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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_INCREMENTAL_MARKING_INL_H_ | 5 #ifndef V8_HEAP_INCREMENTAL_MARKING_INL_H_ |
6 #define V8_HEAP_INCREMENTAL_MARKING_INL_H_ | 6 #define V8_HEAP_INCREMENTAL_MARKING_INL_H_ |
7 | 7 |
8 #include "src/heap/incremental-marking.h" | 8 #include "src/heap/incremental-marking.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 | 12 |
13 | 13 |
14 bool IncrementalMarking::BaseRecordWrite(HeapObject* obj, Object** slot, | 14 bool IncrementalMarking::BaseRecordWrite(HeapObject* obj, Object** slot, |
15 Object* value) { | 15 Object* value) { |
16 HeapObject* value_heap_obj = HeapObject::cast(value); | 16 HeapObject* value_heap_obj = HeapObject::cast(value); |
17 MarkBit value_bit = Marking::MarkBitFrom(value_heap_obj); | 17 MarkBit value_bit = Marking::MarkBitFrom(value_heap_obj); |
18 if (Marking::IsWhite(value_bit)) { | 18 if (Marking::IsWhite(value_bit)) { |
19 MarkBit obj_bit = Marking::MarkBitFrom(obj); | 19 WhiteToGreyAndPush(value_heap_obj, value_bit); |
20 if (Marking::IsBlack(obj_bit)) { | 20 RestartIfNotMarking(); |
21 MemoryChunk* chunk = MemoryChunk::FromAddress(obj->address()); | |
22 if (chunk->IsFlagSet(MemoryChunk::HAS_PROGRESS_BAR)) { | |
23 if (chunk->IsLeftOfProgressBar(slot)) { | |
24 WhiteToGreyAndPush(value_heap_obj, value_bit); | |
25 RestartIfNotMarking(); | |
26 } else { | |
27 return false; | |
28 } | |
29 } else { | |
30 BlackToGreyAndUnshift(obj, obj_bit); | |
31 RestartIfNotMarking(); | |
32 return false; | |
33 } | |
34 } else { | |
35 return false; | |
36 } | |
37 } | 21 } |
38 if (!is_compacting_) return false; | 22 if (!is_compacting_) return false; |
39 MarkBit obj_bit = Marking::MarkBitFrom(obj); | 23 MarkBit obj_bit = Marking::MarkBitFrom(obj); |
40 return Marking::IsBlack(obj_bit); | 24 return Marking::IsBlack(obj_bit); |
41 } | 25 } |
42 | 26 |
43 | 27 |
44 void IncrementalMarking::RecordWrite(HeapObject* obj, Object** slot, | 28 void IncrementalMarking::RecordWrite(HeapObject* obj, Object** slot, |
45 Object* value) { | 29 Object* value) { |
46 if (IsMarking() && value->IsHeapObject()) { | 30 if (IsMarking() && value->IsHeapObject()) { |
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110 | 94 |
111 | 95 |
112 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { | 96 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { |
113 Marking::WhiteToGrey(mark_bit); | 97 Marking::WhiteToGrey(mark_bit); |
114 heap_->mark_compact_collector()->marking_deque()->PushGrey(obj); | 98 heap_->mark_compact_collector()->marking_deque()->PushGrey(obj); |
115 } | 99 } |
116 } | 100 } |
117 } // namespace v8::internal | 101 } // namespace v8::internal |
118 | 102 |
119 #endif // V8_HEAP_INCREMENTAL_MARKING_INL_H_ | 103 #endif // V8_HEAP_INCREMENTAL_MARKING_INL_H_ |
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