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| // WebAssemblyInstPrinter.h - Print wasm MCInst to assembly syntax -*- C++ -*-//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This class prints an WebAssembly MCInst to wasm file syntax.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/Support/MachineValueType.h"
namespace llvm {
class MCSubtargetInfo;
class WebAssemblyInstPrinter final : public MCInstPrinter {
uint64_t ControlFlowCounter = 0;
uint64_t EHPadStackCounter = 0;
SmallVector<std::pair<uint64_t, bool>, 4> ControlFlowStack;
SmallVector<uint64_t, 4> EHPadStack;
enum EHInstKind { TRY, CATCH, END_TRY };
EHInstKind LastSeenEHInst = END_TRY;
public:
WebAssemblyInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
const MCRegisterInfo &MRI);
void printRegName(raw_ostream &OS, unsigned RegNo) const override;
void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot,
const MCSubtargetInfo &STI) override;
// Used by tblegen code.
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printBrList(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printWebAssemblyP2AlignOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O);
void printWebAssemblySignatureOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O);
// Autogenerated by tblgen.
void printInstruction(const MCInst *MI, raw_ostream &O);
static const char *getRegisterName(unsigned RegNo);
};
namespace WebAssembly {
const char *typeToString(wasm::ValType Ty);
const char *anyTypeToString(unsigned Ty);
std::string typeListToString(ArrayRef<wasm::ValType> List);
std::string signatureToString(const wasm::WasmSignature *Sig);
} // end namespace WebAssembly
} // end namespace llvm
#endif
|