//===----------------------------------------------------------------------===//
#include "llvm/MC/MCStreamer.h"
-
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSectionMachO.h"
/// @name MCStreamer Interface
/// @{
- virtual void InitSections() {
- }
-
- virtual void ChangeSection(const MCSection *Section) {
- }
-
- virtual void EmitLabel(MCSymbol *Symbol) {
- assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
- assert(getCurrentSection() && "Cannot emit before setting section!");
- Symbol->setSection(*getCurrentSection());
- }
-
- virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {}
- virtual void EmitThumbFunc(MCSymbol *Func) {}
-
- virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {}
- virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol){}
- virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
- const MCSymbol *LastLabel,
- const MCSymbol *Label,
- unsigned PointerSize) {}
-
- virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute){}
-
- virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {}
-
- virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {}
- virtual void EmitCOFFSymbolStorageClass(int StorageClass) {}
- virtual void EmitCOFFSymbolType(int Type) {}
- virtual void EndCOFFSymbolDef() {}
-
- virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {}
- virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment) {}
- virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment) {}
- virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
- unsigned Size = 0, unsigned ByteAlignment = 0) {}
- virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
- uint64_t Size, unsigned ByteAlignment) {}
- virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {}
-
- virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace) {}
- virtual void EmitULEB128Value(const MCExpr *Value) {}
- virtual void EmitSLEB128Value(const MCExpr *Value) {}
- virtual void EmitGPRel32Value(const MCExpr *Value) {}
- virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
- unsigned ValueSize = 1,
- unsigned MaxBytesToEmit = 0) {}
-
- virtual void EmitCodeAlignment(unsigned ByteAlignment,
- unsigned MaxBytesToEmit = 0) {}
-
- virtual void EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value = 0) {}
-
- virtual void EmitFileDirective(StringRef Filename) {}
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename) {
- return false;
+ bool EmitSymbolAttribute(MCSymbol *Symbol,
+ MCSymbolAttr Attribute) override {
+ return true;
}
- virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
- unsigned Column, unsigned Flags,
- unsigned Isa, unsigned Discriminator,
- StringRef FileName) {}
- virtual void EmitInstruction(const MCInst &Inst) {}
- virtual void Finish() {}
-
- /// @}
+ void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment) override {}
+ void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = nullptr,
+ uint64_t Size = 0, unsigned ByteAlignment = 0) override {}
+ void EmitGPRel32Value(const MCExpr *Value) override {}
};
}
-
+
MCStreamer *llvm::createNullStreamer(MCContext &Context) {
return new MCNullStreamer(Context);
}