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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_INL_H_ | 5 #ifndef V8_HEAP_MARK_COMPACT_INL_H_ |
6 #define V8_HEAP_MARK_COMPACT_INL_H_ | 6 #define V8_HEAP_MARK_COMPACT_INL_H_ |
7 | 7 |
8 #include "src/heap/mark-compact.h" | 8 #include "src/heap/mark-compact.h" |
9 #include "src/heap/remembered-set.h" | 9 #include "src/heap/remembered-set.h" |
10 #include "src/isolate.h" | 10 #include "src/isolate.h" |
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31 } | 31 } |
32 | 32 |
33 void MarkCompactCollector::UnshiftBlack(HeapObject* obj) { | 33 void MarkCompactCollector::UnshiftBlack(HeapObject* obj) { |
34 DCHECK(ObjectMarking::IsBlack(obj, MarkingState::Internal(obj))); | 34 DCHECK(ObjectMarking::IsBlack(obj, MarkingState::Internal(obj))); |
35 if (!marking_deque()->Unshift(obj)) { | 35 if (!marking_deque()->Unshift(obj)) { |
36 ObjectMarking::BlackToGrey(obj, MarkingState::Internal(obj)); | 36 ObjectMarking::BlackToGrey(obj, MarkingState::Internal(obj)); |
37 } | 37 } |
38 } | 38 } |
39 | 39 |
40 void MarkCompactCollector::MarkObject(HeapObject* obj) { | 40 void MarkCompactCollector::MarkObject(HeapObject* obj) { |
41 if (ObjectMarking::WhiteToBlack<MarkBit::NON_ATOMIC>( | 41 if (ObjectMarking::IsWhite<MarkBit::NON_ATOMIC>( |
42 obj, MarkingState::Internal(obj))) { | 42 obj, MarkingState::Internal(obj))) { |
| 43 ObjectMarking::WhiteToBlack<MarkBit::NON_ATOMIC>( |
| 44 obj, MarkingState::Internal(obj)); |
43 PushBlack(obj); | 45 PushBlack(obj); |
44 } | 46 } |
45 } | 47 } |
46 | 48 |
47 void MinorMarkCompactCollector::MarkObject(HeapObject* obj) { | 49 void MinorMarkCompactCollector::MarkObject(HeapObject* obj) { |
48 if (ObjectMarking::WhiteToBlack<MarkBit::NON_ATOMIC>( | 50 if (ObjectMarking::IsWhite<MarkBit::NON_ATOMIC>( |
49 obj, MarkingState::External(obj))) { | 51 obj, MarkingState::External(obj))) { |
| 52 ObjectMarking::WhiteToBlack<MarkBit::NON_ATOMIC>( |
| 53 obj, MarkingState::External(obj)); |
50 PushBlack(obj); | 54 PushBlack(obj); |
51 } | 55 } |
52 } | 56 } |
53 | 57 |
54 void MarkCompactCollector::RecordSlot(HeapObject* object, Object** slot, | 58 void MarkCompactCollector::RecordSlot(HeapObject* object, Object** slot, |
55 Object* target) { | 59 Object* target) { |
56 Page* target_page = Page::FromAddress(reinterpret_cast<Address>(target)); | 60 Page* target_page = Page::FromAddress(reinterpret_cast<Address>(target)); |
57 Page* source_page = Page::FromAddress(reinterpret_cast<Address>(object)); | 61 Page* source_page = Page::FromAddress(reinterpret_cast<Address>(object)); |
58 if (target_page->IsEvacuationCandidate() && | 62 if (target_page->IsEvacuationCandidate() && |
59 !ShouldSkipEvacuationSlotRecording(object)) { | 63 !ShouldSkipEvacuationSlotRecording(object)) { |
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245 } | 249 } |
246 if (object != nullptr) return object; | 250 if (object != nullptr) return object; |
247 } | 251 } |
248 return nullptr; | 252 return nullptr; |
249 } | 253 } |
250 | 254 |
251 } // namespace internal | 255 } // namespace internal |
252 } // namespace v8 | 256 } // namespace v8 |
253 | 257 |
254 #endif // V8_HEAP_MARK_COMPACT_INL_H_ | 258 #endif // V8_HEAP_MARK_COMPACT_INL_H_ |
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