access privileges to this class also. The host class is either |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
314 // named, or a previously loaded anonymous class. A non-anonymous class |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
315 // or an anonymous class loaded through normal classloading does not |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
316 // have this embedded field. |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
317 // |
0 | 318 |
319 friend class SystemDictionary; | |
320 | |
321 public: | |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
322 bool has_nonstatic_fields() const { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
323 return (_misc_flags & _misc_has_nonstatic_fields) != 0; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
324 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
325 void set_has_nonstatic_fields(bool b) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
326 if (b) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
327 _misc_flags |= _misc_has_nonstatic_fields; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
328 } else { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
329 _misc_flags &= ~_misc_has_nonstatic_fields; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
330 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
331 } |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
332 |
0 | 333 // field sizes |
334 int nonstatic_field_size() const { return _nonstatic_field_size; } | |
335 void set_nonstatic_field_size(int size) { _nonstatic_field_size = size; } | |
336 | |
337 int static_field_size() const { return _static_field_size; } | |
338 void set_static_field_size(int size) { _static_field_size = size; } | |
339 | |
4744
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
4739
diff
changeset
|
340 int static_oop_field_count() const { return (int)_static_oop_field_count; } |
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
4739
diff
changeset
|
341 void set_static_oop_field_count(u2 size) { _static_oop_field_count = size; } |
0 | 342 |
343 // Java vtable | |
344 int vtable_length() const { return _vtable_len; } | |
345 void set_vtable_length(int len) { _vtable_len = len; } | |
346 | |
347 // Java itable | |
348 int itable_length() const { return _itable_len; } | |
349 void set_itable_length(int len) { _itable_len = len; } | |
350 | |
351 // array klasses | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
352 Klass* array_klasses() const { return _array_klasses; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
353 void set_array_klasses(Klass* k) { _array_klasses = k; } |
0 | 354 |
355 // methods | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
356 Array<Method*>* methods() const { return _methods; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
357 void set_methods(Array<Method*>* a) { _methods = a; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
358 Method* method_with_idnum(int idnum); |
0 | 359 |
360 // method ordering | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
361 Array<int>* method_ordering() const { return _method_ordering; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
362 void set_method_ordering(Array<int>* m) { _method_ordering = m; } |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
363 void copy_method_ordering(intArray* m, TRAPS); |
0 | 364 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
365 // default_methods |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
366 Array<Method*>* default_methods() const { return _default_methods; } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
367 void set_default_methods(Array<Method*>* a) { _default_methods = a; } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
368 |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
369 // default method vtable_indices |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
370 Array<int>* default_vtable_indices() const { return _default_vtable_indices; } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
371 void set_default_vtable_indices(Array<int>* v) { _default_vtable_indices = v; } |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
372 Array<int>* create_new_default_vtable_indices(int len, TRAPS); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
373 |
0 | 374 // interfaces |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
375 Array<Klass*>* local_interfaces() const { return _local_interfaces; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
376 void set_local_interfaces(Array<Klass*>* a) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
377 guarantee(_local_interfaces == NULL || a == NULL, "Just checking"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
378 _local_interfaces = a; } |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
379 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
380 Array<Klass*>* transitive_interfaces() const { return _transitive_interfaces; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
381 void set_transitive_interfaces(Array<Klass*>* a) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
382 guarantee(_transitive_interfaces == NULL || a == NULL, "Just checking"); |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
383 _transitive_interfaces = a; |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
384 } |
0 | 385 |
3938 | 386 private: |
387 friend class fieldDescriptor; | |
388 FieldInfo* field(int index) const { return FieldInfo::from_field_array(_fields, index); } | |
389 | |
390 public: | |
391 int field_offset (int index) const { return field(index)->offset(); } | |
392 int field_access_flags(int index) const { return field(index)->access_flags(); } | |
393 Symbol* field_name (int index) const { return field(index)->name(constants()); } | |
394 Symbol* field_signature (int index) const { return field(index)->signature(constants()); } | |
395 | |
396 // Number of Java declared fields | |
4744
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
4739
diff
changeset
|
397 int java_fields_count() const { return (int)_java_fields_count; } |
3938 | 398 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
399 Array<u2>* fields() const { return _fields; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
400 void set_fields(Array<u2>* f, u2 java_fields_count) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
401 guarantee(_fields == NULL || f == NULL, "Just checking"); |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
402 _fields = f; |
3938 | 403 _java_fields_count = java_fields_count; |
0 | 404 } |
405 | |
406 // inner classes | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
407 Array<u2>* inner_classes() const { return _inner_classes; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
408 void set_inner_classes(Array<u2>* f) { _inner_classes = f; } |
0 | 409 |
410 enum InnerClassAttributeOffset { | |
411 // From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814 | |
412 inner_class_inner_class_info_offset = 0, | |
413 inner_class_outer_class_info_offset = 1, | |
414 inner_class_inner_name_offset = 2, | |
415 inner_class_access_flags_offset = 3, | |
416 inner_class_next_offset = 4 | |
417 }; | |
418 | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
419 enum EnclosingMethodAttributeOffset { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
420 enclosing_method_class_index_offset = 0, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
421 enclosing_method_method_index_offset = 1, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
422 enclosing_method_attribute_size = 2 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
423 }; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
424 |
652
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
431
diff
changeset
|
425 // method override check |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
426 bool is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS); |
652
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
431
diff
changeset
|
427 |
0 | 428 // package |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
429 bool is_same_class_package(Klass* class2); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
430 bool is_same_class_package(oop classloader2, Symbol* classname2); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
431 static bool is_same_class_package(oop class_loader1, Symbol* class_name1, oop class_loader2, Symbol* class_name2); |
0 | 432 |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
433 // find an enclosing class (defined where original code was, in jvm.cpp!) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
