1 files changed, 56 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/tools/llvm-readobj/Error.cpp b/contrib/llvm-project/llvm/tools/llvm-readobj/Error.cpp
new file mode 100644
index 000000000000..1010f18a58c8
--- /dev/null
+++ b/contrib/llvm-project/llvm/tools/llvm-readobj/Error.cpp
@@ -0,0 +1,56 @@
+//===- Error.cpp - system_error extensions for llvm-readobj -----*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines a new error_category for the llvm-readobj tool.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Error.h"
+#include "llvm/Support/ErrorHandling.h"
+
+using namespace llvm;
+
+namespace {
+// FIXME: This class is only here to support the transition to llvm::Error. It
+// will be removed once this transition is complete. Clients should prefer to
+// deal with the Error value directly, rather than converting to error_code.
+class _readobj_error_category : public std::error_category {
+public:
+  const char* name() const noexcept override;
+  std::string message(int ev) const override;
+};
+} // namespace
+
+const char *_readobj_error_category::name() const noexcept {
+  return "llvm.readobj";
+}
+
+std::string _readobj_error_category::message(int EV) const {
+  switch (static_cast<readobj_error>(EV)) {
+  case readobj_error::success: return "Success";
+  case readobj_error::file_not_found:
+    return "No such file.";
+  case readobj_error::unsupported_file_format:
+    return "The file was not recognized as a valid object file.";
+  case readobj_error::unrecognized_file_format:
+    return "Unrecognized file type.";
+  case readobj_error::unsupported_obj_file_format:
+    return "Unsupported object file format.";
+  case readobj_error::unknown_symbol:
+    return "Unknown symbol.";
+  }
+  llvm_unreachable("An enumerator of readobj_error does not have a message "
+                   "defined.");
+}
+
+namespace llvm {
+const std::error_category &readobj_category() {
+  static _readobj_error_category o;
+  return o;
+}
+} // namespace llvm