--- Gnu-Mach/ddb/db_ext_symtab.c	2020/09/02 04:36:57	1.1.1.1
+++ Gnu-Mach/ddb/db_ext_symtab.c	2020/09/02 04:45:50	1.1.1.3
@@ -1,34 +1,31 @@
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
- * 
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
+ *
  * Carnegie Mellon requests users of this software to return to
- * 
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
- * 
+ *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
 
-#include "mach_kdb.h"
 #if MACH_KDB
 
-#include <mach_debug.h>
-
 #if	MACH_DEBUG
 
 #include <mach/mach_types.h>	/* vm_address_t */
@@ -36,6 +33,7 @@
 #include <mach/vm_param.h>
 #include <vm/vm_map.h>
 #include <vm/vm_kern.h>
+#include <vm/vm_user.h>
 #include <kern/host.h>
 #include <kern/task.h>
 #include <ddb/db_sym.h>
@@ -120,4 +118,4 @@ host_load_symbol_table(host, task, name,
 
 #endif	/* MACH_DEBUG */
 
-#endif MACH_KDB
+#endif /* MACH_KDB */