Mercurial > hg > truffle
annotate src/share/vm/memory/universe.hpp @ 21201:5b913e452629
AMD64SpillMoveFactory: implement #createStackMove.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Wed, 29 Apr 2015 13:19:43 +0200 |
parents | d3f3f7677537 |
children |
rev | line source |
---|---|
0 | 1 /* |
7982
10d5f25a7c67
8000968: NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes for > 32G CompressedOops
hseigel
parents:
6866
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:
1080
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1080
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:
1080
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_MEMORY_UNIVERSE_HPP |
26 #define SHARE_VM_MEMORY_UNIVERSE_HPP | |
27 | |
28 #include "runtime/handles.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
29 #include "utilities/array.hpp" |
1972 | 30 #include "utilities/growableArray.hpp" |
31 | |
0 | 32 // Universe is a name space holding known system classes and objects in the VM. |
33 // | |
34 // Loaded classes are accessible through the SystemDictionary. | |
35 // | |
36 // The object heap is allocated and accessed through Universe, and various allocation | |
37 // support is provided. Allocation by the interpreter and compiled code is done inline | |
38 // and bails out to Scavenge::invoke_and_allocate. | |
39 | |
40 class CollectedHeap; | |
41 class DeferredObjAllocEvent; | |
42 | |
43 | |
12022
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
44 // A helper class for caching a Method* when the user of the cache |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
45 // only cares about the latest version of the Method*. This cache safely |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
46 // interacts with the RedefineClasses API. |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
47 |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
48 class LatestMethodCache : public CHeapObj<mtClass> { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
49 // We save the Klass* and the idnum of Method* in order to get |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
50 // the current cached Method*. |
0 | 51 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
52 Klass* _klass; |
0 | 53 int _method_idnum; |
54 | |
55 public: | |
12022
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
56 LatestMethodCache() { _klass = NULL; _method_idnum = -1; } |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
57 ~LatestMethodCache() { _klass = NULL; _method_idnum = -1; } |
0 | 58 |
12022
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
59 void init(Klass* k, Method* m); |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
60 Klass* klass() const { return _klass; } |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
61 int method_idnum() const { return _method_idnum; } |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
62 |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
63 Method* get_method(); |
0 | 64 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
65 // Enhanced Class Redefinition support |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
66 void classes_do(void f(Klass*)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
67 f(_klass); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
68 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
69 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
70 // CDS support. Replace the klass in this with the archive version |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
71 // could use this for Enhanced Class Redefinition also. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
72 void serialize(SerializeClosure* f) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
73 f->do_ptr((void**)&_klass); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
74 } |
0 | 75 }; |
76 | |
77 | |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12022
diff
changeset
|
78 // For UseCompressedOops. |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
79 struct NarrowPtrStruct { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12022
diff
changeset
|
80 // Base address for oop-within-java-object materialization. |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12022
diff
changeset
|
81 // NULL if using wide oops or zero based narrow oops. |
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
82 address _base; |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
83 // Number of shift bits for encoding/decoding narrow ptrs. |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
84 // 0 if using wide ptrs or zero based unscaled narrow ptrs, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
85 // LogMinObjAlignmentInBytes/LogKlassAlignmentInBytes otherwise. |
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
86 int _shift; |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
87 // Generate code with implicit null checks for narrow ptrs. |
