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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_SCAVENGER_INL_H_ | 5 #ifndef V8_HEAP_SCAVENGER_INL_H_ |
6 #define V8_HEAP_SCAVENGER_INL_H_ | 6 #define V8_HEAP_SCAVENGER_INL_H_ |
7 | 7 |
8 #include "src/heap/scavenger.h" | 8 #include "src/heap/scavenger.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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30 | 30 |
31 object->GetHeap()->UpdateAllocationSite<Heap::kGlobal>( | 31 object->GetHeap()->UpdateAllocationSite<Heap::kGlobal>( |
32 object, object->GetHeap()->global_pretenuring_feedback_); | 32 object, object->GetHeap()->global_pretenuring_feedback_); |
33 | 33 |
34 // AllocationMementos are unrooted and shouldn't survive a scavenge | 34 // AllocationMementos are unrooted and shouldn't survive a scavenge |
35 DCHECK(object->map() != object->GetHeap()->allocation_memento_map()); | 35 DCHECK(object->map() != object->GetHeap()->allocation_memento_map()); |
36 // Call the slow part of scavenge object. | 36 // Call the slow part of scavenge object. |
37 return ScavengeObjectSlow(p, object); | 37 return ScavengeObjectSlow(p, object); |
38 } | 38 } |
39 | 39 |
| 40 void Scavenger::ScavengeObjectSlow(HeapObject** p, HeapObject* object) { |
| 41 SLOW_DCHECK(object->GetIsolate()->heap()->InFromSpace(object)); |
| 42 MapWord first_word = object->map_word(); |
| 43 SLOW_DCHECK(!first_word.IsForwardingAddress()); |
| 44 Map* map = first_word.ToMap(); |
| 45 Scavenger* scavenger = map->GetHeap()->scavenge_collector_; |
| 46 scavenger->scavenging_visitors_table_.GetVisitor(map)(map, p, object); |
| 47 } |
| 48 |
40 SlotCallbackResult Scavenger::CheckAndScavengeObject(Heap* heap, | 49 SlotCallbackResult Scavenger::CheckAndScavengeObject(Heap* heap, |
41 Address slot_address) { | 50 Address slot_address) { |
42 Object** slot = reinterpret_cast<Object**>(slot_address); | 51 Object** slot = reinterpret_cast<Object**>(slot_address); |
43 Object* object = *slot; | 52 Object* object = *slot; |
44 if (heap->InFromSpace(object)) { | 53 if (heap->InFromSpace(object)) { |
45 HeapObject* heap_object = reinterpret_cast<HeapObject*>(object); | 54 HeapObject* heap_object = reinterpret_cast<HeapObject*>(object); |
46 DCHECK(heap_object->IsHeapObject()); | 55 DCHECK(heap_object->IsHeapObject()); |
47 | 56 |
48 ScavengeObject(reinterpret_cast<HeapObject**>(slot), heap_object); | 57 ScavengeObject(reinterpret_cast<HeapObject**>(slot), heap_object); |
49 | 58 |
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67 Object* object = *p; | 76 Object* object = *p; |
68 if (!heap->InNewSpace(object)) return; | 77 if (!heap->InNewSpace(object)) return; |
69 Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p), | 78 Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p), |
70 reinterpret_cast<HeapObject*>(object)); | 79 reinterpret_cast<HeapObject*>(object)); |
71 } | 80 } |
72 | 81 |
73 } // namespace internal | 82 } // namespace internal |
74 } // namespace v8 | 83 } // namespace v8 |
75 | 84 |
76 #endif // V8_HEAP_SCAVENGER_INL_H_ | 85 #endif // V8_HEAP_SCAVENGER_INL_H_ |
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