OLD | NEW |
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 |
(...skipping 610 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
621 | 621 |
622 // Marking operations for objects reachable from roots. | 622 // Marking operations for objects reachable from roots. |
623 void MarkLiveObjects(); | 623 void MarkLiveObjects(); |
624 | 624 |
625 void AfterMarking(); | 625 void AfterMarking(); |
626 | 626 |
627 // Marks the object black and pushes it on the marking stack. | 627 // Marks the object black and pushes it on the marking stack. |
628 // This is for non-incremental marking. | 628 // This is for non-incremental marking. |
629 INLINE(void MarkObject(HeapObject* obj, MarkBit mark_bit)); | 629 INLINE(void MarkObject(HeapObject* obj, MarkBit mark_bit)); |
630 | 630 |
| 631 INLINE(bool MarkObjectWithoutPush(HeapObject* object)); |
| 632 INLINE(void MarkObjectAndPush(HeapObject* value)); |
| 633 |
631 // Marks the object black. This is for non-incremental marking. | 634 // Marks the object black. This is for non-incremental marking. |
632 INLINE(void SetMark(HeapObject* obj, MarkBit mark_bit)); | 635 INLINE(void SetMark(HeapObject* obj, MarkBit mark_bit)); |
633 | 636 |
634 // Clears the cache of ICs related to this map. | 637 // Clears the cache of ICs related to this map. |
635 INLINE(void ClearCacheOnMap(Map* map)); | 638 INLINE(void ClearCacheOnMap(Map* map)); |
636 | 639 |
637 void ProcessNewlyMarkedObject(HeapObject* obj); | 640 void ProcessNewlyMarkedObject(HeapObject* obj); |
638 | 641 |
639 // Creates back pointers for all map transitions, stores them in | 642 // Creates back pointers for all map transitions, stores them in |
640 // the prototype field. The original prototype pointers are restored | 643 // the prototype field. The original prototype pointers are restored |
641 // in ClearNonLiveTransitions(). All JSObject maps | 644 // in ClearNonLiveTransitions(). All JSObject maps |
642 // connected by map transitions have the same prototype object, which | 645 // connected by map transitions have the same prototype object, which |
643 // is why we can use this field temporarily for back pointers. | 646 // is why we can use this field temporarily for back pointers. |
644 void CreateBackPointers(); | 647 void CreateBackPointers(); |
645 | 648 |
646 // Mark a Map and its DescriptorArray together, skipping transitions. | 649 // Mark a Map and its DescriptorArray together, skipping transitions. |
647 void MarkMapContents(Map* map); | 650 void MarkMapContents(Map* map); |
| 651 void MarkAccessorPairSlot(HeapObject* accessors, int offset); |
648 void MarkDescriptorArray(DescriptorArray* descriptors); | 652 void MarkDescriptorArray(DescriptorArray* descriptors); |
649 | 653 |
650 // Mark the heap roots and all objects reachable from them. | 654 // Mark the heap roots and all objects reachable from them. |
651 void MarkRoots(RootMarkingVisitor* visitor); | 655 void MarkRoots(RootMarkingVisitor* visitor); |
652 | 656 |
653 // Mark the symbol table specially. References to symbols from the | 657 // Mark the symbol table specially. References to symbols from the |
654 // symbol table are weak. | 658 // symbol table are weak. |
655 void MarkSymbolTable(); | 659 void MarkSymbolTable(); |
656 | 660 |
657 // Mark objects in object groups that have at least one object in the | 661 // Mark objects in object groups that have at least one object in the |
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
753 | 757 |
754 friend class Heap; | 758 friend class Heap; |
755 }; | 759 }; |
756 | 760 |
757 | 761 |
758 const char* AllocationSpaceName(AllocationSpace space); | 762 const char* AllocationSpaceName(AllocationSpace space); |
759 | 763 |
760 } } // namespace v8::internal | 764 } } // namespace v8::internal |
761 | 765 |
762 #endif // V8_MARK_COMPACT_H_ | 766 #endif // V8_MARK_COMPACT_H_ |
OLD | NEW |