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Issue 9190001: Backport @10366 to 3.6 Base URL: http://v8.googlecode.com/svn/branches/3.6/
Patch Set: '' Created 8 years, 11 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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72 V(Map, meta_map, MetaMap) \ 72 V(Map, meta_map, MetaMap) \
73 V(Map, hash_table_map, HashTableMap) \ 73 V(Map, hash_table_map, HashTableMap) \
74 V(Smi, stack_limit, StackLimit) \ 74 V(Smi, stack_limit, StackLimit) \
75 V(FixedArray, number_string_cache, NumberStringCache) \ 75 V(FixedArray, number_string_cache, NumberStringCache) \
76 V(Object, instanceof_cache_function, InstanceofCacheFunction) \ 76 V(Object, instanceof_cache_function, InstanceofCacheFunction) \
77 V(Object, instanceof_cache_map, InstanceofCacheMap) \ 77 V(Object, instanceof_cache_map, InstanceofCacheMap) \
78 V(Object, instanceof_cache_answer, InstanceofCacheAnswer) \ 78 V(Object, instanceof_cache_answer, InstanceofCacheAnswer) \
79 V(FixedArray, single_character_string_cache, SingleCharacterStringCache) \ 79 V(FixedArray, single_character_string_cache, SingleCharacterStringCache) \
80 V(FixedArray, string_split_cache, StringSplitCache) \ 80 V(FixedArray, string_split_cache, StringSplitCache) \
81 V(Object, termination_exception, TerminationException) \ 81 V(Object, termination_exception, TerminationException) \
82 V(Smi, string_hash_seed, StringHashSeed) \ 82 V(Smi, hash_seed, HashSeed) \
83 V(FixedArray, empty_fixed_array, EmptyFixedArray) \ 83 V(FixedArray, empty_fixed_array, EmptyFixedArray) \
84 V(ByteArray, empty_byte_array, EmptyByteArray) \ 84 V(ByteArray, empty_byte_array, EmptyByteArray) \
85 V(FixedDoubleArray, empty_fixed_double_array, EmptyFixedDoubleArray) \ 85 V(FixedDoubleArray, empty_fixed_double_array, EmptyFixedDoubleArray) \
86 V(String, empty_string, EmptyString) \ 86 V(String, empty_string, EmptyString) \
87 V(DescriptorArray, empty_descriptor_array, EmptyDescriptorArray) \ 87 V(DescriptorArray, empty_descriptor_array, EmptyDescriptorArray) \
88 V(Map, string_map, StringMap) \ 88 V(Map, string_map, StringMap) \
89 V(Map, ascii_string_map, AsciiStringMap) \ 89 V(Map, ascii_string_map, AsciiStringMap) \
90 V(Map, symbol_map, SymbolMap) \ 90 V(Map, symbol_map, SymbolMap) \
91 V(Map, cons_string_map, ConsStringMap) \ 91 V(Map, cons_string_map, ConsStringMap) \
92 V(Map, cons_ascii_string_map, ConsAsciiStringMap) \ 92 V(Map, cons_ascii_string_map, ConsAsciiStringMap) \
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1294 bool is_safe_to_read_maps() { return is_safe_to_read_maps_; } 1294 bool is_safe_to_read_maps() { return is_safe_to_read_maps_; }
1295 1295
1296 void CallGlobalGCPrologueCallback() { 1296 void CallGlobalGCPrologueCallback() {
1297 if (global_gc_prologue_callback_ != NULL) global_gc_prologue_callback_(); 1297 if (global_gc_prologue_callback_ != NULL) global_gc_prologue_callback_();
1298 } 1298 }
1299 1299
1300 void CallGlobalGCEpilogueCallback() { 1300 void CallGlobalGCEpilogueCallback() {
1301 if (global_gc_epilogue_callback_ != NULL) global_gc_epilogue_callback_(); 1301 if (global_gc_epilogue_callback_ != NULL) global_gc_epilogue_callback_();
1302 } 1302 }
1303 1303
1304 uint32_t StringHashSeed() { 1304 uint32_t HashSeed() {
1305 uint32_t seed = static_cast<uint32_t>(string_hash_seed()->value()); 1305 uint32_t seed = static_cast<uint32_t>(hash_seed()->value());
1306 ASSERT(FLAG_randomize_string_hashes || seed == 0); 1306 ASSERT(FLAG_randomize_hashes || seed == 0);
1307 return seed; 1307 return seed;
1308 } 1308 }
1309 1309
1310 private: 1310 private:
1311 Heap(); 1311 Heap();
1312 1312
1313 // This can be calculated directly from a pointer to the heap; however, it is 1313 // This can be calculated directly from a pointer to the heap; however, it is
1314 // more expedient to get at the isolate directly from within Heap methods. 1314 // more expedient to get at the isolate directly from within Heap methods.
1315 Isolate* isolate_; 1315 Isolate* isolate_;
1316 1316
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2355 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); 2355 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
2356 }; 2356 };
2357 #endif // DEBUG || LIVE_OBJECT_LIST 2357 #endif // DEBUG || LIVE_OBJECT_LIST
2358 2358
2359 2359
2360 } } // namespace v8::internal 2360 } } // namespace v8::internal
2361 2361
2362 #undef HEAP 2362 #undef HEAP
2363 2363
2364 #endif // V8_HEAP_H_ 2364 #endif // V8_HEAP_H_
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