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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 INCLUDE_CPPGC_INTERNAL_ACCESSORS_H_
#define INCLUDE_CPPGC_INTERNAL_ACCESSORS_H_
#include "cppgc/internal/api-constants.h"
namespace cppgc {
class Heap;
namespace internal {
inline cppgc::Heap* GetHeapFromPayload(const void* payload) {
return *reinterpret_cast<cppgc::Heap**>(
((reinterpret_cast<uintptr_t>(payload) & api_constants::kPageBaseMask) +
api_constants::kGuardPageSize) +
api_constants::kHeapOffset);
}
} // namespace internal
} // namespace cppgc
#endif // INCLUDE_CPPGC_INTERNAL_ACCESSORS_H_
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