Recognize version symbols in the weak symbol list.

diff --git a/sysdeps/unix/make-syscalls.sh b/sysdeps/unix/make-syscalls.sh
index f00ce5b..74b1523 100644 (file)
--- a/sysdeps/unix/make-syscalls.sh
+++ b/sysdeps/unix/make-syscalls.sh
@@ -64,9 +64,44 @@ EOF
         echo ' ret'; \\
         echo 'PSEUDO_END($strong)'; \\"
 
-  # Append any weak aliases defined for this syscall function.
+  # Append any weak aliases or versions defined for this syscall function.
+
+  # A shortcoming in the current gas is that it will only allow one
+  # version-alias per symbol.  So we create new strong aliases as needed.
+  vcount=""
+
   for name in $weak; do
-    echo "      echo 'weak_alias ($strong, $name)'; \\"
+    case $name in
+      *@@*)
+       base=`echo $name | sed 's/@.*//'`
+       ver=`echo $name | sed 's/@.*//'`
+       if test -z "$vcount" ; then
+         source=$strong
+         vcount=1
+       else
+         source="${strong}_${vcount}"
+         vcount=`expr $vcount + 1`
+         echo "         echo 'strong_alias ($strong, $source)'; \\"
+       fi
+       echo "   echo 'default_symbol_version($source, $base, $ver)'; \\"
+       ;;
+      *@*)
+       base=`echo $name | sed 's/@.*//'`
+       ver=`echo $name | sed 's/.*@//'`
+       if test -z "$vcount" ; then
+         source=$strong
+         vcount=1
+       else
+         source="${strong}_${vcount}"
+         vcount=`expr $vcount + 1`
+         echo "         echo 'strong_alias ($strong, $source)'; \\"
+       fi
+       echo "   echo 'symbol_version($source, $base, $ver)'; \\"
+       ;;
+      *)
+       echo "   echo 'weak_alias ($strong, $name)'; \\"
+       ;;
+    esac
   done
 
   # And finally, pipe this all into the compiler.