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Issue 21133006: introduce eternal handles (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: returns handles, added tests Created 7 years, 4 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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182 V(Smi, arguments_adaptor_deopt_pc_offset, ArgumentsAdaptorDeoptPCOffset) \ 182 V(Smi, arguments_adaptor_deopt_pc_offset, ArgumentsAdaptorDeoptPCOffset) \
183 V(Smi, construct_stub_deopt_pc_offset, ConstructStubDeoptPCOffset) \ 183 V(Smi, construct_stub_deopt_pc_offset, ConstructStubDeoptPCOffset) \
184 V(Smi, getter_stub_deopt_pc_offset, GetterStubDeoptPCOffset) \ 184 V(Smi, getter_stub_deopt_pc_offset, GetterStubDeoptPCOffset) \
185 V(Smi, setter_stub_deopt_pc_offset, SetterStubDeoptPCOffset) \ 185 V(Smi, setter_stub_deopt_pc_offset, SetterStubDeoptPCOffset) \
186 V(JSObject, observation_state, ObservationState) \ 186 V(JSObject, observation_state, ObservationState) \
187 V(Map, external_map, ExternalMap) \ 187 V(Map, external_map, ExternalMap) \
188 V(Symbol, frozen_symbol, FrozenSymbol) \ 188 V(Symbol, frozen_symbol, FrozenSymbol) \
189 V(Symbol, elements_transition_symbol, ElementsTransitionSymbol) \ 189 V(Symbol, elements_transition_symbol, ElementsTransitionSymbol) \
190 V(SeededNumberDictionary, empty_slow_element_dictionary, \ 190 V(SeededNumberDictionary, empty_slow_element_dictionary, \
191 EmptySlowElementDictionary) \ 191 EmptySlowElementDictionary) \
192 V(Symbol, observed_symbol, ObservedSymbol) \ 192 V(Symbol, observed_symbol, ObservedSymbol)
193 V(HeapObject, i18n_template_one, I18nTemplateOne) \
194 V(HeapObject, i18n_template_two, I18nTemplateTwo)
195 193
196 #define ROOT_LIST(V) \ 194 #define ROOT_LIST(V) \
197 STRONG_ROOT_LIST(V) \ 195 STRONG_ROOT_LIST(V) \
198 V(StringTable, string_table, StringTable) 196 V(StringTable, string_table, StringTable)
199 197
200 #define INTERNALIZED_STRING_LIST(V) \ 198 #define INTERNALIZED_STRING_LIST(V) \
201 V(Array_string, "Array") \ 199 V(Array_string, "Array") \
202 V(Object_string, "Object") \ 200 V(Object_string, "Object") \
203 V(proto_string, "__proto__") \ 201 V(proto_string, "__proto__") \
204 V(StringImpl_string, "StringImpl") \ 202 V(StringImpl_string, "StringImpl") \
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1295 void RemoveGCEpilogueCallback(GCEpilogueCallback callback); 1293 void RemoveGCEpilogueCallback(GCEpilogueCallback callback);
1296 1294
1297 void SetGlobalGCPrologueCallback(GCCallback callback) { 1295 void SetGlobalGCPrologueCallback(GCCallback callback) {
1298 ASSERT((callback == NULL) ^ (global_gc_prologue_callback_ == NULL)); 1296 ASSERT((callback == NULL) ^ (global_gc_prologue_callback_ == NULL));
1299 global_gc_prologue_callback_ = callback; 1297 global_gc_prologue_callback_ = callback;
1300 } 1298 }
1301 void SetGlobalGCEpilogueCallback(GCCallback callback) { 1299 void SetGlobalGCEpilogueCallback(GCCallback callback) {
1302 ASSERT((callback == NULL) ^ (global_gc_epilogue_callback_ == NULL)); 1300 ASSERT((callback == NULL) ^ (global_gc_epilogue_callback_ == NULL));
1303 global_gc_epilogue_callback_ = callback; 1301 global_gc_epilogue_callback_ = callback;
1304 } 1302 }
1305 void SetI18nTemplateOne(ObjectTemplateInfo* tmpl) {
1306 set_i18n_template_one(tmpl);
1307 }
1308 void SetI18nTemplateTwo(ObjectTemplateInfo* tmpl) {
1309 set_i18n_template_two(tmpl);
1310 }
1311 1303
1312 // Heap root getters. We have versions with and without type::cast() here. 1304 // Heap root getters. We have versions with and without type::cast() here.
1313 // You can't use type::cast during GC because the assert fails. 1305 // You can't use type::cast during GC because the assert fails.
1314 // TODO(1490): Try removing the unchecked accessors, now that GC marking does 1306 // TODO(1490): Try removing the unchecked accessors, now that GC marking does
1315 // not corrupt the map. 1307 // not corrupt the map.
1316 #define ROOT_ACCESSOR(type, name, camel_name) \ 1308 #define ROOT_ACCESSOR(type, name, camel_name) \
1317 type* name() { \ 1309 type* name() { \
1318 return type::cast(roots_[k##camel_name##RootIndex]); \ 1310 return type::cast(roots_[k##camel_name##RootIndex]); \
1319 } \ 1311 } \
1320 type* raw_unchecked_##name() { \ 1312 type* raw_unchecked_##name() { \
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3049 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. 3041 DisallowHeapAllocation no_allocation; // i.e. no gc allowed.
3050 3042
3051 private: 3043 private:
3052 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); 3044 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
3053 }; 3045 };
3054 #endif // DEBUG 3046 #endif // DEBUG
3055 3047
3056 } } // namespace v8::internal 3048 } } // namespace v8::internal
3057 3049
3058 #endif // V8_HEAP_H_ 3050 #endif // V8_HEAP_H_
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