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Issue 2176133002: Revert of [heap] Remove black pages and use black areas instead. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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 #include "src/heap/scavenger.h" 5 #include "src/heap/scavenger.h"
6 6
7 #include "src/contexts.h" 7 #include "src/contexts.h"
8 #include "src/heap/heap.h" 8 #include "src/heap/heap.h"
9 #include "src/heap/objects-visiting-inl.h" 9 #include "src/heap/objects-visiting-inl.h"
10 #include "src/heap/scavenger-inl.h" 10 #include "src/heap/scavenger-inl.h"
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131 // Set the forwarding address. 131 // Set the forwarding address.
132 source->set_map_word(MapWord::FromForwardingAddress(target)); 132 source->set_map_word(MapWord::FromForwardingAddress(target));
133 133
134 if (logging_and_profiling_mode == LOGGING_AND_PROFILING_ENABLED) { 134 if (logging_and_profiling_mode == LOGGING_AND_PROFILING_ENABLED) {
135 // Update NewSpace stats if necessary. 135 // Update NewSpace stats if necessary.
136 RecordCopiedObject(heap, target); 136 RecordCopiedObject(heap, target);
137 heap->OnMoveEvent(target, source, size); 137 heap->OnMoveEvent(target, source, size);
138 } 138 }
139 139
140 if (marks_handling == TRANSFER_MARKS) { 140 if (marks_handling == TRANSFER_MARKS) {
141 if (IncrementalMarking::TransferColor(source, target, size)) { 141 if (IncrementalMarking::TransferColor(source, target)) {
142 MemoryChunk::IncrementLiveBytesFromGC(target, size); 142 MemoryChunk::IncrementLiveBytesFromGC(target, size);
143 } 143 }
144 } 144 }
145 } 145 }
146 146
147 template <AllocationAlignment alignment> 147 template <AllocationAlignment alignment>
148 static inline bool SemiSpaceCopyObject(Map* map, HeapObject** slot, 148 static inline bool SemiSpaceCopyObject(Map* map, HeapObject** slot,
149 HeapObject* object, int object_size) { 149 HeapObject* object, int object_size) {
150 Heap* heap = map->GetHeap(); 150 Heap* heap = map->GetHeap();
151 151
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444 void ScavengeVisitor::ScavengePointer(Object** p) { 444 void ScavengeVisitor::ScavengePointer(Object** p) {
445 Object* object = *p; 445 Object* object = *p;
446 if (!heap_->InNewSpace(object)) return; 446 if (!heap_->InNewSpace(object)) return;
447 447
448 Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p), 448 Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p),
449 reinterpret_cast<HeapObject*>(object)); 449 reinterpret_cast<HeapObject*>(object));
450 } 450 }
451 451
452 } // namespace internal 452 } // namespace internal
453 } // namespace v8 453 } // namespace v8
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