1 //===- MipsGOT.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_MIPS_GOT_H 10 #define MCLD_MIPS_GOT_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 15 #include <mcld/Target/GOT.h> 16 17 namespace mcld 18 { 19 class LDSection; 20 class MemoryRegion; 21 22 /** \class MipsGOT 23 * \brief Mips Global Offset Table. 24 */ 25 class MipsGOT : public GOT 26 { 27 private: 28 typedef llvm::DenseMap<const ResolveInfo*, GOTEntry*> SymbolIndexMapType; 29 30 public: 31 typedef llvm::MCSectionData::iterator iterator; 32 typedef llvm::MCSectionData::const_iterator const_iterator; 33 34 public: 35 MipsGOT(LDSection& pSection, llvm::MCSectionData& pSectionData); 36 37 iterator begin(); 38 iterator end(); 39 40 const_iterator begin() const; 41 const_iterator end() const; 42 43 uint64_t emit(MemoryRegion& pRegion); 44 45 void reserveLocalEntry(); 46 void reserveGlobalEntry(); 47 48 GOTEntry* getEntry(const ResolveInfo& pInfo, bool& pExist); 49 50 size_t getTotalNum() const; 51 size_t getLocalNum() const; 52 53 private: 54 SymbolIndexMapType m_GeneralGOTMap; 55 iterator m_LocalGOTIterator; // last local GOT entries 56 iterator m_GlobalGOTIterator; // last global GOT entries 57 size_t m_pLocalNum; 58 59 private: 60 // Use reserveLocalEntry()/reserveGlobalEntry() instead of this routine. 61 void reserveEntry(size_t pNum = 1); 62 }; 63 64 } // namespace of mcld 65 66 #endif 67
