NullFragment.h revision 87f34658dec9097d987d254a990ea7f311bfc95f 
1//===- NullFragment.h -----------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_FRAGMENT_NULLFRAGMENT_H
10#define MCLD_FRAGMENT_NULLFRAGMENT_H
11#ifdef ENABLE_UNITTEST
12#include <gtest.h>
13#endif
14
15#include <mcld/Fragment/Fragment.h>
16
17namespace mcld {
18
19class SectionData;
20
21/** \class NullFragment
22 *  \brief NullFragment is a kind of MCFragment that presents the "end fragment"
23 *         referenced by some special symbols
24 */
25class NullFragment : public Fragment
26{
27public:
28  NullFragment(SectionData* pSD = NULL);
29
30  /// size -
31  size_t size() const { return 0x0; }
32
33  static bool classof(const Fragment *F)
34  { return F->getKind() == Fragment::Null; }
35
36  static bool classof(const NullFragment *)
37  { return true; }
38};
39
40} // namespace of mcld
41
42#endif
43
44