1 //===- AArch64CA53Erratum843419Stub.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 TARGET_AARCH64_AARCH64CA53ERRATUM843419STUB_H_
10 #define TARGET_AARCH64_AARCH64CA53ERRATUM843419STUB_H_
11 
12 #include "AArch64CA53ErratumStub.h"
13 
14 #include "mcld/Support/Compiler.h"
15 #include <llvm/Support/DataTypes.h>
16 #include <string>
17 #include <vector>
18 
19 namespace mcld {
20 
21 class FragmentRef;
22 
23 class AArch64CA53Erratum843419Stub : public AArch64CA53ErratumStub {
24  public:
25   static constexpr unsigned ErratumInsnOffset = 8;
26 
27   struct ErratumSequence {
28     unsigned insns[3];
29   };
30 
31  public:
32   static bool isErratum843419Sequence(unsigned insn1,
33                                       unsigned insn2,
34                                       unsigned insn3);
35 
36  public:
37   AArch64CA53Erratum843419Stub();
38 
39   ~AArch64CA53Erratum843419Stub();
40 
41   bool isMyDuty(const FragmentRef& pFragRef) const;
42 
getErratumInsnOffset()43   unsigned getErratumInsnOffset() const {
44     return ErratumInsnOffset;
45   }
46 
getErratumSequenceSize()47   unsigned getErratumSequenceSize() const {
48     return sizeof(ErratumSequence);
49   }
50 
51  private:
52   /// for doClone
53   AArch64CA53Erratum843419Stub(const uint32_t* pData,
54                                size_t pSize,
55                                const char* pName,
56                                const_fixup_iterator pBegin,
57                                const_fixup_iterator pEnd);
58 
59   /// doClone
60   Stub* doClone();
61 
62  private:
63   DISALLOW_COPY_AND_ASSIGN(AArch64CA53Erratum843419Stub);
64 };
65 
66 }  // namespace mcld
67 
68 #endif  // TARGET_AARCH64_AARCH64CA53ERRATUM843419STUB_H_
69