176e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//===- Error.h - system_error extensions for llvm-readobj -------*- C++ -*-===//
276e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//
376e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//                     The LLVM Compiler Infrastructure
476e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//
576e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher// This file is distributed under the University of Illinois Open Source
676e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher// License. See LICENSE.TXT for details.
776e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//
876e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//===----------------------------------------------------------------------===//
976e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//
1076e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher// This declares a new error_category for the llvm-readobj tool.
1176e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//
1276e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher//===----------------------------------------------------------------------===//
1376e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher
1476e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher#ifndef LLVM_READOBJ_ERROR_H
1576e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher#define LLVM_READOBJ_ERROR_H
1676e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher
17cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines#include <system_error>
1876e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher
1976e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christophernamespace llvm {
20cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinesconst std::error_category &readobj_category();
21cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines
22cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinesenum class readobj_error {
23cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  success = 0,
24cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  file_not_found,
25cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  unsupported_file_format,
26cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  unrecognized_file_format,
27cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  unsupported_obj_file_format,
28cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  unknown_symbol
2976e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher};
3076e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher
31cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinesinline std::error_code make_error_code(readobj_error e) {
32cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines  return std::error_code(static_cast<int>(e), readobj_category());
3376e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher}
3476e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher
3576e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher} // namespace llvm
3676e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher
37cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinesnamespace std {
38cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinestemplate <> struct is_error_code_enum<llvm::readobj_error> : std::true_type {};
39cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines}
40cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines
4176e70f340c09ba759ad96d8dfe416b64f24bc287Eric Christopher#endif
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