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 <vector>
15
16namespace lld::elf {
17
18class Defined;
19class InputSection;
20class InputSectionDescription;
21class Patch657417Section;
22
23class ARMErr657417Patcher {
24public:
25  // Return true if Patches have been added to the OutputSections.
26  bool createFixes();
27
28private:
29  std::vector<Patch657417Section *>
30  patchInputSectionDescription(InputSectionDescription &isd);
31
32  void insertPatches(InputSectionDescription &isd,
33                     std::vector<Patch657417Section *> &patches);
34
35  void init();
36
37  // A cache of the mapping symbols defined by the InputSection sorted in order
38  // of ascending value with redundant symbols removed. These describe
39  // the ranges of code and data in an executable InputSection.
40  llvm::DenseMap<InputSection *, std::vector<const Defined *>> sectionMap;
41
42  bool initialized = false;
43};
44
45} // namespace lld::elf
46
47#endif
48