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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_X64_ASSEMBLER_X64_INL_H_ | 5 #ifndef V8_X64_ASSEMBLER_X64_INL_H_ |
6 #define V8_X64_ASSEMBLER_X64_INL_H_ | 6 #define V8_X64_ASSEMBLER_X64_INL_H_ |
7 | 7 |
8 #include "src/x64/assembler-x64.h" | 8 #include "src/x64/assembler-x64.h" |
9 | 9 |
10 #include "src/base/cpu.h" | 10 #include "src/base/cpu.h" |
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343 | 343 |
344 int RelocInfo::target_address_size() { | 344 int RelocInfo::target_address_size() { |
345 if (IsCodedSpecially()) { | 345 if (IsCodedSpecially()) { |
346 return Assembler::kSpecialTargetSize; | 346 return Assembler::kSpecialTargetSize; |
347 } else { | 347 } else { |
348 return kPointerSize; | 348 return kPointerSize; |
349 } | 349 } |
350 } | 350 } |
351 | 351 |
352 | 352 |
353 void RelocInfo::set_target_address(Address target, | |
354 WriteBarrierMode write_barrier_mode, | |
355 ICacheFlushMode icache_flush_mode) { | |
356 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | |
357 Assembler::set_target_address_at(isolate_, pc_, host_, target, | |
358 icache_flush_mode); | |
359 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && | |
360 IsCodeTarget(rmode_)) { | |
361 Object* target_code = Code::GetCodeFromTargetAddress(target); | |
362 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( | |
363 host(), this, HeapObject::cast(target_code)); | |
364 } | |
365 } | |
366 | |
367 Object* RelocInfo::target_object() { | 353 Object* RelocInfo::target_object() { |
368 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 354 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
369 return Memory::Object_at(pc_); | 355 return Memory::Object_at(pc_); |
370 } | 356 } |
371 | 357 |
372 | 358 |
373 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { | 359 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { |
374 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 360 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
375 if (rmode_ == EMBEDDED_OBJECT) { | 361 if (rmode_ == EMBEDDED_OBJECT) { |
376 return Memory::Object_Handle_at(pc_); | 362 return Memory::Object_Handle_at(pc_); |
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610 void Operand::set_disp64(int64_t disp) { | 596 void Operand::set_disp64(int64_t disp) { |
611 DCHECK_EQ(1, len_); | 597 DCHECK_EQ(1, len_); |
612 int64_t* p = reinterpret_cast<int64_t*>(&buf_[len_]); | 598 int64_t* p = reinterpret_cast<int64_t*>(&buf_[len_]); |
613 *p = disp; | 599 *p = disp; |
614 len_ += sizeof(disp); | 600 len_ += sizeof(disp); |
615 } | 601 } |
616 } // namespace internal | 602 } // namespace internal |
617 } // namespace v8 | 603 } // namespace v8 |
618 | 604 |
619 #endif // V8_X64_ASSEMBLER_X64_INL_H_ | 605 #endif // V8_X64_ASSEMBLER_X64_INL_H_ |
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