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_ 39