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/*
* Copyright (C) 2025 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <JavaScriptCore/VMTraps.h>
#include <wtf/DoublyLinkedList.h>
namespace JSC {
class VMThreadContext : public DoublyLinkedListNode<VMThreadContext> {
public:
VMThreadContext();
~VMThreadContext();
VMThreadContext* next() const { return m_next; }
VMTraps& traps() { return m_traps; }
const VMTraps& traps() const { return m_traps; }
static constexpr ptrdiff_t offsetOfTraps()
{
return OBJECT_OFFSETOF(VMThreadContext, m_traps);
}
private:
VMTraps m_traps;
VMThreadContext* m_prev; // Required by DoublyLinkedListNode.
VMThreadContext* m_next; // Required by DoublyLinkedListNode.
friend class DoublyLinkedListNode<VMThreadContext>;
friend class LLIntOffsetsExtractor;
};
} // namespace JSC
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