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