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 21namespace mcld 22{ 23 24class Input; 25 26/** \class ObjectReader 27 * \brief ObjectReader provides an common interface for different object 28 * formats. 29 */ 30class ObjectReader : public LDReader 31{ 32protected: 33 typedef HashTable<ResolveInfo, 34 StringHash<ELF>, 35 ResolveInfoFactory> GroupSignatureMap; 36 37protected: 38 ObjectReader() 39 { } 40 41public: 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 61protected: 62 GroupSignatureMap f_GroupSignatureMap; 63 64}; 65 66} // namespace of mcld 67 68#endif 69 70