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1 // Copyright 2011 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 |
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1108 set_map_word(MapWord::FromMap(value)); | 1108 set_map_word(MapWord::FromMap(value)); |
1109 if (value != NULL) { | 1109 if (value != NULL) { |
1110 // TODO(1600) We are passing NULL as a slot because maps can never be on | 1110 // TODO(1600) We are passing NULL as a slot because maps can never be on |
1111 // evacuation candidate. | 1111 // evacuation candidate. |
1112 value->GetHeap()->incremental_marking()->RecordWrite(this, NULL, value); | 1112 value->GetHeap()->incremental_marking()->RecordWrite(this, NULL, value); |
1113 } | 1113 } |
1114 } | 1114 } |
1115 | 1115 |
1116 | 1116 |
1117 // Unsafe accessor omitting write barrier. | 1117 // Unsafe accessor omitting write barrier. |
1118 void HeapObject::set_map_unsafe(Map* value) { | 1118 void HeapObject::set_map_no_wb(Map* value) { |
1119 set_map_word(MapWord::FromMap(value)); | 1119 set_map_word(MapWord::FromMap(value)); |
1120 } | 1120 } |
1121 | 1121 |
1122 | 1122 |
1123 MapWord HeapObject::map_word() { | 1123 MapWord HeapObject::map_word() { |
1124 return MapWord(reinterpret_cast<uintptr_t>(READ_FIELD(this, kMapOffset))); | 1124 return MapWord(reinterpret_cast<uintptr_t>(READ_FIELD(this, kMapOffset))); |
1125 } | 1125 } |
1126 | 1126 |
1127 | 1127 |
1128 void HeapObject::set_map_word(MapWord map_word) { | 1128 void HeapObject::set_map_word(MapWord map_word) { |
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4702 #undef WRITE_INT_FIELD | 4702 #undef WRITE_INT_FIELD |
4703 #undef READ_SHORT_FIELD | 4703 #undef READ_SHORT_FIELD |
4704 #undef WRITE_SHORT_FIELD | 4704 #undef WRITE_SHORT_FIELD |
4705 #undef READ_BYTE_FIELD | 4705 #undef READ_BYTE_FIELD |
4706 #undef WRITE_BYTE_FIELD | 4706 #undef WRITE_BYTE_FIELD |
4707 | 4707 |
4708 | 4708 |
4709 } } // namespace v8::internal | 4709 } } // namespace v8::internal |
4710 | 4710 |
4711 #endif // V8_OBJECTS_INL_H_ | 4711 #endif // V8_OBJECTS_INL_H_ |
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