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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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518 | 518 |
519 // If the first word is a forwarding address, the object has already been | 519 // If the first word is a forwarding address, the object has already been |
520 // copied. | 520 // copied. |
521 if (first_word.IsForwardingAddress()) { | 521 if (first_word.IsForwardingAddress()) { |
522 HeapObject* dest = first_word.ToForwardingAddress(); | 522 HeapObject* dest = first_word.ToForwardingAddress(); |
523 ASSERT(object->GetIsolate()->heap()->InFromSpace(*p)); | 523 ASSERT(object->GetIsolate()->heap()->InFromSpace(*p)); |
524 *p = dest; | 524 *p = dest; |
525 return; | 525 return; |
526 } | 526 } |
527 | 527 |
528 if (FLAG_trace_track_allocation_sites && | 528 if (FLAG_trace_track_allocation_sites && object->IsJSObject()) { |
529 AllocationSite::CanTrack(object->map()->instance_type()) && | 529 if (AllocationMemento::FindForJSObject(JSObject::cast(object), true) != |
530 object->IsJSObject()) { | 530 NULL) { |
531 if (AllocationMemento::FindForJSObject(JSObject::cast(object)) != NULL) { | 531 object->GetIsolate()->heap()->allocation_mementos_found_++; |
532 object->GetIsolate()->heap()->allocation_mementos_found_on_scavenge_++; | |
533 } | 532 } |
534 } | 533 } |
535 | 534 |
536 // AllocationMementos are unrooted and shouldn't survive a scavenge | 535 // AllocationMementos are unrooted and shouldn't survive a scavenge |
537 ASSERT(object->map() != object->GetHeap()->allocation_memento_map()); | 536 ASSERT(object->map() != object->GetHeap()->allocation_memento_map()); |
538 // Call the slow part of scavenge object. | 537 // Call the slow part of scavenge object. |
539 return ScavengeObjectSlow(p, object); | 538 return ScavengeObjectSlow(p, object); |
540 } | 539 } |
541 | 540 |
542 | 541 |
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889 #ifdef DEBUG | 888 #ifdef DEBUG |
890 Isolate* isolate = Isolate::Current(); | 889 Isolate* isolate = Isolate::Current(); |
891 isolate->heap()->disallow_allocation_failure_ = old_state_; | 890 isolate->heap()->disallow_allocation_failure_ = old_state_; |
892 #endif | 891 #endif |
893 } | 892 } |
894 | 893 |
895 | 894 |
896 } } // namespace v8::internal | 895 } } // namespace v8::internal |
897 | 896 |
898 #endif // V8_HEAP_INL_H_ | 897 #endif // V8_HEAP_INL_H_ |
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