1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "Arch.h" 18 19 #include <err.h> 20 21 #include <string> 22 23 std::string to_string(const Arch& arch) { 24 switch (arch) { 25 case Arch::arm: 26 return "arm"; 27 28 case Arch::arm64: 29 return "arm64"; 30 31 case Arch::mips: 32 return "mips"; 33 34 case Arch::mips64: 35 return "mips64"; 36 37 case Arch::x86: 38 return "x86"; 39 40 case Arch::x86_64: 41 return "x86_64"; 42 } 43 44 errx(1, "unknown arch '%zu'", size_t(arch)); 45 } 46 47 static const std::unordered_map<std::string, Arch> arch_name_map{ 48 {"arm", Arch::arm}, 49 {"arm64", Arch::arm64}, 50 {"mips", Arch::mips}, 51 {"mips64", Arch::mips64}, 52 {"x86", Arch::x86}, 53 {"x86_64", Arch::x86_64}, 54 }; 55 56 std::optional<Arch> arch_from_string(const std::string& name) { 57 auto it = arch_name_map.find(name); 58 if (it == arch_name_map.end()) { 59 return std::nullopt; 60 } 61 return std::make_optional(it->second); 62 } 63