Mercurial > hg > graal-compiler
annotate src/share/vm/oops/constantPool.hpp @ 14189:1a899ea6b7ed
8031305: (hotspot) com.sun.management.VMOption is missing the ATTACH_ON_DEMAND origin
Reviewed-by: jbachorik, mchung, dholmes
author | sla |
---|---|
date | Tue, 07 Jan 2014 12:32:57 +0100 |
parents | b8860472c377 |
children | 096c224171c4 |
rev | line source |
---|---|
0 | 1 /* |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
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:
1138
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1138
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:
1138
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_CONSTANTPOOLOOP_HPP |
26 #define SHARE_VM_OOPS_CONSTANTPOOLOOP_HPP | |
27 | |
28 #include "oops/arrayOop.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
29 #include "oops/cpCache.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
30 #include "oops/objArrayOop.hpp" |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
31 #include "oops/symbol.hpp" |
1972 | 32 #include "oops/typeArrayOop.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
33 #include "runtime/handles.hpp" |
1972 | 34 #include "utilities/constantTag.hpp" |
35 #ifdef TARGET_ARCH_x86 | |
36 # include "bytes_x86.hpp" | |
37 #endif | |
38 #ifdef TARGET_ARCH_sparc | |
39 # include "bytes_sparc.hpp" | |
40 #endif | |
41 #ifdef TARGET_ARCH_zero | |
42 # include "bytes_zero.hpp" | |
43 #endif | |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
44 #ifdef TARGET_ARCH_arm |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
45 # include "bytes_arm.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
46 #endif |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
47 #ifdef TARGET_ARCH_ppc |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
48 # include "bytes_ppc.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
49 #endif |
1972 | 50 |
0 | 51 // A constantPool is an array containing class constants as described in the |
52 // class file. | |
53 // | |
54 // Most of the constant pool entries are written during class parsing, which | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
55 // is safe. For klass types, the constant pool entry is |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
56 // modified when the entry is resolved. If a klass constant pool |
0 | 57 // entry is read without a lock, only the resolved state guarantees that |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
58 // the entry in the constant pool is a klass object and not a Symbol*. |
0 | 59 |
60 class SymbolHashMap; | |
61 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
62 class CPSlot VALUE_OBJ_CLASS_SPEC { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
63 intptr_t _ptr; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
64 public: |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
65 CPSlot(intptr_t ptr): _ptr(ptr) {} |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
66 CPSlot(Klass* ptr): _ptr((intptr_t)ptr) {} |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
67 CPSlot(Symbol* ptr): _ptr((intptr_t)ptr | 1) {} |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
68 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
69 intptr_t value() { return _ptr; } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
70 bool is_resolved() { return (_ptr & 1) == 0; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
71 bool is_unresolved() { return (_ptr & 1) == 1; } |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
72 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
73 Symbol* get_symbol() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
74 assert(is_unresolved(), "bad call"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
75 return (Symbol*)(_ptr & ~1); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
76 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
77 Klass* get_klass() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
78 assert(is_resolved(), "bad call"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
79 return (Klass*)_ptr; |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
80 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
81 }; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
82 |
7956 | 83 class KlassSizeStats; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
84 class ConstantPool : public Metadata { |
0 | 85 friend class VMStructs; |
86 friend class BytecodeInterpreter; // Directly extracts an oop in the pool for fast instanceof/checkcast | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
87 friend class Universe; // For null constructor |
0 | 88 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
89 Array<u1>* _tags; // the tag array describing the constant pool's contents |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6840
diff
changeset
|
90 ConstantPoolCache* _cache; // the cache holding interpreter runtime information |
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6840
diff
changeset
|
91 InstanceKlass* _pool_holder; // the corresponding class |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
92 Array<u2>* _operands; // for variable-sized (InvokeDynamic) nodes, usually empty |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
93 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
94 // Array of resolved objects from the constant pool and map from resolved |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
95 // object index to original constant pool index |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
96 jobject _resolved_references; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
97 Array<u2>* _reference_map; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
98 |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
99 enum { |
8104 | 100 _has_preresolution = 1, // Flags |
101 _on_stack = 2 | |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
102 }; |
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
103 |
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
104 int _flags; // old fashioned bit twiddling |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
105 int _length; // number of elements in the array |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
106 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
107 union { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
108 // set for CDS to restore resolved references |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
109 int _resolved_reference_length; |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
110 // keeps version number for redefined classes (used in backtrace) |
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
111 int _version; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
112 } _saved; |
0 | 113 |
12946
b8860472c377
8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread
iklam
parents:
12292
diff
changeset
|
114 Monitor* _lock; |
0 | 115 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
116 void set_tags(Array<u1>* tags) { _tags = tags; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
117 void tag_at_put(int which, jbyte t) { tags()->at_put(which, t); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
118 void release_tag_at_put(int which, jbyte t) { tags()->release_at_put(which, t); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
119 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
120 void set_operands(Array<u2>* operands) { _operands = operands; } |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
121 |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
122 int flags() const { return _flags; } |
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
123 void set_flags(int f) { _flags = f; } |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
124 |
0 | 125 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
126 intptr_t* base() const { return (intptr_t*) (((char*) this) + sizeof(ConstantPool)); } |
0 | 127 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
128 CPSlot slot_at(int which) { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
129 assert(is_within_bounds(which), "index out of bounds"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
130 // Uses volatile because the klass slot changes without a lock. |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
131 volatile intptr_t adr = (intptr_t)OrderAccess::load_ptr_acquire(obj_at_addr_raw(which)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
132 assert(adr != 0 || which == 0, "cp entry for klass should not be zero"); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
133 return CPSlot(adr); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
134 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
135 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
