RISCVMCAsmInfo.h

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//===-- RISCVMCAsmInfo.h - RISC-V Asm Info ---------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the RISCVMCAsmInfo class.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVMCASMINFO_H
#define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVMCASMINFO_H
 
#include "llvm/MC/MCAsmInfoDarwin.h"
#include "llvm/MC/MCAsmInfoELF.h"
#include "llvm/MC/MCFixup.h"
 
namespace llvm {
class Triple;
 
class RISCVMCAsmInfo : public MCAsmInfoELF {
  void anchor() override;
 
public:
  explicit RISCVMCAsmInfo(const Triple &TargetTriple,
                          const MCTargetOptions &Options);
 
  const MCExpr *getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding,
                                    MCStreamer &Streamer) const override;
  void printSpecifierExpr(raw_ostream &OS,
                          const MCSpecifierExpr &Expr) const override;
};
 
namespace RISCV {
using Specifier = uint16_t;
// Specifiers mapping to relocation types below FirstTargetFixupKind are
// encoded literally, with these exceptions:
enum {
  S_None,
  // Specifiers mapping to distinct relocation types.
  S_LO = FirstTargetFixupKind,
  S_PCREL_LO,
  S_PCREL_HI,
  S_TPREL_LO,
  S_CALL_PLT,
  S_GOT_HI,
  // Vendor-specific relocation types might conflict across vendors.
  // Refer to them using Specifier constants.
  S_QC_ABS20,
};
 
Specifier parseSpecifierName(StringRef name);
StringRef getSpecifierName(Specifier Kind);
} // namespace RISCV
 
class RISCVMCAsmInfoDarwin : public MCAsmInfoDarwin {
public:
  explicit RISCVMCAsmInfoDarwin(const MCTargetOptions &Options);
  void printSpecifierExpr(raw_ostream &OS,
                          const MCSpecifierExpr &Expr) const override;
};
 
} // namespace llvm
 
#endif