include/mcld/Fragment/NullFragment.h

//===- NullFragment.h -----------------------------------------------------===//
//
//                     The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MCLD_FRAGMENT_NULLFRAGMENT_H_
#define MCLD_FRAGMENT_NULLFRAGMENT_H_

#include "mcld/Fragment/Fragment.h"

namespace mcld {

class SectionData;

/** \class NullFragment
 *  \brief NullFragment is a kind of MCFragment that presents the "end fragment"
 *         referenced by some special symbols
 */
class NullFragment : public Fragment {
 public:
  explicit NullFragment(SectionData* pSD = NULL);

  /// size -
  size_t size() const { return 0x0; }

  static bool classof(const Fragment* F) {
    return F->getKind() == Fragment::Null;
  }

  static bool classof(const NullFragment*) { return true; }
};

}  // namespace mcld

#endif  // MCLD_FRAGMENT_NULLFRAGMENT_H_