1 //===- THMToTHMStub.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 10 #ifndef TARGET_ARM_THMTOTHMSTUB_H 11 #define TARGET_ARM_THMTOTHMSTUB_H 12 13 #include <llvm/Support/DataTypes.h> 14 #include <mcld/Fragment/Stub.h> 15 #include <string> 16 17 namespace mcld 18 { 19 20 class Relocation; 21 class ResolveInfo; 22 23 /** \class THMToTHMStub 24 * \brief ARM stub for long call from ARM source to ARM target 25 * 26 */ 27 class THMToTHMStub : public Stub 28 { 29 public: 30 THMToTHMStub(bool pIsOutputPIC, bool pUsingThumb2); 31 32 ~THMToTHMStub(); 33 34 // isMyDuty 35 bool isMyDuty(const class Relocation& pReloc, 36 uint64_t pSource, 37 uint64_t pTargetSymValue) const; 38 39 // observers 40 const std::string& name() const; 41 42 const uint8_t* getContent() const; 43 44 size_t size() const; 45 46 size_t alignment() const; 47 48 // for T bit of this stub 49 uint64_t initSymValue() const; 50 51 private: 52 THMToTHMStub(const THMToTHMStub&); 53 54 THMToTHMStub& operator=(const THMToTHMStub&); 55 56 /// for doClone 57 THMToTHMStub(const uint32_t* pData, 58 size_t pSize, 59 const_fixup_iterator pBegin, 60 const_fixup_iterator pEnd, 61 bool pUsingThumb2); 62 63 /// doClone 64 Stub* doClone(); 65 66 private: 67 static const uint32_t PIC_TEMPLATE[]; 68 static const uint32_t TEMPLATE[]; 69 const uint32_t* m_pData; 70 std::string m_Name; 71 size_t m_Size; 72 bool m_bUsingThumb2; 73 }; 74 75 } // namespace of mcld 76 77 #endif 78