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
88 bool _use_implicit_null_checks; |
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
89 }; |
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
90 |
3772
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
91 enum VerifyOption { |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
92 VerifyOption_Default = 0, |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
93 |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
94 // G1 |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
95 VerifyOption_G1UsePrevMarking = VerifyOption_Default, |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
96 VerifyOption_G1UseNextMarking = VerifyOption_G1UsePrevMarking + 1, |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
97 VerifyOption_G1UseMarkWord = VerifyOption_G1UseNextMarking + 1 |
6747fd0512e0
7004681: G1: Extend marking verification to Full GCs
johnc
parents:
2426
diff
changeset
|
98 }; |
0 | 99 |
100 class Universe: AllStatic { | |
481
7d7a7c599c17
6578152: fill_region_with_object has usability and safety issues
jcoomes
parents:
196
diff
changeset
|
101 // Ugh. Universe is much too friendly. |
0 | 102 friend class MarkSweep; |
103 friend class oopDesc; | |
104 friend class ClassLoader; | |
105 friend class Arguments; | |
106 friend class SystemDictionary; | |
107 friend class VMStructs; | |
108 friend class VM_PopulateDumpSharedSpace; | |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12022
diff
changeset
|
109 friend class Metaspace; |
0 | 110 |
111 friend jint universe_init(); | |
112 friend void universe2_init(); | |
113 friend bool universe_post_init(); | |
114 | |
115 private: | |
116 // Known classes in the VM | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
117 static Klass* _boolArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
118 static Klass* _byteArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
119 static Klass* _charArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
120 static Klass* _intArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
121 static Klass* _shortArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
122 static Klass* _longArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
123 static Klass* _singleArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
124 static Klass* _doubleArrayKlassObj; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
125 static Klass* _typeArrayKlassObjs[T_VOID+1]; |
0 | 126 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
127 static Klass* _objectArrayKlassObj; |
0 | 128 |
129 // Known objects in the VM | |
130 | |
131 // Primitive objects | |
132 static oop _int_mirror; | |
133 static oop _float_mirror; | |
134 static oop _double_mirror; | |
135 static oop _byte_mirror; | |
136 static oop _bool_mirror; | |
137 static oop _char_mirror; | |
138 static oop _long_mirror; | |
139 static oop _short_mirror; | |
140 static oop _void_mirror; | |
141 | |
142 static oop _main_thread_group; // Reference to the main thread group object | |
143 static oop _system_thread_group; // Reference to the system thread group object | |
144 | |
145 static objArrayOop _the_empty_class_klass_array; // Canonicalized obj array of type java.lang.Class | |
1080
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
860
diff
changeset
|
146 static oop _the_null_string; // A cache of "null" as a Java string |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
860
diff
changeset
|
147 static oop _the_min_jint_string; // A cache of "-2147483648" as a Java string |
12022
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
148 static LatestMethodCache* _finalizer_register_cache; // static method for registering finalizable objects |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
149 static LatestMethodCache* _loader_addClass_cache; // method for registering loaded classes in class loader vector |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
150 static LatestMethodCache* _pd_implies_cache; // method for checking protection domain attributes |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
151 |
13403
9d15b81d5d1b
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
12269
diff
changeset
|
152 static Method* _throw_illegal_access_error; |
9d15b81d5d1b
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
12269
diff
changeset
|
153 |
11064
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
154 // preallocated error objects (no backtrace) |
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
155 static oop _out_of_memory_error_java_heap; |
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
156 static oop _out_of_memory_error_metaspace; |
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
157 static oop _out_of_memory_error_class_metaspace; |
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
158 static oop _out_of_memory_error_array_size; |
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
