llvm-project

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//===- Architecture.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Implements the architecture helper functions.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/TextAPI/Architecture.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/BinaryFormat/MachO.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/TargetParser/Triple.h"
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namespace llvm {
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namespace MachO {
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Architecture getArchitectureFromCpuType(uint32_t CPUType, uint32_t CPUSubType) {
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#define ARCHINFO(Arch, Type, Subtype, NumBits)                                 \
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  if (CPUType == (Type) &&                                                     \
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      (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) == (Subtype))                    \
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    return AK_##Arch;
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#include "llvm/TextAPI/Architecture.def"
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#undef ARCHINFO
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  return AK_unknown;
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}
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Architecture getArchitectureFromName(StringRef Name) {
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  return StringSwitch<Architecture>(Name)
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#define ARCHINFO(Arch, Type, Subtype, NumBits) .Case(#Arch, AK_##Arch)
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#include "llvm/TextAPI/Architecture.def"
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#undef ARCHINFO
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      .Default(AK_unknown);
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}
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StringRef getArchitectureName(Architecture Arch) {
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  switch (Arch) {
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#define ARCHINFO(Arch, Type, Subtype, NumBits)                                 \
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  case AK_##Arch:                                                              \
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    return #Arch;
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#include "llvm/TextAPI/Architecture.def"
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#undef ARCHINFO
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  case AK_unknown:
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    return "unknown";
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  }
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  // Appease some compilers that cannot figure out that this is a fully covered
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  // switch statement.
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  return "unknown";
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}
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std::pair<uint32_t, uint32_t> getCPUTypeFromArchitecture(Architecture Arch) {
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  switch (Arch) {
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#define ARCHINFO(Arch, Type, Subtype, NumBits)                                 \
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  case AK_##Arch:                                                              \
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    return std::make_pair(Type, Subtype);
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#include "llvm/TextAPI/Architecture.def"
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#undef ARCHINFO
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  case AK_unknown:
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    return std::make_pair(0, 0);
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  }
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  // Appease some compilers that cannot figure out that this is a fully covered
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  // switch statement.
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  return std::make_pair(0, 0);
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}
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Architecture mapToArchitecture(const Triple &Target) {
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  return getArchitectureFromName(Target.getArchName());
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}
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bool is64Bit(Architecture Arch) {
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  switch (Arch) {
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#define ARCHINFO(Arch, Type, Subtype, NumBits)                                 \
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  case AK_##Arch:                                                              \
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    return NumBits == 64;
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#include "llvm/TextAPI/Architecture.def"
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#undef ARCHINFO
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  case AK_unknown:
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    return false;
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  }
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  llvm_unreachable("Fully handled switch case above.");
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}
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raw_ostream &operator<<(raw_ostream &OS, Architecture Arch) {
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  OS << getArchitectureName(Arch);
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  return OS;
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}
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} // end namespace MachO.
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} // end namespace llvm.
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