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Diffstat (limited to 'deps/v8/src/common/external-pointer-inl.h')
-rw-r--r-- | deps/v8/src/common/external-pointer-inl.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/deps/v8/src/common/external-pointer-inl.h b/deps/v8/src/common/external-pointer-inl.h new file mode 100644 index 00000000000..32a78002e15 --- /dev/null +++ b/deps/v8/src/common/external-pointer-inl.h @@ -0,0 +1,32 @@ +// 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_COMMON_EXTERNAL_POINTER_INL_H_ +#define V8_COMMON_EXTERNAL_POINTER_INL_H_ + +#include "include/v8-internal.h" +#include "src/common/external-pointer.h" +#include "src/execution/isolate.h" + +namespace v8 { +namespace internal { + +V8_INLINE ExternalPointer_t EncodeExternalPointer(Isolate* isolate, + Address external_pointer) { + STATIC_ASSERT(kExternalPointerSize == kSystemPointerSize); + if (!V8_HEAP_SANDBOX_BOOL) return external_pointer; + return external_pointer ^ kExternalPointerSalt; +} + +V8_INLINE Address DecodeExternalPointer(const Isolate* isolate, + ExternalPointer_t encoded_pointer) { + STATIC_ASSERT(kExternalPointerSize == kSystemPointerSize); + if (!V8_HEAP_SANDBOX_BOOL) return encoded_pointer; + return encoded_pointer ^ kExternalPointerSalt; +} + +} // namespace internal +} // namespace v8 + +#endif // V8_COMMON_EXTERNAL_POINTER_INL_H_ |