TargetOptions.h revision d0fbbb227051be16931a1aa9b4a7722ac039c698 
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
19namespace mcld {
20
21/** \class TargetOptions
22 *  \brief TargetOptions collects the options that dependent on a target
23 *  backend.
24 */
25class TargetOptions
26{
27public:
28  enum Endian {
29    Little,
30    Big,
31    Unknown
32  };
33
34public:
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
61private:
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