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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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| 131 Code::Kind, | 131 Code::Kind, |
| 132 ExtraICState extra_state, | 132 ExtraICState extra_state, |
| 133 Handle<Name> name, | 133 Handle<Name> name, |
| 134 Handle<JSObject> object, | 134 Handle<JSObject> object, |
| 135 Handle<GlobalObject> holder, | 135 Handle<GlobalObject> holder, |
| 136 Handle<PropertyCell> cell, | 136 Handle<PropertyCell> cell, |
| 137 Handle<JSFunction> function); | 137 Handle<JSFunction> function); |
| 138 | 138 |
| 139 // --- | 139 // --- |
| 140 | 140 |
| 141 Handle<Code> ComputeCallInitialize(int argc, RelocInfo::Mode mode); | 141 Handle<Code> ComputeCallInitialize(int argc, ContextualMode mode); |
| 142 | 142 |
| 143 Handle<Code> ComputeKeyedCallInitialize(int argc); | 143 Handle<Code> ComputeKeyedCallInitialize(int argc); |
| 144 | 144 |
| 145 Handle<Code> ComputeCallPreMonomorphic(int argc, | 145 Handle<Code> ComputeCallPreMonomorphic(int argc, |
| 146 Code::Kind kind, | 146 Code::Kind kind, |
| 147 ExtraICState extra_state); | 147 ExtraICState extra_state); |
| 148 | 148 |
| 149 Handle<Code> ComputeCallNormal(int argc, | 149 Handle<Code> ComputeCallNormal(int argc, |
| 150 Code::Kind kind, | 150 Code::Kind kind, |
| 151 ExtraICState state); | 151 ExtraICState state); |
| 152 | 152 |
| 153 Handle<Code> ComputeCallArguments(int argc); | 153 Handle<Code> ComputeCallArguments(int argc); |
| 154 | 154 |
| 155 Handle<Code> ComputeCallMegamorphic(int argc, | 155 Handle<Code> ComputeCallMegamorphic(int argc, |
| 156 Code::Kind kind, | 156 Code::Kind kind, |
| 157 ExtraICState state); | 157 ExtraICState state); |
| 158 | 158 |
| 159 Handle<Code> ComputeCallMiss(int argc, | 159 Handle<Code> ComputeCallMiss(int argc, |
| 160 Code::Kind kind, | 160 Code::Kind kind, |
| 161 ExtraICState state); | 161 ExtraICState state); |
| 162 | 162 |
| 163 // --- | 163 // --- |
| 164 | 164 |
| 165 Handle<Code> ComputeLoad(InlineCacheState ic_state, ExtraICState extra_state); |
| 166 Handle<Code> ComputeStore(InlineCacheState ic_state, |
| 167 ExtraICState extra_state); |
| 168 |
| 169 // --- |
| 170 |
| 165 Handle<Code> ComputeCompareNil(Handle<Map> receiver_map, | 171 Handle<Code> ComputeCompareNil(Handle<Map> receiver_map, |
| 166 CompareNilICStub& stub); | 172 CompareNilICStub& stub); |
| 167 | 173 |
| 168 // --- | 174 // --- |
| 169 | 175 |
| 170 Handle<Code> ComputeLoadElementPolymorphic(MapHandleList* receiver_maps); | 176 Handle<Code> ComputeLoadElementPolymorphic(MapHandleList* receiver_maps); |
| 171 Handle<Code> ComputeStoreElementPolymorphic(MapHandleList* receiver_maps, | 177 Handle<Code> ComputeStoreElementPolymorphic(MapHandleList* receiver_maps, |
| 172 KeyedAccessStoreMode store_mode, | 178 KeyedAccessStoreMode store_mode, |
| 173 StrictModeFlag strict_mode); | 179 StrictModeFlag strict_mode); |
| 174 | 180 |
| 175 Handle<Code> ComputePolymorphicIC(TypeHandleList* types, | 181 Handle<Code> ComputePolymorphicIC(TypeHandleList* types, |
| 176 CodeHandleList* handlers, | 182 CodeHandleList* handlers, |
| 177 int number_of_valid_maps, | 183 int number_of_valid_maps, |
| 178 Handle<Name> name, | 184 Handle<Name> name, |
| 179 ExtraICState extra_ic_state); | 185 ExtraICState extra_ic_state); |
| 180 | 186 |
| 181 // Finds the Code object stored in the Heap::non_monomorphic_cache(). | 187 // Finds the Code object stored in the Heap::non_monomorphic_cache(). |
| 182 Code* FindCallInitialize(int argc, RelocInfo::Mode mode, Code::Kind kind); | 188 Code* FindCallInitialize(int argc, ContextualMode mode, Code::Kind kind); |
