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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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276 Handle<Object> object, | 276 Handle<Object> object, |
277 Handle<Object> key); | 277 Handle<Object> key); |
278 | 278 |
279 // Code generator routines. | 279 // Code generator routines. |
280 static void GenerateInitialize(MacroAssembler* masm, int argc) { | 280 static void GenerateInitialize(MacroAssembler* masm, int argc) { |
281 GenerateMiss(masm, argc); | 281 GenerateMiss(masm, argc); |
282 } | 282 } |
283 static void GenerateMiss(MacroAssembler* masm, int argc); | 283 static void GenerateMiss(MacroAssembler* masm, int argc); |
284 static void GenerateMegamorphic(MacroAssembler* masm, int argc); | 284 static void GenerateMegamorphic(MacroAssembler* masm, int argc); |
285 static void GenerateNormal(MacroAssembler* masm, int argc); | 285 static void GenerateNormal(MacroAssembler* masm, int argc); |
286 static void GenerateNonStrictArguments(MacroAssembler* masm, int argc); | |
287 }; | 286 }; |
288 | 287 |
289 | 288 |
290 class LoadIC: public IC { | 289 class LoadIC: public IC { |
291 public: | 290 public: |
292 explicit LoadIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { | 291 explicit LoadIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { |
293 ASSERT(target()->is_load_stub()); | 292 ASSERT(target()->is_load_stub()); |
294 } | 293 } |
295 | 294 |
296 MUST_USE_RESULT MaybeObject* Load(State state, | 295 MUST_USE_RESULT MaybeObject* Load(State state, |
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402 static void GenerateMiss(MacroAssembler* masm, bool force_generic); | 401 static void GenerateMiss(MacroAssembler* masm, bool force_generic); |
403 static void GenerateRuntimeGetProperty(MacroAssembler* masm); | 402 static void GenerateRuntimeGetProperty(MacroAssembler* masm); |
404 static void GenerateInitialize(MacroAssembler* masm) { | 403 static void GenerateInitialize(MacroAssembler* masm) { |
405 GenerateMiss(masm, false); | 404 GenerateMiss(masm, false); |
406 } | 405 } |
407 static void GeneratePreMonomorphic(MacroAssembler* masm) { | 406 static void GeneratePreMonomorphic(MacroAssembler* masm) { |
408 GenerateMiss(masm, false); | 407 GenerateMiss(masm, false); |
409 } | 408 } |
410 static void GenerateGeneric(MacroAssembler* masm); | 409 static void GenerateGeneric(MacroAssembler* masm); |
411 static void GenerateString(MacroAssembler* masm); | 410 static void GenerateString(MacroAssembler* masm); |
| 411 |
412 static void GenerateIndexedInterceptor(MacroAssembler* masm); | 412 static void GenerateIndexedInterceptor(MacroAssembler* masm); |
413 static void GenerateNonStrictArguments(MacroAssembler* masm); | |
414 | 413 |
415 // Bit mask to be tested against bit field for the cases when | 414 // Bit mask to be tested against bit field for the cases when |
416 // generic stub should go into slow case. | 415 // generic stub should go into slow case. |
417 // Access check is necessary explicitly since generic stub does not perform | 416 // Access check is necessary explicitly since generic stub does not perform |
418 // map checks. | 417 // map checks. |
419 static const int kSlowCaseBitFieldMask = | 418 static const int kSlowCaseBitFieldMask = |
420 (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor); | 419 (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor); |
421 | 420 |
422 virtual MaybeObject* GetFastElementStubWithoutMapCheck( | 421 virtual MaybeObject* GetFastElementStubWithoutMapCheck( |
423 bool is_js_array); | 422 bool is_js_array); |
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461 Builtins::kKeyedLoadIC_Generic); | 460 Builtins::kKeyedLoadIC_Generic); |
462 } | 461 } |
463 Code* pre_monomorphic_stub() { | 462 Code* pre_monomorphic_stub() { |
464 return isolate()->builtins()->builtin( | 463 return isolate()->builtins()->builtin( |
465 Builtins::kKeyedLoadIC_PreMonomorphic); | 464 Builtins::kKeyedLoadIC_PreMonomorphic); |
466 } | 465 } |
467 Code* indexed_interceptor_stub() { | 466 Code* indexed_interceptor_stub() { |
468 return isolate()->builtins()->builtin( | 467 return isolate()->builtins()->builtin( |
469 Builtins::kKeyedLoadIC_IndexedInterceptor); | 468 Builtins::kKeyedLoadIC_IndexedInterceptor); |
