1 //===- GOT.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_TARGET_GOT_H_ 10 #define MCLD_TARGET_GOT_H_ 11 12 #include "mcld/Fragment/TargetFragment.h" 13 #include "mcld/LD/LDSection.h" 14 #include "mcld/LD/SectionData.h" 15 16 namespace mcld { 17 18 class GOT; 19 class LDSection; 20 class ResolveInfo; 21 22 /** \class GOT 23 * \brief The Global Offset Table 24 */ 25 class GOT { 26 protected: 27 explicit GOT(LDSection& pSection); 28 29 public: 30 typedef SectionData::iterator iterator; 31 typedef SectionData::const_iterator const_iterator; 32 33 template <size_t SIZE> 34 class Entry : public TargetFragment { 35 public: 36 enum { EntrySize = SIZE }; 37 38 public: 39 Entry(uint64_t pValue, SectionData* pParent) 40 : TargetFragment(Fragment::Target, pParent), f_Value(pValue) {} 41 42 virtual ~Entry() {} 43 44 uint64_t getValue() const { return f_Value; } 45 46 void setValue(uint64_t pValue) { f_Value = pValue; } 47 48 // Override pure virtual function 49 size_t size() const { return EntrySize; } 50 51 protected: 52 uint64_t f_Value; 53 }; 54 55 public: 56 virtual ~GOT(); 57 58 // ----- observers -----// 59 uint64_t addr() const { return m_Section.addr(); } 60 uint64_t size() const { return m_Section.size(); } 61 62 const_iterator begin() const { return m_SectionData->begin(); } 63 iterator begin() { return m_SectionData->begin(); } 64 const_iterator end() const { return m_SectionData->end(); } 65 iterator end() { return m_SectionData->end(); } 66 67 bool empty() const { return m_SectionData->empty(); } 68 69 // finalizeSectionSize - set LDSection size 70 virtual void finalizeSectionSize(); 71 72 protected: 73 LDSection& m_Section; 74 SectionData* m_SectionData; 75 }; 76 77 } // namespace mcld 78 79 #endif // MCLD_TARGET_GOT_H_ 80
