break coff symbol definition stuff out into proper MCStreamer callbacks,
patch by Nathan Jeffords!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCMachOStreamer.cpp b/lib/MC/MCMachOStreamer.cpp
index aa8b1ca..60b6c7c 100644
--- a/lib/MC/MCMachOStreamer.cpp
+++ b/lib/MC/MCMachOStreamer.cpp
@@ -96,6 +96,18 @@
   virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue);
   virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                 unsigned ByteAlignment);
+  virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {
+    assert(0 && "macho doesn't support this directive");
+  }
+  virtual void EmitCOFFSymbolStorageClass(int StorageClass) {
+    assert(0 && "macho doesn't support this directive");
+  }
+  virtual void EmitCOFFSymbolType(int Type) {
+    assert(0 && "macho doesn't support this directive");
+  }
+  virtual void EndCOFFSymbolDef() {
+    assert(0 && "macho doesn't support this directive");
+  }
   virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
     assert(0 && "macho doesn't support this directive");
   }