emit the .size directive for global variables on ELF through

mcstreamer.

llvm-svn: 94416

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCAsmStreamer.cpp b/llvm/lib/MC/MCAsmStreamer.cpp
index 0698bd4ea19..6ce040efd6b 100644
--- a/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/llvm/lib/MC/MCAsmStreamer.cpp
@@ -93,6 +93,7 @@ public:
 
   virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue);
 
+  virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
   virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                 unsigned ByteAlignment);
 
@@ -251,6 +252,11 @@ void MCAsmStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
   EmitEOL();
 }
 
+void MCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
+  assert(MAI.hasDotTypeDotSizeDirective());
+  OS << "\t.size\t" << *Symbol << ", " << *Value << '\n';
+}
+
 void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                      unsigned ByteAlignment) {
   OS << "\t.comm\t" << *Symbol << ',' << Size;