1 files changed, 51 insertions, 0 deletions
diff --git a/lld/ELF/ARMErrataFix.h b/lld/ELF/ARMErrataFix.h
new file mode 100644
index 00000000000..5a39bcc75cd
--- /dev/null
+++ b/lld/ELF/ARMErrataFix.h
@@ -0,0 +1,51 @@
+//===- ARMErrataFix.h -------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_ELF_ARMA8ERRATAFIX_H
+#define LLD_ELF_ARMA8ERRATAFIX_H
+
+#include "lld/Common/LLVM.h"
+#include "llvm/ADT/DenseMap.h"
+#include <map>
+#include <vector>
+
+namespace lld {
+namespace elf {
+
+class Defined;
+class InputSection;
+struct InputSectionDescription;
+class OutputSection;
+class Patch657417Section;
+
+class ARMErr657417Patcher {
+public:
+  // Return true if Patches have been added to the OutputSections.
+  bool createFixes();
+
+private:
+  std::vector<Patch657417Section *>
+  patchInputSectionDescription(InputSectionDescription &isd);
+
+  void insertPatches(InputSectionDescription &isd,
+                     std::vector<Patch657417Section *> &patches);
+
+  void init();
+
+  // A cache of the mapping symbols defined by the InputSection sorted in order
+  // of ascending value with redundant symbols removed. These describe
+  // the ranges of code and data in an executable InputSection.
+  llvm::DenseMap<InputSection *, std::vector<const Defined *>> sectionMap;
+
+  bool initialized = false;
+};
+
+} // namespace elf
+} // namespace lld
+
+#endif