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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 #include "src/x87/codegen-x87.h" | 5 #include "src/x87/codegen-x87.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X87 | 7 #if V8_TARGET_ARCH_X87 |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/heap/heap.h" | 10 #include "src/heap/heap.h" |
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586 __ bind(&done); | 586 __ bind(&done); |
587 } | 587 } |
588 | 588 |
589 | 589 |
590 #undef __ | 590 #undef __ |
591 | 591 |
592 | 592 |
593 CodeAgingHelper::CodeAgingHelper(Isolate* isolate) { | 593 CodeAgingHelper::CodeAgingHelper(Isolate* isolate) { |
594 USE(isolate); | 594 USE(isolate); |
595 DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength); | 595 DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength); |
596 CodePatcher patcher(young_sequence_.start(), young_sequence_.length()); | 596 CodePatcher patcher(isolate, young_sequence_.start(), |
| 597 young_sequence_.length()); |
597 patcher.masm()->push(ebp); | 598 patcher.masm()->push(ebp); |
598 patcher.masm()->mov(ebp, esp); | 599 patcher.masm()->mov(ebp, esp); |
599 patcher.masm()->push(esi); | 600 patcher.masm()->push(esi); |
600 patcher.masm()->push(edi); | 601 patcher.masm()->push(edi); |
601 } | 602 } |
602 | 603 |
603 | 604 |
604 #ifdef DEBUG | 605 #ifdef DEBUG |
605 bool CodeAgingHelper::IsOld(byte* candidate) const { | 606 bool CodeAgingHelper::IsOld(byte* candidate) const { |
606 return *candidate == kCallOpcode; | 607 return *candidate == kCallOpcode; |
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633 void Code::PatchPlatformCodeAge(Isolate* isolate, | 634 void Code::PatchPlatformCodeAge(Isolate* isolate, |
634 byte* sequence, | 635 byte* sequence, |
635 Code::Age age, | 636 Code::Age age, |
636 MarkingParity parity) { | 637 MarkingParity parity) { |
637 uint32_t young_length = isolate->code_aging_helper()->young_sequence_length(); | 638 uint32_t young_length = isolate->code_aging_helper()->young_sequence_length(); |
638 if (age == kNoAgeCodeAge) { | 639 if (age == kNoAgeCodeAge) { |
639 isolate->code_aging_helper()->CopyYoungSequenceTo(sequence); | 640 isolate->code_aging_helper()->CopyYoungSequenceTo(sequence); |
640 Assembler::FlushICache(isolate, sequence, young_length); | 641 Assembler::FlushICache(isolate, sequence, young_length); |
641 } else { | 642 } else { |
642 Code* stub = GetCodeAgeStub(isolate, age, parity); | 643 Code* stub = GetCodeAgeStub(isolate, age, parity); |
643 CodePatcher patcher(sequence, young_length); | 644 CodePatcher patcher(isolate, sequence, young_length); |
644 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32); | 645 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32); |
645 } | 646 } |
646 } | 647 } |
647 | 648 |
648 | 649 |
649 } // namespace internal | 650 } // namespace internal |
650 } // namespace v8 | 651 } // namespace v8 |
651 | 652 |
652 #endif // V8_TARGET_ARCH_X87 | 653 #endif // V8_TARGET_ARCH_X87 |
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