1 //===- Error.cpp - system_error extensions for llvm-readobj -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This defines a new error_category for the llvm-readobj tool.
12 //===----------------------------------------------------------------------===//
15 #include "llvm/Support/ErrorHandling.h"
20 class _readobj_error_category : public _do_message {
22 virtual const char* name() const;
23 virtual std::string message(int ev) const;
24 virtual error_condition default_error_condition(int ev) const;
28 const char *_readobj_error_category::name() const {
29 return "llvm.readobj";
32 std::string _readobj_error_category::message(int ev) const {
34 case readobj_error::success: return "Success";
35 case readobj_error::file_not_found:
36 return "No such file.";
37 case readobj_error::unsupported_file_format:
38 return "The file was not recognized as a valid object file.";
39 case readobj_error::unrecognized_file_format:
40 return "Unrecognized file type.";
41 case readobj_error::unsupported_obj_file_format:
42 return "Unsupported object file format.";
43 case readobj_error::unknown_symbol:
44 return "Unknown symbol.";
46 llvm_unreachable("An enumerator of readobj_error does not have a message "
51 error_condition _readobj_error_category::default_error_condition(int ev) const {
52 if (ev == readobj_error::success)
54 return errc::invalid_argument;
58 const error_category &readobj_category() {
59 static _readobj_error_category o;