// Add a symbol for the file name of this module. This is the second
// entry in the module's symbol table (the first being the null symbol).
void MCELFStreamer::EmitFileDirective(StringRef Filename) {
MCSymbol *Symbol = getAssembler().getContext().GetOrCreateSymbol(Filename);
Symbol->setSection(*getCurrentSection());
Symbol->setAbsolute();
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
SD.setFlags(ELF_STT_File | ELF_STB_Local | ELF_STV_Default);
}
void EmitMappingSymbol(StringRef Name) {
MCSymbol *Start = getContext().CreateTempSymbol();
EmitLabel(Start);
MCSymbol *Symbol = getContext().GetOrCreateSymbol(
Name + "." + Twine(MappingSymbolCounter++));
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
MCELF::SetType(SD, ELF::STT_NOTYPE);
MCELF::SetBinding(SD, ELF::STB_LOCAL);
SD.setExternal(false);
Symbol->setSection(*getCurrentSection().first);
const MCExpr *Value = MCSymbolRefExpr::Create(Start, getContext());
Symbol->setVariableValue(Value);
}