| /* |
| * Copyright (C) 2014 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. ``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 |
| * 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. |
| */ |
| |
| #ifndef VMEntryRecord_h |
| #define VMEntryRecord_h |
| |
| namespace JSC { |
| |
| typedef void VMEntryFrame; |
| |
| class ExecState; |
| class VM; |
| |
| struct VMEntryRecord { |
| /* |
| * This record stored in a vmEntryTo{JavaScript,Host} allocated frame. It is allocated on the stack |
| * after callee save registers where local variables would go. |
| */ |
| VM* m_vm; |
| ExecState* m_prevTopCallFrame; |
| VMEntryFrame* m_prevTopVMEntryFrame; |
| |
| ExecState* prevTopCallFrame() { return m_prevTopCallFrame; } |
| |
| VMEntryFrame* prevTopVMEntryFrame() { return m_prevTopVMEntryFrame; } |
| }; |
| |
| extern "C" VMEntryRecord* vmEntryRecord(VMEntryFrame*); |
| |
| } // namespace JSC |
| |
| #endif // VMEntryRecord_h |