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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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383 bool IsCodedSpecially(); | 383 bool IsCodedSpecially(); |
384 | 384 |
385 // Read/modify the code target in the branch/call instruction | 385 // Read/modify the code target in the branch/call instruction |
386 // this relocation applies to; | 386 // this relocation applies to; |
387 // can only be called if IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) | 387 // can only be called if IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) |
388 INLINE(Address target_address()); | 388 INLINE(Address target_address()); |
389 INLINE(void set_target_address(Address target, | 389 INLINE(void set_target_address(Address target, |
390 WriteBarrierMode mode = UPDATE_WRITE_BARRIER)); | 390 WriteBarrierMode mode = UPDATE_WRITE_BARRIER)); |
391 INLINE(Object* target_object()); | 391 INLINE(Object* target_object()); |
392 INLINE(Handle<Object> target_object_handle(Assembler* origin)); | 392 INLINE(Handle<Object> target_object_handle(Assembler* origin)); |
393 INLINE(Object** target_object_address()); | |
394 INLINE(void set_target_object(Object* target, | 393 INLINE(void set_target_object(Object* target, |
395 WriteBarrierMode mode = UPDATE_WRITE_BARRIER)); | 394 WriteBarrierMode mode = UPDATE_WRITE_BARRIER)); |
396 INLINE(Address target_runtime_entry(Assembler* origin)); | 395 INLINE(Address target_runtime_entry(Assembler* origin)); |
397 INLINE(void set_target_runtime_entry(Address target, | 396 INLINE(void set_target_runtime_entry(Address target, |
398 WriteBarrierMode mode = | 397 WriteBarrierMode mode = |
399 UPDATE_WRITE_BARRIER)); | 398 UPDATE_WRITE_BARRIER)); |
400 INLINE(Cell* target_cell()); | 399 INLINE(Cell* target_cell()); |
401 INLINE(Handle<Cell> target_cell_handle()); | 400 INLINE(Handle<Cell> target_cell_handle()); |
402 INLINE(void set_target_cell(Cell* cell, | 401 INLINE(void set_target_cell(Cell* cell, |
403 WriteBarrierMode mode = UPDATE_WRITE_BARRIER)); | 402 WriteBarrierMode mode = UPDATE_WRITE_BARRIER)); |
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479 // to be relocated and not the address of the instruction | 478 // to be relocated and not the address of the instruction |
480 // referencing the constant pool entry (except when rmode_ == | 479 // referencing the constant pool entry (except when rmode_ == |
481 // comment). | 480 // comment). |
482 byte* pc_; | 481 byte* pc_; |
483 Mode rmode_; | 482 Mode rmode_; |
484 union { | 483 union { |
485 intptr_t data_; | 484 intptr_t data_; |
486 double data64_; | 485 double data64_; |
487 }; | 486 }; |
488 Code* host_; | 487 Code* host_; |
489 // Code and Embedded Object pointers on some platforms are stored split | |
490 // across two consecutive 32-bit instructions. Heap management | |
491 // routines expect to access these pointers indirectly. The following | |
492 // location provides a place for these pointers to exist naturally | |
493 // when accessed via the Iterator. | |
494 Object* reconstructed_obj_ptr_; | |
495 // External-reference pointers are also split across instruction-pairs | 488 // External-reference pointers are also split across instruction-pairs |
496 // on some platforms, but are accessed via indirect pointers. This location | 489 // on some platforms, but are accessed via indirect pointers. This location |
497 // provides a place for that pointer to exist naturally. Its address | 490 // provides a place for that pointer to exist naturally. Its address |
498 // is returned by RelocInfo::target_reference_address(). | 491 // is returned by RelocInfo::target_reference_address(). |
499 Address reconstructed_adr_ptr_; | 492 Address reconstructed_adr_ptr_; |
500 friend class RelocIterator; | 493 friend class RelocIterator; |
501 }; | 494 }; |
502 | 495 |
503 | 496 |
504 // RelocInfoWriter serializes a stream of relocation info. It writes towards | 497 // RelocInfoWriter serializes a stream of relocation info. It writes towards |
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1074 public: | 1067 public: |
1075 NullCallWrapper() { } | 1068 NullCallWrapper() { } |
1076 virtual ~NullCallWrapper() { } | 1069 virtual ~NullCallWrapper() { } |
1077 virtual void BeforeCall(int call_size) const { } | 1070 virtual void BeforeCall(int call_size) const { } |
1078 virtual void AfterCall() const { } | 1071 virtual void AfterCall() const { } |
1079 }; | 1072 }; |
1080 | 1073 |
1081 } } // namespace v8::internal | 1074 } } // namespace v8::internal |
1082 | 1075 |
1083 #endif // V8_ASSEMBLER_H_ | 1076 #endif // V8_ASSEMBLER_H_ |
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