JavaScriptCore-1218.34.tar.gz

[apple/javascriptcore.git] / jit / JITExceptions.h

/*
 * Copyright (C) 2012 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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#ifndef JITExceptions_h
#define JITExceptions_h

#include "JSCJSValue.h"
#include "MacroAssemblerCodeRef.h"

#if ENABLE(JIT) || ENABLE(LLINT)

namespace JSC {

class ExecState;
class VM;

// This header gives other parts of the system access to the JIT's prototocol
// for the throwing and handling exceptions.

struct ExceptionHandler {
    void* catchRoutine;
    ExecState* callFrame;
};

ExceptionHandler genericThrow(VM*, ExecState*, JSValue exceptionValue, unsigned vPCIndex);

ExceptionHandler jitThrow(VM*, ExecState*, JSValue exceptionValue, ReturnAddressPtr faultLocation);

} // namespace JSC

#endif // ENABLE(JIT) || ENABLE(LLINT)

#endif // JITExceptions_h