434 Klass* compute_enclosing_class(bool* inner_is_member, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
435 instanceKlassHandle self(THREAD, this); |
1126
933a3e806ce6
6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
xlu
parents:
1039
diff
changeset
|
436 return compute_enclosing_class_impl(self, inner_is_member, THREAD); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
437 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
438 static Klass* compute_enclosing_class_impl(instanceKlassHandle self, |
1126
933a3e806ce6
6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
xlu
parents:
1039
diff
changeset
|
439 bool* inner_is_member, TRAPS); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
440 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
441 // tell if two classes have the same enclosing class (at package level) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
442 bool is_same_package_member(Klass* class2, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
443 instanceKlassHandle self(THREAD, this); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
444 return is_same_package_member_impl(self, class2, THREAD); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
445 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
446 static bool is_same_package_member_impl(instanceKlassHandle self, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
447 Klass* class2, TRAPS); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
448 |
0 | 449 // initialization state |
450 bool is_loaded() const { return _init_state >= loaded; } | |
451 bool is_linked() const { return _init_state >= linked; } | |
452 bool is_initialized() const { return _init_state == fully_initialized; } | |
453 bool is_not_initialized() const { return _init_state < being_initialized; } | |
454 bool is_being_initialized() const { return _init_state == being_initialized; } | |
455 bool is_in_error_state() const { return _init_state == initialization_error; } | |
456 bool is_reentrant_initialization(Thread *thread) { return thread == _init_thread; } | |
4739
52b5d32fbfaf
7117052: instanceKlass::_init_state can be u1 type
coleenp
parents:
4737
diff
changeset
|
457 ClassState init_state() { return (ClassState)_init_state; } |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
458 bool is_rewritten() const { return (_misc_flags & _misc_rewritten) != 0; } |
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
726
diff
changeset
|
459 |
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
726
diff
changeset
|
460 // defineClass specified verification |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
461 bool should_verify_class() const { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
462 return (_misc_flags & _misc_should_verify_class) != 0; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
463 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
464 void set_should_verify_class(bool value) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
465 if (value) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
466 _misc_flags |= _misc_should_verify_class; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
467 } else { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
468 _misc_flags &= ~_misc_should_verify_class; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
469 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
470 } |
0 | 471 |
472 // marking | |
4772
8f8b94305aff
7129240: backout fix for 7102776 until 7128770 is resolved
dcubed
parents:
4771
diff
changeset
|
473 bool is_marked_dependent() const { return _is_marked_dependent; } |
8f8b94305aff
7129240: backout fix for 7102776 until 7128770 is resolved
dcubed
parents:
4771
diff
changeset
|
474 void set_is_marked_dependent(bool value) { _is_marked_dependent = value; } |
0 | 475 |
476 // initialization (virtuals from Klass) | |
477 bool should_be_initialized() const; // means that initialize should be called | |
478 void initialize(TRAPS); | |
479 void link_class(TRAPS); | |
480 bool link_class_or_fail(TRAPS); // returns false on failure | |
481 void unlink_class(); | |
482 void rewrite_class(TRAPS); | |
7459
cc6a617fffd2
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
7457
diff
changeset
|
483 void link_methods(TRAPS); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
484 Method* class_initializer(); |
0 | 485 |
486 // set the class to initialized if no static initializer is present | |
487 void eager_initialize(Thread *thread); | |
488 | |
489 // reference type | |
4899
a79cb7c55012
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
4772
diff
changeset
|
490 ReferenceType reference_type() const { return (ReferenceType)_reference_type; } |
a79cb7c55012
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
4772
diff
changeset
|
491 void set_reference_type(ReferenceType t) { |
a79cb7c55012
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
4772
diff
changeset
|
492 assert(t == (u1)t, "overflow"); |
a79cb7c55012
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
4772
diff
changeset
|
493 _reference_type = (u1)t; |
a79cb7c55012
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
4772
diff
changeset
|
494 } |
0 | 495 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
496 static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); } |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
497 |
0 | 498 // find local field, returns true if found |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
499 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; |
0 | 500 // find field in direct superinterfaces, returns the interface in which the field is defined |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
501 Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; |
0 | 502 // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
503 Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; |
0 | 504 // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
505 Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const; |
0 | 506 |
507 // find a non-static or static field given its offset within the class. | |
508 bool contains_field_offset(int offset) { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
509 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size()); |
0 | 510 } |
511 | |
512 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const; | |
513 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const; | |
514 | |
515 // find a local method (returns NULL if not found) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
516 Method* find_method(Symbol* name, Symbol* signature) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
517 static Method* find_method(Array<Method*>* methods, Symbol* name, Symbol* signature); |
13414
379f11bc04fc
8028438: static superclass method masks default methods
acorn
parents:
13401
diff
changeset
|
518 static Method* find_instance_method(Array<Method*>* methods, Symbol* name, Symbol* signature); |
0 | 519 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
520 // find a local method index in default_methods (returns -1 if not found) |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
521 static int find_method_index(Array<Method*>* methods, Symbol* name, Symbol* signature); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
522 |
0 | 523 // lookup operation (returns NULL if not found) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
524 Method* uncached_lookup_method(Symbol* name, Symbol* signature) const; |
0 | 525 |
526 // lookup a method in all the interfaces that this class implements | |
527 // (returns NULL if not found) | |
14221
2353011244bd
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
13414
diff
changeset
|
528 Method* lookup_method_in_all_interfaces(Symbol* name, Symbol* signature, bool skip_default_methods) const; |
2353011244bd
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
13414
diff
changeset
|
529 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
530 // lookup a method in local defaults then in all interfaces |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
531 // (returns NULL if not found) |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
532 Method* lookup_method_in_ordered_interfaces(Symbol* name, Symbol* signature) const; |
0 | 533 |
6934 | 534 // Find method indices by name. If a method with the specified name is |
535 // found the index to the first method is returned, and 'end' is filled in | |
536 // with the index of first non-name-matching method. If no method is found | |
537 // -1 is returned. | |
538 int find_method_by_name(Symbol* name, int* end); | |
539 static int find_method_by_name(Array<Method*>* methods, Symbol* name, int* end); | |
