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// Copyright 2018 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_HEAP_WRITE_BARRIER_H_
#define V8_HEAP_HEAP_WRITE_BARRIER_H_
#include "include/v8-internal.h"
#include "src/common/globals.h"
namespace v8 {
namespace internal {
class Code;
class FixedArray;
class Heap;
class RelocInfo;
class EphemeronHashTable;
// Note: In general it is preferred to use the macros defined in
// object-macros.h.
// Combined write barriers.
void WriteBarrierForCode(Code host, RelocInfo* rinfo, Object value);
void WriteBarrierForCode(Code host);
// Generational write barrier.
void GenerationalBarrier(HeapObject object, ObjectSlot slot, Object value);
void GenerationalBarrier(HeapObject object, MaybeObjectSlot slot,
MaybeObject value);
void GenerationalEphemeronKeyBarrier(EphemeronHashTable table, ObjectSlot slot,
Object value);
void GenerationalBarrierForCode(Code host, RelocInfo* rinfo, HeapObject object);
// Marking write barrier.
void MarkingBarrier(HeapObject object, ObjectSlot slot, Object value);
void MarkingBarrier(HeapObject object, MaybeObjectSlot slot, MaybeObject value);
void MarkingBarrierForCode(Code host, RelocInfo* rinfo, HeapObject object);
void MarkingBarrierForDescriptorArray(Heap* heap, HeapObject host,
HeapObject descriptor_array,
int number_of_own_descriptors);
inline bool IsReadOnlyHeapObject(HeapObject object);
} // namespace internal
} // namespace v8
#endif // V8_HEAP_HEAP_WRITE_BARRIER_H_