1 //===- Error.cpp - system_error extensions for Object -----------*- 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 Object library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/Object/Error.h" 15 #include "llvm/Support/ErrorHandling.h" 16 #include "llvm/Support/ManagedStatic.h" 17 18 using namespace llvm; 19 using namespace object; 20 21 namespace { 22 class _object_error_category : public std::error_category { 23 public: 24 const char* name() const LLVM_NOEXCEPT override; 25 std::string message(int ev) const override; 26 }; 27 } 28 name() const29const char *_object_error_category::name() const LLVM_NOEXCEPT { 30 return "llvm.object"; 31 } 32 message(int EV) const33std::string _object_error_category::message(int EV) const { 34 object_error E = static_cast<object_error>(EV); 35 switch (E) { 36 case object_error::success: return "Success"; 37 case object_error::arch_not_found: 38 return "No object file for requested architecture"; 39 case object_error::invalid_file_type: 40 return "The file was not recognized as a valid object file"; 41 case object_error::parse_failed: 42 return "Invalid data was encountered while parsing the file"; 43 case object_error::unexpected_eof: 44 return "The end of the file was unexpectedly encountered"; 45 case object_error::bitcode_section_not_found: 46 return "Bitcode section not found in object file"; 47 } 48 llvm_unreachable("An enumerator of object_error does not have a message " 49 "defined."); 50 } 51 52 static ManagedStatic<_object_error_category> error_category; 53 object_category()54const std::error_category &object::object_category() { 55 return *error_category; 56 } 57