Add a method to return if the ELF section contains only common symbols!

llvm-svn: 78937

llvm/include/llvm/MC/MCSectionELF.h

@@ -55,6 +55,9 @@ public:
 
   /// ShouldPrintSectionType - Only prints the section type if supported
   bool ShouldPrintSectionType(unsigned Ty) const;
+
+  /// IsCommon - True if this section contains only common symbols
+  bool IsCommon() const;
   
   /// These are the section type and flags fields.  An ELF section can have
   /// only one Type, but can have more than one of the flags specified.

llvm/lib/MC/MCSectionELF.cpp

@@ -121,3 +121,13 @@ void MCSectionELF::PrintSwitchToSection(const TargetAsmInfo &TAI,
   OS << '\n';
 }
 
+// IsCommon - True if this section contains only common symbols
+bool MCSectionELF::IsCommon() const {
+  
+  if (strncmp(SectionName.c_str(), ".gnu.linkonce.", 14) == 0)
+    return true;
+
+  return false;
+}
+
+