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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_MARK_COMPACT_INL_H_ | 5 #ifndef V8_HEAP_MARK_COMPACT_INL_H_ |
6 #define V8_HEAP_MARK_COMPACT_INL_H_ | 6 #define V8_HEAP_MARK_COMPACT_INL_H_ |
7 | 7 |
8 #include "src/heap/mark-compact.h" | 8 #include "src/heap/mark-compact.h" |
| 9 #include "src/heap/slots-buffer.h" |
9 #include "src/isolate.h" | 10 #include "src/isolate.h" |
10 | 11 |
11 namespace v8 { | 12 namespace v8 { |
12 namespace internal { | 13 namespace internal { |
13 | 14 |
14 void MarkCompactCollector::PushBlack(HeapObject* obj) { | 15 void MarkCompactCollector::PushBlack(HeapObject* obj) { |
15 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(obj))); | 16 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(obj))); |
16 if (marking_deque_.Push(obj)) { | 17 if (marking_deque_.Push(obj)) { |
17 MemoryChunk::IncrementLiveBytesFromGC(obj, obj->Size()); | 18 MemoryChunk::IncrementLiveBytesFromGC(obj, obj->Size()); |
18 } else { | 19 } else { |
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48 } | 49 } |
49 | 50 |
50 | 51 |
51 bool MarkCompactCollector::IsMarked(Object* obj) { | 52 bool MarkCompactCollector::IsMarked(Object* obj) { |
52 DCHECK(obj->IsHeapObject()); | 53 DCHECK(obj->IsHeapObject()); |
53 HeapObject* heap_object = HeapObject::cast(obj); | 54 HeapObject* heap_object = HeapObject::cast(obj); |
54 return Marking::IsBlackOrGrey(Marking::MarkBitFrom(heap_object)); | 55 return Marking::IsBlackOrGrey(Marking::MarkBitFrom(heap_object)); |
55 } | 56 } |
56 | 57 |
57 | 58 |
| 59 void MarkCompactCollector::RecordSlot(HeapObject* object, Object** slot, |
| 60 Object* target) { |
| 61 Page* target_page = Page::FromAddress(reinterpret_cast<Address>(target)); |
| 62 if (target_page->IsEvacuationCandidate() && |
| 63 !ShouldSkipEvacuationSlotRecording(object)) { |
| 64 if (!SlotsBuffer::AddTo(slots_buffer_allocator_, |
| 65 target_page->slots_buffer_address(), slot, |
| 66 SlotsBuffer::FAIL_ON_OVERFLOW)) { |
| 67 EvictPopularEvacuationCandidate(target_page); |
| 68 } |
| 69 } |
| 70 } |
| 71 |
| 72 |
| 73 void MarkCompactCollector::ForceRecordSlot(HeapObject* object, Object** slot, |
| 74 Object* target) { |
| 75 Page* target_page = Page::FromAddress(reinterpret_cast<Address>(target)); |
| 76 if (target_page->IsEvacuationCandidate() && |
| 77 !ShouldSkipEvacuationSlotRecording(object)) { |
| 78 CHECK(SlotsBuffer::AddTo(slots_buffer_allocator_, |
| 79 target_page->slots_buffer_address(), slot, |
| 80 SlotsBuffer::IGNORE_OVERFLOW)); |
| 81 } |
| 82 } |
| 83 |
| 84 |
58 void CodeFlusher::AddCandidate(SharedFunctionInfo* shared_info) { | 85 void CodeFlusher::AddCandidate(SharedFunctionInfo* shared_info) { |
59 if (GetNextCandidate(shared_info) == NULL) { | 86 if (GetNextCandidate(shared_info) == NULL) { |
60 SetNextCandidate(shared_info, shared_function_info_candidates_head_); | 87 SetNextCandidate(shared_info, shared_function_info_candidates_head_); |
61 shared_function_info_candidates_head_ = shared_info; | 88 shared_function_info_candidates_head_ = shared_info; |
62 } | 89 } |
63 } | 90 } |
64 | 91 |
65 | 92 |
66 void CodeFlusher::AddCandidate(JSFunction* function) { | 93 void CodeFlusher::AddCandidate(JSFunction* function) { |
67 DCHECK(function->code() == function->shared()->code()); | 94 DCHECK(function->code() == function->shared()->code()); |
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138 | 165 |
139 void CodeFlusher::ClearNextCodeMap(SharedFunctionInfo* holder) { | 166 void CodeFlusher::ClearNextCodeMap(SharedFunctionInfo* holder) { |
140 FixedArray* code_map = FixedArray::cast(holder->optimized_code_map()); | 167 FixedArray* code_map = FixedArray::cast(holder->optimized_code_map()); |
141 code_map->set_undefined(SharedFunctionInfo::kNextMapIndex); | 168 code_map->set_undefined(SharedFunctionInfo::kNextMapIndex); |
142 } | 169 } |
143 | 170 |
144 } // namespace internal | 171 } // namespace internal |
145 } // namespace v8 | 172 } // namespace v8 |
146 | 173 |
147 #endif // V8_HEAP_MARK_COMPACT_INL_H_ | 174 #endif // V8_HEAP_MARK_COMPACT_INL_H_ |
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