/*
* Copyright (C) 2013 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 "FTLThunks.h"
#if ENABLE(FTL_JIT)
#include "DFGGPRInfo.h"
#include "DFGFPRInfo.h"
#include "FTLOSRExitCompiler.h"
#include "LinkBuffer.h"
#include "MacroAssembler.h"
namespace JSC { namespace FTL {
using namespace DFG;
MacroAssemblerCodeRef osrExitGenerationThunkGenerator(VM* vm)
{
MacroAssembler jit;
// Pretend that we're a C call frame.
jit.push(MacroAssembler::framePointerRegister);
jit.move(MacroAssembler::stackPointerRegister, MacroAssembler::framePointerRegister);
jit.push(GPRInfo::regT0);
jit.push(GPRInfo::regT0);
size_t scratchSize = sizeof(EncodedJSValue) * (GPRInfo::numberOfArgumentRegisters + FPRInfo::numberOfArgumentRegisters);
ScratchBuffer* scratchBuffer = vm->scratchBufferForSize(scratchSize);
EncodedJSValue* buffer = static_cast