540 | |
0 | 541 // constant pool |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
542 ConstantPool* constants() const { return _constants; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
543 void set_constants(ConstantPool* c) { _constants = c; } |
0 | 544 |
545 // protection domain | |
10343
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
546 oop protection_domain() const; |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
547 |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
548 // signers |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
549 objArrayOop signers() const; |
0 | 550 |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
551 // host class |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
552 Klass* host_klass() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
553 Klass** hk = (Klass**)adr_host_klass(); |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
554 if (hk == NULL) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
555 return NULL; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
556 } else { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
557 return *hk; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
558 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
559 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
560 void set_host_klass(Klass* host) { |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
561 assert(is_anonymous(), "not anonymous"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
562 Klass** addr = (Klass**)adr_host_klass(); |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
563 assert(addr != NULL, "no reversed space"); |
8693
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
564 if (addr != NULL) { |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
565 *addr = host; |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
566 } |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
567 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
568 bool is_anonymous() const { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
569 return (_misc_flags & _misc_is_anonymous) != 0; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
570 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
571 void set_is_anonymous(bool value) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
572 if (value) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
573 _misc_flags |= _misc_is_anonymous; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
574 } else { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
575 _misc_flags &= ~_misc_is_anonymous; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
576 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
577 } |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
356
diff
changeset
|
578 |
7409 | 579 // Oop that keeps the metadata for this class from being unloaded |
580 // in places where the metadata is stored in other places, like nmethods | |
581 oop klass_holder() const { | |
582 return is_anonymous() ? java_mirror() : class_loader(); | |
583 } | |
584 | |
7587 | 585 bool is_contended() const { |
586 return (_misc_flags & _misc_is_contended) != 0; | |
587 } | |
588 void set_is_contended(bool value) { | |
589 if (value) { | |
590 _misc_flags |= _misc_is_contended; | |
591 } else { | |
592 _misc_flags &= ~_misc_is_contended; | |
593 } | |
594 } | |
595 | |
0 | 596 // source file name |
12067
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
597 Symbol* source_file_name() const { |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
598 return (_source_file_name_index == 0) ? |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
599 (Symbol*)NULL : _constants->symbol_at(_source_file_name_index); |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
600 } |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
601 u2 source_file_name_index() const { |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
602 return _source_file_name_index; |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
603 } |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
604 void set_source_file_name_index(u2 sourcefile_index) { |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
605 _source_file_name_index = sourcefile_index; |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
606 } |
0 | 607 |
608 // minor and major version numbers of class file | |
609 u2 minor_version() const { return _minor_version; } | |
610 void set_minor_version(u2 minor_version) { _minor_version = minor_version; } | |
611 u2 major_version() const { return _major_version; } | |
612 void set_major_version(u2 major_version) { _major_version = major_version; } | |
613 | |
614 // source debug extension | |
6203
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
615 char* source_debug_extension() const { return _source_debug_extension; } |
04ade88d9712
6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
fparain
parents:
6197
diff
changeset
|
616 void set_source_debug_extension(char* array, int length); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
617 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
618 // symbol unloading support (refcount already added) |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
619 Symbol* array_name() { return _array_name; } |
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
8031
diff
changeset
|
620 void set_array_name(Symbol* name) { assert(_array_name == NULL || name == NULL, "name already created"); _array_name = name; } |
0 | 621 |
622 // nonstatic oop-map blocks | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
623 static int nonstatic_oop_map_size(unsigned int oop_map_count) { |
938 | 624 return oop_map_count * OopMapBlock::size_in_words(); |
625 } | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
626 unsigned int nonstatic_oop_map_count() const { |
938 | 627 return _nonstatic_oop_map_size / OopMapBlock::size_in_words(); |
628 } | |
629 int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; } | |
630 void set_nonstatic_oop_map_size(int words) { | |
631 _nonstatic_oop_map_size = words; | |
632 } | |
0 | 633 |
634 // RedefineClasses() support for previous versions: | |
635 void add_previous_version(instanceKlassHandle ikh, BitMap *emcp_methods, | |
636 int emcp_method_count); | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
637 // If the _previous_versions array is non-NULL, then this klass |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
638 // has been redefined at least once even if we aren't currently |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
639 // tracking a previous version. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
640 bool has_been_redefined() const { return _previous_versions != NULL; } |
0 | 641 bool has_previous_version() const; |
642 void init_previous_versions() { | |
643 _previous_versions = NULL; | |
644 } | |
645 GrowableArray<PreviousVersionNode *>* previous_versions() const { | |
646 return _previous_versions; | |
647 } | |
648 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
649 static void purge_previous_versions(InstanceKlass* ik); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
650 |
0 | 651 // JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation |
11148
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
652 void set_cached_class_file(JvmtiCachedClassFileData *data) { |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
653 _cached_class_file = data; |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
654 } |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
655 JvmtiCachedClassFileData * get_cached_class_file() { return _cached_class_file; } |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
656 jint get_cached_class_file_len(); |
825e6cb66923
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
11096
diff
changeset
|
657 unsigned char * get_cached_class_file_bytes(); |
0 | 658 |
659 // JVMTI: Support for caching of field indices, types, and offsets | |
660 void set_jvmti_cached_class_field_map(JvmtiCachedClassFieldMap* descriptor) { | |
661 _jvmti_cached_class_field_map = descriptor; | |
662 } | |
663 JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const { | |
664 return _jvmti_cached_class_field_map; | |
665 } | |
666 | |
7593
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
667 bool has_default_methods() const { |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
668 return (_misc_flags & _misc_has_default_methods) != 0; |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
669 } |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