159 static oop _out_of_memory_error_gc_overhead_limit; |
20705
d3f3f7677537
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
20450
diff
changeset
|
160 static oop _out_of_memory_error_realloc_objects; |
0 | 161 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
162 static Array<int>* _the_empty_int_array; // Canonicalized int array |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
163 static Array<u2>* _the_empty_short_array; // Canonicalized short array |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
164 static Array<Klass*>* _the_empty_klass_array; // Canonicalized klass obj array |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
165 static Array<Method*>* _the_empty_method_array; // Canonicalized method obj array |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
166 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
167 static Array<Klass*>* _the_array_interfaces_array; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
168 |
0 | 169 // array of preallocated error objects with backtrace |
170 static objArrayOop _preallocated_out_of_memory_error_array; | |
171 | |
172 // number of preallocated error objects available for use | |
173 static volatile jint _preallocated_out_of_memory_error_avail_count; | |
174 | |
175 static oop _null_ptr_exception_instance; // preallocated exception object | |
176 static oop _arithmetic_exception_instance; // preallocated exception object | |
177 static oop _virtual_machine_error_instance; // preallocated exception object | |
178 // The object used as an exception dummy when exceptions are thrown for | |
179 // the vm thread. | |
180 static oop _vm_exception; | |
181 | |
20450
fa6c442c59ee
8057827: notify an obj when allocation context stats are available
jcoomes
parents:
13403
diff
changeset
|
182 static oop _allocation_context_notification_obj; |
fa6c442c59ee
8057827: notify an obj when allocation context stats are available
jcoomes
parents:
13403
diff
changeset
|
183 |
0 | 184 // The particular choice of collected heap. |
185 static CollectedHeap* _collectedHeap; | |
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
186 |
12258
69f26e8e09f9
8024760: add more types, fields and constants to VMStructs
twisti
parents:
12110
diff
changeset
|
187 static intptr_t _non_oop_bits; |
69f26e8e09f9
8024760: add more types, fields and constants to VMStructs
twisti
parents:
12110
diff
changeset
|
188 |
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
494
diff
changeset
|
189 // For UseCompressedOops. |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
190 static struct NarrowPtrStruct _narrow_oop; |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12110
diff
changeset
|
191 // For UseCompressedClassPointers. |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
192 static struct NarrowPtrStruct _narrow_klass; |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
193 static address _narrow_ptrs_base; |
0 | 194 |
195 // array of dummy objects used with +FullGCAlot | |
196 debug_only(static objArrayOop _fullgc_alot_dummy_array;) | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
197 // index of next entry to clear |
0 | 198 debug_only(static int _fullgc_alot_dummy_next;) |
199 | |
200 // Compiler/dispatch support | |
201 static int _base_vtable_size; // Java vtbl size of klass Object (in words) | |
202 | |
203 // Initialization | |
204 static bool _bootstrapping; // true during genesis | |
205 static bool _fully_initialized; // true after universe_init and initialize_vtables called | |
206 | |
207 // the array of preallocated errors with backtraces | |
208 static objArrayOop preallocated_out_of_memory_errors() { return _preallocated_out_of_memory_error_array; } | |
209 | |
210 // generate an out of memory error; if possible using an error with preallocated backtrace; | |
211 // otherwise return the given default error. | |
212 static oop gen_out_of_memory_error(oop default_err); | |
213 | |
214 // Historic gc information | |
215 static size_t _heap_capacity_at_last_gc; | |
216 static size_t _heap_used_at_last_gc; | |
217 | |
218 static jint initialize_heap(); | |
219 static void initialize_basic_type_mirrors(TRAPS); | |
220 static void fixup_mirrors(TRAPS); | |
221 | |
222 static void reinitialize_vtable_of(KlassHandle h_k, TRAPS); | |
223 static void reinitialize_itables(TRAPS); | |
224 static void compute_base_vtable_size(); // compute vtable size of class Object | |
225 | |
226 static void genesis(TRAPS); // Create the initial world | |
227 | |
228 // Mirrors for primitive classes (created eagerly) | |
229 static oop check_mirror(oop m) { | |
230 assert(m != NULL, "mirror not initialized"); | |
231 return m; | |
232 } | |
233 | |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
234 static void set_narrow_oop_base(address base) { |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
235 assert(UseCompressedOops, "no compressed oops?"); |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
