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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/freelist.h" | 5 #include "vm/freelist.h" |
| 6 | 6 |
| 7 #include <map> | 7 #include <map> |
| 8 | 8 |
| 9 #include "vm/bit_set.h" | 9 #include "vm/bit_set.h" |
| 10 #include "vm/lockers.h" | 10 #include "vm/lockers.h" |
| 11 #include "vm/object.h" | 11 #include "vm/object.h" |
| 12 #include "vm/raw_object.h" | 12 #include "vm/raw_object.h" |
| 13 #include "vm/thread.h" | 13 #include "vm/os_thread.h" |
| 14 | 14 |
| 15 namespace dart { | 15 namespace dart { |
| 16 | 16 |
| 17 | 17 |
| 18 FreeListElement* FreeListElement::AsElement(uword addr, intptr_t size) { | 18 FreeListElement* FreeListElement::AsElement(uword addr, intptr_t size) { |
| 19 // Precondition: the (page containing the) header of the element is | 19 // Precondition: the (page containing the) header of the element is |
| 20 // writable. | 20 // writable. |
| 21 ASSERT(size >= kObjectAlignment); | 21 ASSERT(size >= kObjectAlignment); |
| 22 ASSERT(Utils::IsAligned(size, kObjectAlignment)); | 22 ASSERT(Utils::IsAligned(size, kObjectAlignment)); |
| 23 | 23 |
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| 397 if (next_index != -1) { | 397 if (next_index != -1) { |
| 398 FreeListElement* element = DequeueElement(next_index); | 398 FreeListElement* element = DequeueElement(next_index); |
| 399 SplitElementAfterAndEnqueue(element, size, false); | 399 SplitElementAfterAndEnqueue(element, size, false); |
| 400 return reinterpret_cast<uword>(element); | 400 return reinterpret_cast<uword>(element); |
| 401 } | 401 } |
| 402 } | 402 } |
| 403 return 0; | 403 return 0; |
| 404 } | 404 } |
| 405 | 405 |
| 406 } // namespace dart | 406 } // namespace dart |
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