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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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261 // we still do it. | 261 // we still do it. |
262 heap->CreateFillerObjectAt(elms->address(), to_trim * entry_size); | 262 heap->CreateFillerObjectAt(elms->address(), to_trim * entry_size); |
263 | 263 |
264 int new_start_index = to_trim * (entry_size / kPointerSize); | 264 int new_start_index = to_trim * (entry_size / kPointerSize); |
265 former_start[new_start_index] = map; | 265 former_start[new_start_index] = map; |
266 former_start[new_start_index + 1] = Smi::FromInt(len - to_trim); | 266 former_start[new_start_index + 1] = Smi::FromInt(len - to_trim); |
267 | 267 |
268 // Maintain marking consistency for HeapObjectIterator and | 268 // Maintain marking consistency for HeapObjectIterator and |
269 // IncrementalMarking. | 269 // IncrementalMarking. |
270 int size_delta = to_trim * entry_size; | 270 int size_delta = to_trim * entry_size; |
271 heap->marking()->TransferMark(elms->address(), elms->address() + size_delta); | 271 Address new_start = elms->address() + size_delta; |
272 heap->AdjustLiveBytes(elms->address(), -size_delta, Heap::FROM_MUTATOR); | 272 heap->marking()->TransferMark(elms->address(), new_start); |
| 273 heap->AdjustLiveBytes(new_start, -size_delta, Heap::FROM_MUTATOR); |
273 | 274 |
274 FixedArrayBase* new_elms = FixedArrayBase::cast(HeapObject::FromAddress( | 275 FixedArrayBase* new_elms = |
275 elms->address() + size_delta)); | 276 FixedArrayBase::cast(HeapObject::FromAddress(new_start)); |
276 HeapProfiler* profiler = heap->isolate()->heap_profiler(); | 277 HeapProfiler* profiler = heap->isolate()->heap_profiler(); |
277 if (profiler->is_tracking_object_moves()) { | 278 if (profiler->is_tracking_object_moves()) { |
278 profiler->ObjectMoveEvent(elms->address(), | 279 profiler->ObjectMoveEvent(elms->address(), |
279 new_elms->address(), | 280 new_elms->address(), |
280 new_elms->Size()); | 281 new_elms->Size()); |
281 } | 282 } |
282 return new_elms; | 283 return new_elms; |
283 } | 284 } |
284 | 285 |
285 | 286 |
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1756 } | 1757 } |
1757 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) | 1758 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) |
1758 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) | 1759 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) |
1759 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H) | 1760 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H) |
1760 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) | 1761 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) |
1761 #undef DEFINE_BUILTIN_ACCESSOR_C | 1762 #undef DEFINE_BUILTIN_ACCESSOR_C |
1762 #undef DEFINE_BUILTIN_ACCESSOR_A | 1763 #undef DEFINE_BUILTIN_ACCESSOR_A |
1763 | 1764 |
1764 | 1765 |
1765 } } // namespace v8::internal | 1766 } } // namespace v8::internal |
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