ARMErrataFix.h revision 360784 
1//===- ARMErrataFix.h -------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLD_ELF_ARMA8ERRATAFIX_H
10#define LLD_ELF_ARMA8ERRATAFIX_H
11
12#include "lld/Common/LLVM.h"
13#include "llvm/ADT/DenseMap.h"
14#include <map>
15#include <vector>
16
17namespace lld {
18namespace elf {
19
20class Defined;
21class InputSection;
22struct InputSectionDescription;
23class OutputSection;
24class Patch657417Section;
25
26class ARMErr657417Patcher {
27public:
28  // Return true if Patches have been added to the OutputSections.
29  bool createFixes();
30
31private:
32  std::vector<Patch657417Section *>
33  patchInputSectionDescription(InputSectionDescription &isd);
34
35  void insertPatches(InputSectionDescription &isd,
36                     std::vector<Patch657417Section *> &patches);
37
38  void init();
39
40  // A cache of the mapping symbols defined by the InputSection sorted in order
41  // of ascending value with redundant symbols removed. These describe
42  // the ranges of code and data in an executable InputSection.
43  llvm::DenseMap<InputSection *, std::vector<const Defined *>> sectionMap;
44
45  bool initialized = false;
46};
47
48} // namespace elf
49} // namespace lld
50
51#endif
52