llvm/Object/WindowsMachineFlag.h

0001 //===- WindowsMachineFlag.h -------------------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // Functions for implementing the /machine: flag.
0010 //
0011 //===----------------------------------------------------------------------===//
0012
0013 #ifndef LLVM_OBJECT_WINDOWSMACHINEFLAG_H
0014 #define LLVM_OBJECT_WINDOWSMACHINEFLAG_H
0015
0016 #include "llvm/BinaryFormat/COFF.h"
0017 #include "llvm/TargetParser/Triple.h"
0018
0019 namespace llvm {
0020
0021 class StringRef;
0022 namespace COFF {
0023 enum MachineTypes : unsigned;
0024 }
0025
0026 // Returns a user-readable string for ARMNT, ARM64, AMD64, I386.
0027 // Other MachineTypes values must not be passed in.
0028 StringRef machineToStr(COFF::MachineTypes MT);
0029
0030 // Maps /machine: arguments to a MachineTypes value.
0031 // Only returns ARMNT, ARM64, AMD64, I386, or IMAGE_FILE_MACHINE_UNKNOWN.
0032 COFF::MachineTypes getMachineType(StringRef S);
0033
0034 template <typename T> Triple::ArchType getMachineArchType(T machine) {
0035   switch (machine) {
0036   case COFF::IMAGE_FILE_MACHINE_I386:
0037     return llvm::Triple::ArchType::x86;
0038   case COFF::IMAGE_FILE_MACHINE_AMD64:
0039     return llvm::Triple::ArchType::x86_64;
0040   case COFF::IMAGE_FILE_MACHINE_ARMNT:
0041     return llvm::Triple::ArchType::thumb;
0042   case COFF::IMAGE_FILE_MACHINE_ARM64:
0043   case COFF::IMAGE_FILE_MACHINE_ARM64EC:
0044   case COFF::IMAGE_FILE_MACHINE_ARM64X:
0045     return llvm::Triple::ArchType::aarch64;
0046   case COFF::IMAGE_FILE_MACHINE_R4000:
0047     return llvm::Triple::ArchType::mipsel;
0048   default:
0049     return llvm::Triple::ArchType::UnknownArch;
0050   }
0051 }
0052
0053 } // namespace llvm
0054
0055 #endif