136 void slot_at_put(int which, CPSlot s) const { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
137 assert(is_within_bounds(which), "index out of bounds"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
138 assert(s.value() != 0, "Caught something"); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
139 *(intptr_t*)&base()[which] = s.value(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
140 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
141 intptr_t* obj_at_addr_raw(int which) const { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
142 assert(is_within_bounds(which), "index out of bounds"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
143 return (intptr_t*) &base()[which]; |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
144 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
145 |
0 | 146 jint* int_at_addr(int which) const { |
147 assert(is_within_bounds(which), "index out of bounds"); | |
148 return (jint*) &base()[which]; | |
149 } | |
150 | |
151 jlong* long_at_addr(int which) const { | |
152 assert(is_within_bounds(which), "index out of bounds"); | |
153 return (jlong*) &base()[which]; | |
154 } | |
155 | |
156 jfloat* float_at_addr(int which) const { | |
157 assert(is_within_bounds(which), "index out of bounds"); | |
158 return (jfloat*) &base()[which]; | |
159 } | |
160 | |
161 jdouble* double_at_addr(int which) const { | |
162 assert(is_within_bounds(which), "index out of bounds"); | |
163 return (jdouble*) &base()[which]; | |
164 } | |
165 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
166 ConstantPool(Array<u1>* tags); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
167 ConstantPool() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } |
0 | 168 public: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
169 static ConstantPool* allocate(ClassLoaderData* loader_data, int length, TRAPS); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
170 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
171 bool is_constantPool() const volatile { return true; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
172 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
173 Array<u1>* tags() const { return _tags; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
174 Array<u2>* operands() const { return _operands; } |
0 | 175 |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
176 bool has_preresolution() const { return (_flags & _has_preresolution) != 0; } |
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
177 void set_has_preresolution() { _flags |= _has_preresolution; } |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
178 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
179 // Redefine classes support. If a method refering to this constant pool |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
180 // is on the executing stack, or as a handle in vm code, this constant pool |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
181 // can't be removed from the set of previous versions saved in the instance |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
182 // class. |
7949
5daaddd917a1
8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents:
7625
diff
changeset
|
183 bool on_stack() const { return (_flags &_on_stack) != 0; } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
184 void set_on_stack(const bool value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
185 |
0 | 186 // Klass holding pool |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6840
diff
changeset
|
187 InstanceKlass* pool_holder() const { return _pool_holder; } |
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6840
diff
changeset
|
188 void set_pool_holder(InstanceKlass* k) { _pool_holder = k; } |
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6840
diff
changeset
|
189 InstanceKlass** pool_holder_addr() { return &_pool_holder; } |
0 | 190 |
191 // Interpreter runtime support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
192 ConstantPoolCache* cache() const { return _cache; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
193 void set_cache(ConstantPoolCache* cache){ _cache = cache; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
194 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
195 // Create object cache in the constant pool |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
196 void initialize_resolved_references(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
197 intStack reference_map, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
198 int constant_pool_map_length, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
199 TRAPS); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
200 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
201 // resolved strings, methodHandles and callsite objects from the constant pool |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
202 objArrayOop resolved_references() const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
203 // mapping resolved object array indexes to cp indexes and back. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
204 int object_to_cp_index(int index) { return _reference_map->at(index); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
205 int cp_to_object_index(int index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
206 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
207 // Invokedynamic indexes. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
208 // They must look completely different from normal indexes. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
209 // The main reason is that byte swapping is sometimes done on normal indexes. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
210 // Finally, it is helpful for debugging to tell the two apart. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
211 static bool is_invokedynamic_index(int i) { return (i < 0); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
212 static int decode_invokedynamic_index(int i) { assert(is_invokedynamic_index(i), ""); return ~i; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
213 static int encode_invokedynamic_index(int i) { assert(!is_invokedynamic_index(i), ""); return ~i; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
214 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
215 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
216 // The invokedynamic points at a CP cache entry. This entry points back |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
217 // at the original CP entry (CONSTANT_InvokeDynamic) and also (via f2) at an entry |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
218 // in the resolved_references array (which provides the appendix argument). |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
219 int invokedynamic_cp_cache_index(int index) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
220 assert (is_invokedynamic_index(index), "should be a invokedynamic index"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
221 int cache_index = decode_invokedynamic_index(index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
222 return cache_index; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
223 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
224 ConstantPoolCacheEntry* invokedynamic_cp_cache_entry_at(int index) const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
225 // decode index that invokedynamic points to. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
226 int cp_cache_index = invokedynamic_cp_cache_index(index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
227 return cache()->entry_at(cp_cache_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
228 } |
0 | 229 |
230 // Assembly code support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
231 static int tags_offset_in_bytes() { return offset_of(ConstantPool, _tags); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
232 static int cache_offset_in_bytes() { return offset_of(ConstantPool, _cache); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
233 static int pool_holder_offset_in_bytes() { return offset_of(ConstantPool, _pool_holder); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
234 static int resolved_references_offset_in_bytes() { return offset_of(ConstantPool, _resolved_references); } |
0 | 235 |
236 // Storing constants | |
237 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
238 void klass_at_put(int which, Klass* k) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
239 assert(k != NULL, "resolved class shouldn't be null"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
240 assert(is_within_bounds(which), "index out of bounds"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
241 OrderAccess::release_store_ptr((Klass* volatile *)obj_at_addr_raw(which), k); |
