mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* Copyright (C) 2016-2018 Apple Inc. All rights reserved.
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*
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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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* are met:
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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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*
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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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*/
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#pragma once
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#include "DFGCommon.h"
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#if ENABLE(FTL_JIT)
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#include "CCallHelpers.h"
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#include "FTLOSRExitHandle.h"
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#include <wtf/Box.h>
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#include <wtf/ThreadSafeRefCounted.h>
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namespace JSC { namespace FTL {
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class State;
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class ExceptionTarget : public ThreadSafeRefCounted<ExceptionTarget> {
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public:
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~ExceptionTarget();
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// It's OK to call this during linking, but not any sooner.
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CodeLocationLabel<ExceptionHandlerPtrTag> label(LinkBuffer&);
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// Or, you can get a JumpList at any time. Anything you add to this JumpList will be linked to
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// the target's label.
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Box<CCallHelpers::JumpList> jumps(CCallHelpers&);
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private:
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friend class PatchpointExceptionHandle;
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ExceptionTarget(bool isDefaultHandler, Box<CCallHelpers::Label>, RefPtr<OSRExitHandle>);
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bool m_isDefaultHandler;
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Box<CCallHelpers::Label> m_defaultHandler;
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RefPtr<OSRExitHandle> m_handle;
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};
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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