236 _narrow_oop._base = base; |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
237 } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
238 static void set_narrow_klass_base(address base) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12110
diff
changeset
|
239 assert(UseCompressedClassPointers, "no compressed klass ptrs?"); |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
240 _narrow_klass._base = base; |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
241 } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
242 static void set_narrow_oop_use_implicit_null_checks(bool use) { |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
243 assert(UseCompressedOops, "no compressed ptrs?"); |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
244 _narrow_oop._use_implicit_null_checks = use; |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
245 } |
7982
10d5f25a7c67
8000968: NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes for > 32G CompressedOops
hseigel
parents:
6866
diff
changeset
|
246 |
0 | 247 // Debugging |
248 static int _verify_count; // number of verifies done | |
249 // True during call to verify(). Should only be set/cleared in verify(). | |
250 static bool _verify_in_progress; | |
251 | |
252 static void compute_verify_oop_data(); | |
253 | |
254 public: | |
255 // Known classes in the VM | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
256 static Klass* boolArrayKlassObj() { return _boolArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
257 static Klass* byteArrayKlassObj() { return _byteArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
258 static Klass* charArrayKlassObj() { return _charArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
259 static Klass* intArrayKlassObj() { return _intArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
260 static Klass* shortArrayKlassObj() { return _shortArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
261 static Klass* longArrayKlassObj() { return _longArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
262 static Klass* singleArrayKlassObj() { return _singleArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
263 static Klass* doubleArrayKlassObj() { return _doubleArrayKlassObj; } |
0 | 264 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
265 static Klass* objectArrayKlassObj() { |
0 | 266 return _objectArrayKlassObj; |
267 } | |
268 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
269 static Klass* typeArrayKlassObj(BasicType t) { |
6182
765ee2d1674b
7157365: jruby/bench.bench_timeout crashes with JVM internal error
twisti
parents:
6008
diff
changeset
|
270 assert((uint)t < T_VOID+1, err_msg("range check for type: %s", type2name(t))); |
0 | 271 assert(_typeArrayKlassObjs[t] != NULL, "domain check"); |
272 return _typeArrayKlassObjs[t]; | |
273 } | |
274 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
275 // Known objects in the VM |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
276 static oop int_mirror() { return check_mirror(_int_mirror); } |
0 | 277 static oop float_mirror() { return check_mirror(_float_mirror); } |
278 static oop double_mirror() { return check_mirror(_double_mirror); } | |
279 static oop byte_mirror() { return check_mirror(_byte_mirror); } | |
280 static oop bool_mirror() { return check_mirror(_bool_mirror); } | |
281 static oop char_mirror() { return check_mirror(_char_mirror); } | |
282 static oop long_mirror() { return check_mirror(_long_mirror); } | |
283 static oop short_mirror() { return check_mirror(_short_mirror); } | |
284 static oop void_mirror() { return check_mirror(_void_mirror); } | |
285 | |
286 // table of same | |
287 static oop _mirrors[T_VOID+1]; | |
288 | |
289 static oop java_mirror(BasicType t) { | |
290 assert((uint)t < T_VOID+1, "range check"); | |
291 return check_mirror(_mirrors[t]); | |
292 } | |
293 static oop main_thread_group() { return _main_thread_group; } | |
294 static void set_main_thread_group(oop group) { _main_thread_group = group;} | |
295 | |
296 static oop system_thread_group() { return _system_thread_group; } | |
297 static void set_system_thread_group(oop group) { _system_thread_group = group;} | |
298 | |
299 static objArrayOop the_empty_class_klass_array () { return _the_empty_class_klass_array; } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
300 static Array<Klass*>* the_array_interfaces_array() { return _the_array_interfaces_array; } |
1080
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
860
diff
changeset
|
301 static oop the_null_string() { return _the_null_string; } |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
860
diff
changeset
|
302 static oop the_min_jint_string() { return _the_min_jint_string; } |
11010 | 303 |
12022
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
304 static Method* finalizer_register_method() { return _finalizer_register_cache->get_method(); } |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
