1 //===- TargetOptions.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_OPTIONS_H 10 #define MCLD_TARGET_OPTIONS_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 15 #include <llvm/ADT/Triple.h> 16 17 #include <string> 18 19 namespace mcld { 20 21 /** \class TargetOptions 22 * \brief TargetOptions collects the options that dependent on a target 23 * backend. 24 */ 25 class TargetOptions 26 { 27 public: 28 enum Endian { 29 Little, 30 Big, 31 Unknown 32 }; 33 34 public: 35 TargetOptions(); 36 37 TargetOptions(const std::string& pTriple); 38 39 ~TargetOptions(); 40 41 const llvm::Triple& triple() const { return m_Triple; } 42 43 void setTriple(const std::string& pTriple); 44 45 void setTriple(const llvm::Triple& pTriple); 46 47 Endian endian() const { return m_Endian; } 48 49 void setEndian(Endian pEndian) { m_Endian = pEndian; } 50 51 bool isLittleEndian() const { return (Little == m_Endian); } 52 bool isBigEndian () const { return (Big == m_Endian); } 53 54 unsigned int bitclass() const { return m_BitClass; } 55 56 void setBitClass(unsigned int pBitClass) { m_BitClass = pBitClass; } 57 58 bool is32Bits() const { return (32 == m_BitClass); } 59 bool is64Bits() const { return (64 == m_BitClass); } 60 61 private: 62 llvm::Triple m_Triple; 63 Endian m_Endian; 64 unsigned int m_BitClass; 65 66 }; 67 68 } // namespace of mcld 69 70 #endif 71 72
