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
to_string(const Arch & arch)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
arch_from_string(const std::string & name)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