0 | 242 // The interpreter assumes when the tag is stored, the klass is resolved |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
243 // and the Klass* is a klass rather than a Symbol*, so we need |
0 | 244 // hardware store ordering here. |
245 release_tag_at_put(which, JVM_CONSTANT_Class); | |
246 } | |
247 | |
248 // For temporary use while constructing constant pool | |
249 void klass_index_at_put(int which, int name_index) { | |
250 tag_at_put(which, JVM_CONSTANT_ClassIndex); | |
251 *int_at_addr(which) = name_index; | |
252 } | |
253 | |
254 // Temporary until actual use | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
255 void unresolved_klass_at_put(int which, Symbol* s) { |
0 | 256 release_tag_at_put(which, JVM_CONSTANT_UnresolvedClass); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
257 slot_at_put(which, s); |
0 | 258 } |
259 | |
1602 | 260 void method_handle_index_at_put(int which, int ref_kind, int ref_index) { |
261 tag_at_put(which, JVM_CONSTANT_MethodHandle); | |
262 *int_at_addr(which) = ((jint) ref_index<<16) | ref_kind; | |
263 } | |
264 | |
265 void method_type_index_at_put(int which, int ref_index) { | |
266 tag_at_put(which, JVM_CONSTANT_MethodType); | |
267 *int_at_addr(which) = ref_index; | |
268 } | |
269 | |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
270 void invoke_dynamic_at_put(int which, int bootstrap_specifier_index, int name_and_type_index) { |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
271 tag_at_put(which, JVM_CONSTANT_InvokeDynamic); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
272 *int_at_addr(which) = ((jint) name_and_type_index<<16) | bootstrap_specifier_index; |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
273 } |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
274 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
275 void unresolved_string_at_put(int which, Symbol* s) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
276 release_tag_at_put(which, JVM_CONSTANT_String); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
277 *symbol_at_addr(which) = s; |
0 | 278 } |
279 | |
280 void int_at_put(int which, jint i) { | |
281 tag_at_put(which, JVM_CONSTANT_Integer); | |
282 *int_at_addr(which) = i; | |
283 } | |
284 | |
285 void long_at_put(int which, jlong l) { | |
286 tag_at_put(which, JVM_CONSTANT_Long); | |
287 // *long_at_addr(which) = l; | |
288 Bytes::put_native_u8((address)long_at_addr(which), *((u8*) &l)); | |
289 } | |
290 | |
291 void float_at_put(int which, jfloat f) { | |
292 tag_at_put(which, JVM_CONSTANT_Float); | |
293 *float_at_addr(which) = f; | |
294 } | |
295 | |
296 void double_at_put(int which, jdouble d) { | |
297 tag_at_put(which, JVM_CONSTANT_Double); | |
298 // *double_at_addr(which) = d; | |
299 // u8 temp = *(u8*) &d; | |
300 Bytes::put_native_u8((address) double_at_addr(which), *((u8*) &d)); | |
301 } | |
302 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
303 Symbol** symbol_at_addr(int which) const { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
304 assert(is_within_bounds(which), "index out of bounds"); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
305 return (Symbol**) &base()[which]; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
306 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
307 |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
308 void symbol_at_put(int which, Symbol* s) { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
309 assert(s->refcount() != 0, "should have nonzero refcount"); |
0 | 310 tag_at_put(which, JVM_CONSTANT_Utf8); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
311 *symbol_at_addr(which) = s; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
312 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
313 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
314 void string_at_put(int which, int obj_index, oop str) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
315 resolved_references()->obj_at_put(obj_index, str); |
0 | 316 } |
317 | |
318 // For temporary use while constructing constant pool | |
319 void string_index_at_put(int which, int string_index) { | |
320 tag_at_put(which, JVM_CONSTANT_StringIndex); | |
321 *int_at_addr(which) = string_index; | |
322 } | |
323 | |
324 void field_at_put(int which, int class_index, int name_and_type_index) { | |
325 tag_at_put(which, JVM_CONSTANT_Fieldref); | |
326 *int_at_addr(which) = ((jint) name_and_type_index<<16) | class_index; | |
327 } | |
328 | |
329 void method_at_put(int which, int class_index, int name_and_type_index) { | |
330 tag_at_put(which, JVM_CONSTANT_Methodref); | |
331 *int_at_addr(which) = ((jint) name_and_type_index<<16) | class_index; | |
332 } | |
333 | |
334 void interface_method_at_put(int which, int class_index, int name_and_type_index) { | |
335 tag_at_put(which, JVM_CONSTANT_InterfaceMethodref); | |
336 *int_at_addr(which) = ((jint) name_and_type_index<<16) | class_index; // Not so nice | |
337 } | |
338 | |
339 void name_and_type_at_put(int which, int name_index, int signature_index) { | |
340 tag_at_put(which, JVM_CONSTANT_NameAndType); | |
341 *int_at_addr(which) = ((jint) signature_index<<16) | name_index; // Not so nice | |
342 } | |
343 | |
344 // Tag query | |
345 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
346 constantTag tag_at(int which) const { return (constantTag)tags()->at_acquire(which); } |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
347 |
0 | 348 // Fetching constants |
349 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
350 Klass* klass_at(int which, TRAPS) { |
0 | 351 constantPoolHandle h_this(THREAD, this); |
352 return klass_at_impl(h_this, which, CHECK_NULL); | |
353 } | |
354 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
355 Symbol* klass_name_at(int which); // Returns the name, w/o resolving. |
0 | 356 |
10265
92ef81e2f571
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
10152
diff
changeset
|
357 Klass* resolved_klass_at(int which) const { // Used by Compiler |
0 | 358 guarantee(tag_at(which).is_klass(), "Corrupted constant pool"); |
359 // Must do an acquire here in case another thread resolved the klass | |
360 // behind our back, lest we later load stale values thru the oop. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
361 return CPSlot((Klass*)OrderAccess::load_ptr_acquire(obj_at_addr_raw(which))).get_klass(); |
0 | 362 } |
363 | |
364 // This method should only be used with a cpool lock or during parsing or gc | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
365 Symbol* unresolved_klass_at(int which) { // Temporary until actual use |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
366 Symbol* s = CPSlot((Symbol*)OrderAccess::load_ptr_acquire(obj_at_addr_raw(which))).get_symbol(); |
0 | 367 // check that the klass is still unresolved. |
368 assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool"); | |
369 return s; | |
370 } | |
371 | |
372 // RedefineClasses() API support: | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
373 Symbol* klass_at_noresolve(int which) { return klass_name_at(which); } |
0 | 374 |
375 jint int_at(int which) { | |
376 assert(tag_at(which).is_int(), "Corrupted constant pool"); | |
377 return *int_at_addr(which); | |
378 } | |
379 | |
380 jlong long_at(int which) { | |
381 assert(tag_at(which).is_long(), "Corrupted constant pool"); | |
382 // return *long_at_addr(which); | |
383 u8 tmp = Bytes::get_native_u8((address)&base()[which]); | |
384 return *((jlong*)&tmp); | |
385 } | |
386 | |
387 jfloat float_at(int which) { | |
388 assert(tag_at(which).is_float(), "Corrupted constant pool"); | |
389 return *float_at_addr(which); | |
390 } | |
391 | |
392 jdouble double_at(int which) { | |
393 assert(tag_at(which).is_double(), "Corrupted constant pool"); | |
394 u8 tmp = Bytes::get_native_u8((address)&base()[which]); | |
395 return *((jdouble*)&tmp); | |
396 } | |
397 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
398 Symbol* symbol_at(int which) { |
0 | 399 assert(tag_at(which).is_utf8(), "Corrupted constant pool"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
400 return *symbol_at_addr(which); |
0 | 401 } |
402 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
403 oop string_at(int which, int obj_index, TRAPS) { |
0 | 404 constantPoolHandle h_this(THREAD, this); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
405 return string_at_impl(h_this, which, obj_index, THREAD); |
0 | 406 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
407 oop string_at(int which, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
408 int obj_index = cp_to_object_index(which); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
409 return string_at(which, obj_index, THREAD); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
410 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
