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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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88 // To avoid confusing people, let's put all these entries into | 88 // To avoid confusing people, let's put all these entries into |
89 // one bucket. | 89 // one bucket. |
90 case OTHER: | 90 case OTHER: |
91 case EXTERNAL: | 91 case EXTERNAL: |
92 return program_entry_; | 92 return program_entry_; |
93 default: return NULL; | 93 default: return NULL; |
94 } | 94 } |
95 } | 95 } |
96 | 96 |
97 | 97 |
| 98 HeapEntry* HeapGraphEdge::from() const { |
| 99 return const_cast<HeapEntry*>( |
| 100 reinterpret_cast<const HeapEntry*>(this - child_index_) - 1); |
| 101 } |
| 102 |
| 103 |
98 SnapshotObjectId HeapObjectsMap::GetNthGcSubrootId(int delta) { | 104 SnapshotObjectId HeapObjectsMap::GetNthGcSubrootId(int delta) { |
99 return kGcRootsFirstSubrootId + delta * kObjectIdStep; | 105 return kGcRootsFirstSubrootId + delta * kObjectIdStep; |
100 } | 106 } |
101 | 107 |
102 | 108 |
103 HeapObject* V8HeapExplorer::GetNthGcSubrootObject(int delta) { | 109 HeapObject* V8HeapExplorer::GetNthGcSubrootObject(int delta) { |
104 return reinterpret_cast<HeapObject*>( | 110 return reinterpret_cast<HeapObject*>( |
105 reinterpret_cast<char*>(kFirstGcSubrootObject) + | 111 reinterpret_cast<char*>(kFirstGcSubrootObject) + |
106 delta * HeapObjectsMap::kObjectIdStep); | 112 delta * HeapObjectsMap::kObjectIdStep); |
107 } | 113 } |
108 | 114 |
109 | 115 |
110 int V8HeapExplorer::GetGcSubrootOrder(HeapObject* subroot) { | 116 int V8HeapExplorer::GetGcSubrootOrder(HeapObject* subroot) { |
111 return static_cast<int>( | 117 return static_cast<int>( |
112 (reinterpret_cast<char*>(subroot) - | 118 (reinterpret_cast<char*>(subroot) - |
113 reinterpret_cast<char*>(kFirstGcSubrootObject)) / | 119 reinterpret_cast<char*>(kFirstGcSubrootObject)) / |
114 HeapObjectsMap::kObjectIdStep); | 120 HeapObjectsMap::kObjectIdStep); |
115 } | 121 } |
116 | 122 |
117 } } // namespace v8::internal | 123 } } // namespace v8::internal |
118 | 124 |
119 #endif // V8_PROFILE_GENERATOR_INL_H_ | 125 #endif // V8_PROFILE_GENERATOR_INL_H_ |
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