305 static Method* loader_addClass_method() { return _loader_addClass_cache->get_method(); } |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
306 |
85147f28faba
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
11065
diff
changeset
|
307 static Method* protection_domain_implies_method() { return _pd_implies_cache->get_method(); } |
11010 | 308 |
0 | 309 static oop null_ptr_exception_instance() { return _null_ptr_exception_instance; } |
310 static oop arithmetic_exception_instance() { return _arithmetic_exception_instance; } | |
311 static oop virtual_machine_error_instance() { return _virtual_machine_error_instance; } | |
312 static oop vm_exception() { return _vm_exception; } | |
20450
fa6c442c59ee
8057827: notify an obj when allocation context stats are available
jcoomes
parents:
13403
diff
changeset
|
313 |
fa6c442c59ee
8057827: notify an obj when allocation context stats are available
jcoomes
parents:
13403
diff
changeset
|
314 static inline oop allocation_context_notification_obj(); |
fa6c442c59ee
8057827: notify an obj when allocation context stats are available
jcoomes
parents:
13403
diff
changeset
|
315 static inline void set_allocation_context_notification_obj(oop obj); |
fa6c442c59ee
8057827: notify an obj when allocation context stats are available
jcoomes
parents:
13403
diff
changeset
|
316 |
13403
9d15b81d5d1b
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
12269
diff
changeset
|
317 static Method* throw_illegal_access_error() { return _throw_illegal_access_error; } |
0 | 318 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
319 static Array<int>* the_empty_int_array() { return _the_empty_int_array; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
320 static Array<u2>* the_empty_short_array() { return _the_empty_short_array; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
321 static Array<Method*>* the_empty_method_array() { return _the_empty_method_array; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
322 static Array<Klass*>* the_empty_klass_array() { return _the_empty_klass_array; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
323 |
0 | 324 // OutOfMemoryError support. Returns an error with the required message. The returned error |
325 // may or may not have a backtrace. If error has a backtrace then the stack trace is already | |
326 // filled in. | |
327 static oop out_of_memory_error_java_heap() { return gen_out_of_memory_error(_out_of_memory_error_java_heap); } | |
11064
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
328 static oop out_of_memory_error_metaspace() { return gen_out_of_memory_error(_out_of_memory_error_metaspace); } |
de2d15ce3d4a
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
10405
diff
changeset
|
329 static oop out_of_memory_error_class_metaspace() { return gen_out_of_memory_error(_out_of_memory_error_class_metaspace); } |
0 | 330 static oop out_of_memory_error_array_size() { return gen_out_of_memory_error(_out_of_memory_error_array_size); } |
331 static oop out_of_memory_error_gc_overhead_limit() { return gen_out_of_memory_error(_out_of_memory_error_gc_overhead_limit); } | |
20705
d3f3f7677537
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
20450
diff
changeset
|
332 static oop out_of_memory_error_realloc_objects() { return gen_out_of_memory_error(_out_of_memory_error_realloc_objects); } |
0 | 333 |
334 // Accessors needed for fast allocation | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
335 static Klass** boolArrayKlassObj_addr() { return &_boolArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
336 static Klass** byteArrayKlassObj_addr() { return &_byteArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
337 static Klass** charArrayKlassObj_addr() { return &_charArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
338 static Klass** intArrayKlassObj_addr() { return &_intArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
339 static Klass** shortArrayKlassObj_addr() { return &_shortArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
340 static Klass** longArrayKlassObj_addr() { return &_longArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
341 static Klass** singleArrayKlassObj_addr() { return &_singleArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
342 static Klass** doubleArrayKlassObj_addr() { return &_doubleArrayKlassObj; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
343 static Klass** objectArrayKlassObj_addr() { return &_objectArrayKlassObj; } |
0 | 344 |
345 // The particular choice of collected heap. | |
346 static CollectedHeap* heap() { return _collectedHeap; } | |
347 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
348 // For UseCompressedOops |
10405 | 349 // Narrow Oop encoding mode: |
350 // 0 - Use 32-bits oops without encoding when | |
351 // NarrowOopHeapBaseMin + heap_size < 4Gb | |
352 // 1 - Use zero based compressed oops with encoding when | |