411 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
412 // Version that can be used before string oop array is created. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
413 oop uncached_string_at(int which, TRAPS); |
0 | 414 |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
415 // A "pseudo-string" is an non-string oop that has found is way into |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
416 // a String entry. |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2192
diff
changeset
|
417 // Under EnableInvokeDynamic this can happen if the user patches a live |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
418 // object into a CONSTANT_String entry of an anonymous class. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
419 // Method oops internally created for method handles may also |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
420 // use pseudo-strings to link themselves to related metaobjects. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
421 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
422 bool is_pseudo_string_at(int which) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
423 // A pseudo string is a string that doesn't have a symbol in the cpSlot |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
424 return unresolved_string_at(which) == NULL; |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
425 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
426 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
427 oop pseudo_string_at(int which, int obj_index) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
428 assert(tag_at(which).is_string(), "Corrupted constant pool"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
429 assert(unresolved_string_at(which) == NULL, "shouldn't have symbol"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
430 oop s = resolved_references()->obj_at(obj_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
431 return s; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
432 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
433 |
8104 | 434 oop pseudo_string_at(int which) { |
435 assert(tag_at(which).is_string(), "Corrupted constant pool"); | |
436 assert(unresolved_string_at(which) == NULL, "shouldn't have symbol"); | |
437 int obj_index = cp_to_object_index(which); | |
438 oop s = resolved_references()->obj_at(obj_index); | |
439 return s; | |
440 } | |
441 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
442 void pseudo_string_at_put(int which, int obj_index, oop x) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2192
diff
changeset
|
443 assert(EnableInvokeDynamic, ""); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
444 assert(tag_at(which).is_string(), "Corrupted constant pool"); |
8104 | 445 unresolved_string_at_put(which, NULL); // indicates patched string |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
446 string_at_put(which, obj_index, x); // this works just fine |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
447 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
448 |
0 | 449 // only called when we are sure a string entry is already resolved (via an |
450 // earlier string_at call. | |
451 oop resolved_string_at(int which) { | |
452 assert(tag_at(which).is_string(), "Corrupted constant pool"); | |
453 // Must do an acquire here in case another thread resolved the klass | |
454 // behind our back, lest we later load stale values thru the oop. | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6733
diff
changeset
|
455 // we might want a volatile_obj_at in ObjArrayKlass. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
456 int obj_index = cp_to_object_index(which); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
457 return resolved_references()->obj_at(obj_index); |
0 | 458 } |
459 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
460 Symbol* unresolved_string_at(int which) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
461 assert(tag_at(which).is_string(), "Corrupted constant pool"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
462 Symbol* s = *symbol_at_addr(which); |
0 | 463 return s; |
464 } | |
465 | |
466 // Returns an UTF8 for a CONSTANT_String entry at a given index. | |
467 // UTF8 char* representation was chosen to avoid conversion of | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
468 // java_lang_Strings at resolved entries into Symbol*s |
0 | 469 // or vice versa. |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
470 // Caller is responsible for checking for pseudo-strings. |
0 | 471 char* string_at_noresolve(int which); |
472 | |
473 jint name_and_type_at(int which) { | |
474 assert(tag_at(which).is_name_and_type(), "Corrupted constant pool"); | |
475 return *int_at_addr(which); | |
476 } | |
477 | |
12292
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
478 private: |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
479 int method_handle_ref_kind_at(int which, bool error_ok) { |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
480 assert(tag_at(which).is_method_handle() || |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
481 (error_ok && tag_at(which).is_method_handle_in_error()), "Corrupted constant pool"); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
482 return extract_low_short_from_int(*int_at_addr(which)); // mask out unwanted ref_index bits |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
483 } |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
484 int method_handle_index_at(int which, bool error_ok) { |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
485 assert(tag_at(which).is_method_handle() || |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
486 (error_ok && tag_at(which).is_method_handle_in_error()), "Corrupted constant pool"); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
487 return extract_high_short_from_int(*int_at_addr(which)); // shift out unwanted ref_kind bits |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
488 } |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
489 int method_type_index_at(int which, bool error_ok) { |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
490 assert(tag_at(which).is_method_type() || |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
491 (error_ok && tag_at(which).is_method_type_in_error()), "Corrupted constant pool"); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
492 return *int_at_addr(which); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
493 } |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
494 public: |
1602 | 495 int method_handle_ref_kind_at(int which) { |
12292
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
496 return method_handle_ref_kind_at(which, false); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
497 } |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
498 int method_handle_ref_kind_at_error_ok(int which) { |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
499 return method_handle_ref_kind_at(which, true); |
1602 | 500 } |
501 int method_handle_index_at(int which) { | |
12292
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
502 return method_handle_index_at(which, false); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
503 } |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
504 int method_handle_index_at_error_ok(int which) { |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
505 return method_handle_index_at(which, true); |
1602 | 506 } |
507 int method_type_index_at(int which) { | |
12292
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
508 return method_type_index_at(which, false); |
1602 | 509 } |
12292
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
510 int method_type_index_at_error_ok(int which) { |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
511 return method_type_index_at(which, true); |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
512 } |
084b21cd0228
8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents:
12288
diff
changeset
|
513 |
1602 | 514 // Derived queries: |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
515 Symbol* method_handle_name_ref_at(int which) { |
1602 | 516 int member = method_handle_index_at(which); |
517 return impl_name_ref_at(member, true); | |
518 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
519 Symbol* method_handle_signature_ref_at(int which) { |
1602 | 520 int member = method_handle_index_at(which); |
521 return impl_signature_ref_at(member, true); | |
522 } | |
523 int method_handle_klass_index_at(int which) { | |
524 int member = method_handle_index_at(which); | |
525 return impl_klass_ref_index_at(member, true); | |
526 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
527 Symbol* method_type_signature_at(int which) { |
1602 | 528 int sym = method_type_index_at(which); |
