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* Copyright (C) 2012 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef CallReturnOffsetToBytecodeOffset_h
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#define CallReturnOffsetToBytecodeOffset_h
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#include <wtf/Platform.h>
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// This structure is used to map from a call return location
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// (given as an offset in bytes into the JIT code) back to
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// the bytecode index of the corresponding bytecode operation.
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// This is then used to look up the corresponding handler.
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// FIXME: This should be made inlining aware! Currently it isn't
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// because we never inline code that has exception handlers.
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struct CallReturnOffsetToBytecodeOffset {
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CallReturnOffsetToBytecodeOffset(unsigned callReturnOffset, unsigned bytecodeOffset)
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: callReturnOffset(callReturnOffset)
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, bytecodeOffset(bytecodeOffset)
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unsigned callReturnOffset;
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unsigned bytecodeOffset;
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inline unsigned getCallReturnOffset(CallReturnOffsetToBytecodeOffset* pc)
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return pc->callReturnOffset;
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#endif // CallReturnOffsetToBytecodeOffset_h