--- /dev/null
+/* Native support for SCO 3.2v4.
+ Copyright 1993 Free Software Foundation, Inc.
+ Contributed by Cygnus Support. By Ian Lance Taylor
+ <ian@cygnus.com> based on work by Martin Walker <maw@netcom.com>.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* SCO 3.2v4 is actually just like SCO 3.2v2, except that it
+ additionally supports attaching to a process. */
+
+#include "nm-i386sco.h"
+
+#define ATTACH_DETACH
+
+/* SCO, in its wisdom, does not provide <sys/ptrace.h>. infptrace.c
+ does not have defaults for these values. */
+#define PTRACE_ATTACH 10
+#define PTRACE_DETACH 11