cppheap-pointer.h

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// Copyright 2025 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_SANDBOX_CPPHEAP_POINTER_H_
#define V8_SANDBOX_CPPHEAP_POINTER_H_
 
#include "include/v8-sandbox.h"
#include "src/sandbox/isolate.h"
 
namespace v8::internal {
 
// TODO(saelo): consider passing a CppHeapPointerTagRange as template parameter
// once C++20 is supported everywhere.
template <CppHeapPointerTag lower_bound, CppHeapPointerTag upper_bound>
V8_INLINE Address ReadCppHeapPointerField(Address field_address,
                                          IsolateForPointerCompression isolate);
 
V8_INLINE Address ReadCppHeapPointerField(Address field_address,
                                          IsolateForPointerCompression isolate,
                                          CppHeapPointerTagRange tag_range);
 
template <CppHeapPointerTag tag>
V8_INLINE void WriteLazilyInitializedCppHeapPointerField(
    Address field_address, IsolateForPointerCompression isolate, Address value);
 
V8_INLINE void WriteLazilyInitializedCppHeapPointerField(
    Address field_address, IsolateForPointerCompression isolate, Address value,
    CppHeapPointerTag tag);
 
}  // namespace v8::internal
 
#endif  // V8_SANDBOX_CPPHEAP_POINTER_H_