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//===- IFSStub.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
//
//===-----------------------------------------------------------------------===/
#include "llvm/InterfaceStub/IFSStub.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
using namespace llvm::ifs;
IFSStub::IFSStub(IFSStub const &Stub) {
IfsVersion = Stub.IfsVersion;
Target = Stub.Target;
SoName = Stub.SoName;
NeededLibs = Stub.NeededLibs;
Symbols = Stub.Symbols;
}
IFSStub::IFSStub(IFSStub &&Stub) {
IfsVersion = std::move(Stub.IfsVersion);
Target = std::move(Stub.Target);
SoName = std::move(Stub.SoName);
NeededLibs = std::move(Stub.NeededLibs);
Symbols = std::move(Stub.Symbols);
}
IFSStubTriple::IFSStubTriple(IFSStubTriple const &Stub) : IFSStub() {
IfsVersion = Stub.IfsVersion;
Target = Stub.Target;
SoName = Stub.SoName;
NeededLibs = Stub.NeededLibs;
Symbols = Stub.Symbols;
}
IFSStubTriple::IFSStubTriple(IFSStub const &Stub) {
IfsVersion = Stub.IfsVersion;
Target = Stub.Target;
SoName = Stub.SoName;
NeededLibs = Stub.NeededLibs;
Symbols = Stub.Symbols;
}
IFSStubTriple::IFSStubTriple(IFSStubTriple &&Stub) {
IfsVersion = std::move(Stub.IfsVersion);
Target = std::move(Stub.Target);
SoName = std::move(Stub.SoName);
NeededLibs = std::move(Stub.NeededLibs);
Symbols = std::move(Stub.Symbols);
}
bool IFSTarget::empty() {
return !Triple && !ObjectFormat && !Arch && !ArchString && !Endianness &&
!BitWidth;
}
uint8_t ifs::convertIFSBitWidthToELF(IFSBitWidthType BitWidth) {
switch (BitWidth) {
case IFSBitWidthType::IFS32:
return ELF::ELFCLASS32;
case IFSBitWidthType::IFS64:
return ELF::ELFCLASS64;
default:
llvm_unreachable("unknown bitwidth");
}
}
uint8_t ifs::convertIFSEndiannessToELF(IFSEndiannessType Endianness) {
switch (Endianness) {
case IFSEndiannessType::Little:
return ELF::ELFDATA2LSB;
case IFSEndiannessType::Big:
return ELF::ELFDATA2MSB;
default:
llvm_unreachable("unknown endianness");
}
}
uint8_t ifs::convertIFSSymbolTypeToELF(IFSSymbolType SymbolType) {
switch (SymbolType) {
case IFSSymbolType::Object:
return ELF::STT_OBJECT;
case IFSSymbolType::Func:
return ELF::STT_FUNC;
case IFSSymbolType::TLS:
return ELF::STT_TLS;
case IFSSymbolType::NoType:
default:
return ELF::STT_NOTYPE;
}
}
IFSBitWidthType ifs::convertELFBitWidthToIFS(uint8_t BitWidth) {
switch (BitWidth) {
case ELF::ELFCLASS32:
return IFSBitWidthType::IFS32;
case ELF::ELFCLASS64:
return IFSBitWidthType::IFS64;
default:
return IFSBitWidthType::Unknown;
}
}
IFSEndiannessType ifs::convertELFEndiannessToIFS(uint8_t Endianness) {
switch (Endianness) {
case ELF::ELFDATA2LSB:
return IFSEndiannessType::Little;
case ELF::ELFDATA2MSB:
return IFSEndiannessType::Big;
default:
return IFSEndiannessType::Unknown;
}
}
IFSSymbolType ifs::convertELFSymbolTypeToIFS(uint8_t SymbolType) {
SymbolType = SymbolType & 0xf;
switch (SymbolType) {
case ELF::STT_OBJECT:
return IFSSymbolType::Object;
case ELF::STT_FUNC:
return IFSSymbolType::Func;
case ELF::STT_TLS:
return IFSSymbolType::TLS;
case ELF::STT_NOTYPE:
return IFSSymbolType::NoType;
default:
return IFSSymbolType::Unknown;
}
}
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