blob: 6cec0446c30c0edef809caa87c0e9d12b8f8eb43 [file] [log] [blame]
/*
* Copyright (C) 2015-2019 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
#if ENABLE(JIT)
#include "RegisterMap.h"
#include "ValueRecovery.h"
namespace JSC {
struct OpTailCall;
struct CallFrameShuffleData {
WTF_MAKE_FAST_ALLOCATED;
public:
void shrinkToFit()
{
args.shrinkToFit();
}
static CallFrameShuffleData createForBaselineOrLLIntTailCall(const OpTailCall&, unsigned numParameters);
Vector<ValueRecovery> args;
unsigned numLocals { UINT_MAX };
unsigned numPassedArgs { UINT_MAX };
unsigned numParameters { UINT_MAX }; // On our machine frame.
RegisterMap<ValueRecovery> registers;
#if USE(JSVALUE64)
GPRReg numberTagRegister { InvalidGPRReg };
#endif
void setupCalleeSaveRegisters(const RegisterAtOffsetList*);
ValueRecovery callee;
};
} // namespace JSC
#endif // ENABLE(JIT)