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 624 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
635 INLINE(void MarkObject(HeapObject* obj, MarkBit mark_bit)); | 635 INLINE(void MarkObject(HeapObject* obj, MarkBit mark_bit)); |
636 | 636 |
637 INLINE(bool MarkObjectWithoutPush(HeapObject* object)); | 637 INLINE(bool MarkObjectWithoutPush(HeapObject* object)); |
638 INLINE(void MarkObjectAndPush(HeapObject* value)); | 638 INLINE(void MarkObjectAndPush(HeapObject* value)); |
639 | 639 |
640 // Marks the object black. This is for non-incremental marking. | 640 // Marks the object black. This is for non-incremental marking. |
641 INLINE(void SetMark(HeapObject* obj, MarkBit mark_bit)); | 641 INLINE(void SetMark(HeapObject* obj, MarkBit mark_bit)); |
642 | 642 |
643 void ProcessNewlyMarkedObject(HeapObject* obj); | 643 void ProcessNewlyMarkedObject(HeapObject* obj); |
644 | 644 |
645 // Creates back pointers for all map transitions, stores them in | |
646 // the prototype field. The original prototype pointers are restored | |
647 // in ClearNonLiveTransitions(). All JSObject maps | |
648 // connected by map transitions have the same prototype object, which | |
649 // is why we can use this field temporarily for back pointers. | |
650 void CreateBackPointers(); | |
651 | |
652 // Mark a Map and its DescriptorArray together, skipping transitions. | 645 // Mark a Map and its DescriptorArray together, skipping transitions. |
653 void MarkMapContents(Map* map); | 646 void MarkMapContents(Map* map); |
654 void MarkAccessorPairSlot(HeapObject* accessors, int offset); | 647 void MarkAccessorPairSlot(HeapObject* accessors, int offset); |
655 void MarkDescriptorArray(DescriptorArray* descriptors); | 648 void MarkDescriptorArray(DescriptorArray* descriptors); |
656 | 649 |
657 // Mark the heap roots and all objects reachable from them. | 650 // Mark the heap roots and all objects reachable from them. |
658 void MarkRoots(RootMarkingVisitor* visitor); | 651 void MarkRoots(RootMarkingVisitor* visitor); |
659 | 652 |
660 // Mark the symbol table specially. References to symbols from the | 653 // Mark the symbol table specially. References to symbols from the |
661 // symbol table are weak. | 654 // symbol table are weak. |
(...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
762 | 755 |
763 friend class Heap; | 756 friend class Heap; |
764 }; | 757 }; |
765 | 758 |
766 | 759 |
767 const char* AllocationSpaceName(AllocationSpace space); | 760 const char* AllocationSpaceName(AllocationSpace space); |
768 | 761 |
769 } } // namespace v8::internal | 762 } } // namespace v8::internal |
770 | 763 |
771 #endif // V8_MARK_COMPACT_H_ | 764 #endif // V8_MARK_COMPACT_H_ |
OLD | NEW |