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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_HEAP_SNAPSHOT_GENERATOR_H_ | 5 #ifndef V8_HEAP_SNAPSHOT_GENERATOR_H_ |
6 #define V8_HEAP_SNAPSHOT_GENERATOR_H_ | 6 #define V8_HEAP_SNAPSHOT_GENERATOR_H_ |
7 | 7 |
8 #include "src/profile-generator-inl.h" | 8 #include "src/profile-generator-inl.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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325 | 325 |
326 | 326 |
327 // An implementation of V8 heap graph extractor. | 327 // An implementation of V8 heap graph extractor. |
328 class V8HeapExplorer : public HeapEntriesAllocator { | 328 class V8HeapExplorer : public HeapEntriesAllocator { |
329 public: | 329 public: |
330 V8HeapExplorer(HeapSnapshot* snapshot, | 330 V8HeapExplorer(HeapSnapshot* snapshot, |
331 SnapshottingProgressReportingInterface* progress, | 331 SnapshottingProgressReportingInterface* progress, |
332 v8::HeapProfiler::ObjectNameResolver* resolver); | 332 v8::HeapProfiler::ObjectNameResolver* resolver); |
333 virtual ~V8HeapExplorer(); | 333 virtual ~V8HeapExplorer(); |
334 virtual HeapEntry* AllocateEntry(HeapThing ptr); | 334 virtual HeapEntry* AllocateEntry(HeapThing ptr); |
335 void AddRootEntries(SnapshotFiller* filler); | |
336 int EstimateObjectsCount(HeapIterator* iterator); | 335 int EstimateObjectsCount(HeapIterator* iterator); |
337 bool IterateAndExtractReferences(SnapshotFiller* filler); | 336 bool IterateAndExtractReferences(SnapshotFiller* filler); |
338 void TagGlobalObjects(); | 337 void TagGlobalObjects(); |
339 void TagCodeObject(Code* code); | 338 void TagCodeObject(Code* code); |
340 void TagBuiltinCodeObject(Code* code, const char* name); | 339 void TagBuiltinCodeObject(Code* code, const char* name); |
341 HeapEntry* AddEntry(Address address, | 340 HeapEntry* AddEntry(Address address, |
342 HeapEntry::Type type, | 341 HeapEntry::Type type, |
343 const char* name, | 342 const char* name, |
344 size_t size); | 343 size_t size); |
345 | 344 |
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466 | 465 |
467 class NativeGroupRetainedObjectInfo; | 466 class NativeGroupRetainedObjectInfo; |
468 | 467 |
469 | 468 |
470 // An implementation of retained native objects extractor. | 469 // An implementation of retained native objects extractor. |
471 class NativeObjectsExplorer { | 470 class NativeObjectsExplorer { |
472 public: | 471 public: |
473 NativeObjectsExplorer(HeapSnapshot* snapshot, | 472 NativeObjectsExplorer(HeapSnapshot* snapshot, |
474 SnapshottingProgressReportingInterface* progress); | 473 SnapshottingProgressReportingInterface* progress); |
475 virtual ~NativeObjectsExplorer(); | 474 virtual ~NativeObjectsExplorer(); |
476 void AddRootEntries(SnapshotFiller* filler); | |
477 int EstimateObjectsCount(); | 475 int EstimateObjectsCount(); |
478 bool IterateAndExtractReferences(SnapshotFiller* filler); | 476 bool IterateAndExtractReferences(SnapshotFiller* filler); |
479 | 477 |
480 private: | 478 private: |
481 void FillRetainedObjects(); | 479 void FillRetainedObjects(); |
482 void FillImplicitReferences(); | 480 void FillImplicitReferences(); |
483 List<HeapObject*>* GetListMaybeDisposeInfo(v8::RetainedObjectInfo* info); | 481 List<HeapObject*>* GetListMaybeDisposeInfo(v8::RetainedObjectInfo* info); |
484 void SetNativeRootReference(v8::RetainedObjectInfo* info); | 482 void SetNativeRootReference(v8::RetainedObjectInfo* info); |
485 void SetRootNativeRootsReference(); | 483 void SetRootNativeRootsReference(); |
486 void SetWrapperNativeReferences(HeapObject* wrapper, | 484 void SetWrapperNativeReferences(HeapObject* wrapper, |
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605 friend class HeapSnapshotJSONSerializerEnumerator; | 603 friend class HeapSnapshotJSONSerializerEnumerator; |
606 friend class HeapSnapshotJSONSerializerIterator; | 604 friend class HeapSnapshotJSONSerializerIterator; |
607 | 605 |
608 DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer); | 606 DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer); |
609 }; | 607 }; |
610 | 608 |
611 | 609 |
612 } } // namespace v8::internal | 610 } } // namespace v8::internal |
613 | 611 |
614 #endif // V8_HEAP_SNAPSHOT_GENERATOR_H_ | 612 #endif // V8_HEAP_SNAPSHOT_GENERATOR_H_ |
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