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 12#include "mcld/Fragment/Fragment.h" 13 14namespace mcld { 15 16class SectionData; 17 18/** \class NullFragment 19 * \brief NullFragment is a kind of MCFragment that presents the "end fragment" 20 * referenced by some special symbols 21 */ 22class NullFragment : public Fragment { 23 public: 24 explicit NullFragment(SectionData* pSD = NULL); 25 26 /// size - 27 size_t size() const { return 0x0; } 28 29 static bool classof(const Fragment* F) { 30 return F->getKind() == Fragment::Null; 31 } 32 33 static bool classof(const NullFragment*) { return true; } 34}; 35 36} // namespace mcld 37 38#endif // MCLD_FRAGMENT_NULLFRAGMENT_H_ 39