15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- ObjectReader.h -----------------------------------------------------===// 25460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 35460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// The MCLinker Project 45460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 55460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// This file is distributed under the University of Illinois Open Source 65460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// License. See LICENSE.TXT for details. 75460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 85460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 937b74a387bb3993387029859c2d9d051c41c724eStephen Hines#ifndef MCLD_LD_OBJECTREADER_H_ 1037b74a387bb3993387029859c2d9d051c41c724eStephen Hines#define MCLD_LD_OBJECTREADER_H_ 1137b74a387bb3993387029859c2d9d051c41c724eStephen Hines#include "mcld/ADT/HashTable.h" 1237b74a387bb3993387029859c2d9d051c41c724eStephen Hines#include "mcld/ADT/StringHash.h" 135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "mcld/LD/LDReader.h" 1437b74a387bb3993387029859c2d9d051c41c724eStephen Hines#include "mcld/LD/ResolveInfo.h" 155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaonamespace mcld { 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoclass Input; 1937b74a387bb3993387029859c2d9d051c41c724eStephen Hinesclass Module; 205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/** \class ObjectReader 225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * \brief ObjectReader provides an common interface for different object 235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * formats. 245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao */ 2537b74a387bb3993387029859c2d9d051c41c724eStephen Hinesclass ObjectReader : public LDReader { 2637b74a387bb3993387029859c2d9d051c41c724eStephen Hines protected: 2737b74a387bb3993387029859c2d9d051c41c724eStephen Hines typedef HashTable<ResolveInfo, hash::StringHash<hash::DJB> > 2837b74a387bb3993387029859c2d9d051c41c724eStephen Hines GroupSignatureMap; 295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 3037b74a387bb3993387029859c2d9d051c41c724eStephen Hines protected: 3137b74a387bb3993387029859c2d9d051c41c724eStephen Hines ObjectReader() {} 325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 3337b74a387bb3993387029859c2d9d051c41c724eStephen Hines public: 3422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao virtual ~ObjectReader() { f_GroupSignatureMap.clear(); } 355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 3622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao virtual bool readHeader(Input& pFile) = 0; 375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao virtual bool readSymbols(Input& pFile) = 0; 395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao virtual bool readSections(Input& pFile) = 0; 415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// readRelocations - read relocation sections 435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// 445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// This function should be called after symbol resolution. 455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao virtual bool readRelocations(Input& pFile) = 0; 465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 4737b74a387bb3993387029859c2d9d051c41c724eStephen Hines GroupSignatureMap& signatures() { return f_GroupSignatureMap; } 485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 4937b74a387bb3993387029859c2d9d051c41c724eStephen Hines const GroupSignatureMap& signatures() const { return f_GroupSignatureMap; } 505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 5137b74a387bb3993387029859c2d9d051c41c724eStephen Hines protected: 525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao GroupSignatureMap f_GroupSignatureMap; 535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 5537b74a387bb3993387029859c2d9d051c41c724eStephen Hines} // namespace mcld 56affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 5737b74a387bb3993387029859c2d9d051c41c724eStephen Hines#endif // MCLD_LD_OBJECTREADER_H_ 58