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Copy pathLLIntExceptions.cpp
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66 lines (60 loc) · 2.32 KB
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/*
* Copyright (C) 2011-2018 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.
*/
#include "config.h"
#include "LLIntExceptions.h"
#include "CallFrame.h"
#include "CodeBlock.h"
#include "Instruction.h"
#include "LLIntCommon.h"
#include "LLIntData.h"
#include "LowLevelInterpreter.h"
#include "JSCInlines.h"
#if LLINT_TRACING
#include "Exception.h"
#endif
namespace JSC { namespace LLInt {
Instruction* returnToThrow(VM& vm)
{
UNUSED_PARAM(vm);
#if LLINT_TRACING
if (UNLIKELY(Options::traceLLIntSlowPath())) {
auto scope = DECLARE_CATCH_SCOPE(vm);
dataLog("Throwing exception ", JSValue(scope.exception()), " (returnToThrow).\n");
}
#endif
return LLInt::exceptionInstructions();
}
void* callToThrow(VM& vm)
{
UNUSED_PARAM(vm);
#if LLINT_TRACING
if (UNLIKELY(Options::traceLLIntSlowPath())) {
auto scope = DECLARE_CATCH_SCOPE(vm);
dataLog("Throwing exception ", JSValue(scope.exception()), " (callToThrow).\n");
}
#endif
return LLInt::getCodePtr<ExceptionHandlerPtrTag>(llint_throw_during_call_trampoline).executableAddress();
}
} } // namespace JSC::LLInt