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Diffstat (limited to 'contrib/llvm-project/llvm/lib/TextAPI/Architecture.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/TextAPI/Architecture.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/TextAPI/Architecture.cpp b/contrib/llvm-project/llvm/lib/TextAPI/Architecture.cpp new file mode 100644 index 000000000000..bb349b21774e --- /dev/null +++ b/contrib/llvm-project/llvm/lib/TextAPI/Architecture.cpp @@ -0,0 +1,98 @@ +//===- 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/Support/ErrorHandling.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. |