AArch64CA53Erratum843419Stub.h revision cfcb22478ca64c308df58f9abe6fa2dedb213c16 
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
19namespace mcld {
20
21class FragmentRef;
22
23class 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
43  unsigned getErratumInsnOffset() const {
44    return ErratumInsnOffset;
45  }
46
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