353 // NarrowOopHeapBaseMin + heap_size < 32Gb | |
354 // 2 - Use compressed oops with heap base + encoding. | |
355 enum NARROW_OOP_MODE { | |
356 UnscaledNarrowOop = 0, | |
357 ZeroBasedNarrowOop = 1, | |
358 HeapBasedNarrowOop = 2 | |
359 }; | |
360 static NARROW_OOP_MODE narrow_oop_mode(); | |
361 static const char* narrow_oop_mode_to_string(NARROW_OOP_MODE mode); | |
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
12056
diff
changeset
|
362 static char* preferred_heap_base(size_t heap_size, size_t alignment, NARROW_OOP_MODE mode); |
10405 | 363 static char* preferred_metaspace_base(size_t heap_size, NARROW_OOP_MODE mode); |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
364 static address narrow_oop_base() { return _narrow_oop._base; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
365 static bool is_narrow_oop_base(void* addr) { return (narrow_oop_base() == (address)addr); } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
366 static int narrow_oop_shift() { return _narrow_oop._shift; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
367 static bool narrow_oop_use_implicit_null_checks() { return _narrow_oop._use_implicit_null_checks; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
368 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12110
diff
changeset
|
369 // For UseCompressedClassPointers |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
370 static address narrow_klass_base() { return _narrow_klass._base; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
371 static bool is_narrow_klass_base(void* addr) { return (narrow_klass_base() == (address)addr); } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
372 static int narrow_klass_shift() { return _narrow_klass._shift; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
373 static bool narrow_klass_use_implicit_null_checks() { return _narrow_klass._use_implicit_null_checks; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
374 |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
375 static address* narrow_ptrs_base_addr() { return &_narrow_ptrs_base; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
376 static void set_narrow_ptrs_base(address a) { _narrow_ptrs_base = a; } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
377 static address narrow_ptrs_base() { return _narrow_ptrs_base; } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
378 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
379 // this is set in vm_version on sparc (and then reset in universe afaict) |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
380 static void set_narrow_oop_shift(int shift) { |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
381 _narrow_oop._shift = shift; |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
382 } |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
383 |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
384 static void set_narrow_klass_shift(int shift) { |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
385 assert(shift == 0 || shift == LogKlassAlignmentInBytes, "invalid shift for klass ptrs"); |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
386 _narrow_klass._shift = shift; |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6751
diff
changeset
|
387 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
388 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
389 // Reserve Java heap and determine CompressedOops mode |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
390 static ReservedSpace reserve_heap(size_t heap_size, size_t alignment); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
391 |
0 | 392 // Historic gc information |
393 static size_t get_heap_capacity_at_last_gc() { return _heap_capacity_at_last_gc; } | |
394 static size_t get_heap_free_at_last_gc() { return _heap_capacity_at_last_gc - _heap_used_at_last_gc; } | |
395 static size_t get_heap_used_at_last_gc() { return _heap_used_at_last_gc; } | |
396 static void update_heap_info_at_gc(); | |
397 | |
398 // Testers | |
399 static bool is_bootstrapping() { return _bootstrapping; } | |
400 static bool is_fully_initialized() { return _fully_initialized; } | |
401 | |
402 static inline bool element_type_should_be_aligned(BasicType type); | |
403 static inline bool field_type_should_be_aligned(BasicType type); | |
404 static bool on_page_boundary(void* addr); | |
405 static bool should_fill_in_stack_trace(Handle throwable); | |
406 static void check_alignment(uintx size, uintx alignment, const char* name); | |
407 | |
408 // Finalizer support. | |
409 static void run_finalizers_on_exit(); | |
410 | |
411 // Iteration | |
412 | |
413 // Apply "f" to the addresses of all the direct heap pointers maintained | |
414 // as static fields of "Universe". | |
415 static void oops_do(OopClosure* f, bool do_all = false); | |
416 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
