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 17 namespace lld { 18 namespace elf { 19 20 class Defined; 21 class InputSection; 22 struct InputSectionDescription; 23 class OutputSection; 24 class Patch657417Section; 25 26 class ARMErr657417Patcher { 27 public: 28 // Return true if Patches have been added to the OutputSections. 29 bool createFixes(); 30 31 private: 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