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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_IC_H_ | 5 #ifndef V8_IC_H_ |
| 6 #define V8_IC_H_ | 6 #define V8_IC_H_ |
| 7 | 7 |
| 8 #include "src/ic/ic-state.h" | 8 #include "src/ic/ic-state.h" |
| 9 #include "src/macro-assembler.h" | 9 #include "src/macro-assembler.h" |
| 10 #include "src/messages.h" | 10 #include "src/messages.h" |
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| 250 class CallIC : public IC { | 250 class CallIC : public IC { |
| 251 public: | 251 public: |
| 252 CallIC(Isolate* isolate, CallICNexus* nexus) | 252 CallIC(Isolate* isolate, CallICNexus* nexus) |
| 253 : IC(EXTRA_CALL_FRAME, isolate, nexus) { | 253 : IC(EXTRA_CALL_FRAME, isolate, nexus) { |
| 254 DCHECK(nexus != NULL); | 254 DCHECK(nexus != NULL); |
| 255 } | 255 } |
| 256 | 256 |
| 257 void HandleMiss(Handle<Object> function); | 257 void HandleMiss(Handle<Object> function); |
| 258 | 258 |
| 259 // Code generator routines. | 259 // Code generator routines. |
| 260 static Handle<Code> initialize_stub(Isolate* isolate, int argc, | |
| 261 ConvertReceiverMode mode, | |
| 262 TailCallMode tail_call_mode); | |
| 263 static Handle<Code> initialize_stub_in_optimized_code( | 260 static Handle<Code> initialize_stub_in_optimized_code( |
| 264 Isolate* isolate, int argc, ConvertReceiverMode mode, | 261 Isolate* isolate, int argc, ConvertReceiverMode mode, |
| 265 TailCallMode tail_call_mode); | 262 TailCallMode tail_call_mode); |
| 266 | 263 |
| 267 static void Clear(Isolate* isolate, Code* host, CallICNexus* nexus); | 264 static void Clear(Isolate* isolate, Code* host, CallICNexus* nexus); |
| 268 }; | 265 }; |
| 269 | 266 |
| 270 | 267 |
| 271 class LoadIC : public IC { | 268 class LoadIC : public IC { |
| 272 public: | 269 public: |
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| 287 bool ShouldThrowReferenceError(Handle<Object> receiver) { | 284 bool ShouldThrowReferenceError(Handle<Object> receiver) { |
| 288 return receiver->IsJSGlobalObject() && typeof_mode() == NOT_INSIDE_TYPEOF; | 285 return receiver->IsJSGlobalObject() && typeof_mode() == NOT_INSIDE_TYPEOF; |
| 289 } | 286 } |
| 290 | 287 |
| 291 // Code generator routines. | 288 // Code generator routines. |
| 292 | 289 |
| 293 static void GenerateMiss(MacroAssembler* masm); | 290 static void GenerateMiss(MacroAssembler* masm); |
| 294 static void GenerateRuntimeGetProperty(MacroAssembler* masm); | 291 static void GenerateRuntimeGetProperty(MacroAssembler* masm); |
| 295 static void GenerateNormal(MacroAssembler* masm); | 292 static void GenerateNormal(MacroAssembler* masm); |
| 296 | 293 |
| 297 static Handle<Code> initialize_stub(Isolate* isolate, | |
| 298 ExtraICState extra_state); | |
| 299 static Handle<Code> initialize_stub_in_optimized_code( | 294 static Handle<Code> initialize_stub_in_optimized_code( |
| 300 Isolate* isolate, ExtraICState extra_state, State initialization_state); | 295 Isolate* isolate, ExtraICState extra_state, State initialization_state); |
| 301 | 296 |
| 302 MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object, | 297 MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object, |
| 303 Handle<Name> name); | 298 Handle<Name> name); |
| 304 | 299 |
| 305 static void Clear(Isolate* isolate, Code* host, LoadICNexus* nexus); | 300 static void Clear(Isolate* isolate, Code* host, LoadICNexus* nexus); |
| 306 | 301 |
| 307 protected: | 302 protected: |
