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 #include <vector> 15 16 namespace mcld 17 { 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 { 27 public: 28 typedef std::vector<ELFSegment*> Segments; 29 typedef Segments::const_iterator const_iterator; 30 typedef Segments::iterator iterator; 31 32 const_iterator begin() const { return m_Segments.begin(); } 33 iterator begin() { return m_Segments.begin(); } 34 const_iterator end() const { return m_Segments.end(); } 35 iterator end() { return m_Segments.end(); } 36 37 const ELFSegment* front() const { return m_Segments.front(); } 38 ELFSegment* front() { return m_Segments.front(); } 39 const ELFSegment* back() const { return m_Segments.back(); } 40 ELFSegment* back() { return m_Segments.back(); } 41 42 size_t size() const { return m_Segments.size(); } 43 44 bool empty() const { return m_Segments.empty(); } 45 46 iterator find(uint32_t pType, uint32_t pFlagSet, uint32_t pFlagClear); 47 48 const_iterator 49 find(uint32_t pType, uint32_t pFlagSet, 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 void erase(iterator pSegment); 61 62 private: 63 Segments m_Segments; 64 }; 65 66 } // namespace of mcld 67 68 #endif 69 70
