lld/ELF/AArch64ErrataFix.h

   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
  16 namespace lld {
  17 namespace elf {
  18
  19 class Defined;
  20 class InputSection;
  21 class InputSectionDescription;
  22 class Patch843419Section;
  23
  24 class AArch64Err843419Patcher {
  25 public:
  26   // return true if Patches have been added to the OutputSections.
  27   bool createFixes();
  28
  29 private:
  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   // A cache of the mapping symbols defined by the InputSection sorted in order
  39   // of ascending value with redundant symbols removed. These describe
  40   // the ranges of code and data in an executable InputSection.
  41   llvm::DenseMap<InputSection *, std::vector<const Defined *>> sectionMap;
  42
  43   bool initialized = false;
  44 };
  45
  46 } // namespace elf
  47 } // namespace lld
  48
  49 #endif