diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index b8e71ce..b346008 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -45,6 +45,8 @@
 
     virtual void EmitSymbolAttribute(MCSymbol *Symbol, SymbolAttr Attribute);
 
+    virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue);
+
     virtual void EmitCommonSymbol(MCSymbol *Symbol, unsigned Size,
                                   unsigned Pow2Alignment, bool IsLocal);
 
@@ -166,6 +168,10 @@
   OS << ' ' << Symbol->getName() << '\n';
 }
 
+void MCAsmStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
+  OS << ".desc" << ' ' << Symbol->getName() << ',' << DescValue << '\n';
+}
+
 void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, unsigned Size,
                                      unsigned Pow2Alignment, bool IsLocal) {
   if (IsLocal)