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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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| 662 } | 662 } |
| 663 | 663 |
| 664 | 664 |
| 665 void RelocInfo::set_target_runtime_entry(Address target, | 665 void RelocInfo::set_target_runtime_entry(Address target, |
| 666 WriteBarrierMode mode) { | 666 WriteBarrierMode mode) { |
| 667 ASSERT(IsRuntimeEntry(rmode_)); | 667 ASSERT(IsRuntimeEntry(rmode_)); |
| 668 if (target_address() != target) set_target_address(target, mode); | 668 if (target_address() != target) set_target_address(target, mode); |
| 669 } | 669 } |
| 670 | 670 |
| 671 | 671 |
| 672 Handle<JSGlobalPropertyCell> RelocInfo::target_cell_handle() { | 672 Handle<Cell> RelocInfo::target_cell_handle() { |
| 673 UNIMPLEMENTED(); | 673 UNIMPLEMENTED(); |
| 674 JSGlobalPropertyCell *null_cell = NULL; | 674 Cell *null_cell = NULL; |
| 675 return Handle<JSGlobalPropertyCell>(null_cell); | 675 return Handle<Cell>(null_cell); |
| 676 } | 676 } |
| 677 | 677 |
| 678 | 678 |
| 679 JSGlobalPropertyCell* RelocInfo::target_cell() { | 679 Cell* RelocInfo::target_cell() { |
| 680 ASSERT(rmode_ == RelocInfo::GLOBAL_PROPERTY_CELL); | 680 ASSERT(rmode_ == RelocInfo::CELL); |
| 681 return JSGlobalPropertyCell::FromValueAddress(Memory::Address_at(pc_)); | 681 return Cell::FromValueAddress(Memory::Address_at(pc_)); |
| 682 } | 682 } |
| 683 | 683 |
| 684 | 684 |
| 685 void RelocInfo::set_target_cell(JSGlobalPropertyCell* cell, | 685 void RelocInfo::set_target_cell(Cell* cell, WriteBarrierMode mode) { |
| 686 WriteBarrierMode mode) { | |
| 687 UNIMPLEMENTED(); | 686 UNIMPLEMENTED(); |
| 688 } | 687 } |
| 689 | 688 |
| 690 | 689 |
| 691 static const int kCodeAgeSequenceSize = 5 * kInstructionSize; | 690 static const int kCodeAgeSequenceSize = 5 * kInstructionSize; |
| 692 static const int kCodeAgeStubEntryOffset = 3 * kInstructionSize; | 691 static const int kCodeAgeStubEntryOffset = 3 * kInstructionSize; |
| 693 | 692 |
| 694 | 693 |
| 695 Code* RelocInfo::code_age_stub() { | 694 Code* RelocInfo::code_age_stub() { |
| 696 ASSERT(rmode_ == RelocInfo::CODE_AGE_SEQUENCE); | 695 ASSERT(rmode_ == RelocInfo::CODE_AGE_SEQUENCE); |
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| 749 return !current_instr->IsNop(Assembler::DEBUG_BREAK_NOP); | 748 return !current_instr->IsNop(Assembler::DEBUG_BREAK_NOP); |
| 750 } | 749 } |
| 751 | 750 |
| 752 | 751 |
| 753 void RelocInfo::Visit(ObjectVisitor* visitor) { | 752 void RelocInfo::Visit(ObjectVisitor* visitor) { |
| 754 RelocInfo::Mode mode = rmode(); | 753 RelocInfo::Mode mode = rmode(); |
| 755 if (mode == RelocInfo::EMBEDDED_OBJECT) { | 754 if (mode == RelocInfo::EMBEDDED_OBJECT) { |
| 756 visitor->VisitEmbeddedPointer(this); | 755 visitor->VisitEmbeddedPointer(this); |
| 757 } else if (RelocInfo::IsCodeTarget(mode)) { | 756 } else if (RelocInfo::IsCodeTarget(mode)) { |
| 758 visitor->VisitCodeTarget(this); | 757 visitor->VisitCodeTarget(this); |
| 759 } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) { | 758 } else if (mode == RelocInfo::CELL) { |
| 760 visitor->VisitGlobalPropertyCell(this); | 759 visitor->VisitCell(this); |
| 761 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { | 760 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { |
| 762 visitor->VisitExternalReference(this); | 761 visitor->VisitExternalReference(this); |
