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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 // 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 |
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118 marking_deque_.UnshiftGrey(obj); | 118 marking_deque_.UnshiftGrey(obj); |
119 } | 119 } |
120 | 120 |
121 | 121 |
122 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { | 122 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { |
123 Marking::WhiteToGrey(mark_bit); | 123 Marking::WhiteToGrey(mark_bit); |
124 marking_deque_.PushGrey(obj); | 124 marking_deque_.PushGrey(obj); |
125 } | 125 } |
126 | 126 |
127 | 127 |
128 bool IncrementalMarking::MarkObjectAndPush(HeapObject* obj) { | |
129 MarkBit mark_bit = Marking::MarkBitFrom(obj); | |
130 if (!mark_bit.Get()) { | |
131 WhiteToGreyAndPush(obj, mark_bit); | |
132 return true; | |
133 } | |
134 return false; | |
135 } | |
136 | |
137 | |
138 bool IncrementalMarking::MarkObjectWithoutPush(HeapObject* obj) { | |
139 MarkBit mark_bit = Marking::MarkBitFrom(obj); | |
140 if (!mark_bit.Get()) { | |
141 mark_bit.Set(); | |
142 MemoryChunk::IncrementLiveBytesFromGC(obj->address(), obj->Size()); | |
143 return true; | |
144 } | |
145 return false; | |
146 } | |
147 | |
148 | |
149 } } // namespace v8::internal | 128 } } // namespace v8::internal |
150 | 129 |
151 #endif // V8_INCREMENTAL_MARKING_INL_H_ | 130 #endif // V8_INCREMENTAL_MARKING_INL_H_ |
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