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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_PPC | 7 #if V8_TARGET_ARCH_PPC |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
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639 return result; | 639 return result; |
640 } | 640 } |
641 | 641 |
642 | 642 |
643 void Code::GetCodeAgeAndParity(Isolate* isolate, byte* sequence, Age* age, | 643 void Code::GetCodeAgeAndParity(Isolate* isolate, byte* sequence, Age* age, |
644 MarkingParity* parity) { | 644 MarkingParity* parity) { |
645 if (IsYoungSequence(isolate, sequence)) { | 645 if (IsYoungSequence(isolate, sequence)) { |
646 *age = kNoAgeCodeAge; | 646 *age = kNoAgeCodeAge; |
647 *parity = NO_MARKING_PARITY; | 647 *parity = NO_MARKING_PARITY; |
648 } else { | 648 } else { |
649 ConstantPoolArray* constant_pool = NULL; | 649 Code* code = NULL; |
650 Address target_address = Assembler::target_address_at( | 650 Address target_address = |
651 sequence + kCodeAgingTargetDelta, constant_pool); | 651 Assembler::target_address_at(sequence + kCodeAgingTargetDelta, code); |
652 Code* stub = GetCodeFromTargetAddress(target_address); | 652 Code* stub = GetCodeFromTargetAddress(target_address); |
653 GetCodeAgeAndParity(stub, age, parity); | 653 GetCodeAgeAndParity(stub, age, parity); |
654 } | 654 } |
655 } | 655 } |
656 | 656 |
657 | 657 |
658 void Code::PatchPlatformCodeAge(Isolate* isolate, byte* sequence, Code::Age age, | 658 void Code::PatchPlatformCodeAge(Isolate* isolate, byte* sequence, Code::Age age, |
659 MarkingParity parity) { | 659 MarkingParity parity) { |
660 uint32_t young_length = isolate->code_aging_helper()->young_sequence_length(); | 660 uint32_t young_length = isolate->code_aging_helper()->young_sequence_length(); |
661 if (age == kNoAgeCodeAge) { | 661 if (age == kNoAgeCodeAge) { |
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674 patcher.masm()->Jump(r3); | 674 patcher.masm()->Jump(r3); |
675 for (int i = 0; i < kCodeAgingSequenceNops; i++) { | 675 for (int i = 0; i < kCodeAgingSequenceNops; i++) { |
676 patcher.masm()->nop(); | 676 patcher.masm()->nop(); |
677 } | 677 } |
678 } | 678 } |
679 } | 679 } |
680 } | 680 } |
681 } // namespace v8::internal | 681 } // namespace v8::internal |
682 | 682 |
683 #endif // V8_TARGET_ARCH_PPC | 683 #endif // V8_TARGET_ARCH_PPC |
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