1 //===- ObjectReader.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_OBJECT_READER_H 10 #define MCLD_OBJECT_READER_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 #include "mcld/LD/LDReader.h" 15 #include <llvm/Support/system_error.h> 16 #include <mcld/ADT/HashTable.h> 17 #include <mcld/ADT/StringHash.h> 18 #include <mcld/LD/ResolveInfo.h> 19 #include <mcld/LD/ResolveInfoFactory.h> 20 21 namespace mcld 22 { 23 24 class Input; 25 26 /** \class ObjectReader 27 * \brief ObjectReader provides an common interface for different object 28 * formats. 29 */ 30 class ObjectReader : public LDReader 31 { 32 protected: 33 typedef HashTable<ResolveInfo, 34 StringHash<ELF>, 35 ResolveInfoFactory> GroupSignatureMap; 36 37 protected: 38 ObjectReader() 39 { } 40 41 public: 42 virtual ~ObjectReader() { } 43 44 virtual bool readObject(Input& pFile) = 0; 45 46 virtual bool readSymbols(Input& pFile) = 0; 47 48 virtual bool readSections(Input& pFile) = 0; 49 50 /// readRelocations - read relocation sections 51 /// 52 /// This function should be called after symbol resolution. 53 virtual bool readRelocations(Input& pFile) = 0; 54 55 GroupSignatureMap& signatures() 56 { return f_GroupSignatureMap; } 57 58 const GroupSignatureMap& signatures() const 59 { return f_GroupSignatureMap; } 60 61 protected: 62 GroupSignatureMap f_GroupSignatureMap; 63 64 }; 65 66 } // namespace of mcld 67 68 #endif 69
