lib/Object/WindowsMachineFlag.cpp

   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 }