//===- MCSymbolCOFF.h -  ----------------------------------------*- C++ -*-===//

//

//                     The LLVM Compiler Infrastructure

//

// This file is distributed under the University of Illinois Open Source

// License. See LICENSE.TXT for details.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_MC_MCSYMBOLCOFF_H

#define LLVM_MC_MCSYMBOLCOFF_H

#include "llvm/MC/MCSymbol.h"

#include <cstdint>

namespace llvm {

class MCSymbolCOFF : public MCSymbol {

  /// This corresponds to the e_type field of the COFF symbol.

  mutable uint16_t Type = 0;

  enum SymbolFlags : uint16_t {

    SF_ClassMask = 0x00FF,

    SF_ClassShift = 0,

    SF_WeakExternal = 0x0100,

    SF_SafeSEH = 0x0200,

  };

public:

  MCSymbolCOFF(const StringMapEntry<bool> *Name, bool isTemporary)

      : MCSymbol(SymbolKindCOFF, Name, isTemporary) {}

  uint16_t getType() const {

    return Type;

  }

  void setType(uint16_t Ty) const {

    Type = Ty;

  }

  uint16_t getClass() const {

    return (getFlags() & SF_ClassMask) >> SF_ClassShift;

  }

  void setClass(uint16_t StorageClass) const {

    modifyFlags(StorageClass << SF_ClassShift, SF_ClassMask);

  }

  bool isWeakExternal() const {

    return getFlags() & SF_WeakExternal;

  }

  void setIsWeakExternal() const {

    modifyFlags(SF_WeakExternal, SF_WeakExternal);

  }

  bool isSafeSEH() const {

    return getFlags() & SF_SafeSEH;

  }

  void setIsSafeSEH() const {

    modifyFlags(SF_SafeSEH, SF_SafeSEH);

  }

  static bool classof(const MCSymbol *S) { return S->isCOFF(); }

};

} // end namespace llvm

#endif // LLVM_MC_MCSYMBOLCOFF_H