529 return symbol_at(sym); | |
530 } | |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
531 |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
532 int invoke_dynamic_name_and_type_ref_index_at(int which) { |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
533 assert(tag_at(which).is_invoke_dynamic(), "Corrupted constant pool"); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
534 return extract_high_short_from_int(*int_at_addr(which)); |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
535 } |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
536 int invoke_dynamic_bootstrap_specifier_index(int which) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
537 assert(tag_at(which).value() == JVM_CONSTANT_InvokeDynamic, "Corrupted constant pool"); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
538 return extract_low_short_from_int(*int_at_addr(which)); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
539 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
540 int invoke_dynamic_operand_base(int which) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
541 int bootstrap_specifier_index = invoke_dynamic_bootstrap_specifier_index(which); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
542 return operand_offset_at(operands(), bootstrap_specifier_index); |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
543 } |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
544 // The first part of the operands array consists of an index into the second part. |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
545 // Extract a 32-bit index value from the first part. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
546 static int operand_offset_at(Array<u2>* operands, int bootstrap_specifier_index) { |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
547 int n = (bootstrap_specifier_index * 2); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
548 assert(n >= 0 && n+2 <= operands->length(), "oob"); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
549 // The first 32-bit index points to the beginning of the second part |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
550 // of the operands array. Make sure this index is in the first part. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
551 DEBUG_ONLY(int second_part = build_int_from_shorts(operands->at(0), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
552 operands->at(1))); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
553 assert(second_part == 0 || n+2 <= second_part, "oob (2)"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
554 int offset = build_int_from_shorts(operands->at(n+0), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
555 operands->at(n+1)); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
556 // The offset itself must point into the second part of the array. |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
557 assert(offset == 0 || offset >= second_part && offset <= operands->length(), "oob (3)"); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
558 return offset; |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
559 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
560 static void operand_offset_at_put(Array<u2>* operands, int bootstrap_specifier_index, int offset) { |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
561 int n = bootstrap_specifier_index * 2; |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
562 assert(n >= 0 && n+2 <= operands->length(), "oob"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
563 operands->at_put(n+0, extract_low_short_from_int(offset)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
564 operands->at_put(n+1, extract_high_short_from_int(offset)); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
565 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
566 static int operand_array_length(Array<u2>* operands) { |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
567 if (operands == NULL || operands->length() == 0) return 0; |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
568 int second_part = operand_offset_at(operands, 0); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
569 return (second_part / 2); |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
570 } |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
571 |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
572 #ifdef ASSERT |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
573 // operand tuples fit together exactly, end to end |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
574 static int operand_limit_at(Array<u2>* operands, int bootstrap_specifier_index) { |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
575 int nextidx = bootstrap_specifier_index + 1; |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
576 if (nextidx == operand_array_length(operands)) |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
577 return operands->length(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
578 else |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
579 return operand_offset_at(operands, nextidx); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
580 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
581 int invoke_dynamic_operand_limit(int which) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
582 int bootstrap_specifier_index = invoke_dynamic_bootstrap_specifier_index(which); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
583 return operand_limit_at(operands(), bootstrap_specifier_index); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
584 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
585 #endif //ASSERT |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
586 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
587 // layout of InvokeDynamic bootstrap method specifier (in second part of operands array): |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
588 enum { |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
589 _indy_bsm_offset = 0, // CONSTANT_MethodHandle bsm |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
590 _indy_argc_offset = 1, // u2 argc |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
591 _indy_argv_offset = 2 // u2 argv[argc] |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
592 }; |
10151
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
593 |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
594 // These functions are used in RedefineClasses for CP merge |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
595 |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
596 int operand_offset_at(int bootstrap_specifier_index) { |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
597 assert(0 <= bootstrap_specifier_index && |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
598 bootstrap_specifier_index < operand_array_length(operands()), |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
599 "Corrupted CP operands"); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
600 return operand_offset_at(operands(), bootstrap_specifier_index); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
601 } |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
602 int operand_bootstrap_method_ref_index_at(int bootstrap_specifier_index) { |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
603 int offset = operand_offset_at(bootstrap_specifier_index); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
604 return operands()->at(offset + _indy_bsm_offset); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
605 } |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
606 int operand_argument_count_at(int bootstrap_specifier_index) { |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
607 int offset = operand_offset_at(bootstrap_specifier_index); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
608 int argc = operands()->at(offset + _indy_argc_offset); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
609 return argc; |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
610 } |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
611 int operand_argument_index_at(int bootstrap_specifier_index, int j) { |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
612 int offset = operand_offset_at(bootstrap_specifier_index); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
613 return operands()->at(offset + _indy_argv_offset + j); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
614 } |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
615 int operand_next_offset_at(int bootstrap_specifier_index) { |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
616 int offset = operand_offset_at(bootstrap_specifier_index) + _indy_argv_offset |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
