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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_HEAP_INCREMENTAL_MARKING_INL_H_
#define V8_HEAP_INCREMENTAL_MARKING_INL_H_
#include "src/common/globals.h"
#include "src/execution/isolate.h"
#include "src/heap/heap-inl.h"
#include "src/heap/incremental-marking.h"
#include "src/heap/marking-state-inl.h"
#include "src/objects/descriptor-array.h"
namespace v8 {
namespace internal {
void IncrementalMarking::TransferColor(Tagged<HeapObject> from,
Tagged<HeapObject> to) {
if (marking_state()->IsMarked(to)) {
DCHECK(black_allocation());
return;
}
DCHECK(marking_state()->IsUnmarked(to));
if (marking_state()->IsMarked(from)) {
bool success = marking_state()->TryMark(to);
DCHECK(success);
USE(success);
if (!IsDescriptorArray(to) ||
(DescriptorArrayMarkingState::Marked::decode(
DescriptorArray::cast(to)->raw_gc_state(kRelaxedLoad)) != 0)) {
MemoryChunk::FromHeapObject(to)->IncrementLiveBytesAtomically(
ALIGN_TO_ALLOCATION_ALIGNMENT(to->Size()));
}
}
}
} // namespace internal
} // namespace v8
#endif // V8_HEAP_INCREMENTAL_MARKING_INL_H_