NullFragment.h revision 37b74a387bb3993387029859c2d9d051c41c724e
122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//===- NullFragment.h -----------------------------------------------------===//
222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//
322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//                     The MCLinker Project
422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//
522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao// This file is distributed under the University of Illinois Open Source
622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao// License. See LICENSE.TXT for details.
722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//
822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//===----------------------------------------------------------------------===//
937b74a387bb3993387029859c2d9d051c41c724eStephen Hines#ifndef MCLD_FRAGMENT_NULLFRAGMENT_H_
1037b74a387bb3993387029859c2d9d051c41c724eStephen Hines#define MCLD_FRAGMENT_NULLFRAGMENT_H_
1122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
1237b74a387bb3993387029859c2d9d051c41c724eStephen Hines#include "mcld/Fragment/Fragment.h"
1322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
1422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaonamespace mcld {
1522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
1622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaoclass SectionData;
1722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
1822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao/** \class NullFragment
1922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao *  \brief NullFragment is a kind of MCFragment that presents the "end fragment"
2022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao *         referenced by some special symbols
2122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao */
2237b74a387bb3993387029859c2d9d051c41c724eStephen Hinesclass NullFragment : public Fragment {
2337b74a387bb3993387029859c2d9d051c41c724eStephen Hines public:
2437b74a387bb3993387029859c2d9d051c41c724eStephen Hines  explicit NullFragment(SectionData* pSD = NULL);
2522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
2622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao  /// size -
2722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao  size_t size() const { return 0x0; }
2822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
2937b74a387bb3993387029859c2d9d051c41c724eStephen Hines  static bool classof(const Fragment* F) {
3037b74a387bb3993387029859c2d9d051c41c724eStephen Hines    return F->getKind() == Fragment::Null;
3137b74a387bb3993387029859c2d9d051c41c724eStephen Hines  }
3222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
3337b74a387bb3993387029859c2d9d051c41c724eStephen Hines  static bool classof(const NullFragment*) { return true; }
3422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao};
3522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
3637b74a387bb3993387029859c2d9d051c41c724eStephen Hines}  // namespace mcld
3722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao
3837b74a387bb3993387029859c2d9d051c41c724eStephen Hines#endif  // MCLD_FRAGMENT_NULLFRAGMENT_H_
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