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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 // 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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| 716 } else { | 716 } else { |
| 717 sequence++; // Skip the kCallOpcode byte | 717 sequence++; // Skip the kCallOpcode byte |
| 718 Address target_address = sequence + *reinterpret_cast<int*>(sequence) + | 718 Address target_address = sequence + *reinterpret_cast<int*>(sequence) + |
| 719 Assembler::kCallTargetAddressOffset; | 719 Assembler::kCallTargetAddressOffset; |
| 720 Code* stub = GetCodeFromTargetAddress(target_address); | 720 Code* stub = GetCodeFromTargetAddress(target_address); |
| 721 GetCodeAgeAndParity(stub, age, parity); | 721 GetCodeAgeAndParity(stub, age, parity); |
| 722 } | 722 } |
| 723 } | 723 } |
| 724 | 724 |
| 725 | 725 |
| 726 void Code::PatchPlatformCodeAge(byte* sequence, | 726 void Code::PatchPlatformCodeAge(Isolate* isolate, |
| 727 byte* sequence, |
| 727 Code::Age age, | 728 Code::Age age, |
| 728 MarkingParity parity) { | 729 MarkingParity parity) { |
| 729 uint32_t young_length; | 730 uint32_t young_length; |
| 730 byte* young_sequence = GetNoCodeAgeSequence(&young_length); | 731 byte* young_sequence = GetNoCodeAgeSequence(&young_length); |
| 731 if (age == kNoAge) { | 732 if (age == kNoAge) { |
| 732 CopyBytes(sequence, young_sequence, young_length); | 733 CopyBytes(sequence, young_sequence, young_length); |
| 733 CPU::FlushICache(sequence, young_length); | 734 CPU::FlushICache(sequence, young_length); |
| 734 } else { | 735 } else { |
| 735 Code* stub = GetCodeAgeStub(age, parity); | 736 Code* stub = GetCodeAgeStub(isolate, age, parity); |
| 736 CodePatcher patcher(sequence, young_length); | 737 CodePatcher patcher(sequence, young_length); |
| 737 patcher.masm()->call(stub->instruction_start()); | 738 patcher.masm()->call(stub->instruction_start()); |
| 738 for (int i = 0; | 739 for (int i = 0; |
| 739 i < kNoCodeAgeSequenceLength - Assembler::kShortCallInstructionLength; | 740 i < kNoCodeAgeSequenceLength - Assembler::kShortCallInstructionLength; |
| 740 i++) { | 741 i++) { |
| 741 patcher.masm()->nop(); | 742 patcher.masm()->nop(); |
| 742 } | 743 } |
| 743 } | 744 } |
| 744 } | 745 } |
| 745 | 746 |
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| 762 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. | 763 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. |
| 763 return Operand(base_reg_, argument_count_reg_, times_pointer_size, | 764 return Operand(base_reg_, argument_count_reg_, times_pointer_size, |
| 764 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); | 765 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); |
| 765 } | 766 } |
| 766 } | 767 } |
| 767 | 768 |
| 768 | 769 |
| 769 } } // namespace v8::internal | 770 } } // namespace v8::internal |
| 770 | 771 |
| 771 #endif // V8_TARGET_ARCH_X64 | 772 #endif // V8_TARGET_ARCH_X64 |
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