marking-state-inl.h

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// Copyright 2022 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_MARKING_STATE_INL_H_
#define V8_HEAP_MARKING_STATE_INL_H_
 
#include "src/heap/marking-state.h"
// Include the non-inl header before the rest of the headers.
 
#include "src/heap/marking-inl.h"
#include "src/heap/mutable-page-metadata.h"
 
namespace v8 {
namespace internal {
 
template <typename ConcreteState, AccessMode access_mode>
bool MarkingStateBase<ConcreteState, access_mode>::IsMarked(
    const Tagged<HeapObject> obj) const {
  return MarkBit::From(obj).template Get<access_mode>();
}
 
template <typename ConcreteState, AccessMode access_mode>
bool MarkingStateBase<ConcreteState, access_mode>::IsUnmarked(
    const Tagged<HeapObject> obj) const {
  return !IsMarked(obj);
}
 
template <typename ConcreteState, AccessMode access_mode>
bool MarkingStateBase<ConcreteState, access_mode>::TryMark(
    Tagged<HeapObject> obj) {
  return MarkBit::From(obj).template Set<access_mode>();
}
 
template <typename ConcreteState, AccessMode access_mode>
bool MarkingStateBase<ConcreteState, access_mode>::TryMarkAndAccountLiveBytes(
    Tagged<HeapObject> obj) {
  if (TryMark(obj)) {
    MutablePageMetadata::FromHeapObject(obj)->IncrementLiveBytesAtomically(
        ALIGN_TO_ALLOCATION_ALIGNMENT(obj->Size(cage_base())));
    return true;
  }
  return false;
}
 
template <typename ConcreteState, AccessMode access_mode>
bool MarkingStateBase<ConcreteState, access_mode>::TryMarkAndAccountLiveBytes(
    Tagged<HeapObject> obj, int object_size) {
  if (TryMark(obj)) {
    MutablePageMetadata::FromHeapObject(obj)->IncrementLiveBytesAtomically(
        object_size);
    return true;
  }
  return false;
}
 
}  // namespace internal
}  // namespace v8
 
#endif  // V8_HEAP_MARKING_STATE_INL_H_