void EmitDataRegion(DataRegionData::KindTy Kind);
void EmitDataRegionEnd();
public:
- MCMachOStreamer(MCContext &Context, MCAsmBackend &MAB,
- raw_ostream &OS, MCCodeEmitter *Emitter)
- : MCObjectStreamer(Context, MAB, OS, Emitter) {}
+ MCMachOStreamer(MCContext &Context, MCAsmBackend &MAB, raw_ostream &OS,
+ MCCodeEmitter *Emitter)
+ : MCObjectStreamer(SK_MachOStreamer, Context, MAB, OS, Emitter) {}
/// @name MCStreamer Interface
/// @{
virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
MCSymbol *EHSymbol);
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
+ virtual void EmitLinkerOptions(ArrayRef<std::string> Options);
virtual void EmitDataRegion(MCDataRegionType Kind);
virtual void EmitThumbFunc(MCSymbol *Func);
- virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute);
+ virtual bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute);
virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue);
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment);
virtual void FinishImpl();
/// @}
+
+ static bool classof(const MCStreamer *S) {
+ return S->getKind() == SK_MachOStreamer;
+ }
};
} // end anonymous namespace.
assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
// isSymbolLinkerVisible uses the section.
- Symbol->setSection(*getCurrentSection());
+ Symbol->setSection(*getCurrentSection().first);
// We have to create a new fragment if this is an atom defining symbol,
// fragments cannot span atoms.
if (getAssembler().isSymbolLinkerVisible(*Symbol))
- new MCDataFragment(getCurrentSectionData());
+ insert(new MCDataFragment());
MCObjectStreamer::EmitLabel(Symbol);
}
}
+void MCMachOStreamer::EmitLinkerOptions(ArrayRef<std::string> Options) {
+ getAssembler().getLinkerOptions().push_back(Options);
+}
+
void MCMachOStreamer::EmitDataRegion(MCDataRegionType Kind) {
switch (Kind) {
case MCDR_DataRegion:
SD.setFlags(SD.getFlags() | SF_ThumbFunc);
}
-void MCMachOStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
+bool MCMachOStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
MCSymbolAttr Attribute) {
// Indirect symbols are handled differently, to match how 'as' handles
// them. This makes writing matching .o files easier.
ISD.Symbol = Symbol;
ISD.SectionData = getCurrentSectionData();
getAssembler().getIndirectSymbols().push_back(ISD);
- return;
+ return true;
}
// Adding a symbol attribute always introduces the symbol, note that an
case MCSA_Protected:
case MCSA_Weak:
case MCSA_Local:
- llvm_unreachable("Invalid symbol attribute for Mach-O!");
+ return false;
case MCSA_Global:
SD.setExternal(true);
SD.setFlags(SD.getFlags() | SF_WeakDefinition | SF_WeakReference);
break;
}
+
+ return true;
}
void MCMachOStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
if (!Symbol)
return;
- // FIXME: Assert that this section has the zerofill type.
+ // On darwin all virtual sections have zerofill type.
+ assert(Section->isVirtualSection() && "Section does not have zerofill type!");
assert(Symbol->isUndefined() && "Cannot define a symbol twice!");