llvm/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 #include "llvm/Support/ErrorHandling.h"
  19
  20 using namespace llvm;
  21
  22 // Returns /machine's value.
  23 COFF::MachineTypes llvm::getMachineType(StringRef S) {
  24   return StringSwitch<COFF::MachineTypes>(S.lower())
  25       .Cases("x64", "amd64", COFF::IMAGE_FILE_MACHINE_AMD64)
  26       .Cases("x86", "i386", COFF::IMAGE_FILE_MACHINE_I386)
  27       .Case("arm", COFF::IMAGE_FILE_MACHINE_ARMNT)
  28       .Case("arm64", COFF::IMAGE_FILE_MACHINE_ARM64)
  29       .Case("arm64ec", COFF::IMAGE_FILE_MACHINE_ARM64EC)
  30       .Case("arm64x", COFF::IMAGE_FILE_MACHINE_ARM64X)
  31       .Default(COFF::IMAGE_FILE_MACHINE_UNKNOWN);
  32 }
  33
  34 StringRef llvm::machineToStr(COFF::MachineTypes MT) {
  35   switch (MT) {
  36   case COFF::IMAGE_FILE_MACHINE_ARMNT:
  37     return "arm";
  38   case COFF::IMAGE_FILE_MACHINE_ARM64:
  39     return "arm64";
  40   case COFF::IMAGE_FILE_MACHINE_ARM64EC:
  41     return "arm64ec";
  42   case COFF::IMAGE_FILE_MACHINE_ARM64X:
  43     return "arm64x";
  44   case COFF::IMAGE_FILE_MACHINE_AMD64:
  45     return "x64";
  46   case COFF::IMAGE_FILE_MACHINE_I386:
  47     return "x86";
  48   default:
  49     llvm_unreachable("unknown machine type");
  50   }
  51 }