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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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157 #endif | 157 #endif |
158 | 158 |
159 | 159 |
160 // -------------------------------------------------------------------------- | 160 // -------------------------------------------------------------------------- |
161 // PagedSpace | 161 // PagedSpace |
162 Page* Page::Initialize(Heap* heap, | 162 Page* Page::Initialize(Heap* heap, |
163 MemoryChunk* chunk, | 163 MemoryChunk* chunk, |
164 Executability executable, | 164 Executability executable, |
165 PagedSpace* owner) { | 165 PagedSpace* owner) { |
166 Page* page = reinterpret_cast<Page*>(chunk); | 166 Page* page = reinterpret_cast<Page*>(chunk); |
167 ASSERT(chunk->size() == static_cast<size_t>(kPageSize)); | 167 ASSERT(chunk->size() <= static_cast<size_t>(kPageSize)); |
168 ASSERT(chunk->owner() == owner); | 168 ASSERT(chunk->owner() == owner); |
169 owner->IncreaseCapacity(page->area_size()); | 169 owner->IncreaseCapacity(page->area_size()); |
170 owner->Free(page->area_start(), page->area_size()); | 170 owner->Free(page->area_start(), page->area_size()); |
171 | 171 |
172 heap->incremental_marking()->SetOldSpacePageFlags(chunk); | 172 heap->incremental_marking()->SetOldSpacePageFlags(chunk); |
173 | 173 |
174 return page; | 174 return page; |
175 } | 175 } |
176 | 176 |
177 | 177 |
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339 Map* map = object->map(); | 339 Map* map = object->map(); |
340 Heap* heap = object->GetHeap(); | 340 Heap* heap = object->GetHeap(); |
341 return map == heap->raw_unchecked_free_space_map() | 341 return map == heap->raw_unchecked_free_space_map() |
342 || map == heap->raw_unchecked_one_pointer_filler_map() | 342 || map == heap->raw_unchecked_one_pointer_filler_map() |
343 || map == heap->raw_unchecked_two_pointer_filler_map(); | 343 || map == heap->raw_unchecked_two_pointer_filler_map(); |
344 } | 344 } |
345 | 345 |
346 } } // namespace v8::internal | 346 } } // namespace v8::internal |
347 | 347 |
348 #endif // V8_SPACES_INL_H_ | 348 #endif // V8_SPACES_INL_H_ |
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