670 void set_has_default_methods(bool b) { |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
671 if (b) { |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
672 _misc_flags |= _misc_has_default_methods; |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
673 } else { |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
674 _misc_flags &= ~_misc_has_default_methods; |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
675 } |
337e1dd9d902
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
7465
diff
changeset
|
676 } |
6934 | 677 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
678 // for adding methods, ConstMethod::UNSET_IDNUM means no more ids available |
0 | 679 inline u2 next_method_idnum(); |
680 void set_initial_method_idnum(u2 value) { _idnum_allocated_count = value; } | |
681 | |
682 // generics support | |
12067
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
683 Symbol* generic_signature() const { |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
684 return (_generic_signature_index == 0) ? |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
685 (Symbol*)NULL : _constants->symbol_at(_generic_signature_index); |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
686 } |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
687 u2 generic_signature_index() const { |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
688 return _generic_signature_index; |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
689 } |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
690 void set_generic_signature_index(u2 sig_index) { |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
691 _generic_signature_index = sig_index; |
e22ee8e7ae62
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
11148
diff
changeset
|
692 } |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
693 |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
694 u2 enclosing_method_data(int offset); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
695 u2 enclosing_method_class_index() { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
696 return enclosing_method_data(enclosing_method_class_index_offset); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
697 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
698 u2 enclosing_method_method_index() { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
699 return enclosing_method_data(enclosing_method_method_index_offset); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
700 } |
0 | 701 void set_enclosing_method_indices(u2 class_index, |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
702 u2 method_index); |
0 | 703 |
704 // jmethodID support | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
705 static jmethodID get_jmethod_id(instanceKlassHandle ik_h, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
706 methodHandle method_h); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
707 static jmethodID get_jmethod_id_fetch_or_update(instanceKlassHandle ik_h, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
708 size_t idnum, jmethodID new_id, jmethodID* new_jmeths, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
709 jmethodID* to_dealloc_id_p, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
710 jmethodID** to_dealloc_jmeths_p); |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
711 static void get_jmethod_id_length_value(jmethodID* cache, size_t idnum, |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
712 size_t *length_p, jmethodID* id_p); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
713 jmethodID jmethod_id_or_null(Method* method); |
0 | 714 |
715 // annotations support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
716 Annotations* annotations() const { return _annotations; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
717 void set_annotations(Annotations* anno) { _annotations = anno; } |
8031 | 718 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
719 AnnotationArray* class_annotations() const { |
8031 | 720 return (_annotations != NULL) ? _annotations->class_annotations() : NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
721 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
722 Array<AnnotationArray*>* fields_annotations() const { |
8031 | 723 return (_annotations != NULL) ? _annotations->fields_annotations() : NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
724 } |
8031 | 725 AnnotationArray* class_type_annotations() const { |
726 return (_annotations != NULL) ? _annotations->class_type_annotations() : NULL; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7409
diff
changeset
|
727 } |
8031 | 728 Array<AnnotationArray*>* fields_type_annotations() const { |
729 return (_annotations != NULL) ? _annotations->fields_type_annotations() : NULL; | |
730 } | |
0 | 731 // allocation |
732 instanceOop allocate_instance(TRAPS); | |
733 | |
734 // additional member function to return a handle | |
735 instanceHandle allocate_instance_handle(TRAPS) { return instanceHandle(THREAD, allocate_instance(THREAD)); } | |
736 | |
737 objArrayOop allocate_objArray(int n, int length, TRAPS); | |
738 // Helper function | |
739 static instanceOop register_finalizer(instanceOop i, TRAPS); | |
740 | |
741 // Check whether reflection/jni/jvm code is allowed to instantiate this class; | |
742 // if not, throw either an Error or an Exception. | |
743 virtual void check_valid_for_instantiation(bool throwError, TRAPS); | |
744 | |
745 // initialization | |
746 void call_class_initializer(TRAPS); | |
747 void set_initialization_state_and_notify(ClassState state, TRAPS); | |
748 | |
749 // OopMapCache support | |
750 OopMapCache* oop_map_cache() { return _oop_map_cache; } | |
751 void set_oop_map_cache(OopMapCache *cache) { _oop_map_cache = cache; } | |
752 void mask_for(methodHandle method, int bci, InterpreterOopMap* entry); | |
753 | |
754 // JNI identifier support (for static fields - for jni performance) | |
755 JNIid* jni_ids() { return _jni_ids; } | |
756 void set_jni_ids(JNIid* ids) { _jni_ids = ids; } | |
757 JNIid* jni_id_for(int offset); | |
758 | |
759 // maintenance of deoptimization dependencies | |
760 int mark_dependent_nmethods(DepChange& changes); | |
761 void add_dependent_nmethod(nmethod* nm); | |
762 void remove_dependent_nmethod(nmethod* nm); | |
763 | |
764 // On-stack replacement support | |
765 nmethod* osr_nmethods_head() const { return _osr_nmethods_head; }; | |
766 void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; }; | |
767 void add_osr_nmethod(nmethod* n); | |
768 void remove_osr_nmethod(nmethod* n); | |
10265
92ef81e2f571
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
10152
diff
changeset
|
769 nmethod* lookup_osr_nmethod(const Method* m, int bci, int level, bool match_level) const; |
0 | 770 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
771 // Breakpoint support (see methods on Method* for details) |
0 | 772 BreakpointInfo* breakpoints() const { return _breakpoints; }; |
773 void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; }; | |
774 | |
775 // support for stub routines | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
776 static ByteSize init_state_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_state)); } |
6006
0105f367a14c
7160570: Intrinsification support for tracing framework
rbackman
parents:
5998
diff
changeset
|
777 TRACE_DEFINE_OFFSET; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
778 static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); } |
0 | 779 |
780 // subclass/subinterface checks | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
781 bool implements_interface(Klass* k) const; |
13401
22eaa15b7960
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
12946
diff
changeset
|
782 bool is_same_or_direct_interface(Klass* k) const; |
0 | 783 |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
784 // Access to the implementor of an interface. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
785 Klass* implementor() const |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
786 { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
787 Klass** k = adr_implementor(); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
788 if (k == NULL) { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
789 return NULL; |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
790 } else { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
791 return *k; |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
792 } |
0 | 793 } |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
794 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
795 void set_implementor(Klass* k) { |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
