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//===- 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.
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