1 //===- Relocator.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_RELOCATOR_H 10 #define MCLD_RELOCATOR_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 15 #include <mcld/Fragment/Relocation.h> 16 17 namespace mcld 18 { 19 20 class FragmentLinker; 21 class TargetLDBackend; 22 23 /** \class Relocator 24 * \brief Relocator provides the interface of performing relocations 25 */ 26 class Relocator 27 { 28 public: 29 typedef Relocation::Type Type; 30 typedef Relocation::Address Address; 31 typedef Relocation::DWord DWord; 32 typedef Relocation::SWord SWord; 33 typedef Relocation::Size Size; 34 35 public: 36 enum Result { 37 OK, 38 BadReloc, 39 Overflow, 40 Unsupport, 41 Unknown 42 }; 43 44 public: 45 virtual ~Relocator() = 0; 46 47 /// apply - general apply function 48 virtual Result applyRelocation(Relocation& pRelocation) = 0; 49 50 // ------ observers -----// 51 virtual TargetLDBackend& getTarget() = 0; 52 53 virtual const TargetLDBackend& getTarget() const = 0; 54 55 /// getName - get the name of a relocation 56 virtual const char* getName(Type pType) const = 0; 57 58 /// getSize - get the size of a relocation in bit 59 virtual Size getSize(Type pType) const = 0; 60 }; 61 62 } // namespace of mcld 63 64 #endif 65 66