796 assert(is_interface(), "not interface"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
797 Klass** addr = adr_implementor(); |
8693
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
798 assert(addr != NULL, "null addr"); |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
799 if (addr != NULL) { |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
800 *addr = k; |
872b3feace55
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
8031
diff
changeset
|
801 } |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
802 } |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
803 |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
804 int nof_implementors() const { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
805 Klass* k = implementor(); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
806 if (k == NULL) { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
807 return 0; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
808 } else if (k != this) { |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
809 return 1; |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
810 } else { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
811 return 2; |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
812 } |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
813 } |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
814 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
815 void add_implementor(Klass* k); // k is a new class that implements this interface |
0 | 816 void init_implementor(); // initialize |
817 | |
818 // link this class into the implementors list of every interface it implements | |
819 void process_interfaces(Thread *thread); | |
820 | |
821 // virtual operations from Klass | |
822 bool is_leaf_class() const { return _subklass == NULL; } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
823 GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
824 bool compute_is_subtype_of(Klass* k); |
0 | 825 bool can_be_primary_super_slow() const; |
826 int oop_size(oop obj) const { return size_helper(); } | |
827 bool oop_is_instance_slow() const { return true; } | |
828 | |
829 // Iterators | |
830 void do_local_static_fields(FieldClosure* cl); | |
831 void do_nonstatic_fields(FieldClosure* cl); // including inherited fields | |
832 void do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS); | |
833 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
834 void methods_do(void f(Method* method)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
835 void array_klasses_do(void f(Klass* k)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
836 void array_klasses_do(void f(Klass* k, TRAPS), TRAPS); |
0 | 837 bool super_types_do(SuperTypeClosure* blk); |
838 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
839 // Casting from Klass* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
840 static InstanceKlass* cast(Klass* k) { |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
841 assert(k->is_klass(), "must be"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
842 assert(k->oop_is_instance(), "cast to InstanceKlass"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
843 return (InstanceKlass*) k; |
0 | 844 } |
845 | |
6934 | 846 InstanceKlass* java_super() const { |
847 return (super() == NULL) ? NULL : cast(super()); | |
848 } | |
849 | |
0 | 850 // Sizing (in words) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
851 static int header_size() { return align_object_offset(sizeof(InstanceKlass)/HeapWordSize); } |
8031 | 852 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
853 static int size(int vtable_length, int itable_length, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
854 int nonstatic_oop_map_size, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
855 bool is_interface, bool is_anonymous) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
856 return align_object_size(header_size() + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
857 align_object_offset(vtable_length) + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
858 align_object_offset(itable_length) + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
859 ((is_interface || is_anonymous) ? |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
860 align_object_offset(nonstatic_oop_map_size) : |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
861 nonstatic_oop_map_size) + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
862 (is_interface ? (int)sizeof(Klass*)/HeapWordSize : 0) + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
863 (is_anonymous ? (int)sizeof(Klass*)/HeapWordSize : 0)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
864 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
865 int size() const { return size(vtable_length(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
866 itable_length(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
867 nonstatic_oop_map_size(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
868 is_interface(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
869 is_anonymous()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
870 } |
7956 | 871 #if INCLUDE_SERVICES |
872 virtual void collect_statistics(KlassSizeStats *sz) const; | |
873 #endif | |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
874 |
0 | 875 static int vtable_start_offset() { return header_size(); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
876 static int vtable_length_offset() { return offset_of(InstanceKlass, _vtable_len) / HeapWordSize; } |
0 | 877 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
878 intptr_t* start_of_vtable() const { return ((intptr_t*)this) + vtable_start_offset(); } |
0 | 879 intptr_t* start_of_itable() const { return start_of_vtable() + align_object_offset(vtable_length()); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
880 int itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; } |
0 | 881 |
882 intptr_t* end_of_itable() const { return start_of_itable() + itable_length(); } | |
883 | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
884 address static_field_addr(int offset); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
885 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
886 OopMapBlock* start_of_nonstatic_oop_maps() const { |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
887 return (OopMapBlock*)(start_of_itable() + align_object_offset(itable_length())); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
49
diff
changeset
|
888 } |
0 | 889 |
8031 | 890 Klass** end_of_nonstatic_oop_maps() const { |
891 return (Klass**)(start_of_nonstatic_oop_maps() + | |
892 nonstatic_oop_map_count()); | |
893 } | |
894 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
895 Klass** adr_implementor() const { |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
896 if (is_interface()) { |
8031 | 897 return (Klass**)end_of_nonstatic_oop_maps(); |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
898 } else { |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
899 return NULL; |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
900 } |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
901 }; |
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
902 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
903 Klass** adr_host_klass() const { |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
904 if (is_anonymous()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
905 Klass** adr_impl = adr_implementor(); |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
906 if (adr_impl != NULL) { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
907 return adr_impl + 1; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
908 } else { |
8031 | 909 return end_of_nonstatic_oop_maps(); |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
910 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
911 } else { |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
912 return NULL; |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
913 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
914 } |
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
915 |
0 | 916 // Use this to return the size of an instance in heap words: |
917 int size_helper() const { | |
918 return layout_helper_to_size_helper(layout_helper()); | |
919 } | |
920 | |
921 // This bit is initialized in classFileParser.cpp. | |
922 // It is false under any of the following conditions: | |
923 // - the class is abstract (including any interface) | |
924 // - the class has a finalizer (if !RegisterFinalizersAtInit) | |
