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1// WebAssemblyInstPrinter.h - Print wasm MCInst to assembly syntax -*- C++ -*-//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8///9/// \file10/// This class prints an WebAssembly MCInst to wasm file syntax.11///12//===----------------------------------------------------------------------===//13 14#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H15#define LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H16 17#include "llvm/ADT/SmallVector.h"18#include "llvm/BinaryFormat/Wasm.h"19#include "llvm/CodeGenTypes/MachineValueType.h"20#include "llvm/MC/MCInstPrinter.h"21 22namespace llvm {23 24class MCSubtargetInfo;25 26class WebAssemblyInstPrinter final : public MCInstPrinter {27 uint64_t ControlFlowCounter = 0;28 SmallVector<std::pair<uint64_t, bool>, 4> ControlFlowStack;29 SmallVector<uint64_t, 4> TryStack;30 31 enum EHInstKind { TRY, CATCH_LEGACY, CATCH_ALL_LEGACY };32 SmallVector<EHInstKind, 4> EHInstStack;33 34public:35 WebAssemblyInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,36 const MCRegisterInfo &MRI);37 38 void printRegName(raw_ostream &OS, MCRegister Reg) override;39 void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,40 const MCSubtargetInfo &STI, raw_ostream &OS) override;41 42 // Used by tblegen code.43 void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,44 bool IsVariadicDef = false);45 void printBrList(const MCInst *MI, unsigned OpNo, raw_ostream &O);46 void printWebAssemblyP2AlignOperand(const MCInst *MI, unsigned OpNo,47 raw_ostream &O);48 void printWebAssemblySignatureOperand(const MCInst *MI, unsigned OpNo,49 raw_ostream &O);50 void printCatchList(const MCInst *MI, unsigned OpNo, raw_ostream &O);51 52 // Autogenerated by tblgen.53 std::pair<const char *, uint64_t>54 getMnemonic(const MCInst &MI) const override;55 void printInstruction(const MCInst *MI, uint64_t Address, raw_ostream &O);56 static const char *getRegisterName(MCRegister Reg);57};58 59} // end namespace llvm60 61#endif62