617 + operand_argument_count_at(bootstrap_specifier_index); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
618 return offset; |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
619 } |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
620 // Compare a bootsrap specifier in the operands arrays |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
621 bool compare_operand_to(int bootstrap_specifier_index1, constantPoolHandle cp2, |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
622 int bootstrap_specifier_index2, TRAPS); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
623 // Find a bootsrap specifier in the operands array |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
624 int find_matching_operand(int bootstrap_specifier_index, constantPoolHandle search_cp, |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
625 int operands_cur_len, TRAPS); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
626 // Resize the operands array with delta_len and delta_size |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
627 void resize_operands(int delta_len, int delta_size, TRAPS); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
628 // Extend the operands array with the length and size of the ext_cp operands |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
629 void extend_operands(constantPoolHandle ext_cp, TRAPS); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
630 // Shrink the operands array to a smaller array with new_len length |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
631 void shrink_operands(int new_len, TRAPS); |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
632 |
15a99ca4ee34
8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents:
8104
diff
changeset
|
633 |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
634 int invoke_dynamic_bootstrap_method_ref_index_at(int which) { |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
635 assert(tag_at(which).is_invoke_dynamic(), "Corrupted constant pool"); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
636 int op_base = invoke_dynamic_operand_base(which); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
637 return operands()->at(op_base + _indy_bsm_offset); |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
638 } |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
639 int invoke_dynamic_argument_count_at(int which) { |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
640 assert(tag_at(which).is_invoke_dynamic(), "Corrupted constant pool"); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
641 int op_base = invoke_dynamic_operand_base(which); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
642 int argc = operands()->at(op_base + _indy_argc_offset); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
643 DEBUG_ONLY(int end_offset = op_base + _indy_argv_offset + argc; |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
644 int next_offset = invoke_dynamic_operand_limit(which)); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
645 assert(end_offset == next_offset, "matched ending"); |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
646 return argc; |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
647 } |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
648 int invoke_dynamic_argument_index_at(int which, int j) { |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
649 int op_base = invoke_dynamic_operand_base(which); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
650 DEBUG_ONLY(int argc = operands()->at(op_base + _indy_argc_offset)); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
651 assert((uint)j < (uint)argc, "oob"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
652 return operands()->at(op_base + _indy_argv_offset + j); |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1602
diff
changeset
|
653 } |
1602 | 654 |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
655 // The following methods (name/signature/klass_ref_at, klass_ref_at_noresolve, |
1059
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
726
diff
changeset
|
656 // name_and_type_ref_index_at) all expect to be passed indices obtained |
1910
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
657 // directly from the bytecode. |
1059
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
726
diff
changeset
|
658 // If the indices are meant to refer to fields or methods, they are |
1910
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
659 // actually rewritten constant pool cache indices. |
1059
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
726
diff
changeset
|
660 // The routine remap_instruction_operand_from_cache manages the adjustment |
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
726
diff
changeset
|
661 // of these values back to constant pool indices. |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
662 |
1059
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
726
diff
changeset
|
663 // There are also "uncached" versions which do not adjust the operand index; see below. |
0 | 664 |
1910
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
665 // FIXME: Consider renaming these with a prefix "cached_" to make the distinction clear. |
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
666 // In a few cases (the verifier) there are uses before a cpcache has been built, |
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
667 // which are handled by a dynamic check in remap_instruction_operand_from_cache. |
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
668 // FIXME: Remove the dynamic check, and adjust all callers to specify the correct mode. |
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
669 |
0 | 670 // Lookup for entries consisting of (klass_index, name_and_type index) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
671 Klass* klass_ref_at(int which, TRAPS); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
672 Symbol* klass_ref_at_noresolve(int which); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
673 Symbol* name_ref_at(int which) { return impl_name_ref_at(which, false); } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
674 Symbol* signature_ref_at(int which) { return impl_signature_ref_at(which, false); } |
0 | 675 |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
676 int klass_ref_index_at(int which) { return impl_klass_ref_index_at(which, false); } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
677 int name_and_type_ref_index_at(int which) { return impl_name_and_type_ref_index_at(which, false); } |
0 | 678 |
679 // Lookup for entries consisting of (name_index, signature_index) | |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
680 int name_ref_index_at(int which_nt); // == low-order jshort of name_and_type_at(which_nt) |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
681 int signature_ref_index_at(int which_nt); // == high-order jshort of name_and_type_at(which_nt) |
0 | 682 |
683 BasicType basic_type_for_signature_at(int which); | |
684 | |
685 // Resolve string constants (to prevent allocation during compilation) | |
686 void resolve_string_constants(TRAPS) { | |
687 constantPoolHandle h_this(THREAD, this); | |
688 resolve_string_constants_impl(h_this, CHECK); | |
689 } | |
690 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
691 // CDS support |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
692 void remove_unshareable_info(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
693 void restore_unshareable_info(TRAPS); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
694 bool resolve_class_constants(TRAPS); |
6733
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
695 // The ConstantPool vtable is restored by this call when the ConstantPool is |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
696 // in the shared archive. See patch_klass_vtables() in metaspaceShared.cpp for |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
697 // all the gory details. SA, dtrace and pstack helpers distinguish metadata |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
698 // by their vtable. |
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
699 void restore_vtable() { guarantee(is_constantPool(), "vtable restored by this call"); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
700 |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
701 private: |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
702 enum { _no_index_sentinel = -1, _possible_index_sentinel = -2 }; |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
703 public: |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
704 |
1602 | 705 // Resolve late bound constants. |
706 oop resolve_constant_at(int index, TRAPS) { | |
707 constantPoolHandle h_this(THREAD, this); | |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
