99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
//===- 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/ADT/Triple.h"
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#include "llvm/BinaryFormat/MachO.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/ErrorHandling.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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