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// Copyright 2020 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_MEMORY_CHUNK_INL_H_
#define V8_HEAP_MEMORY_CHUNK_INL_H_
#include "src/heap/memory-chunk.h"
#include "src/heap/spaces-inl.h"
namespace v8 {
namespace internal {
void MemoryChunk::IncrementExternalBackingStoreBytes(
ExternalBackingStoreType type, size_t amount) {
#ifndef V8_ENABLE_THIRD_PARTY_HEAP
base::CheckedIncrement(&external_backing_store_bytes_[type], amount);
owner()->IncrementExternalBackingStoreBytes(type, amount);
#endif
}
void MemoryChunk::DecrementExternalBackingStoreBytes(
ExternalBackingStoreType type, size_t amount) {
#ifndef V8_ENABLE_THIRD_PARTY_HEAP
base::CheckedDecrement(&external_backing_store_bytes_[type], amount);
owner()->DecrementExternalBackingStoreBytes(type, amount);
#endif
}
void MemoryChunk::MoveExternalBackingStoreBytes(ExternalBackingStoreType type,
MemoryChunk* from,
MemoryChunk* to,
size_t amount) {
DCHECK_NOT_NULL(from->owner());
DCHECK_NOT_NULL(to->owner());
base::CheckedDecrement(&(from->external_backing_store_bytes_[type]), amount);
base::CheckedIncrement(&(to->external_backing_store_bytes_[type]), amount);
Space::MoveExternalBackingStoreBytes(type, from->owner(), to->owner(),
amount);
}
AllocationSpace MemoryChunk::owner_identity() const {
if (InReadOnlySpace()) return RO_SPACE;
return owner()->identity();
}
} // namespace internal
} // namespace v8
#endif // V8_HEAP_MEMORY_CHUNK_INL_H_
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