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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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2001 ASSERT(Heap::map_space()->Contains(map)); | 2001 ASSERT(Heap::map_space()->Contains(map)); |
2002 MapWord map_word = map->map_word(); | 2002 MapWord map_word = map->map_word(); |
2003 ASSERT(!map_word.IsMarked()); | 2003 ASSERT(!map_word.IsMarked()); |
2004 if (map_word.IsOverflowed()) { | 2004 if (map_word.IsOverflowed()) { |
2005 Map* new_map = GetForwardedMap(map_word); | 2005 Map* new_map = GetForwardedMap(map_word); |
2006 ASSERT(Heap::map_space()->Contains(new_map)); | 2006 ASSERT(Heap::map_space()->Contains(new_map)); |
2007 obj->set_map(new_map); | 2007 obj->set_map(new_map); |
2008 | 2008 |
2009 #ifdef DEBUG | 2009 #ifdef DEBUG |
2010 if (FLAG_gc_verbose) { | 2010 if (FLAG_gc_verbose) { |
2011 PrintF("update %p : %p -> %p\n", obj->address(), | 2011 PrintF("update %p : %p -> %p\n", |
2012 map, new_map); | 2012 obj->address(), |
| 2013 reinterpret_cast<void*>(map), |
| 2014 reinterpret_cast<void*>(new_map)); |
2013 } | 2015 } |
2014 #endif | 2016 #endif |
2015 } | 2017 } |
2016 | 2018 |
2017 int size = obj->SizeFromMap(map); | 2019 int size = obj->SizeFromMap(map); |
2018 obj->IterateBody(map->instance_type(), size, &map_updating_visitor_); | 2020 obj->IterateBody(map->instance_type(), size, &map_updating_visitor_); |
2019 return size; | 2021 return size; |
2020 } | 2022 } |
2021 | 2023 |
2022 static void UpdateMapPointersInRange(Address start, Address end) { | 2024 static void UpdateMapPointersInRange(Address start, Address end) { |
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2632 } | 2634 } |
2633 | 2635 |
2634 | 2636 |
2635 void MarkCompactCollector::Initialize() { | 2637 void MarkCompactCollector::Initialize() { |
2636 StaticPointersToNewGenUpdatingVisitor::Initialize(); | 2638 StaticPointersToNewGenUpdatingVisitor::Initialize(); |
2637 StaticMarkingVisitor::Initialize(); | 2639 StaticMarkingVisitor::Initialize(); |
2638 } | 2640 } |
2639 | 2641 |
2640 | 2642 |
2641 } } // namespace v8::internal | 2643 } } // namespace v8::internal |
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