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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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531 | 531 |
532 bool TryPromoteObject(HeapObject* object, int object_size); | 532 bool TryPromoteObject(HeapObject* object, int object_size); |
533 | 533 |
534 inline Object* encountered_weak_maps() { return encountered_weak_maps_; } | 534 inline Object* encountered_weak_maps() { return encountered_weak_maps_; } |
535 inline void set_encountered_weak_maps(Object* weak_map) { | 535 inline void set_encountered_weak_maps(Object* weak_map) { |
536 encountered_weak_maps_ = weak_map; | 536 encountered_weak_maps_ = weak_map; |
537 } | 537 } |
538 | 538 |
539 void InvalidateCode(Code* code); | 539 void InvalidateCode(Code* code); |
540 | 540 |
| 541 void ClearMarkbits(); |
| 542 |
541 private: | 543 private: |
542 MarkCompactCollector(); | 544 MarkCompactCollector(); |
543 ~MarkCompactCollector(); | 545 ~MarkCompactCollector(); |
544 | 546 |
545 bool MarkInvalidatedCode(); | 547 bool MarkInvalidatedCode(); |
546 void RemoveDeadInvalidatedCode(); | 548 void RemoveDeadInvalidatedCode(); |
547 void ProcessInvalidatedCode(ObjectVisitor* visitor); | 549 void ProcessInvalidatedCode(ObjectVisitor* visitor); |
548 | 550 |
549 | 551 |
550 #ifdef DEBUG | 552 #ifdef DEBUG |
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710 void EvacuateNewSpace(); | 712 void EvacuateNewSpace(); |
711 | 713 |
712 void EvacuateLiveObjectsFromPage(Page* p); | 714 void EvacuateLiveObjectsFromPage(Page* p); |
713 | 715 |
714 void EvacuatePages(); | 716 void EvacuatePages(); |
715 | 717 |
716 void EvacuateNewSpaceAndCandidates(); | 718 void EvacuateNewSpaceAndCandidates(); |
717 | 719 |
718 void SweepSpace(PagedSpace* space, SweeperType sweeper); | 720 void SweepSpace(PagedSpace* space, SweeperType sweeper); |
719 | 721 |
720 | |
721 #ifdef DEBUG | 722 #ifdef DEBUG |
722 // ----------------------------------------------------------------------- | 723 // ----------------------------------------------------------------------- |
723 // Debugging variables, functions and classes | 724 // Debugging variables, functions and classes |
724 // Counters used for debugging the marking phase of mark-compact or | 725 // Counters used for debugging the marking phase of mark-compact or |
725 // mark-sweep collection. | 726 // mark-sweep collection. |
726 | 727 |
727 // Size of live objects in Heap::to_space_. | 728 // Size of live objects in Heap::to_space_. |
728 int live_young_objects_size_; | 729 int live_young_objects_size_; |
729 | 730 |
730 // Size of live objects in Heap::old_pointer_space_. | 731 // Size of live objects in Heap::old_pointer_space_. |
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765 | 766 |
766 friend class Heap; | 767 friend class Heap; |
767 }; | 768 }; |
768 | 769 |
769 | 770 |
770 const char* AllocationSpaceName(AllocationSpace space); | 771 const char* AllocationSpaceName(AllocationSpace space); |
771 | 772 |
772 } } // namespace v8::internal | 773 } } // namespace v8::internal |
773 | 774 |
774 #endif // V8_MARK_COMPACT_H_ | 775 #endif // V8_MARK_COMPACT_H_ |
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