925 // - the class size is larger than FastAllocateSizeLimit | |
926 // - the class is java/lang/Class, which cannot be allocated directly | |
927 bool can_be_fastpath_allocated() const { | |
928 return !layout_helper_needs_slow_path(layout_helper()); | |
929 } | |
930 | |
931 // Java vtable/itable | |
932 klassVtable* vtable() const; // return new klassVtable wrapper | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
933 inline Method* method_at_vtable(int index); |
0 | 934 klassItable* itable() const; // return new klassItable wrapper |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
935 Method* method_at_itable(Klass* holder, int index, TRAPS); |
0 | 936 |
12823
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
937 #if INCLUDE_JVMTI |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
938 void adjust_default_methods(Method** old_methods, Method** new_methods, |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
939 int methods_length, bool* trace_name_printed); |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
940 #endif // INCLUDE_JVMTI |
ac9cb1d5a202
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
12811
diff
changeset
|
941 |
0 | 942 // Garbage collection |
943 void oop_follow_contents(oop obj); | |
944 int oop_adjust_pointers(oop obj); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
945 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
946 void clean_implementors_list(BoolObjectClosure* is_alive); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
947 void clean_method_data(BoolObjectClosure* is_alive); |
0 | 948 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
949 // Explicit metaspace deallocation of fields |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
950 // For RedefineClasses and class file parsing errors, we need to deallocate |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
951 // instanceKlasses and the metadata they point to. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
952 void deallocate_contents(ClassLoaderData* loader_data); |
8719
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
953 static void deallocate_methods(ClassLoaderData* loader_data, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
954 Array<Method*>* methods); |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
955 void static deallocate_interfaces(ClassLoaderData* loader_data, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
956 Klass* super_klass, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
957 Array<Klass*>* local_interfaces, |
c8b31b461e1a
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
8714
diff
changeset
|
958 Array<Klass*>* transitive_interfaces); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
959 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
960 // The constant pool is on stack if any of the methods are executing or |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
961 // referenced by handles. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
962 bool on_stack() const { return _constants->on_stack(); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
963 |
10149
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
964 // callbacks for actions during class unloading |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
965 static void notify_unload_class(InstanceKlass* ik); |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
966 static void release_C_heap_structures(InstanceKlass* ik); |
0 | 967 |
968 // Parallel Scavenge and Parallel Old | |
969 PARALLEL_GC_DECLS | |
970 | |
971 // Naming | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
977
diff
changeset
|
972 const char* signature_name() const; |
0 | 973 |
974 // Iterators | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
975 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) { |
0 | 976 return oop_oop_iterate_v(obj, blk); |
977 } | |
978 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
979 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) { |
0 | 980 return oop_oop_iterate_v_m(obj, blk, mr); |
981 } | |
982 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
983 #define InstanceKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
984 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
985 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, \ |
0 | 986 MemRegion mr); |
987 | |
988 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DECL) | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
989 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DECL) |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
990 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7596
diff
changeset
|
991 #if INCLUDE_ALL_GCS |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
992 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \ |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
993 int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
994 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
995 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
996 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7596
diff
changeset
|
997 #endif // INCLUDE_ALL_GCS |
0 | 998 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
999 u2 idnum_allocated_count() const { return _idnum_allocated_count; } |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
1000 |
0 | 1001 private: |
1002 // initialization state | |
1003 #ifdef ASSERT | |
1004 void set_init_state(ClassState state); | |
1005 #else | |
4739
52b5d32fbfaf
7117052: instanceKlass::_init_state can be u1 type
coleenp
parents:
4737
diff
changeset
|
1006 void set_init_state(ClassState state) { _init_state = (u1)state; } |
0 | 1007 #endif |
6038
8bafad97cd26
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
6006
diff
changeset
|
1008 void set_rewritten() { _misc_flags |= _misc_rewritten; } |
0 | 1009 void set_init_thread(Thread *thread) { _init_thread = thread; } |
1010 | |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
1011 // The RedefineClasses() API can cause new method idnums to be needed |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
1012 // which will cause the caches to grow. Safety requires different |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
1013 // cache management logic if the caches can grow instead of just |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
1014 // going from NULL to non-NULL. |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
1015 bool idnum_can_increment() const { return has_been_redefined(); } |
0 | 1016 jmethodID* methods_jmethod_ids_acquire() const |
1017 { return (jmethodID*)OrderAccess::load_ptr_acquire(&_methods_jmethod_ids); } | |
1018 void release_set_methods_jmethod_ids(jmethodID* jmeths) | |
1019 { OrderAccess::release_store_ptr(&_methods_jmethod_ids, jmeths); } | |
1020 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1021 // Lock during initialization |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
1022 public: |
10343
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
1023 // Lock for (1) initialization; (2) access to the ConstantPool of this class. |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
1024 // Must be one per class and it has to be a VM internal object so java code |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
1025 // cannot lock it (like the mirror). |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
10265
diff
changeset
|
1026 // It has to be an object not a Mutex because it's held through java calls. |
12811
3374b92de2d9
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
12287
diff
changeset
|
1027 oop init_lock() const; |
10152
c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
10149
diff
changeset
|
1028 private: |
12946
b8860472c377
8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread
iklam
parents:
12823
diff
changeset
|
1029 void fence_and_clear_init_lock(); |
0 | 1030 |
1031 // Static methods that are used to implement member methods where an exposed this pointer | |
1032 // is needed due to possible GCs | |
1033 static bool link_class_impl (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS); | |
1034 static bool verify_code (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS); | |
1035 static void initialize_impl (instanceKlassHandle this_oop, TRAPS); | |
1036 static void eager_initialize_impl (instanceKlassHandle this_oop); | |
1037 static void set_initialization_state_and_notify_impl (instanceKlassHandle this_oop, ClassState state, TRAPS); | |
1038 static void call_class_initializer_impl (instanceKlassHandle this_oop, TRAPS); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1039 static Klass* array_klass_impl (instanceKlassHandle this_oop, bool or_null, int n, TRAPS); |
