1 //===- Relocation.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_LD_RELOCATION_FACTORY_H 10 #define MCLD_LD_RELOCATION_FACTORY_H 11 #include <mcld/Config/Config.h> 12 #include <mcld/Support/GCFactory.h> 13 #include <mcld/Fragment/Relocation.h> 14 15 namespace mcld { 16 17 class FragmentRef; 18 class LinkerConfig; 19 20 /** \class RelocationFactory 21 * \brief RelocationFactory provides the interface for generating target 22 * relocation 23 * 24 */ 25 class RelocationFactory : public GCFactory<Relocation, MCLD_RELOCATIONS_PER_INPUT> 26 { 27 public: 28 typedef Relocation::Type Type; 29 typedef Relocation::Address Address; 30 typedef Relocation::DWord DWord; 31 typedef Relocation::SWord SWord; 32 33 public: 34 explicit RelocationFactory(); 35 36 void setConfig(const LinkerConfig& pConfig); 37 38 // ----- production ----- // 39 /// produce - produce a relocation entry 40 /// @param pType - the type of the relocation entry 41 /// @param pFragRef - the place to apply the relocation 42 /// @param pAddend - the addend of the relocation entry 43 Relocation* produce(Type pType, 44 FragmentRef& pFragRef, 45 Address pAddend = 0); 46 47 /// produceEmptyEntry - produce an empty relocation which 48 /// occupied memory space but all contents set to zero. 49 Relocation* produceEmptyEntry(); 50 51 void destroy(Relocation* pRelocation); 52 53 private: 54 const LinkerConfig* m_pConfig; 55 }; 56 57 } // namespace of mcld 58 59 #endif 60 61