470 } | 469 } |
471 Code* non_strict_arguments_stub() { | |
472 return isolate()->builtins()->builtin( | |
473 Builtins::kKeyedLoadIC_NonStrictArguments); | |
474 } | |
475 | 470 |
476 static void Clear(Address address, Code* target); | 471 static void Clear(Address address, Code* target); |
477 | 472 |
478 friend class IC; | 473 friend class IC; |
479 }; | 474 }; |
480 | 475 |
481 | 476 |
482 class StoreIC: public IC { | 477 class StoreIC: public IC { |
483 public: | 478 public: |
484 explicit StoreIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { | 479 explicit StoreIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { |
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565 | 560 |
566 // Code generators for stub routines. Only called once at startup. | 561 // Code generators for stub routines. Only called once at startup. |
567 static void GenerateInitialize(MacroAssembler* masm) { | 562 static void GenerateInitialize(MacroAssembler* masm) { |
568 GenerateMiss(masm, false); | 563 GenerateMiss(masm, false); |
569 } | 564 } |
570 static void GenerateMiss(MacroAssembler* masm, bool force_generic); | 565 static void GenerateMiss(MacroAssembler* masm, bool force_generic); |
571 static void GenerateSlow(MacroAssembler* masm); | 566 static void GenerateSlow(MacroAssembler* masm); |
572 static void GenerateRuntimeSetProperty(MacroAssembler* masm, | 567 static void GenerateRuntimeSetProperty(MacroAssembler* masm, |
573 StrictModeFlag strict_mode); | 568 StrictModeFlag strict_mode); |
574 static void GenerateGeneric(MacroAssembler* masm, StrictModeFlag strict_mode); | 569 static void GenerateGeneric(MacroAssembler* masm, StrictModeFlag strict_mode); |
575 static void GenerateNonStrictArguments(MacroAssembler* masm); | |
576 | 570 |
577 virtual MaybeObject* GetFastElementStubWithoutMapCheck( | 571 virtual MaybeObject* GetFastElementStubWithoutMapCheck( |
578 bool is_js_array); | 572 bool is_js_array); |
579 | 573 |
580 virtual MaybeObject* GetExternalArrayStubWithoutMapCheck( | 574 virtual MaybeObject* GetExternalArrayStubWithoutMapCheck( |
581 JSObject::ElementsKind elements_kind); | 575 JSObject::ElementsKind elements_kind); |
582 | 576 |
583 protected: | 577 protected: |
584 virtual Code::Kind kind() const { return Code::KEYED_STORE_IC; } | 578 virtual Code::Kind kind() const { return Code::KEYED_STORE_IC; } |
585 | 579 |
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624 Builtins::kKeyedStoreIC_Generic_Strict); | 618 Builtins::kKeyedStoreIC_Generic_Strict); |
625 } | 619 } |
626 Code* generic_stub() { | 620 Code* generic_stub() { |
627 return isolate()->builtins()->builtin( | 621 return isolate()->builtins()->builtin( |
628 Builtins::kKeyedStoreIC_Generic); | 622 Builtins::kKeyedStoreIC_Generic); |
629 } | 623 } |
630 Code* generic_stub_strict() { | 624 Code* generic_stub_strict() { |
631 return isolate()->builtins()->builtin( | 625 return isolate()->builtins()->builtin( |
632 Builtins::kKeyedStoreIC_Generic_Strict); | 626 Builtins::kKeyedStoreIC_Generic_Strict); |
633 } | 627 } |
634 Code* non_strict_arguments_stub() { | |
635 return isolate()->builtins()->builtin( | |
636 Builtins::kKeyedStoreIC_NonStrictArguments); | |
637 } | |
638 | 628 |
639 static void Clear(Address address, Code* target); | 629 static void Clear(Address address, Code* target); |
640 | 630 |
641 friend class IC; | 631 friend class IC; |
642 }; | 632 }; |
643 | 633 |
644 | 634 |
645 class UnaryOpIC: public IC { | 635 class UnaryOpIC: public IC { |
646 public: | 636 public: |
647 // sorted: increasingly more unspecific (ignoring UNINITIALIZED) | 637 // sorted: increasingly more unspecific (ignoring UNINITIALIZED) |
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734 | 724 |
735 Token::Value op_; | 725 Token::Value op_; |
736 }; | 726 }; |
737 | 727 |
738 // Helper for BinaryOpIC and CompareIC. | 728 // Helper for BinaryOpIC and CompareIC. |
739 void PatchInlinedSmiCode(Address address); | 729 void PatchInlinedSmiCode(Address address); |
740 | 730 |
741 } } // namespace v8::internal | 731 } } // namespace v8::internal |
742 | 732 |
743 #endif // V8_IC_H_ | 733 #endif // V8_IC_H_ |
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