0 | 1040 static void do_local_static_fields_impl (instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS); |
1041 /* jni_id_for_impl for jfieldID only */ | |
1042 static JNIid* jni_id_for_impl (instanceKlassHandle this_oop, int offset); | |
1043 | |
1044 // Returns the array class for the n'th dimension | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1045 Klass* array_klass_impl(bool or_null, int n, TRAPS); |
0 | 1046 |
1047 // Returns the array class with this class as element type | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1048 Klass* array_klass_impl(bool or_null, TRAPS); |
0 | 1049 |
10149
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
1050 // Free CHeap allocated fields. |
d587a5c30bd8
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
10133
diff
changeset
|
1051 void release_C_heap_structures(); |
0 | 1052 public: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1053 // CDS support - remove and restore oops from metadata. Oops are not shared. |
0 | 1054 virtual void remove_unshareable_info(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1055 virtual void restore_unshareable_info(TRAPS); |
0 | 1056 |
1057 // jvm support | |
1058 jint compute_modifier_flags(TRAPS) const; | |
1059 | |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
8719
diff
changeset
|
1060 // JSR-292 support |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
8719
diff
changeset
|
1061 MemberNameTable* member_names() { return _member_names; } |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
8719
diff
changeset
|
1062 void set_member_names(MemberNameTable* member_names) { _member_names = member_names; } |
10345
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
1063 void add_member_name(int index, Handle member_name); |
b7fa10a3a69a
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
10343
diff
changeset
|
1064 oop get_member_name(int index); |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
8719
diff
changeset
|
1065 |
0 | 1066 public: |
1067 // JVMTI support | |
1068 jint jvmti_class_status() const; | |
1069 | |
1070 public: | |
1071 // Printing | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1072 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1073 void print_on(outputStream* st) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1074 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1075 void print_value_on(outputStream* st) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1076 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1126
diff
changeset
|
1077 void oop_print_value_on(oop obj, outputStream* st); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1078 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1126
diff
changeset
|
1079 #ifndef PRODUCT |
0 | 1080 void oop_print_on (oop obj, outputStream* st); |
1081 | |
1082 void print_dependent_nmethods(bool verbose = false); | |
1083 bool is_dependent_nmethod(nmethod* nm); | |
1084 #endif | |
1085 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1086 const char* internal_name() const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1087 |
0 | 1088 // Verification |
11034 | 1089 void verify_on(outputStream* st, bool check_dictionary); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1090 |
0 | 1091 void oop_verify_on(oop obj, outputStream* st); |
1092 }; | |
1093 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1094 inline Method* InstanceKlass::method_at_vtable(int index) { |
0 | 1095 #ifndef PRODUCT |
1096 assert(index >= 0, "valid vtable index"); | |
1097 if (DebugVtables) { | |
1098 verify_vtable_index(index); | |
1099 } | |
1100 #endif | |
1101 vtableEntry* ve = (vtableEntry*)start_of_vtable(); | |
1102 return ve[index].method(); | |
1103 } | |
1104 | |
1105 // for adding methods | |
1106 // UNSET_IDNUM return means no more ids available | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1107 inline u2 InstanceKlass::next_method_idnum() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1108 if (_idnum_allocated_count == ConstMethod::MAX_IDNUM) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1109 return ConstMethod::UNSET_IDNUM; // no more ids available |
0 | 1110 } else { |
1111 return _idnum_allocated_count++; | |
1112 } | |
1113 } | |
1114 | |
1115 | |
1116 /* JNIid class for jfieldIDs only */ | |
6197 | 1117 class JNIid: public CHeapObj<mtClass> { |
0 | 1118 friend class VMStructs; |
1119 private: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1120 Klass* _holder; |
0 | 1121 JNIid* _next; |
1122 int _offset; | |
1123 #ifdef ASSERT | |
1124 bool _is_static_field_id; | |
1125 #endif | |
1126 | |
1127 public: | |
1128 // Accessors | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1129 Klass* holder() const { return _holder; } |
0 | 1130 int offset() const { return _offset; } |
1131 JNIid* next() { return _next; } | |
1132 // Constructor | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1133 JNIid(Klass* holder, int offset, JNIid* next); |
0 | 1134 // Identifier lookup |
1135 JNIid* find(int offset); | |
1136 | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
1137 bool find_local_field(fieldDescriptor* fd) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1138 return InstanceKlass::cast(holder())->find_local_field_from_offset(offset(), true, fd); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
1139 } |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
1140 |
0 | 1141 static void deallocate(JNIid* id); |
1142 // Debugging | |
1143 #ifdef ASSERT | |
1144 bool is_static_field_id() const { return _is_static_field_id; } | |
1145 void set_is_static_field_id() { _is_static_field_id = true; } | |
1146 #endif | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1147 void verify(Klass* holder); |
0 | 1148 }; |
1149 | |
1150 | |
1151 // If breakpoints are more numerous than just JVMTI breakpoints, | |
1152 // consider compressing this data structure. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1153 // It is currently a simple linked list defined in method.hpp. |
0 | 1154 |
1155 class BreakpointInfo; | |
1156 | |
1157 | |
1158 // A collection point for interesting information about the previous | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1159 // version(s) of an InstanceKlass. A GrowableArray of PreviousVersionNodes |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1160 // is attached to the InstanceKlass as needed. See PreviousVersionWalker below. |
6197 | 1161 class PreviousVersionNode : public CHeapObj<mtClass> { |
0 | 1162 private: |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1163 ConstantPool* _prev_constant_pool; |
47
2c106685d6d0
6497639: 4/3 Profiling Swing application caused JVM crash
dcubed
parents:
0
diff
changeset
|
1164 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1165 // If the previous version of the InstanceKlass doesn't have any |
0 | 1166 // EMCP methods, then _prev_EMCP_methods will be NULL. If all the |
1167 // EMCP methods have been collected, then _prev_EMCP_methods can | |
1168 // have a length of zero. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1169 GrowableArray<Method*>* _prev_EMCP_methods; |
0 | 1170 |
1171 public: | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1172 PreviousVersionNode(ConstantPool* prev_constant_pool, |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1173 GrowableArray<Method*>* prev_EMCP_methods); |
0 | 1174 ~PreviousVersionNode(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1175 ConstantPool* prev_constant_pool() const { |
0 | 1176 return _prev_constant_pool; |
1177 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1178 GrowableArray<Method*>* prev_EMCP_methods() const { |
0 | 1179 return _prev_EMCP_methods; |
1180 } | |
1181 }; | |
1182 | |
1183 | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1184 // Helper object for walking previous versions. |
0 | 1185 class PreviousVersionWalker : public StackObj { |
1186 private: | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1187 Thread* _thread; |
0 | 1188 GrowableArray<PreviousVersionNode *>* _previous_versions; |
1189 int _current_index; | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1190 |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1191 // A pointer to the current node object so we can handle the deletes. |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1192 PreviousVersionNode* _current_p; |
0 | 1193 |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1194 // The constant pool handle keeps all the methods in this class from being |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1195 // deallocated from the metaspace during class unloading. |
