1//===- Error.cpp - system_error extensions for llvm-readobj -----*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This defines a new error_category for the llvm-readobj tool.
11//
12//===----------------------------------------------------------------------===//
13
14#include "Error.h"
15#include "llvm/Support/ErrorHandling.h"
16
17using namespace llvm;
18
19namespace {
20class _readobj_error_category : public std::error_category {
21public:
22  const char* name() const LLVM_NOEXCEPT override;
23  std::string message(int ev) const override;
24};
25} // namespace
26
27const char *_readobj_error_category::name() const {
28  return "llvm.readobj";
29}
30
31std::string _readobj_error_category::message(int EV) const {
32  switch (static_cast<readobj_error>(EV)) {
33  case readobj_error::success: return "Success";
34  case readobj_error::file_not_found:
35    return "No such file.";
36  case readobj_error::unsupported_file_format:
37    return "The file was not recognized as a valid object file.";
38  case readobj_error::unrecognized_file_format:
39    return "Unrecognized file type.";
40  case readobj_error::unsupported_obj_file_format:
41    return "Unsupported object file format.";
42  case readobj_error::unknown_symbol:
43    return "Unknown symbol.";
44  }
45  llvm_unreachable("An enumerator of readobj_error does not have a message "
46                   "defined.");
47}
48
49namespace llvm {
50const std::error_category &readobj_category() {
51  static _readobj_error_category o;
52  return o;
53}
54} // namespace llvm
55