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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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676 // | 676 // |
677 // BaseHeap is a parent class of NormalPageHeap and LargeObjectHeap. | 677 // BaseHeap is a parent class of NormalPageHeap and LargeObjectHeap. |
678 // NormalPageHeap represents a heap that contains NormalPages | 678 // NormalPageHeap represents a heap that contains NormalPages |
679 // and LargeObjectHeap represents a heap that contains LargeObjectPages. | 679 // and LargeObjectHeap represents a heap that contains LargeObjectPages. |
680 class PLATFORM_EXPORT BaseHeap { | 680 class PLATFORM_EXPORT BaseHeap { |
681 public: | 681 public: |
682 BaseHeap(ThreadState*, int); | 682 BaseHeap(ThreadState*, int); |
683 virtual ~BaseHeap(); | 683 virtual ~BaseHeap(); |
684 void cleanupPages(); | 684 void cleanupPages(); |
685 | 685 |
| 686 void takeSnapshot(const String& dumpBaseName); |
686 #if ENABLE(ASSERT) || ENABLE(GC_PROFILING) | 687 #if ENABLE(ASSERT) || ENABLE(GC_PROFILING) |
687 BasePage* findPageFromAddress(Address); | 688 BasePage* findPageFromAddress(Address); |
688 #endif | 689 #endif |
689 #if ENABLE(GC_PROFILING) | 690 #if ENABLE(GC_PROFILING) |
690 void snapshot(TracedValue*, ThreadState::SnapshotInfo*); | 691 void snapshot(TracedValue*, ThreadState::SnapshotInfo*); |
691 virtual void snapshotFreeList(TracedValue&) { }; | 692 virtual void snapshotFreeList(TracedValue&) { }; |
692 | 693 |
693 void countMarkedObjects(ClassAgeCountsMap&) const; | 694 void countMarkedObjects(ClassAgeCountsMap&) const; |
694 void countObjectsToSweep(ClassAgeCountsMap&) const; | 695 void countObjectsToSweep(ClassAgeCountsMap&) const; |
695 void incrementMarkedObjectsAge(); | 696 void incrementMarkedObjectsAge(); |
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1382 size_t copySize = previousHeader->payloadSize(); | 1383 size_t copySize = previousHeader->payloadSize(); |
1383 if (copySize > size) | 1384 if (copySize > size) |
1384 copySize = size; | 1385 copySize = size; |
1385 memcpy(address, previous, copySize); | 1386 memcpy(address, previous, copySize); |
1386 return address; | 1387 return address; |
1387 } | 1388 } |
1388 | 1389 |
1389 } // namespace blink | 1390 } // namespace blink |
1390 | 1391 |
1391 #endif // Heap_h | 1392 #endif // Heap_h |
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