708 return resolve_constant_at_impl(h_this, index, _no_index_sentinel, THREAD); |
1602 | 709 } |
710 | |
711 oop resolve_cached_constant_at(int cache_index, TRAPS) { | |
712 constantPoolHandle h_this(THREAD, this); | |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
713 return resolve_constant_at_impl(h_this, _no_index_sentinel, cache_index, THREAD); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
714 } |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
715 |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
716 oop resolve_possibly_cached_constant_at(int pool_index, TRAPS) { |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
717 constantPoolHandle h_this(THREAD, this); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1910
diff
changeset
|
718 return resolve_constant_at_impl(h_this, pool_index, _possible_index_sentinel, THREAD); |
1602 | 719 } |
720 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
721 oop resolve_bootstrap_specifier_at(int index, TRAPS) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
722 constantPoolHandle h_this(THREAD, this); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
723 return resolve_bootstrap_specifier_at_impl(h_this, index, THREAD); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
724 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
725 |
0 | 726 // Klass name matches name at offset |
727 bool klass_name_at_matches(instanceKlassHandle k, int which); | |
728 | |
729 // Sizing | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
730 int length() const { return _length; } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
731 void set_length(int length) { _length = length; } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
732 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
733 // Tells whether index is within bounds. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
734 bool is_within_bounds(int index) const { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
735 return 0 <= index && index < length(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
736 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
737 |
7956 | 738 // Sizing (in words) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
739 static int header_size() { return sizeof(ConstantPool)/HeapWordSize; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
740 static int size(int length) { return align_object_size(header_size() + length); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
741 int size() const { return size(length()); } |
7956 | 742 #if INCLUDE_SERVICES |
743 void collect_statistics(KlassSizeStats *sz) const; | |
744 #endif | |
0 | 745 |
746 friend class ClassFileParser; | |
747 friend class SystemDictionary; | |
748 | |
749 // Used by compiler to prevent classloading. | |
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
750 static Method* method_at_if_loaded (constantPoolHandle this_oop, int which); |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
751 static bool has_appendix_at_if_loaded (constantPoolHandle this_oop, int which); |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
752 static oop appendix_at_if_loaded (constantPoolHandle this_oop, int which); |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
753 static bool has_method_type_at_if_loaded (constantPoolHandle this_oop, int which); |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
754 static oop method_type_at_if_loaded (constantPoolHandle this_oop, int which); |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
755 static Klass* klass_at_if_loaded (constantPoolHandle this_oop, int which); |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6733
diff
changeset
|
756 static Klass* klass_ref_at_if_loaded (constantPoolHandle this_oop, int which); |
0 | 757 |
758 // Routines currently used for annotations (only called by jvm.cpp) but which might be used in the | |
1910
d1896d1dda3e
6981788: GC map generator sometimes picks up the wrong kind of instruction operand
jrose
parents:
1660
diff
changeset
|
759 // future by other Java code. These take constant pool indices rather than |
0 | 760 // constant pool cache indices as do the peer methods above. |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
761 Symbol* uncached_klass_ref_at_noresolve(int which); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
762 Symbol* uncached_name_ref_at(int which) { return impl_name_ref_at(which, true); } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
763 Symbol* uncached_signature_ref_at(int which) { return impl_signature_ref_at(which, true); } |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
764 int uncached_klass_ref_index_at(int which) { return impl_klass_ref_index_at(which, true); } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
765 int uncached_name_and_type_ref_index_at(int which) { return impl_name_and_type_ref_index_at(which, true); } |
0 | 766 |
767 // Sharing | |
768 int pre_resolve_shared_klasses(TRAPS); | |
769 | |
770 // Debugging | |
771 const char* printable_name_at(int which) PRODUCT_RETURN0; | |
772 | |
1565 | 773 #ifdef ASSERT |
774 enum { CPCACHE_INDEX_TAG = 0x10000 }; // helps keep CP cache indices distinct from CP indices | |
1602 | 775 #else |
776 enum { CPCACHE_INDEX_TAG = 0 }; // in product mode, this zero value is a no-op | |
1565 | 777 #endif //ASSERT |
778 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
779 static int decode_cpcache_index(int raw_index, bool invokedynamic_ok = false) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
780 if (invokedynamic_ok && is_invokedynamic_index(raw_index)) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
781 return decode_invokedynamic_index(raw_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
782 else |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
783 return raw_index - CPCACHE_INDEX_TAG; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
784 } |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
785 |
0 | 786 private: |
787 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
788 void set_resolved_references(jobject s) { _resolved_references = s; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
789 Array<u2>* reference_map() const { return _reference_map; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
790 void set_reference_map(Array<u2>* o) { _reference_map = o; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
791 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
792 // patch JSR 292 resolved references after the class is linked. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
793 void patch_resolved_references(GrowableArray<Handle>* cp_patches); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
794 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
795 Symbol* impl_name_ref_at(int which, bool uncached); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
796 Symbol* impl_signature_ref_at(int which, bool uncached); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
797 int impl_klass_ref_index_at(int which, bool uncached); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
798 int impl_name_and_type_ref_index_at(int which, bool uncached); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
579
diff
changeset
|
799 |
1565 | 800 int remap_instruction_operand_from_cache(int operand); // operand must be biased by CPCACHE_INDEX_TAG |
0 | 801 |
802 // Used while constructing constant pool (only by ClassFileParser) | |
803 jint klass_index_at(int which) { | |
804 assert(tag_at(which).is_klass_index(), "Corrupted constant pool"); | |
805 return *int_at_addr(which); | |
806 } | |
807 | |
808 jint string_index_at(int which) { | |
809 assert(tag_at(which).is_string_index(), "Corrupted constant pool"); | |
810 return *int_at_addr(which); | |
811 } | |
812 | |
813 // Performs the LinkResolver checks | |
814 static void verify_constant_pool_resolve(constantPoolHandle this_oop, KlassHandle klass, TRAPS); | |
815 | |
816 // Implementation of methods that needs an exposed 'this' pointer, in order to | |
817 // handle GC while executing the method | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
818 static Klass* klass_at_impl(constantPoolHandle this_oop, int which, TRAPS); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
819 static oop string_at_impl(constantPoolHandle this_oop, int which, int obj_index, TRAPS); |
0 | 820 |
821 // Resolve string constants (to prevent allocation during compilation) | |
822 static void resolve_string_constants_impl(constantPoolHandle this_oop, TRAPS); | |
823 | |
1602 | 824 static oop resolve_constant_at_impl(constantPoolHandle this_oop, int index, int cache_index, TRAPS); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
825 static void save_and_throw_exception(constantPoolHandle this_oop, int which, int tag_value, TRAPS); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
