diff --git a/gdb/.gdbinit b/gdb/.gdbinit
index 3adc4837d0..0bf56a615b 100644
--- a/gdb/.gdbinit
+++ b/gdb/.gdbinit
@@ -10,4 +10,7 @@ commands
 	return
 end
 
+dir ../mmalloc
+dir ../libiberty
+dir ../bfd
 set prompt (top-gdb)