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