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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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648 bool evacuation() const { return evacuation_; } | 648 bool evacuation() const { return evacuation_; } |
649 | 649 |
650 // Mark the global table which maps weak objects to dependent code without | 650 // Mark the global table which maps weak objects to dependent code without |
651 // marking its contents. | 651 // marking its contents. |
652 void MarkWeakObjectToCodeTable(); | 652 void MarkWeakObjectToCodeTable(); |
653 | 653 |
654 // Special case for processing weak references in a full collection. We need | 654 // Special case for processing weak references in a full collection. We need |
655 // to artificially keep AllocationSites alive for a time. | 655 // to artificially keep AllocationSites alive for a time. |
656 void MarkAllocationSite(AllocationSite* site); | 656 void MarkAllocationSite(AllocationSite* site); |
657 | 657 |
658 bool IsMarkingDequeEmpty(); | |
659 | |
660 private: | 658 private: |
661 class SweeperTask; | 659 class SweeperTask; |
662 | 660 |
663 explicit MarkCompactCollector(Heap* heap); | 661 explicit MarkCompactCollector(Heap* heap); |
664 ~MarkCompactCollector(); | 662 ~MarkCompactCollector(); |
665 | 663 |
666 bool MarkInvalidatedCode(); | 664 bool MarkInvalidatedCode(); |
667 bool WillBeDeoptimized(Code* code); | 665 bool WillBeDeoptimized(Code* code); |
668 void RemoveDeadInvalidatedCode(); | 666 void RemoveDeadInvalidatedCode(); |
669 void ProcessInvalidatedCode(ObjectVisitor* visitor); | 667 void ProcessInvalidatedCode(ObjectVisitor* visitor); |
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944 private: | 942 private: |
945 MarkCompactCollector* collector_; | 943 MarkCompactCollector* collector_; |
946 }; | 944 }; |
947 | 945 |
948 | 946 |
949 const char* AllocationSpaceName(AllocationSpace space); | 947 const char* AllocationSpaceName(AllocationSpace space); |
950 } | 948 } |
951 } // namespace v8::internal | 949 } // namespace v8::internal |
952 | 950 |
953 #endif // V8_HEAP_MARK_COMPACT_H_ | 951 #endif // V8_HEAP_MARK_COMPACT_H_ |
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