1 //===- WindowsMachineFlag.cpp ---------------------------------------------===//
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 // Functions for implementing the /machine: flag.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "llvm/Object/WindowsMachineFlag.h"
14
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/ADT/StringSwitch.h"
17 #include "llvm/BinaryFormat/COFF.h"
18 #include "llvm/Support/ErrorHandling.h"
19
20 using namespace llvm;
21
22 // Returns /machine's value.
getMachineType(StringRef S)23 COFF::MachineTypes llvm::getMachineType(StringRef S) {
24 // Flags must be a superset of Microsoft lib.exe /machine flags.
25 return StringSwitch<COFF::MachineTypes>(S.lower())
26 .Cases("x64", "amd64", COFF::IMAGE_FILE_MACHINE_AMD64)
27 .Cases("x86", "i386", COFF::IMAGE_FILE_MACHINE_I386)
28 .Case("arm", COFF::IMAGE_FILE_MACHINE_ARMNT)
29 .Case("arm64", COFF::IMAGE_FILE_MACHINE_ARM64)
30 .Case("arm64ec", COFF::IMAGE_FILE_MACHINE_ARM64EC)
31 .Case("arm64x", COFF::IMAGE_FILE_MACHINE_ARM64X)
32 .Case("mips", COFF::IMAGE_FILE_MACHINE_R4000)
33 .Default(COFF::IMAGE_FILE_MACHINE_UNKNOWN);
34 }
35
machineToStr(COFF::MachineTypes MT)36 StringRef llvm::machineToStr(COFF::MachineTypes MT) {
37 switch (MT) {
38 case COFF::IMAGE_FILE_MACHINE_ARMNT:
39 return "arm";
40 case COFF::IMAGE_FILE_MACHINE_ARM64:
41 return "arm64";
42 case COFF::IMAGE_FILE_MACHINE_ARM64EC:
43 return "arm64ec";
44 case COFF::IMAGE_FILE_MACHINE_ARM64X:
45 return "arm64x";
46 case COFF::IMAGE_FILE_MACHINE_AMD64:
47 return "x64";
48 case COFF::IMAGE_FILE_MACHINE_I386:
49 return "x86";
50 default:
51 llvm_unreachable("unknown machine type");
52 }
53 }
54