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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_INCREMENTAL_MARKING_H_ | 5 #ifndef V8_HEAP_INCREMENTAL_MARKING_H_ |
6 #define V8_HEAP_INCREMENTAL_MARKING_H_ | 6 #define V8_HEAP_INCREMENTAL_MARKING_H_ |
7 | 7 |
8 | 8 |
9 #include "src/execution.h" | 9 #include "src/execution.h" |
10 #include "src/heap/mark-compact.h" | 10 #include "src/heap/mark-compact.h" |
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60 bool ShouldActivate(); | 60 bool ShouldActivate(); |
61 | 61 |
62 bool WasActivated(); | 62 bool WasActivated(); |
63 | 63 |
64 enum CompactionFlag { ALLOW_COMPACTION, PREVENT_COMPACTION }; | 64 enum CompactionFlag { ALLOW_COMPACTION, PREVENT_COMPACTION }; |
65 | 65 |
66 void Start(CompactionFlag flag = ALLOW_COMPACTION); | 66 void Start(CompactionFlag flag = ALLOW_COMPACTION); |
67 | 67 |
68 void Stop(); | 68 void Stop(); |
69 | 69 |
| 70 void MarkObjectGroups(); |
| 71 |
70 void PrepareForScavenge(); | 72 void PrepareForScavenge(); |
71 | 73 |
72 void UpdateMarkingDequeAfterScavenge(); | 74 void UpdateMarkingDequeAfterScavenge(); |
73 | 75 |
74 void Hurry(); | 76 void Hurry(); |
75 | 77 |
76 void Finalize(); | 78 void Finalize(); |
77 | 79 |
78 void Abort(); | 80 void Abort(); |
79 | 81 |
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182 void LeaveNoMarkingScope() { no_marking_scope_depth_--; } | 184 void LeaveNoMarkingScope() { no_marking_scope_depth_--; } |
183 | 185 |
184 void NotifyIncompleteScanOfObject(int unscanned_bytes) { | 186 void NotifyIncompleteScanOfObject(int unscanned_bytes) { |
185 unscanned_bytes_of_large_object_ = unscanned_bytes; | 187 unscanned_bytes_of_large_object_ = unscanned_bytes; |
186 } | 188 } |
187 | 189 |
188 void ClearIdleMarkingDelayCounter(); | 190 void ClearIdleMarkingDelayCounter(); |
189 | 191 |
190 bool IsIdleMarkingDelayCounterLimitReached(); | 192 bool IsIdleMarkingDelayCounterLimitReached(); |
191 | 193 |
192 INLINE(static void MarkObject(Heap* heap, Object* object)); | 194 INLINE(static void MarkObject(Heap* heap, HeapObject* object)); |
193 | 195 |
194 Heap* heap() const { return heap_; } | 196 Heap* heap() const { return heap_; } |
195 | 197 |
196 private: | 198 private: |
197 int64_t SpaceLeftInOldSpace(); | 199 int64_t SpaceLeftInOldSpace(); |
198 | 200 |
199 void SpeedUp(); | 201 void SpeedUp(); |
200 | 202 |
201 void ResetStepCounters(); | 203 void ResetStepCounters(); |
202 | 204 |
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248 bool weak_closure_was_overapproximated_; | 250 bool weak_closure_was_overapproximated_; |
249 | 251 |
250 GCRequestType request_type_; | 252 GCRequestType request_type_; |
251 | 253 |
252 DISALLOW_IMPLICIT_CONSTRUCTORS(IncrementalMarking); | 254 DISALLOW_IMPLICIT_CONSTRUCTORS(IncrementalMarking); |
253 }; | 255 }; |
254 } | 256 } |
255 } // namespace v8::internal | 257 } // namespace v8::internal |
256 | 258 |
257 #endif // V8_HEAP_INCREMENTAL_MARKING_H_ | 259 #endif // V8_HEAP_INCREMENTAL_MARKING_H_ |
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