+/* Parse a .gnu_attribute directive. */
+static void
+ppc_elf_gnu_attribute (int ignored ATTRIBUTE_UNUSED)
+{
+ int tag = obj_elf_vendor_attribute (OBJ_ATTR_GNU);
+
+ /* Check validity of defined powerpc tags. */
+ if (tag == Tag_GNU_Power_ABI_FP
+ || tag == Tag_GNU_Power_ABI_Vector
+ || tag == Tag_GNU_Power_ABI_Struct_Return)
+ {
+ unsigned int val;
+
+ val = bfd_elf_get_obj_attr_int (stdoutput, OBJ_ATTR_GNU, tag);
+
+ if ((tag == Tag_GNU_Power_ABI_FP && val > 15)
+ || (tag == Tag_GNU_Power_ABI_Vector && val > 3)
+ || (tag == Tag_GNU_Power_ABI_Struct_Return && val > 2))
+ as_warn (_("unknown .gnu_attribute value"));
+ }
+}
+