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-// Copyright 2009-2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_HEAP_PROFILER_H_
-#define V8_HEAP_PROFILER_H_
-
-#include "isolate.h"
-
-namespace v8 {
-namespace internal {
-
-class HeapSnapshot;
-class HeapSnapshotsCollection;
-
-#define HEAP_PROFILE(heap, call) \
- do { \
- v8::internal::HeapProfiler* profiler = heap->isolate()->heap_profiler(); \
- if (profiler != NULL && profiler->is_profiling()) { \
- profiler->call; \
- } \
- } while (false)
-
-class HeapProfiler {
- public:
- static void SetUp();
- static void TearDown();
-
- static size_t GetMemorySizeUsedByProfiler();
-
- static HeapSnapshot* TakeSnapshot(
- const char* name,
- int type,
- v8::ActivityControl* control,
- v8::HeapProfiler::ObjectNameResolver* resolver);
- static HeapSnapshot* TakeSnapshot(
- String* name,
- int type,
- v8::ActivityControl* control,
- v8::HeapProfiler::ObjectNameResolver* resolver);
-
- static void StartHeapObjectsTracking();
- static void StopHeapObjectsTracking();
- static SnapshotObjectId PushHeapObjectsStats(OutputStream* stream);
- static int GetSnapshotsCount();
- static HeapSnapshot* GetSnapshot(int index);
- static HeapSnapshot* FindSnapshot(unsigned uid);
- static SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj);
- static void DeleteAllSnapshots();
-
- void ObjectMoveEvent(Address from, Address to);
-
- void DefineWrapperClass(
- uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback);
-
- v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id,
- Object** wrapper);
- INLINE(bool is_profiling()) {
- return snapshots_->is_tracking_objects();
- }
-
- private:
- explicit HeapProfiler(Heap* heap);
- ~HeapProfiler();
- HeapSnapshot* TakeSnapshotImpl(
- const char* name,
- int type,
- v8::ActivityControl* control,
- v8::HeapProfiler::ObjectNameResolver* resolver);
- HeapSnapshot* TakeSnapshotImpl(
- String* name,
- int type,
- v8::ActivityControl* control,
- v8::HeapProfiler::ObjectNameResolver* resolver);
- void ResetSnapshots();
-
- void StartHeapObjectsTrackingImpl();
- void StopHeapObjectsTrackingImpl();
- SnapshotObjectId PushHeapObjectsStatsImpl(OutputStream* stream);
-
- Heap* heap() const { return snapshots_->heap(); }
-
- HeapSnapshotsCollection* snapshots_;
- unsigned next_snapshot_uid_;
- List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
-};
-
-} } // namespace v8::internal
-
-#endif // V8_HEAP_PROFILER_H_