1 //===- Error.h - system_error extensions for llvm-readobj -------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This declares a new error_category for the llvm-readobj tool.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TOOLS_LLVM_READOBJ_ERROR_H
14 #define LLVM_TOOLS_LLVM_READOBJ_ERROR_H
15 
16 #include <system_error>
17 
18 namespace llvm {
19 const std::error_category &readobj_category();
20 
21 enum class readobj_error {
22   success = 0,
23   file_not_found,
24   unsupported_file_format,
25   unrecognized_file_format,
26   unsupported_obj_file_format,
27   unknown_symbol
28 };
29 
make_error_code(readobj_error e)30 inline std::error_code make_error_code(readobj_error e) {
31   return std::error_code(static_cast<int>(e), readobj_category());
32 }
33 
34 } // namespace llvm
35 
36 namespace std {
37 template <> struct is_error_code_enum<llvm::readobj_error> : std::true_type {};
38 }
39 
40 #endif
41