chromium/v8/src/sandbox/indirect-pointer-inl.h

// Copyright 2023 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_INDIRECT_POINTER_INL_H_
#define V8_SANDBOX_INDIRECT_POINTER_INL_H_

#include "include/v8-internal.h"
#include "src/base/atomic-utils.h"
#include "src/sandbox/code-pointer-table-inl.h"
#include "src/sandbox/indirect-pointer.h"
#include "src/sandbox/isolate-inl.h"
#include "src/sandbox/trusted-pointer-table-inl.h"

namespace v8 {
namespace internal {

V8_INLINE void InitSelfIndirectPointerField(Address field_address,
                                            IsolateForSandbox isolate,
                                            Tagged<HeapObject> host,
                                            IndirectPointerTag tag) { … }

namespace {
#ifdef V8_ENABLE_SANDBOX
template <IndirectPointerTag tag>
V8_INLINE Tagged<Object> ResolveTrustedPointerHandle(
    IndirectPointerHandle handle, IsolateForSandbox isolate) { … }

V8_INLINE Tagged<Object> ResolveCodePointerHandle(
    IndirectPointerHandle handle) { … }
#endif  // V8_ENABLE_SANDBOX
}  // namespace

template <IndirectPointerTag tag>
V8_INLINE Tagged<Object> ReadIndirectPointerField(Address field_address,
                                                  IsolateForSandbox isolate,
                                                  AcquireLoadTag) { … }

template <IndirectPointerTag tag>
V8_INLINE void WriteIndirectPointerField(Address field_address,
                                         Tagged<ExposedTrustedObject> value,
                                         ReleaseStoreTag) { … }

}  // namespace internal
}  // namespace v8

#endif  // V8_SANDBOX_INDIRECT_POINTER_INL_H_