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 20 namespace mcld { 21 22 class Module; 23 class Input; 24 25 /** \class ObjectReader 26 * \brief ObjectReader provides an common interface for different object 27 * formats. 28 */ 29 class ObjectReader : public LDReader 30 { 31 protected: 32 typedef HashTable<ResolveInfo, hash::StringHash<hash::ELF> > GroupSignatureMap; 33 34 protected: 35 ObjectReader() 36 { } 37 38 public: 39 virtual ~ObjectReader() { f_GroupSignatureMap.clear(); } 40 41 virtual bool readHeader(Input& pFile) = 0; 42 43 virtual bool readSymbols(Input& pFile) = 0; 44 45 virtual bool readSections(Input& pFile) = 0; 46 47 /// readRelocations - read relocation sections 48 /// 49 /// This function should be called after symbol resolution. 50 virtual bool readRelocations(Input& pFile) = 0; 51 52 GroupSignatureMap& signatures() 53 { return f_GroupSignatureMap; } 54 55 const GroupSignatureMap& signatures() const 56 { return f_GroupSignatureMap; } 57 58 protected: 59 GroupSignatureMap f_GroupSignatureMap; 60 61 }; 62 63 } // namespace of mcld 64 65 #endif 66 67