| 308 Handle<Code> slow_stub() const { | 303 Handle<Code> slow_stub() const { |
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| 358 static void GenerateRuntimeGetProperty(MacroAssembler* masm); | 353 static void GenerateRuntimeGetProperty(MacroAssembler* masm); |
| 359 static void GenerateMegamorphic(MacroAssembler* masm); | 354 static void GenerateMegamorphic(MacroAssembler* masm); |
| 360 | 355 |
| 361 // Bit mask to be tested against bit field for the cases when | 356 // Bit mask to be tested against bit field for the cases when |
| 362 // generic stub should go into slow case. | 357 // generic stub should go into slow case. |
| 363 // Access check is necessary explicitly since generic stub does not perform | 358 // Access check is necessary explicitly since generic stub does not perform |
| 364 // map checks. | 359 // map checks. |
| 365 static const int kSlowCaseBitFieldMask = | 360 static const int kSlowCaseBitFieldMask = |
| 366 (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor); | 361 (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor); |
| 367 | 362 |
| 368 static Handle<Code> initialize_stub(Isolate* isolate, | |
| 369 ExtraICState extra_state); | |
| 370 static Handle<Code> initialize_stub_in_optimized_code( | 363 static Handle<Code> initialize_stub_in_optimized_code( |
| 371 Isolate* isolate, State initialization_state, ExtraICState extra_state); | 364 Isolate* isolate, State initialization_state, ExtraICState extra_state); |
| 372 static Handle<Code> ChooseMegamorphicStub(Isolate* isolate, | 365 static Handle<Code> ChooseMegamorphicStub(Isolate* isolate, |
| 373 ExtraICState extra_state); | 366 ExtraICState extra_state); |
| 374 | 367 |
| 375 static void Clear(Isolate* isolate, Code* host, KeyedLoadICNexus* nexus); | 368 static void Clear(Isolate* isolate, Code* host, KeyedLoadICNexus* nexus); |
| 376 | 369 |
| 377 protected: | 370 protected: |
| 378 // receiver is HeapObject because it could be a String or a JSObject | 371 // receiver is HeapObject because it could be a String or a JSObject |
| 379 Handle<Code> LoadElementStub(Handle<HeapObject> receiver); | 372 Handle<Code> LoadElementStub(Handle<HeapObject> receiver); |
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| 399 } | 392 } |
| 400 | 393 |
| 401 // Code generators for stub routines. Only called once at startup. | 394 // Code generators for stub routines. Only called once at startup. |
| 402 static void GenerateSlow(MacroAssembler* masm); | 395 static void GenerateSlow(MacroAssembler* masm); |
| 403 static void GenerateMiss(MacroAssembler* masm); | 396 static void GenerateMiss(MacroAssembler* masm); |
| 404 static void GenerateMegamorphic(MacroAssembler* masm); | 397 static void GenerateMegamorphic(MacroAssembler* masm); |
| 405 static void GenerateNormal(MacroAssembler* masm); | 398 static void GenerateNormal(MacroAssembler* masm); |
| 406 static void GenerateRuntimeSetProperty(MacroAssembler* masm, | 399 static void GenerateRuntimeSetProperty(MacroAssembler* masm, |
| 407 LanguageMode language_mode); | 400 LanguageMode language_mode); |
| 408 | 401 |
| 409 static Handle<Code> initialize_stub(Isolate* isolate, | |
| 410 LanguageMode language_mode, | |
| 411 State initialization_state); | |
| 412 static Handle<Code> initialize_stub_in_optimized_code( | 402 static Handle<Code> initialize_stub_in_optimized_code( |
| 413 Isolate* isolate, LanguageMode language_mode, State initialization_state); | 403 Isolate* isolate, LanguageMode language_mode, State initialization_state); |
