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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_INCREMENTAL_MARKING_INL_H_ | 5 #ifndef V8_INCREMENTAL_MARKING_INL_H_ |
6 #define V8_INCREMENTAL_MARKING_INL_H_ | 6 #define V8_INCREMENTAL_MARKING_INL_H_ |
7 | 7 |
8 #include "src/incremental-marking.h" | 8 #include "src/incremental-marking.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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77 } | 77 } |
78 BlackToGreyAndUnshift(obj, obj_bit); | 78 BlackToGreyAndUnshift(obj, obj_bit); |
79 RestartIfNotMarking(); | 79 RestartIfNotMarking(); |
80 } | 80 } |
81 } | 81 } |
82 } | 82 } |
83 | 83 |
84 | 84 |
85 void IncrementalMarking::BlackToGreyAndUnshift(HeapObject* obj, | 85 void IncrementalMarking::BlackToGreyAndUnshift(HeapObject* obj, |
86 MarkBit mark_bit) { | 86 MarkBit mark_bit) { |
87 ASSERT(Marking::MarkBitFrom(obj) == mark_bit); | 87 DCHECK(Marking::MarkBitFrom(obj) == mark_bit); |
88 ASSERT(obj->Size() >= 2*kPointerSize); | 88 DCHECK(obj->Size() >= 2*kPointerSize); |
89 ASSERT(IsMarking()); | 89 DCHECK(IsMarking()); |
90 Marking::BlackToGrey(mark_bit); | 90 Marking::BlackToGrey(mark_bit); |
91 int obj_size = obj->Size(); | 91 int obj_size = obj->Size(); |
92 MemoryChunk::IncrementLiveBytesFromGC(obj->address(), -obj_size); | 92 MemoryChunk::IncrementLiveBytesFromGC(obj->address(), -obj_size); |
93 bytes_scanned_ -= obj_size; | 93 bytes_scanned_ -= obj_size; |
94 int64_t old_bytes_rescanned = bytes_rescanned_; | 94 int64_t old_bytes_rescanned = bytes_rescanned_; |
95 bytes_rescanned_ = old_bytes_rescanned + obj_size; | 95 bytes_rescanned_ = old_bytes_rescanned + obj_size; |
96 if ((bytes_rescanned_ >> 20) != (old_bytes_rescanned >> 20)) { | 96 if ((bytes_rescanned_ >> 20) != (old_bytes_rescanned >> 20)) { |
97 if (bytes_rescanned_ > 2 * heap_->PromotedSpaceSizeOfObjects()) { | 97 if (bytes_rescanned_ > 2 * heap_->PromotedSpaceSizeOfObjects()) { |
98 // If we have queued twice the heap size for rescanning then we are | 98 // If we have queued twice the heap size for rescanning then we are |
99 // going around in circles, scanning the same objects again and again | 99 // going around in circles, scanning the same objects again and again |
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113 | 113 |
114 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { | 114 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { |
115 Marking::WhiteToGrey(mark_bit); | 115 Marking::WhiteToGrey(mark_bit); |
116 marking_deque_.PushGrey(obj); | 116 marking_deque_.PushGrey(obj); |
117 } | 117 } |
118 | 118 |
119 | 119 |
120 } } // namespace v8::internal | 120 } } // namespace v8::internal |
121 | 121 |
122 #endif // V8_INCREMENTAL_MARKING_INL_H_ | 122 #endif // V8_INCREMENTAL_MARKING_INL_H_ |
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