ObjectReader.h revision 0dea6bc96bb52346737966839ac68644f7939f58
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_LD_OBJECTREADER_H 10#define MCLD_LD_OBJECTREADER_H 11#include "mcld/LD/LDReader.h" 12#include <mcld/ADT/HashTable.h> 13#include <mcld/ADT/StringHash.h> 14#include <mcld/LD/ResolveInfo.h> 15 16namespace mcld { 17 18class Module; 19class Input; 20 21/** \class ObjectReader 22 * \brief ObjectReader provides an common interface for different object 23 * formats. 24 */ 25class ObjectReader : public LDReader 26{ 27protected: 28 typedef HashTable<ResolveInfo, hash::StringHash<hash::DJB> > GroupSignatureMap; 29 30protected: 31 ObjectReader() 32 { } 33 34public: 35 virtual ~ObjectReader() { f_GroupSignatureMap.clear(); } 36 37 virtual bool readHeader(Input& pFile) = 0; 38 39 virtual bool readSymbols(Input& pFile) = 0; 40 41 virtual bool readSections(Input& pFile) = 0; 42 43 /// readRelocations - read relocation sections 44 /// 45 /// This function should be called after symbol resolution. 46 virtual bool readRelocations(Input& pFile) = 0; 47 48 GroupSignatureMap& signatures() 49 { return f_GroupSignatureMap; } 50 51 const GroupSignatureMap& signatures() const 52 { return f_GroupSignatureMap; } 53 54protected: 55 GroupSignatureMap f_GroupSignatureMap; 56 57}; 58 59} // namespace of mcld 60 61#endif 62 63