| 414 | 404 |
| 415 MUST_USE_RESULT MaybeHandle<Object> Store( | 405 MUST_USE_RESULT MaybeHandle<Object> Store( |
| 416 Handle<Object> object, Handle<Name> name, Handle<Object> value, | 406 Handle<Object> object, Handle<Name> name, Handle<Object> value, |
| 417 JSReceiver::StoreFromKeyed store_mode = | 407 JSReceiver::StoreFromKeyed store_mode = |
| 418 JSReceiver::CERTAINLY_NOT_STORE_FROM_KEYED); | 408 JSReceiver::CERTAINLY_NOT_STORE_FROM_KEYED); |
| 419 | 409 |
| 420 bool LookupForWrite(LookupIterator* it, Handle<Object> value, | 410 bool LookupForWrite(LookupIterator* it, Handle<Object> value, |
| 421 JSReceiver::StoreFromKeyed store_mode); | 411 JSReceiver::StoreFromKeyed store_mode); |
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| 473 MUST_USE_RESULT MaybeHandle<Object> Store(Handle<Object> object, | 463 MUST_USE_RESULT MaybeHandle<Object> Store(Handle<Object> object, |
| 474 Handle<Object> name, | 464 Handle<Object> name, |
| 475 Handle<Object> value); | 465 Handle<Object> value); |
| 476 | 466 |
| 477 // Code generators for stub routines. Only called once at startup. | 467 // Code generators for stub routines. Only called once at startup. |
| 478 static void GenerateMiss(MacroAssembler* masm); | 468 static void GenerateMiss(MacroAssembler* masm); |
| 479 static void GenerateSlow(MacroAssembler* masm); | 469 static void GenerateSlow(MacroAssembler* masm); |
| 480 static void GenerateMegamorphic(MacroAssembler* masm, | 470 static void GenerateMegamorphic(MacroAssembler* masm, |
| 481 LanguageMode language_mode); | 471 LanguageMode language_mode); |
| 482 | 472 |
| 483 static Handle<Code> initialize_stub(Isolate* isolate, | |
| 484 LanguageMode language_mode, | |
| 485 State initialization_state); | |
| 486 | |
| 487 static Handle<Code> initialize_stub_in_optimized_code( | 473 static Handle<Code> initialize_stub_in_optimized_code( |
| 488 Isolate* isolate, LanguageMode language_mode, State initialization_state); | 474 Isolate* isolate, LanguageMode language_mode, State initialization_state); |
| 489 static Handle<Code> ChooseMegamorphicStub(Isolate* isolate, | 475 static Handle<Code> ChooseMegamorphicStub(Isolate* isolate, |
| 490 ExtraICState extra_state); | 476 ExtraICState extra_state); |
| 491 | 477 |
| 492 static void Clear(Isolate* isolate, Code* host, KeyedStoreICNexus* nexus); | 478 static void Clear(Isolate* isolate, Code* host, KeyedStoreICNexus* nexus); |
| 493 | 479 |
| 494 protected: | 480 protected: |
| 495 Handle<Code> StoreElementStub(Handle<Map> receiver_map, | 481 Handle<Code> StoreElementStub(Handle<Map> receiver_map, |
| 496 KeyedAccessStoreMode store_mode); | 482 KeyedAccessStoreMode store_mode); |
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| 555 | 541 |
| 556 // Helper for BinaryOpIC and CompareIC. | 542 // Helper for BinaryOpIC and CompareIC. |
| 557 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; | 543 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; |
| 558 void PatchInlinedSmiCode(Isolate* isolate, Address address, | 544 void PatchInlinedSmiCode(Isolate* isolate, Address address, |
| 559 InlinedSmiCheck check); | 545 InlinedSmiCheck check); |
| 560 | 546 |
| 561 } // namespace internal | 547 } // namespace internal |
| 562 } // namespace v8 | 548 } // namespace v8 |
| 563 | 549 |
| 564 #endif // V8_IC_H_ | 550 #endif // V8_IC_H_ |
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