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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_TARGETOPTIONS_H
10 #define MCLD_TARGETOPTIONS_H
11 
12 #include <llvm/ADT/Triple.h>
13 
14 #include <string>
15 
16 namespace mcld {
17 
18 /** \class TargetOptions
19  *  \brief TargetOptions collects the options that dependent on a target
20  *  backend.
21  */
22 class TargetOptions
23 {
24 public:
25   enum Endian {
26     Little,
27     Big,
28     Unknown
29   };
30 
31 public:
32   TargetOptions();
33 
34   TargetOptions(const std::string& pTriple);
35 
36   ~TargetOptions();
37 
triple()38   const llvm::Triple& triple() const { return m_Triple; }
39 
40   void setTriple(const std::string& pTriple);
41 
42   void setTriple(const llvm::Triple& pTriple);
43 
getArch()44   const std::string& getArch() const { return m_ArchName; }
45 
46   void setArch(const std::string& pArchName);
47 
getTargetCPU()48   const std::string& getTargetCPU() const { return m_TargetCPU; }
49 
50   void setTargetCPU(const std::string& pCPU);
51 
getTargetFeatureString()52   const std::string& getTargetFeatureString() const { return m_TargetFS; }
53 
54   void setTargetFeatureString(const std::string& pFS);
55 
endian()56   Endian endian() const { return m_Endian; }
57 
setEndian(Endian pEndian)58   void setEndian(Endian pEndian) { m_Endian = pEndian; }
59 
isLittleEndian()60   bool isLittleEndian() const { return (Little == m_Endian); }
isBigEndian()61   bool isBigEndian   () const { return (Big    == m_Endian); }
62 
bitclass()63   unsigned int bitclass() const { return m_BitClass; }
64 
setBitClass(unsigned int pBitClass)65   void setBitClass(unsigned int pBitClass) { m_BitClass = pBitClass; }
66 
is32Bits()67   bool is32Bits() const { return (32 == m_BitClass); }
is64Bits()68   bool is64Bits() const { return (64 == m_BitClass); }
69 
70 private:
71   llvm::Triple m_Triple;
72   std::string m_ArchName;
73   std::string m_TargetCPU;
74   std::string m_TargetFS;
75   Endian m_Endian;
76   unsigned int m_BitClass;
77 
78 };
79 
80 } // namespace of mcld
81 
82 #endif
83 
84