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1196 constantPoolHandle _current_constant_pool_handle; |
0 | 1197 |
1198 public: | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1199 PreviousVersionWalker(Thread* thread, InstanceKlass *ik); |
0 | 1200 |
1201 // Return the interesting information for the next previous version | |
1202 // of the klass. Returns NULL if there are no more previous versions. | |
12281
4f9a42c33738
8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
coleenp
parents:
12067
diff
changeset
|
1203 PreviousVersionNode* next_previous_version(); |
0 | 1204 }; |
1972 | 1205 |
3939 | 1206 |
1207 // | |
1208 // nmethodBucket is used to record dependent nmethods for | |
1209 // deoptimization. nmethod dependencies are actually <klass, method> | |
1210 // pairs but we really only care about the klass part for purposes of | |
1211 // finding nmethods which might need to be deoptimized. Instead of | |
1212 // recording the method, a count of how many times a particular nmethod | |
1213 // was recorded is kept. This ensures that any recording errors are | |
1214 // noticed since an nmethod should be removed as many times are it's | |
1215 // added. | |
1216 // | |
6197 | 1217 class nmethodBucket: public CHeapObj<mtClass> { |
3939 | 1218 friend class VMStructs; |
1219 private: | |
1220 nmethod* _nmethod; | |
1221 int _count; | |
1222 nmethodBucket* _next; | |
1223 | |
1224 public: | |
1225 nmethodBucket(nmethod* nmethod, nmethodBucket* next) { | |
1226 _nmethod = nmethod; | |
1227 _next = next; | |
1228 _count = 1; | |
1229 } | |
1230 int count() { return _count; } | |
1231 int increment() { _count += 1; return _count; } | |
1232 int decrement() { _count -= 1; assert(_count >= 0, "don't underflow"); return _count; } | |
1233 nmethodBucket* next() { return _next; } | |
1234 void set_next(nmethodBucket* b) { _next = b; } | |
1235 nmethod* get_nmethod() { return _nmethod; } | |
1236 }; | |
1237 | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1238 // An iterator that's used to access the inner classes indices in the |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1239 // InstanceKlass::_inner_classes array. |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1240 class InnerClassesIterator : public StackObj { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1241 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1242 Array<jushort>* _inner_classes; |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1243 int _length; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1244 int _idx; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1245 public: |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1246 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1247 InnerClassesIterator(instanceKlassHandle k) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1248 _inner_classes = k->inner_classes(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1249 if (k->inner_classes() != NULL) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1250 _length = _inner_classes->length(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1251 // The inner class array's length should be the multiple of |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1252 // inner_class_next_offset if it only contains the InnerClasses |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1253 // attribute data, or it should be |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1254 // n*inner_class_next_offset+enclosing_method_attribute_size |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1255 // if it also contains the EnclosingMethod data. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1256 assert((_length % InstanceKlass::inner_class_next_offset == 0 || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1257 _length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size), |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1258 "just checking"); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1259 // Remove the enclosing_method portion if exists. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1260 if (_length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1261 _length -= InstanceKlass::enclosing_method_attribute_size; |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1262 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1263 } else { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1264 _length = 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1265 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1266 _idx = 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1267 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1268 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1269 int length() const { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1270 return _length; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1271 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1272 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1273 void next() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1274 _idx += InstanceKlass::inner_class_next_offset; |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1275 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1276 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1277 bool done() const { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1278 return (_idx >= _length); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1279 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1280 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1281 u2 inner_class_info_index() const { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1282 return _inner_classes->at( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1283 _idx + InstanceKlass::inner_class_inner_class_info_offset); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1284 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1285 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1286 void set_inner_class_info_index(u2 index) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1287 _inner_classes->at_put( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1288 _idx + InstanceKlass::inner_class_inner_class_info_offset, index); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1289 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1290 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1291 u2 outer_class_info_index() const { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1292 return _inner_classes->at( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1293 _idx + InstanceKlass::inner_class_outer_class_info_offset); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1294 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1295 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1296 void set_outer_class_info_index(u2 index) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1297 _inner_classes->at_put( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1298 _idx + InstanceKlass::inner_class_outer_class_info_offset, index); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1299 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1300 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1301 u2 inner_name_index() const { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1302 return _inner_classes->at( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1303 _idx + InstanceKlass::inner_class_inner_name_offset); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1304 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1305 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1306 void set_inner_name_index(u2 index) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1307 _inner_classes->at_put( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1308 _idx + InstanceKlass::inner_class_inner_name_offset, index); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1309 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1310 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1311 u2 inner_access_flags() const { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1312 return _inner_classes->at( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6203
diff
changeset
|
1313 _idx + InstanceKlass::inner_class_access_flags_offset); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1314 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1315 }; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4901
diff
changeset
|
1316 |
1972 | 1317 #endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP |