1 //===- ELFSegmentFactory.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_ELFSEGMENTFACTORY_H_ 10 #define MCLD_LD_ELFSEGMENTFACTORY_H_ 11 12 #include <llvm/Support/DataTypes.h> 13 #include <llvm/Support/ELF.h> 14 15 #include <vector> 16 17 namespace mcld { 18 19 class ELFSegment; 20 class LDSection; 21 22 /** \class ELFSegmentFactory 23 * \brief provide the interface to create and delete an ELFSegment 24 */ 25 class ELFSegmentFactory { 26 public: 27 typedef std::vector<ELFSegment*> Segments; 28 typedef Segments::const_iterator const_iterator; 29 typedef Segments::iterator iterator; 30 31 const_iterator begin() const { return m_Segments.begin(); } 32 iterator begin() { return m_Segments.begin(); } 33 const_iterator end() const { return m_Segments.end(); } 34 iterator end() { return m_Segments.end(); } 35 36 const ELFSegment* front() const { return m_Segments.front(); } 37 ELFSegment* front() { return m_Segments.front(); } 38 const ELFSegment* back() const { return m_Segments.back(); } 39 ELFSegment* back() { return m_Segments.back(); } 40 41 size_t size() const { return m_Segments.size(); } 42 43 bool empty() const { return m_Segments.empty(); } 44 45 iterator find(uint32_t pType, uint32_t pFlagSet, uint32_t pFlagClear); 46 47 const_iterator find(uint32_t pType, 48 uint32_t pFlagSet, 49 uint32_t pFlagClear) const; 50 51 iterator find(uint32_t pType, const LDSection* pSection); 52 53 const_iterator find(uint32_t pType, const LDSection* pSection) const; 54 55 /// produce - produce an empty ELF segment information. 56 /// this function will create an ELF segment 57 /// @param pType - p_type in ELF program header 58 ELFSegment* produce(uint32_t pType, uint32_t pFlag = llvm::ELF::PF_R); 59 60 ELFSegment* insert(iterator pPosition, 61 uint32_t pType, 62 uint32_t pFlag = llvm::ELF::PF_R); 63 64 void erase(iterator pSegment); 65 66 private: 67 Segments m_Segments; 68 }; 69 70 } // namespace mcld 71 72 #endif // MCLD_LD_ELFSEGMENTFACTORY_H_ 73
