void ARMElfTargetObjectFile::Initialize(MCContext &Ctx,
const TargetMachine &TM) {
const ARMTargetMachine &ARM_TM = static_cast<const ARMTargetMachine &>(TM);
bool isAAPCS_ABI = ARM_TM.TargetABI == ARMTargetMachine::ARMABI::ARM_ABI_AAPCS;
genExecuteOnly = ARM_TM.getSubtargetImpl()->genExecuteOnly();
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
InitializeELF(isAAPCS_ABI);
if (isAAPCS_ABI) {
LSDASection = nullptr;
}
AttributesSection =
getContext().getELFSection(".ARM.attributes", ELF::SHT_ARM_ATTRIBUTES, 0);
// Make code section unreadable when in execute-only mode
if (genExecuteOnly) {
unsigned Type = ELF::SHT_PROGBITS;
unsigned Flags = ELF::SHF_EXECINSTR | ELF::SHF_ALLOC | ELF::SHF_ARM_PURECODE;
// Since we cannot modify flags for an existing section, we create a new
// section with the right flags, and use 0 as the unique ID for
// execute-only text
TextSection = Ctx.getELFSection(".text", Type, Flags, 0, "", 0U);
}
}
void AVRTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
Base::Initialize(Ctx, TM);
ProgmemDataSection =
Ctx.getELFSection(".progmem.data", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
}
void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
BSSSection =
Ctx.getELFSection(".dp.bss", ELF::SHT_NOBITS,
ELF::SHF_ALLOC | ELF::SHF_WRITE |
ELF::XCORE_SHF_DP_SECTION,
SectionKind::getBSS());
BSSSectionLarge =
Ctx.getELFSection(".dp.bss.large", ELF::SHT_NOBITS,
ELF::SHF_ALLOC | ELF::SHF_WRITE |
ELF::XCORE_SHF_DP_SECTION,
SectionKind::getBSS());
DataSection =
Ctx.getELFSection(".dp.data", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_WRITE |
ELF::XCORE_SHF_DP_SECTION,
SectionKind::getDataRel());
DataSectionLarge =
Ctx.getELFSection(".dp.data.large", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_WRITE |
ELF::XCORE_SHF_DP_SECTION,
SectionKind::getDataRel());
DataRelROSection =
Ctx.getELFSection(".dp.rodata", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_WRITE |
ELF::XCORE_SHF_DP_SECTION,
SectionKind::getReadOnlyWithRel());
DataRelROSectionLarge =
Ctx.getELFSection(".dp.rodata.large", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_WRITE |
ELF::XCORE_SHF_DP_SECTION,
SectionKind::getReadOnlyWithRel());
ReadOnlySection =
Ctx.getELFSection(".cp.rodata", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC |
ELF::XCORE_SHF_CP_SECTION,
SectionKind::getReadOnlyWithRel());
ReadOnlySectionLarge =
Ctx.getELFSection(".cp.rodata.large", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC |
ELF::XCORE_SHF_CP_SECTION,
SectionKind::getReadOnlyWithRel());
MergeableConst4Section =
Ctx.getELFSection(".cp.rodata.cst4", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_MERGE |
ELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst4());
MergeableConst8Section =
Ctx.getELFSection(".cp.rodata.cst8", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_MERGE |
ELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst8());
MergeableConst16Section =
Ctx.getELFSection(".cp.rodata.cst16", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_MERGE |
ELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst16());
CStringSection =
Ctx.getELFSection(".cp.rodata.string", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC | ELF::SHF_MERGE | ELF::SHF_STRINGS |
ELF::XCORE_SHF_CP_SECTION,
SectionKind::getReadOnlyWithRel());
// TextSection - see MObjectFileInfo.cpp
// StaticCtorSection - see MObjectFileInfo.cpp
// StaticDtorSection - see MObjectFileInfo.cpp
}
