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      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 
     19 using namespace llvm;
     20 
     21 // Returns /machine's value.
     22 COFF::MachineTypes llvm::getMachineType(StringRef S) {
     23   return StringSwitch<COFF::MachineTypes>(S.lower())
     24       .Cases("x64", "amd64", COFF::IMAGE_FILE_MACHINE_AMD64)
     25       .Cases("x86", "i386", COFF::IMAGE_FILE_MACHINE_I386)
     26       .Case("arm", COFF::IMAGE_FILE_MACHINE_ARMNT)
     27       .Case("arm64", COFF::IMAGE_FILE_MACHINE_ARM64)
     28       .Default(COFF::IMAGE_FILE_MACHINE_UNKNOWN);
     29 }
     30 
     31 StringRef llvm::machineToStr(COFF::MachineTypes MT) {
     32   switch (MT) {
     33   case COFF::IMAGE_FILE_MACHINE_ARMNT:
     34     return "arm";
     35   case COFF::IMAGE_FILE_MACHINE_ARM64:
     36     return "arm64";
     37   case COFF::IMAGE_FILE_MACHINE_AMD64:
     38     return "x64";
     39   case COFF::IMAGE_FILE_MACHINE_I386:
     40     return "x86";
     41   default:
     42     llvm_unreachable("unknown machine type");
     43   }
     44 }
     45