diff --git a/sys/kern/linker_if.m b/sys/kern/linker_if.m
index 1530da28e099..aadcf048bc4b 100644
--- a/sys/kern/linker_if.m
+++ b/sys/kern/linker_if.m
@@ -95,6 +95,15 @@ METHOD void unload {
     linker_file_t	file;
 };
 
+#
+# Load CTF data if necessary and if there is a .SUNW_ctf section
+# in the ELF file, returning info in the linker CTF structure.
+#
+METHOD int ctf_get {
+	linker_file_t	file;
+	linker_ctf_t	*lc;
+};
+
 #
 # Load a file, returning the new linker_file_t in *result.  If
 # the class does not recognise the file type, zero should be