mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*
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* Copyright (C) 2011-2020 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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#include "config.h"
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#include "LLIntExceptions.h"
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#include "LLIntCommon.h"
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#include "LLIntData.h"
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#include "LLIntThunks.h"
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#if LLINT_TRACING
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#include "CatchScope.h"
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#include "Exception.h"
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#endif
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namespace JSC { namespace LLInt {
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Instruction* returnToThrow(VM& vm)
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{
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UNUSED_PARAM(vm);
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#if LLINT_TRACING
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if (UNLIKELY(Options::traceLLIntSlowPath())) {
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auto scope = DECLARE_CATCH_SCOPE(vm);
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dataLog("Throwing exception ", JSValue(scope.exception()), " (returnToThrow).\n");
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}
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#endif
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return LLInt::exceptionInstructions();
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}
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MacroAssemblerCodeRef<ExceptionHandlerPtrTag> callToThrow(VM& vm)
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{
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UNUSED_PARAM(vm);
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#if LLINT_TRACING
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if (UNLIKELY(Options::traceLLIntSlowPath())) {
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auto scope = DECLARE_CATCH_SCOPE(vm);
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dataLog("Throwing exception ", JSValue(scope.exception()), " (callToThrow).\n");
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}
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#endif
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#if ENABLE(JIT)
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if (Options::useJIT())
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return LLInt::callToThrowThunk();
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#endif
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return LLInt::getCodeRef<ExceptionHandlerPtrTag>(llint_throw_during_call_trampoline);
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}
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MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleUncaughtException(VM&)
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{
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#if ENABLE(JIT)
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if (Options::useJIT())
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return handleUncaughtExceptionThunk();
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#endif
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return LLInt::getCodeRef<ExceptionHandlerPtrTag>(llint_handle_uncaught_exception);
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}
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MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleCatch(OpcodeSize size)
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{
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#if ENABLE(JIT)
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if (Options::useJIT())
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return handleCatchThunk(size);
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#endif
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switch (size) {
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case OpcodeSize::Narrow:
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return LLInt::getCodeRef<ExceptionHandlerPtrTag>(op_catch);
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case OpcodeSize::Wide16:
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return LLInt::getWide16CodeRef<ExceptionHandlerPtrTag>(op_catch);
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case OpcodeSize::Wide32:
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return LLInt::getWide32CodeRef<ExceptionHandlerPtrTag>(op_catch);
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}
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RELEASE_ASSERT_NOT_REACHED();
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return {};
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}
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} } // namespace JSC::LLInt
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