X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCNullStreamer.cpp;h=9b9c4aa2a0cdfc306839804ac2326416b235210a;hb=bb96dfcf4f58ae7152f4be92254a0bb1c0995e6d;hp=46e9ebfa8868f505b9eb7889826e8f31a79a04ce;hpb=718fb59801320b8cb22363d115b5fc5ec40dc1f5;p=oota-llvm.git diff --git a/lib/MC/MCNullStreamer.cpp b/lib/MC/MCNullStreamer.cpp index 46e9ebfa886..9b9c4aa2a0c 100644 --- a/lib/MC/MCNullStreamer.cpp +++ b/lib/MC/MCNullStreamer.cpp @@ -8,7 +8,6 @@ //===----------------------------------------------------------------------===// #include "llvm/MC/MCStreamer.h" - #include "llvm/MC/MCContext.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCSectionMachO.h" @@ -20,55 +19,100 @@ namespace { class MCNullStreamer : public MCStreamer { public: - MCNullStreamer(MCContext &Context) : MCStreamer(Context) {} + MCNullStreamer(MCContext &Context) : MCStreamer(Context, 0) {} /// @name MCStreamer Interface /// @{ - virtual void SwitchSection(const MCSection *Section) { - CurSection = Section; + virtual void InitToTextSection() { } - virtual void EmitLabel(MCSymbol *Symbol) {} + virtual void InitSections() { + } + virtual void ChangeSection(const MCSection *Section, + const MCExpr *Subsection) { + } + + virtual void EmitLabel(MCSymbol *Symbol) { + assert(Symbol->isUndefined() && "Cannot define a symbol twice!"); + assert(getCurrentSection().first &&"Cannot emit before setting section!"); + AssignSection(Symbol, getCurrentSection().first); + } + virtual void EmitDebugLabel(MCSymbol *Symbol) { + EmitLabel(Symbol); + } virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {} + virtual void EmitThumbFunc(MCSymbol *Func) {} virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {} - - virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute){} + virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol){} + virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta, + const MCSymbol *LastLabel, + const MCSymbol *Label, + unsigned PointerSize) {} + + virtual bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute){ + return true; + } 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 EmitCOFFSecRel32(MCSymbol const *Symbol) {} + 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) {} - + 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 EmitBytes(StringRef Data, unsigned AddrSpace) {} - - virtual void EmitValue(const MCExpr *Value, unsigned Size, - unsigned AddrSpace) {} + uint64_t Size = 0, unsigned ByteAlignment = 0) {} + virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol, + uint64_t Size, unsigned ByteAlignment) {} + virtual void EmitBytes(StringRef Data) {} + + virtual void EmitValueImpl(const MCExpr *Value, unsigned Size) {} + 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 EmitValueToOffset(const MCExpr *Offset, - unsigned char Value = 0) {} - + virtual void EmitCodeAlignment(unsigned ByteAlignment, + unsigned MaxBytesToEmit = 0) {} + + virtual bool EmitValueToOffset(const MCExpr *Offset, + unsigned char Value = 0) { return false; } + virtual void EmitFileDirective(StringRef Filename) {} - virtual void EmitDwarfFileDirective(unsigned FileNo,StringRef Filename) {} + virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory, + StringRef Filename, unsigned CUID = 0) { + return false; + } + 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() {} - - /// @} + virtual void EmitBundleAlignMode(unsigned AlignPow2) {} + virtual void EmitBundleLock(bool AlignToEnd) {} + virtual void EmitBundleUnlock() {} + + virtual void FinishImpl() {} + + virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { + RecordProcEnd(Frame); + } }; } - + MCStreamer *llvm::createNullStreamer(MCContext &Context) { return new MCNullStreamer(Context); }