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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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107 } | 107 } |
108 | 108 |
109 | 109 |
110 int V8HeapExplorer::GetGcSubrootOrder(HeapObject* subroot) { | 110 int V8HeapExplorer::GetGcSubrootOrder(HeapObject* subroot) { |
111 return static_cast<int>( | 111 return static_cast<int>( |
112 (reinterpret_cast<char*>(subroot) - | 112 (reinterpret_cast<char*>(subroot) - |
113 reinterpret_cast<char*>(kFirstGcSubrootObject)) / | 113 reinterpret_cast<char*>(kFirstGcSubrootObject)) / |
114 HeapObjectsMap::kObjectIdStep); | 114 HeapObjectsMap::kObjectIdStep); |
115 } | 115 } |
116 | 116 |
117 | |
118 SnapshotObjectId HeapEntry::id() { | |
119 union { | |
120 Id stored_id; | |
121 SnapshotObjectId returned_id; | |
122 } id_adaptor = {id_}; | |
123 return id_adaptor.returned_id; | |
124 } | |
125 | |
126 } } // namespace v8::internal | 117 } } // namespace v8::internal |
127 | 118 |
128 #endif // V8_PROFILE_GENERATOR_INL_H_ | 119 #endif // V8_PROFILE_GENERATOR_INL_H_ |
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