blob: fca774d26954951c4d0e52622985bde28ad9c871 [file] [log] [blame]
/*
* 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.
*/
#pragma once
#include "JSCPtrTag.h"
#include "OpcodeSize.h"
#include <wtf/StdLibExtras.h>
namespace JSC {
class CallFrame;
class VM;
template<PtrTag> class MacroAssemblerCodeRef;
template<typename> struct BaseInstruction;
struct JSOpcodeTraits;
struct WasmOpcodeTraits;
using JSInstruction = BaseInstruction<JSOpcodeTraits>;
using WasmInstruction = BaseInstruction<WasmOpcodeTraits>;
namespace LLInt {
// Gives you a PC that you can tell the interpreter to go to, which when advanced
// between 1 and 9 slots will give you an "instruction" that threads to the
// interpreter's exception handler.
JSInstruction* returnToThrow(VM&);
WasmInstruction* wasmReturnToThrow(VM&);
// Use this when you're throwing to a call thunk.
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> callToThrow(VM&);
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleUncaughtException(VM&);
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleCatch(OpcodeSize);
#if ENABLE(WEBASSEMBLY)
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleWasmCatch(OpcodeSize);
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleWasmCatchAll(OpcodeSize);
#endif // ENABLE(WEBASSEMBLY)
} } // namespace JSC::LLInt