417 // CDS support |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
418 static void serialize(SerializeClosure* f, bool do_all = false); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
419 |
0 | 420 // Apply "f" to all klasses for basic types (classes not present in |
421 // SystemDictionary). | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
422 static void basic_type_classes_do(void f(Klass*)); |
0 | 423 |
424 // For sharing -- fill in a list of known vtable pointers. | |
425 static void init_self_patching_vtbl_list(void** list, int count); | |
426 | |
427 // Debugging | |
428 static bool verify_in_progress() { return _verify_in_progress; } | |
10186
b06ac540229e
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
7982
diff
changeset
|
429 static void verify(VerifyOption option, const char* prefix, bool silent = VerifySilently); |
b06ac540229e
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
7982
diff
changeset
|
430 static void verify(const char* prefix, bool silent = VerifySilently) { |
b06ac540229e
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
7982
diff
changeset
|
431 verify(VerifyOption_Default, prefix, silent); |
6865
4202510ee0fe
8000831: Heap verification output incorrect/incomplete
johnc
parents:
6751
diff
changeset
|
432 } |
10186
b06ac540229e
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
7982
diff
changeset
|
433 static void verify(bool silent = VerifySilently) { |
b06ac540229e
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
7982
diff
changeset
|
434 verify("", silent); |
6865
4202510ee0fe
8000831: Heap verification output incorrect/incomplete
johnc
parents:
6751
diff
changeset
|
435 } |
4202510ee0fe
8000831: Heap verification output incorrect/incomplete
johnc
parents:
6751
diff
changeset
|
436 |
4073
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3852
diff
changeset
|
437 static int verify_count() { return _verify_count; } |
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3852
diff
changeset
|
438 // The default behavior is to call print_on() on gclog_or_tty. |
0 | 439 static void print(); |
4073
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3852
diff
changeset
|
440 // The extended parameter determines which method on the heap will |
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3852
diff
changeset
|
441 // be called: print_on() (extended == false) or print_extended_on() |
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3852
diff
changeset
|
442 // (extended == true). |
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3852
diff
changeset
|
443 static void print_on(outputStream* st, bool extended = false); |
0 | 444 static void print_heap_at_SIGBREAK(); |
445 static void print_heap_before_gc() { print_heap_before_gc(gclog_or_tty); } | |
446 static void print_heap_after_gc() { print_heap_after_gc(gclog_or_tty); } | |
4944 | 447 static void print_heap_before_gc(outputStream* st, bool ignore_extended = false); |
448 static void print_heap_after_gc(outputStream* st, bool ignore_extended = false); | |
0 | 449 |
450 // Change the number of dummy objects kept reachable by the full gc dummy | |
451 // array; this should trigger relocation in a sliding compaction collector. | |
452 debug_only(static bool release_fullgc_alot_dummy();) | |
453 // The non-oop pattern (see compiledIC.hpp, etc) | |
454 static void* non_oop_word(); | |
455 | |
456 // Oop verification (see MacroAssembler::verify_oop) | |
457 static uintptr_t verify_oop_mask() PRODUCT_RETURN0; | |
458 static uintptr_t verify_oop_bits() PRODUCT_RETURN0; | |
459 static uintptr_t verify_mark_bits() PRODUCT_RETURN0; | |
460 static uintptr_t verify_mark_mask() PRODUCT_RETURN0; | |
461 | |
462 // Flushing and deoptimization | |
463 static void flush_dependents_on(instanceKlassHandle dependee); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3772
diff
changeset
|
464 static void flush_dependents_on(Handle call_site, Handle method_handle); |
0 | 465 #ifdef HOTSWAP |
466 // Flushing and deoptimization in case of evolution | |
467 static void flush_evol_dependents_on(instanceKlassHandle dependee); | |
468 #endif // HOTSWAP | |
469 // Support for fullspeed debugging | |
470 static void flush_dependents_on_method(methodHandle dependee); | |
471 | |
472 // Compiler support | |
473 static int base_vtable_size() { return _base_vtable_size; } | |
474 }; | |
475 | |
6197 | 476 class DeferredObjAllocEvent : public CHeapObj<mtInternal> { |
0 | 477 private: |
478 oop _oop; | |
479 size_t _bytesize; | |
480 jint _arena_id; | |
481 | |
482 public: | |
483 DeferredObjAllocEvent(const oop o, const size_t s, const jint id) { | |
484 _oop = o; | |
485 _bytesize = s; | |
486 _arena_id = id; | |
487 } | |
488 | |
489 ~DeferredObjAllocEvent() { | |
490 } | |
491 | |
492 jint arena_id() { return _arena_id; } | |
493 size_t bytesize() { return _bytesize; } | |
494 oop get_oop() { return _oop; } | |
495 }; | |
1972 | 496 |
497 #endif // SHARE_VM_MEMORY_UNIVERSE_HPP |