826 static oop resolve_bootstrap_specifier_at_impl(constantPoolHandle this_oop, int index, TRAPS); |
1602 | 827 |
0 | 828 public: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
829 // Merging ConstantPool* support: |
0 | 830 bool compare_entry_to(int index1, constantPoolHandle cp2, int index2, TRAPS); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
831 void copy_cp_to(int start_i, int end_i, constantPoolHandle to_cp, int to_i, TRAPS) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
832 constantPoolHandle h_this(THREAD, this); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
833 copy_cp_to_impl(h_this, start_i, end_i, to_cp, to_i, THREAD); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
834 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
835 static void copy_cp_to_impl(constantPoolHandle from_cp, int start_i, int end_i, constantPoolHandle to_cp, int to_i, TRAPS); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
836 static void copy_entry_to(constantPoolHandle from_cp, int from_i, constantPoolHandle to_cp, int to_i, TRAPS); |
7952
edd76a5856f7
8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents:
7949
diff
changeset
|
837 static void copy_operands(constantPoolHandle from_cp, constantPoolHandle to_cp, TRAPS); |
0 | 838 int find_matching_entry(int pattern_i, constantPoolHandle search_cp, TRAPS); |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
839 int version() const { return _saved._version; } |
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
840 void set_version(int version) { _saved._version = version; } |
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
841 void increment_and_save_version(int version) { |
7625 | 842 _saved._version = version >= 0 ? (version + 1) : version; // keep overflow |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
6940
diff
changeset
|
843 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
844 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
845 void set_resolved_reference_length(int length) { _saved._resolved_reference_length = length; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
846 int resolved_reference_length() const { return _saved._resolved_reference_length; } |
12946
b8860472c377
8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread
iklam
parents:
12292
diff
changeset
|
847 void set_lock(Monitor* lock) { _lock = lock; } |
b8860472c377
8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread
iklam
parents:
12292
diff
changeset
|
848 Monitor* lock() { return _lock; } |
0 | 849 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
850 // Decrease ref counts of symbols that are in the constant pool |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
851 // when the holder class is unloaded |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
852 void unreference_symbols(); |
0 | 853 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
854 // Deallocate constant pool for RedefineClasses |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
855 void deallocate_contents(ClassLoaderData* loader_data); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
856 void release_C_heap_structures(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
857 |
0 | 858 // JVMTI accesss - GetConstantPool, RetransformClasses, ... |
859 friend class JvmtiConstantPoolReconstituter; | |
860 | |
861 private: | |
862 jint cpool_entry_size(jint idx); | |
863 jint hash_entries_to(SymbolHashMap *symmap, SymbolHashMap *classmap); | |
864 | |
865 // Copy cpool bytes into byte array. | |
866 // Returns: | |
867 // int > 0, count of the raw cpool bytes that have been copied | |
868 // 0, OutOfMemory error | |
869 // -1, Internal error | |
870 int copy_cpool_bytes(int cpool_size, | |
871 SymbolHashMap* tbl, | |
872 unsigned char *bytes); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
873 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
874 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
875 // Verify |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
876 void verify_on(outputStream* st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
877 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
878 // Printing |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
879 void print_on(outputStream* st) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
880 void print_value_on(outputStream* st) const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
881 void print_entry_on(int index, outputStream* st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
882 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
883 const char* internal_name() const { return "{constant pool}"; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
884 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
885 #ifndef PRODUCT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
886 // Compile the world support |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
887 static void preload_and_initialize_all_classes(ConstantPool* constant_pool, TRAPS); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
888 #endif |
0 | 889 }; |
890 | |
6197 | 891 class SymbolHashMapEntry : public CHeapObj<mtSymbol> { |
0 | 892 private: |
893 unsigned int _hash; // 32-bit hash for item | |
894 SymbolHashMapEntry* _next; // Next element in the linked list for this bucket | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
895 Symbol* _symbol; // 1-st part of the mapping: symbol => value |
0 | 896 u2 _value; // 2-nd part of the mapping: symbol => value |
897 | |
898 public: | |
899 unsigned int hash() const { return _hash; } | |
900 void set_hash(unsigned int hash) { _hash = hash; } | |
901 | |
902 SymbolHashMapEntry* next() const { return _next; } | |
903 void set_next(SymbolHashMapEntry* next) { _next = next; } | |
904 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
905 Symbol* symbol() const { return _symbol; } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
906 void set_symbol(Symbol* sym) { _symbol = sym; } |
0 | 907 |
908 u2 value() const { return _value; } | |
909 void set_value(u2 value) { _value = value; } | |
910 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
911 SymbolHashMapEntry(unsigned int hash, Symbol* symbol, u2 value) |
0 | 912 : _hash(hash), _symbol(symbol), _value(value), _next(NULL) {} |
913 | |
914 }; // End SymbolHashMapEntry class | |
915 | |
916 | |
6197 | 917 class SymbolHashMapBucket : public CHeapObj<mtSymbol> { |
0 | 918 |
919 private: | |
920 SymbolHashMapEntry* _entry; | |
921 | |
922 public: | |
923 SymbolHashMapEntry* entry() const { return _entry; } | |
924 void set_entry(SymbolHashMapEntry* entry) { _entry = entry; } | |
925 void clear() { _entry = NULL; } | |
926 | |
927 }; // End SymbolHashMapBucket class | |
928 | |
929 | |
6197 | 930 class SymbolHashMap: public CHeapObj<mtSymbol> { |
0 | 931 |
932 private: | |
933 // Default number of entries in the table | |
934 enum SymbolHashMap_Constants { | |
935 _Def_HashMap_Size = 256 | |
936 }; | |
937 | |
938 int _table_size; | |
939 SymbolHashMapBucket* _buckets; | |
940 | |
941 void initialize_table(int table_size) { | |
942 _table_size = table_size; | |
6197 | 943 _buckets = NEW_C_HEAP_ARRAY(SymbolHashMapBucket, table_size, mtSymbol); |
0 | 944 for (int index = 0; index < table_size; index++) { |
945 _buckets[index].clear(); | |
946 } | |
947 } | |
948 | |
949 public: | |
950 | |
951 int table_size() const { return _table_size; } | |
952 | |
953 SymbolHashMap() { initialize_table(_Def_HashMap_Size); } | |
954 SymbolHashMap(int table_size) { initialize_table(table_size); } | |
955 | |
956 // hash P(31) from Kernighan & Ritchie | |
957 static unsigned int compute_hash(const char* str, int len) { | |
958 unsigned int hash = 0; | |
959 while (len-- > 0) { | |
960 hash = 31*hash + (unsigned) *str; | |
961 str++; | |
962 } | |
963 return hash; | |
964 } | |
965 | |
966 SymbolHashMapEntry* bucket(int i) { | |
967 return _buckets[i].entry(); | |
968 } | |
969 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
970 void add_entry(Symbol* sym, u2 value); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
971 SymbolHashMapEntry* find_entry(Symbol* sym); |
0 | 972 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2011
diff
changeset
|
973 u2 symbol_to_value(Symbol* sym) { |
0 | 974 SymbolHashMapEntry *entry = find_entry(sym); |
975 return (entry == NULL) ? 0 : entry->value(); | |
976 } | |
977 | |
978 ~SymbolHashMap() { | |
979 SymbolHashMapEntry* next; | |
980 for (int i = 0; i < _table_size; i++) { | |
981 for (SymbolHashMapEntry* cur = bucket(i); cur != NULL; cur = next) { | |
982 next = cur->next(); | |
983 delete(cur); | |
984 } | |
985 } | |
986 delete _buckets; | |
987 } | |
988 }; // End SymbolHashMap class | |
1972 | 989 |
990 #endif // SHARE_VM_OOPS_CONSTANTPOOLOOP_HPP |