void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
const TargetMachine &TM,
const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
NameData += Sym->getName();
MCSymbol *Label = getContext().GetOrCreateSymbol(NameData);
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
StringRef Prefix = ".data.";
NameData.insert(NameData.begin(), Prefix.begin(), Prefix.end());
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
const MCSection *Sec = getContext().getELFSection(NameData,
ELF::SHT_PROGBITS,
Flags,
SectionKind::getDataRel(),
0, Label->getName());
unsigned Size = TM.getDataLayout()->getPointerSize(0);
Streamer.SwitchSection(Sec);
Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment(0));
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::Create(Size, getContext());
Streamer.EmitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}
void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
const TargetMachine &TM,
const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
// @LOCALMOD-BEGIN
// The dwarf section label should not include the version suffix.
// Strip it off here.
StringRef Name = Sym->getName();
size_t atpos = Name.find("@");
if (atpos != StringRef::npos)
Name = Name.substr(0, atpos);
// @LOCALMOD-END
NameData += Name; // @LOCALMOD
MCSymbol *Label = getContext().GetOrCreateSymbol(NameData);
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
StringRef Prefix = ".data.";
NameData.insert(NameData.begin(), Prefix.begin(), Prefix.end());
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
const MCSection *Sec = getContext().getELFSection(NameData,
ELF::SHT_PROGBITS,
Flags,
SectionKind::getDataRel(),
0, Label->getName());
unsigned Size = TM.getDataLayout()->getPointerSize();
Streamer.SwitchSection(Sec);
Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::Create(Size, getContext());
Streamer.EmitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}
void TargetLoweringObjectFileELF::emitPersonalityValue(
MCStreamer &Streamer, const DataLayout &DL, const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
NameData += Sym->getName();
MCSymbolELF *Label =
cast<MCSymbolELF>(getContext().getOrCreateSymbol(NameData));
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
MCSection *Sec = getContext().getELFNamedSection(".data", Label->getName(),
ELF::SHT_PROGBITS, Flags, 0);
unsigned Size = DL.getPointerSize();
Streamer.SwitchSection(Sec);
Streamer.EmitValueToAlignment(DL.getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::create(Size, getContext());
Streamer.emitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}
static void
emitNonLazySymbolPointer(MCStreamer &OutStreamer, MCSymbol *StubLabel,
MachineModuleInfoImpl::StubValueTy &MCSym) {
// L_foo$stub:
OutStreamer.EmitLabel(StubLabel);
// .indirect_symbol _foo
OutStreamer.EmitSymbolAttribute(MCSym.getPointer(), MCSA_IndirectSymbol);
if (MCSym.getInt())
// External to current translation unit.
OutStreamer.EmitIntValue(0, 4/*size*/);
else
// Internal to current translation unit.
//
// When we place the LSDA into the TEXT section, the type info
// pointers need to be indirect and pc-rel. We accomplish this by
// using NLPs; however, sometimes the types are local to the file.
// We need to fill in the value for the NLP in those cases.
OutStreamer.EmitValue(
MCSymbolRefExpr::create(MCSym.getPointer(), OutStreamer.getContext()),
4 /*size*/);
}
