1//===- AArch64ErrataFix.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_AARCH64ERRATAFIX_H
10#define LLD_ELF_AARCH64ERRATAFIX_H
11
12#include "lld/Common/LLVM.h"
13#include "llvm/ADT/DenseMap.h"
14#include <vector>
15
16namespace lld::elf {
17struct Ctx;
18class Defined;
19class InputSection;
20class InputSectionDescription;
21class Patch843419Section;
22
23class AArch64Err843419Patcher {
24public:
25 AArch64Err843419Patcher(Ctx &ctx) : ctx(ctx) {}
26 // return true if Patches have been added to the OutputSections.
27 bool createFixes();
28
29private:
30 std::vector<Patch843419Section *>
31 patchInputSectionDescription(InputSectionDescription &isd);
32
33 void insertPatches(InputSectionDescription &isd,
34 std::vector<Patch843419Section *> &patches);
35
36 void init();
37
38 Ctx &ctx;
39 // A cache of the mapping symbols defined by the InputSection sorted in order
40 // of ascending value with redundant symbols removed. These describe
41 // the ranges of code and data in an executable InputSection.
42 llvm::DenseMap<InputSection *, std::vector<const Defined *>> sectionMap;
43
44 bool initialized = false;
45};
46
47} // namespace lld::elf
48
49#endif
50