| 763 #ifdef ENABLE_DEBUGGER_SUPPORT | 762 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 764 // TODO(isolates): Get a cached isolate below. | 763 // TODO(isolates): Get a cached isolate below. |
| 765 } else if (((RelocInfo::IsJSReturn(mode) && | 764 } else if (((RelocInfo::IsJSReturn(mode) && |
| 766 IsPatchedReturnSequence()) || | 765 IsPatchedReturnSequence()) || |
| 767 (RelocInfo::IsDebugBreakSlot(mode) && | 766 (RelocInfo::IsDebugBreakSlot(mode) && |
| 768 IsPatchedDebugBreakSlotSequence())) && | 767 IsPatchedDebugBreakSlotSequence())) && |
| 769 Isolate::Current()->debug()->has_break_points()) { | 768 Isolate::Current()->debug()->has_break_points()) { |
| 770 visitor->VisitDebugTarget(this); | 769 visitor->VisitDebugTarget(this); |
| 771 #endif | 770 #endif |
| 772 } else if (RelocInfo::IsRuntimeEntry(mode)) { | 771 } else if (RelocInfo::IsRuntimeEntry(mode)) { |
| 773 visitor->VisitRuntimeEntry(this); | 772 visitor->VisitRuntimeEntry(this); |
| 774 } | 773 } |
| 775 } | 774 } |
| 776 | 775 |
| 777 | 776 |
| 778 template<typename StaticVisitor> | 777 template<typename StaticVisitor> |
| 779 void RelocInfo::Visit(Heap* heap) { | 778 void RelocInfo::Visit(Heap* heap) { |
| 780 RelocInfo::Mode mode = rmode(); | 779 RelocInfo::Mode mode = rmode(); |
| 781 if (mode == RelocInfo::EMBEDDED_OBJECT) { | 780 if (mode == RelocInfo::EMBEDDED_OBJECT) { |
| 782 StaticVisitor::VisitEmbeddedPointer(heap, this); | 781 StaticVisitor::VisitEmbeddedPointer(heap, this); |
| 783 } else if (RelocInfo::IsCodeTarget(mode)) { | 782 } else if (RelocInfo::IsCodeTarget(mode)) { |
| 784 StaticVisitor::VisitCodeTarget(heap, this); | 783 StaticVisitor::VisitCodeTarget(heap, this); |
| 785 } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) { | 784 } else if (mode == RelocInfo::CELL) { |
| 786 StaticVisitor::VisitGlobalPropertyCell(heap, this); | 785 StaticVisitor::VisitCell(heap, this); |
| 787 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { | 786 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { |
| 788 StaticVisitor::VisitExternalReference(this); | 787 StaticVisitor::VisitExternalReference(this); |
| 789 #ifdef ENABLE_DEBUGGER_SUPPORT | 788 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 790 } else if (heap->isolate()->debug()->has_break_points() && | 789 } else if (heap->isolate()->debug()->has_break_points() && |
| 791 ((RelocInfo::IsJSReturn(mode) && | 790 ((RelocInfo::IsJSReturn(mode) && |
| 792 IsPatchedReturnSequence()) || | 791 IsPatchedReturnSequence()) || |
| 793 (RelocInfo::IsDebugBreakSlot(mode) && | 792 (RelocInfo::IsDebugBreakSlot(mode) && |
| 794 IsPatchedDebugBreakSlotSequence()))) { | 793 IsPatchedDebugBreakSlotSequence()))) { |
| 795 StaticVisitor::VisitDebugTarget(heap, this); | 794 StaticVisitor::VisitDebugTarget(heap, this); |
| 796 #endif | 795 #endif |
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| 1153 | 1152 |
| 1154 | 1153 |
| 1155 void Assembler::ClearRecordedAstId() { | 1154 void Assembler::ClearRecordedAstId() { |
| 1156 recorded_ast_id_ = TypeFeedbackId::None(); | 1155 recorded_ast_id_ = TypeFeedbackId::None(); |
| 1157 } | 1156 } |
| 1158 | 1157 |
| 1159 | 1158 |
| 1160 } } // namespace v8::internal | 1159 } } // namespace v8::internal |
| 1161 | 1160 |
| 1162 #endif // V8_A64_ASSEMBLER_A64_INL_H_ | 1161 #endif // V8_A64_ASSEMBLER_A64_INL_H_ |
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