THMToARMStub.h revision 551ae4ebd3e9d137ea668fb83ae4a55b8cfba451 
1//===- THMToARMStub.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_THMTOARMSTUB_H
11#define TARGET_ARM_THMTOARMSTUB_H
12#ifdef ENABLE_UNITTEST
13#include <gtest.h>
14#endif
15
16#include <llvm/Support/DataTypes.h>
17#include <mcld/Fragment/Stub.h>
18#include <string>
19#include <vector>
20
21namespace mcld
22{
23
24class Relocation;
25class ResolveInfo;
26
27/** \class THMToARMStub
28 *  \brief ARM stub for long call from ARM source to ARM target
29 *
30 */
31class THMToARMStub : public Stub
32{
33public:
34  THMToARMStub(bool pIsOutputPIC);
35
36  ~THMToARMStub();
37
38  // isMyDuty
39  bool isMyDuty(const class Relocation& pReloc,
40                uint64_t pSource,
41                uint64_t pTargetSymValue) const;
42
43  // observers
44  const std::string& name() const;
45
46  const uint8_t* getContent() const;
47
48  size_t size() const;
49
50  size_t alignment() const;
51
52  // for T bit of this stub
53  uint64_t initSymValue() const;
54
55private:
56  THMToARMStub(const THMToARMStub&);
57
58  THMToARMStub& operator=(const THMToARMStub&);
59
60  /// for doClone
61  THMToARMStub(const uint32_t* pData,
62               size_t pSize,
63               const_fixup_iterator pBegin,
64               const_fixup_iterator pEnd);
65
66  /// doClone
67  Stub* doClone();
68
69private:
70  std::string m_Name;
71  static const uint32_t PIC_TEMPLATE[];
72  static const uint32_t TEMPLATE[];
73  const uint32_t* m_pData;
74  size_t m_Size;
75};
76
77} // namespace of mcld
78
79#endif
80