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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_HEAP_MARK_COMPACT_H_ | 5 #ifndef V8_HEAP_MARK_COMPACT_H_ |
6 #define V8_HEAP_MARK_COMPACT_H_ | 6 #define V8_HEAP_MARK_COMPACT_H_ |
7 | 7 |
8 #include "src/base/bits.h" | 8 #include "src/base/bits.h" |
9 #include "src/heap/spaces.h" | 9 #include "src/heap/spaces.h" |
10 | 10 |
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738 // when mark bits are still intact. | 738 // when mark bits are still intact. |
739 bool IsSlotInBlackObject(Page* p, Address slot, HeapObject** out_object); | 739 bool IsSlotInBlackObject(Page* p, Address slot, HeapObject** out_object); |
740 bool IsSlotInBlackObjectSlow(Page* p, Address slot); | 740 bool IsSlotInBlackObjectSlow(Page* p, Address slot); |
741 bool IsSlotInLiveObject(Address slot); | 741 bool IsSlotInLiveObject(Address slot); |
742 void VerifyIsSlotInLiveObject(Address slot, HeapObject* object); | 742 void VerifyIsSlotInLiveObject(Address slot, HeapObject* object); |
743 | 743 |
744 // Removes all the slots in the slot buffers that are within the given | 744 // Removes all the slots in the slot buffers that are within the given |
745 // invalid_object. | 745 // invalid_object. |
746 void RemoveObjectSlots(HeapObject* invalid_object); | 746 void RemoveObjectSlots(HeapObject* invalid_object); |
747 | 747 |
| 748 // Record slots of deoptimized code that may point to evacuation candidates. |
| 749 void RecordDeoptimizedCodeSlots(Code* code); |
| 750 |
748 private: | 751 private: |
749 class SweeperTask; | 752 class SweeperTask; |
750 | 753 |
751 explicit MarkCompactCollector(Heap* heap); | 754 explicit MarkCompactCollector(Heap* heap); |
752 ~MarkCompactCollector(); | 755 ~MarkCompactCollector(); |
753 | 756 |
754 bool WillBeDeoptimized(Code* code); | 757 bool WillBeDeoptimized(Code* code); |
755 void EvictPopularEvacuationCandidate(Page* page); | 758 void EvictPopularEvacuationCandidate(Page* page); |
756 void ClearInvalidSlotsBufferEntries(PagedSpace* space); | 759 void ClearInvalidSlotsBufferEntries(PagedSpace* space); |
757 void ClearInvalidStoreAndSlotsBufferEntries(); | 760 void ClearInvalidStoreAndSlotsBufferEntries(); |
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1029 private: | 1032 private: |
1030 MarkCompactCollector* collector_; | 1033 MarkCompactCollector* collector_; |
1031 }; | 1034 }; |
1032 | 1035 |
1033 | 1036 |
1034 const char* AllocationSpaceName(AllocationSpace space); | 1037 const char* AllocationSpaceName(AllocationSpace space); |
1035 } | 1038 } |
1036 } // namespace v8::internal | 1039 } // namespace v8::internal |
1037 | 1040 |
1038 #endif // V8_HEAP_MARK_COMPACT_H_ | 1041 #endif // V8_HEAP_MARK_COMPACT_H_ |
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