| 189 Code* FindPreMonomorphicIC(Code::Kind kind, ExtraICState extra_ic_state); |
| 183 | 190 |
| 184 #ifdef ENABLE_DEBUGGER_SUPPORT | 191 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 185 Handle<Code> ComputeCallDebugBreak(int argc, Code::Kind kind); | 192 Handle<Code> ComputeCallDebugBreak(int argc, Code::Kind kind); |
| 186 | 193 |
| 187 Handle<Code> ComputeCallDebugPrepareStepIn(int argc, Code::Kind kind); | 194 Handle<Code> ComputeCallDebugPrepareStepIn(int argc, Code::Kind kind); |
| 188 #endif | 195 #endif |
| 189 | 196 |
| 190 // Update cache for entry hash(name, map). | 197 // Update cache for entry hash(name, map). |
| 191 Code* Set(Name* name, Map* map, Code* code); | 198 Code* Set(Name* name, Map* map, Code* code); |
| 192 | 199 |
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| 256 static const int kInterceptorArgsNameIndex = 0; | 263 static const int kInterceptorArgsNameIndex = 0; |
| 257 static const int kInterceptorArgsInfoIndex = 1; | 264 static const int kInterceptorArgsInfoIndex = 1; |
| 258 static const int kInterceptorArgsThisIndex = 2; | 265 static const int kInterceptorArgsThisIndex = 2; |
| 259 static const int kInterceptorArgsHolderIndex = 3; | 266 static const int kInterceptorArgsHolderIndex = 3; |
| 260 static const int kInterceptorArgsLength = 4; | 267 static const int kInterceptorArgsLength = 4; |
| 261 | 268 |
| 262 private: | 269 private: |
| 263 explicit StubCache(Isolate* isolate); | 270 explicit StubCache(Isolate* isolate); |
| 264 | 271 |
| 265 Handle<Code> ComputeCallInitialize(int argc, | 272 Handle<Code> ComputeCallInitialize(int argc, |
| 266 RelocInfo::Mode mode, | 273 ContextualMode mode, |
| 267 Code::Kind kind); | 274 Code::Kind kind); |
| 268 | 275 |
| 269 // The stub cache has a primary and secondary level. The two levels have | 276 // The stub cache has a primary and secondary level. The two levels have |
| 270 // different hashing algorithms in order to avoid simultaneous collisions | 277 // different hashing algorithms in order to avoid simultaneous collisions |
| 271 // in both caches. Unlike a probing strategy (quadratic or otherwise) the | 278 // in both caches. Unlike a probing strategy (quadratic or otherwise) the |
| 272 // update strategy on updates is fairly clear and simple: Any existing entry | 279 // update strategy on updates is fairly clear and simple: Any existing entry |
| 273 // in the primary cache is moved to the secondary cache, and secondary cache | 280 // in the primary cache is moved to the secondary cache, and secondary cache |
| 274 // entries are overwritten. | 281 // entries are overwritten. |
| 275 | 282 |
| 276 // Hash algorithm for the primary table. This algorithm is replicated in | 283 // Hash algorithm for the primary table. This algorithm is replicated in |
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| 371 | 378 |
| 372 // Functions to compile either CallIC or KeyedCallIC. The specific kind | 379 // Functions to compile either CallIC or KeyedCallIC. The specific kind |
| 373 // is extracted from the code flags. | 380 // is extracted from the code flags. |
| 374 Handle<Code> CompileCallInitialize(Code::Flags flags); | 381 Handle<Code> CompileCallInitialize(Code::Flags flags); |
| 375 Handle<Code> CompileCallPreMonomorphic(Code::Flags flags); | 382 Handle<Code> CompileCallPreMonomorphic(Code::Flags flags); |
| 376 Handle<Code> CompileCallNormal(Code::Flags flags); | 383 Handle<Code> CompileCallNormal(Code::Flags flags); |
| 377 Handle<Code> CompileCallMegamorphic(Code::Flags flags); | 384 Handle<Code> CompileCallMegamorphic(Code::Flags flags); |
