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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
11 // with the distribution. | 11 // with the distribution. |
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111 } | 111 } |
112 allocation_marking_factor_ = kMaxAllocationMarkingFactor; | 112 allocation_marking_factor_ = kMaxAllocationMarkingFactor; |
113 } | 113 } |
114 } | 114 } |
115 | 115 |
116 marking_deque_.UnshiftGrey(obj); | 116 marking_deque_.UnshiftGrey(obj); |
117 } | 117 } |
118 | 118 |
119 | 119 |
120 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { | 120 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { |
121 Marking::WhiteToGrey(mark_bit); | 121 WhiteToGrey(obj, mark_bit); |
122 marking_deque_.PushGrey(obj); | 122 marking_deque_.PushGrey(obj); |
123 } | 123 } |
124 | 124 |
125 | 125 |
126 bool IncrementalMarking::MarkObjectAndPush(HeapObject* obj) { | 126 void IncrementalMarking::WhiteToGrey(HeapObject* obj, MarkBit mark_bit) { |
127 MarkBit mark_bit = Marking::MarkBitFrom(obj); | 127 Marking::WhiteToGrey(mark_bit); |
128 if (!mark_bit.Get()) { | |
129 WhiteToGreyAndPush(obj, mark_bit); | |
130 return true; | |
131 } | |
132 return false; | |
133 } | 128 } |
134 | 129 |
135 | 130 |
136 bool IncrementalMarking::MarkObjectWithoutPush(HeapObject* obj) { | |
137 MarkBit mark_bit = Marking::MarkBitFrom(obj); | |
138 if (!mark_bit.Get()) { | |
139 mark_bit.Set(); | |
140 MemoryChunk::IncrementLiveBytesFromGC(obj->address(), obj->Size()); | |
141 return true; | |
142 } | |
143 return false; | |
144 } | |
145 | |
146 | |
147 } } // namespace v8::internal | 131 } } // namespace v8::internal |
148 | 132 |
149 #endif // V8_INCREMENTAL_MARKING_INL_H_ | 133 #endif // V8_INCREMENTAL_MARKING_INL_H_ |
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