1 //===- WindowsMachineFlag.h -------------------------------------*- C++ -*-===//
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 #ifndef LLVM_OBJECT_WINDOWSMACHINEFLAG_H
14 #define LLVM_OBJECT_WINDOWSMACHINEFLAG_H
15 
16 #include "llvm/BinaryFormat/COFF.h"
17 #include "llvm/TargetParser/Triple.h"
18 
19 namespace llvm {
20 
21 class StringRef;
22 namespace COFF {
23 enum MachineTypes : unsigned;
24 }
25 
26 // Returns a user-readable string for ARMNT, ARM64, AMD64, I386.
27 // Other MachineTypes values must not be passed in.
28 StringRef machineToStr(COFF::MachineTypes MT);
29 
30 // Maps /machine: arguments to a MachineTypes value.
31 // Only returns ARMNT, ARM64, AMD64, I386, or IMAGE_FILE_MACHINE_UNKNOWN.
32 COFF::MachineTypes getMachineType(StringRef S);
33 
getMachineArchType(T machine)34 template <typename T> Triple::ArchType getMachineArchType(T machine) {
35   switch (machine) {
36   case COFF::IMAGE_FILE_MACHINE_I386:
37     return llvm::Triple::ArchType::x86;
38   case COFF::IMAGE_FILE_MACHINE_AMD64:
39     return llvm::Triple::ArchType::x86_64;
40   case COFF::IMAGE_FILE_MACHINE_ARMNT:
41     return llvm::Triple::ArchType::thumb;
42   case COFF::IMAGE_FILE_MACHINE_ARM64:
43   case COFF::IMAGE_FILE_MACHINE_ARM64EC:
44   case COFF::IMAGE_FILE_MACHINE_ARM64X:
45     return llvm::Triple::ArchType::aarch64;
46   default:
47     return llvm::Triple::ArchType::UnknownArch;
48   }
49 }
50 
51 } // namespace llvm
52 
53 #endif
54