72   void EmitLabel(MCSymbol *Symbol) override;
73   void EmitEHSymAttributes(const MCSymbol *Symbol, MCSymbol *EHSymbol) override;
80   bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
81   void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
82   void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
84   void BeginCOFFSymbolDef(const MCSymbol *Symbol) override {  in BeginCOFFSymbolDef()  argument
96   void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
98   void EmitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
100   void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
160   // Output a linker-local symbol so we don't need section-relative local  in ChangeSection()
170 void MCMachOStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,  in EmitEHSymAttributes()  argument
172   getAssembler().registerSymbol(*Symbol);  in EmitEHSymAttributes()
173   if (Symbol->isExternal())  in EmitEHSymAttributes()
175   if (cast<MCSymbolMachO>(Symbol)->isWeakDefinition())  in EmitEHSymAttributes()
177   if (Symbol->isPrivateExtern())  in EmitEHSymAttributes()
181 void MCMachOStreamer::EmitLabel(MCSymbol *Symbol) {  in EmitLabel()  argument
182   assert(Symbol->isUndefined() && "Cannot define a symbol twice!");  in EmitLabel()
184   // We have to create a new fragment if this is an atom defining symbol,  in EmitLabel()
186   if (getAssembler().isSymbolLinkerVisible(*Symbol))  in EmitLabel()
189   MCObjectStreamer::EmitLabel(Symbol);  in EmitLabel()
198   cast<MCSymbolMachO>(Symbol)->clearReferenceType();  in EmitLabel()
269 void MCMachOStreamer::EmitThumbFunc(MCSymbol *Symbol) {  in EmitThumbFunc()  argument
272   getAssembler().setIsThumbFunc(Symbol);  in EmitThumbFunc()
273   cast<MCSymbolMachO>(Symbol)->setThumbFunc();  in EmitThumbFunc()
278   MCSymbolMachO *Symbol = cast<MCSymbolMachO>(Sym);  in EmitSymbolAttribute()  local
283     // Note that we intentionally cannot use the symbol data here; this is  in EmitSymbolAttribute()
286     ISD.Symbol = Symbol;  in EmitSymbolAttribute()
292   // Adding a symbol attribute always introduces the symbol, note that an  in EmitSymbolAttribute()
294   // the symbol with the assembler.  in EmitSymbolAttribute()
295   getAssembler().registerSymbol(*Symbol);  in EmitSymbolAttribute()
297   // The implementation of symbol attributes is designed to match 'as', but it  in EmitSymbolAttribute()
321     Symbol->setExternal(true);  in EmitSymbolAttribute()
323     // it isn't very consistent because it implements this as part of symbol  in EmitSymbolAttribute()
328     Symbol->setReferenceTypeUndefinedLazy(false);  in EmitSymbolAttribute()
333     Symbol->setNoDeadStrip();  in EmitSymbolAttribute()
334     if (Symbol->isUndefined())  in EmitSymbolAttribute()
335       Symbol->setReferenceTypeUndefinedLazy(true);  in EmitSymbolAttribute()
342     Symbol->setNoDeadStrip();  in EmitSymbolAttribute()
346     Symbol->setSymbolResolver();  in EmitSymbolAttribute()
350     Symbol->setExternal(true);  in EmitSymbolAttribute()
351     Symbol->setPrivateExtern(true);  in EmitSymbolAttribute()
356     if (Symbol->isUndefined())  in EmitSymbolAttribute()
357       Symbol->setWeakReference();  in EmitSymbolAttribute()
363     Symbol->setWeakDefinition();  in EmitSymbolAttribute()
367     Symbol->setWeakDefinition();  in EmitSymbolAttribute()
368     Symbol->setWeakReference();  in EmitSymbolAttribute()
375 void MCMachOStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {  in EmitSymbolDesc()  argument
377   getAssembler().registerSymbol(*Symbol);  in EmitSymbolDesc()
378   cast<MCSymbolMachO>(Symbol)->setDesc(DescValue);  in EmitSymbolDesc()
381 void MCMachOStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,  in EmitCommonSymbol()  argument
384   assert(Symbol->isUndefined() && "Cannot define a symbol twice!");  in EmitCommonSymbol()
386   getAssembler().registerSymbol(*Symbol);  in EmitCommonSymbol()
387   Symbol->setExternal(true);  in EmitCommonSymbol()
388   Symbol->setCommon(Size, ByteAlignment);  in EmitCommonSymbol()
391 void MCMachOStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,  in EmitLocalCommonSymbol()  argument
395                       Symbol, Size, ByteAlignment);  in EmitLocalCommonSymbol()
398 void MCMachOStreamer::EmitZerofill(MCSection *Section, MCSymbol *Symbol,  in EmitZerofill()  argument
402   // The symbol may not be present, which only creates the section.  in EmitZerofill()
403   if (!Symbol)  in EmitZerofill()
409   assert(Symbol->isUndefined() && "Cannot define a symbol twice!");  in EmitZerofill()
411   getAssembler().registerSymbol(*Symbol);  in EmitZerofill()
418   Symbol->setFragment(F);  in EmitZerofill()
427 void MCMachOStreamer::EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol,  in EmitTBSSSymbol()  argument
429   EmitZerofill(Section, Symbol, Size, ByteAlignment);  in EmitTBSSSymbol()
456   // First, scan the symbol table to build a lookup table from fragments to  in FinishImpl()
459   for (const MCSymbol &Symbol : getAssembler().symbols()) {  in FinishImpl()  local
460     if (getAssembler().isSymbolLinkerVisible(Symbol) && Symbol.isInSection() &&  in FinishImpl()
461         !Symbol.isVariable()) {  in FinishImpl()
462       // An atom defining symbol should never be internal to a fragment.  in FinishImpl()
463       assert(Symbol.getOffset() == 0 &&  in FinishImpl()
464              "Invalid offset in atom defining symbol!");  in FinishImpl()
465       DefiningSymbolMap[Symbol.getFragment()] = &Symbol;  in FinishImpl()
470   // symbol.  in FinishImpl()
474       if (const MCSymbol *Symbol = DefiningSymbolMap.lookup(&Frag))  in FinishImpl()  local
475         CurrentAtom = Symbol;  in FinishImpl()