Index: head/sys/sparc64/sparc64/db_trace.c
===================================================================
--- head/sys/sparc64/sparc64/db_trace.c
+++ head/sys/sparc64/sparc64/db_trace.c
@@ -279,7 +279,7 @@
 {
 
 	db_backtrace(curthread,
-	    (struct frame *)__builtin_frame_address(1), -1);
+	    (struct frame *)__builtin_frame_address(0), -1);
 }
 
 int