Merging r261368:

[oota-llvm.git] / lib / MC / MCNullStreamer.cpp

diff --git a/lib/MC/MCNullStreamer.cpp b/lib/MC/MCNullStreamer.cpp
index b9393ffd2e9f9d7d9648a1ca4551751833c69ba8..eb2d91254b34227031aadea5c910f40a4cd2e61a 100644 (file)
--- 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"
@@ -25,82 +24,20 @@ namespace {
     /// @name MCStreamer Interface
     /// @{
 
-    virtual void InitSections() {
-    }
-
-    virtual void SwitchSection(const MCSection *Section) {
-      PrevSection = CurSection;
-      CurSection = Section;
-    }
-
-    virtual void EmitLabel(MCSymbol *Symbol) {
-      assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
-      assert(CurSection && "Cannot emit before setting section!");
-      Symbol->setSection(*CurSection);
+    bool EmitSymbolAttribute(MCSymbol *Symbol,
+                             MCSymbolAttr Attribute) override {
+      return true;
     }
 
-    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) {}
-
-    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) {}
-
-    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,
-                               bool isPCRel, unsigned AddrSpace) {}
-    virtual void EmitULEB128Value(const MCExpr *Value,
-                                  unsigned AddrSpace = 0) {}
-    virtual void EmitSLEB128Value(const MCExpr *Value,
-                                  unsigned AddrSpace = 0) {}
-    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 Filename) {
-      return false;
-    }
-    virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
-                                       unsigned Column, unsigned Flags,
-                                       unsigned Isa, unsigned Discriminator) {}
-    virtual void EmitInstruction(const MCInst &Inst) {}
-
-    virtual void Finish() {}
-    
-    /// @}
+    void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+                          unsigned ByteAlignment) override {}
+    void EmitZerofill(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);
 }