| 378 Handle<Code> CompileCallArguments(Code::Flags flags); | 385 Handle<Code> CompileCallArguments(Code::Flags flags); |
| 379 Handle<Code> CompileCallMiss(Code::Flags flags); | 386 Handle<Code> CompileCallMiss(Code::Flags flags); |
| 380 | 387 |
| 388 Handle<Code> CompileLoadInitialize(Code::Flags flags); |
| 389 Handle<Code> CompileLoadPreMonomorphic(Code::Flags flags); |
| 390 Handle<Code> CompileLoadMegamorphic(Code::Flags flags); |
| 391 |
| 392 Handle<Code> CompileStoreInitialize(Code::Flags flags); |
| 393 Handle<Code> CompileStorePreMonomorphic(Code::Flags flags); |
| 394 Handle<Code> CompileStoreGeneric(Code::Flags flags); |
| 395 Handle<Code> CompileStoreMegamorphic(Code::Flags flags); |
| 396 |
| 381 #ifdef ENABLE_DEBUGGER_SUPPORT | 397 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 382 Handle<Code> CompileCallDebugBreak(Code::Flags flags); | 398 Handle<Code> CompileCallDebugBreak(Code::Flags flags); |
| 383 Handle<Code> CompileCallDebugPrepareStepIn(Code::Flags flags); | 399 Handle<Code> CompileCallDebugPrepareStepIn(Code::Flags flags); |
| 384 #endif | 400 #endif |
| 385 | 401 |
| 386 // Static functions for generating parts of stubs. | 402 // Static functions for generating parts of stubs. |
| 387 static void GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, | 403 static void GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 388 int index, | 404 int index, |
| 389 Register prototype); | 405 Register prototype); |
| 390 | 406 |
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| 496 MacroAssembler* masm() { return &masm_; } | 512 MacroAssembler* masm() { return &masm_; } |
| 497 void set_failure(Failure* failure) { failure_ = failure; } | 513 void set_failure(Failure* failure) { failure_ = failure; } |
| 498 | 514 |
| 499 static void LookupPostInterceptor(Handle<JSObject> holder, | 515 static void LookupPostInterceptor(Handle<JSObject> holder, |
| 500 Handle<Name> name, | 516 Handle<Name> name, |
| 501 LookupResult* lookup); | 517 LookupResult* lookup); |
| 502 | 518 |
| 503 Isolate* isolate() { return isolate_; } | 519 Isolate* isolate() { return isolate_; } |
| 504 Heap* heap() { return isolate()->heap(); } | 520 Heap* heap() { return isolate()->heap(); } |
| 505 Factory* factory() { return isolate()->factory(); } | 521 Factory* factory() { return isolate()->factory(); } |
| 522 ContextualMode contextual_mode() { |
| 523 return IC::GetContextualMode(extra_state()); |
| 524 } |
| 506 | 525 |
| 507 static void GenerateTailCall(MacroAssembler* masm, Handle<Code> code); | 526 static void GenerateTailCall(MacroAssembler* masm, Handle<Code> code); |
| 508 | 527 |
| 509 private: | 528 private: |
| 510 Isolate* isolate_; | 529 Isolate* isolate_; |
| 511 const ExtraICState extra_ic_state_; | 530 const ExtraICState extra_ic_state_; |
| 512 MacroAssembler masm_; | 531 MacroAssembler masm_; |
| 513 Failure* failure_; | 532 Failure* failure_; |
| 514 }; | 533 }; |
| 515 | 534 |
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| 1058 Handle<JSFunction> constant_function_; | 1077 Handle<JSFunction> constant_function_; |
| 1059 bool is_simple_api_call_; | 1078 bool is_simple_api_call_; |
| 1060 Handle<FunctionTemplateInfo> expected_receiver_type_; | 1079 Handle<FunctionTemplateInfo> expected_receiver_type_; |
| 1061 Handle<CallHandlerInfo> api_call_info_; | 1080 Handle<CallHandlerInfo> api_call_info_; |
| 1062 }; | 1081 }; |
| 1063 | 1082 |
| 1064 | 1083 |
| 1065 } } // namespace v8::internal | 1084 } } // namespace v8::internal |
| 1066 | 1085 |
| 1067 #endif // V8_STUB_CACHE_H_ | 1086 #endif // V8_STUB_CACHE_H_ |
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