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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_HEAP_H_ | 5 #ifndef V8_HEAP_HEAP_H_ |
6 #define V8_HEAP_HEAP_H_ | 6 #define V8_HEAP_HEAP_H_ |
7 | 7 |
8 #include <cmath> | 8 #include <cmath> |
9 #include <map> | 9 #include <map> |
10 | 10 |
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808 } | 808 } |
809 | 809 |
810 int64_t amount_of_external_allocated_memory() { | 810 int64_t amount_of_external_allocated_memory() { |
811 return amount_of_external_allocated_memory_; | 811 return amount_of_external_allocated_memory_; |
812 } | 812 } |
813 | 813 |
814 void update_amount_of_external_allocated_memory(int64_t delta) { | 814 void update_amount_of_external_allocated_memory(int64_t delta) { |
815 amount_of_external_allocated_memory_ += delta; | 815 amount_of_external_allocated_memory_ += delta; |
816 } | 816 } |
817 | 817 |
| 818 void update_amount_of_external_allocated_freed_memory(intptr_t freed) { |
| 819 amount_of_external_allocated_memory_freed_.Increment(freed); |
| 820 } |
| 821 |
| 822 void account_amount_of_external_allocated_freed_memory() { |
| 823 amount_of_external_allocated_memory_ -= |
| 824 amount_of_external_allocated_memory_freed_.Value(); |
| 825 amount_of_external_allocated_memory_freed_.SetValue(0); |
| 826 } |
| 827 |
818 void DeoptMarkedAllocationSites(); | 828 void DeoptMarkedAllocationSites(); |
819 | 829 |
820 bool DeoptMaybeTenuredAllocationSites() { | 830 bool DeoptMaybeTenuredAllocationSites() { |
821 return new_space_.IsAtMaximumCapacity() && maximum_size_scavenges_ == 0; | 831 return new_space_.IsAtMaximumCapacity() && maximum_size_scavenges_ == 0; |
822 } | 832 } |
823 | 833 |
824 void AddWeakObjectToCodeDependency(Handle<HeapObject> obj, | 834 void AddWeakObjectToCodeDependency(Handle<HeapObject> obj, |
825 Handle<DependentCode> dep); | 835 Handle<DependentCode> dep); |
826 | 836 |
827 DependentCode* LookupWeakObjectToCodeDependency(Handle<HeapObject> obj); | 837 DependentCode* LookupWeakObjectToCodeDependency(Handle<HeapObject> obj); |
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1975 | 1985 |
1976 void set_force_oom(bool value) { force_oom_ = value; } | 1986 void set_force_oom(bool value) { force_oom_ = value; } |
1977 | 1987 |
1978 // The amount of external memory registered through the API kept alive | 1988 // The amount of external memory registered through the API kept alive |
1979 // by global handles | 1989 // by global handles |
1980 int64_t amount_of_external_allocated_memory_; | 1990 int64_t amount_of_external_allocated_memory_; |
1981 | 1991 |
1982 // Caches the amount of external memory registered at the last global gc. | 1992 // Caches the amount of external memory registered at the last global gc. |
1983 int64_t amount_of_external_allocated_memory_at_last_global_gc_; | 1993 int64_t amount_of_external_allocated_memory_at_last_global_gc_; |
1984 | 1994 |
| 1995 base::AtomicNumber<intptr_t> amount_of_external_allocated_memory_freed_; |
| 1996 |
1985 // This can be calculated directly from a pointer to the heap; however, it is | 1997 // This can be calculated directly from a pointer to the heap; however, it is |
1986 // more expedient to get at the isolate directly from within Heap methods. | 1998 // more expedient to get at the isolate directly from within Heap methods. |
1987 Isolate* isolate_; | 1999 Isolate* isolate_; |
1988 | 2000 |
1989 Object* roots_[kRootListLength]; | 2001 Object* roots_[kRootListLength]; |
1990 | 2002 |
1991 size_t code_range_size_; | 2003 size_t code_range_size_; |
1992 int max_semi_space_size_; | 2004 int max_semi_space_size_; |
1993 int initial_semispace_size_; | 2005 int initial_semispace_size_; |
1994 intptr_t max_old_generation_size_; | 2006 intptr_t max_old_generation_size_; |
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2647 friend class LargeObjectSpace; | 2659 friend class LargeObjectSpace; |
2648 friend class NewSpace; | 2660 friend class NewSpace; |
2649 friend class PagedSpace; | 2661 friend class PagedSpace; |
2650 DISALLOW_COPY_AND_ASSIGN(AllocationObserver); | 2662 DISALLOW_COPY_AND_ASSIGN(AllocationObserver); |
2651 }; | 2663 }; |
2652 | 2664 |
2653 } // namespace internal | 2665 } // namespace internal |
2654 } // namespace v8 | 2666 } // namespace v8 |
2655 | 2667 |
2656 #endif // V8_HEAP_HEAP_H_ | 2668 #endif // V8_HEAP_HEAP_H_ |
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