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1 //===- Error.h - 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 declares a new error_category for the llvm-readobj tool.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_TOOLS_LLVM_READOBJ_ERROR_H
15 #define LLVM_TOOLS_LLVM_READOBJ_ERROR_H
16 
17 #include <system_error>
18 
19 namespace llvm {
20 const std::error_category &readobj_category();
21 
22 enum class readobj_error {
23   success = 0,
24   file_not_found,
25   unsupported_file_format,
26   unrecognized_file_format,
27   unsupported_obj_file_format,
28   unknown_symbol
29 };
30 
make_error_code(readobj_error e)31 inline std::error_code make_error_code(readobj_error e) {
32   return std::error_code(static_cast<int>(e), readobj_category());
33 }
34 
35 } // namespace llvm
36 
37 namespace std {
38 template <> struct is_error_code_enum<llvm::readobj_error> : std::true_type {};
39 }
40 
41 #endif
42