* config/xm-nbsd.h: New file, support for all NetBSD ports.

* config/sparc/{nm-nbsd.h,tm-nbsd.h,xm-nbsd.h}: New files, support
  for NetBSD/sparc.
* configure.in: Add sparc-*-netbsd target.

gdb/config/xm-nbsd.h

@@ -0,0 +1,37 @@
+/* Host-dependent definitions for any CPU running NetBSD.
+   Copyright 1993, 1994 Free Software Foundation, Inc.
+
+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.  */
+
+/* for INT_MIN, to avoid "INT_MIN redefined" warnings from defs.h */
+#include <limits.h>
+
+#include <machine/endian.h>
+#ifdef BYTE_ORDER == BIG_ENDIAN
+#define HOST_BYTE_ORDER BIG_ENDIAN
+#else
+#define HOST_BYTE_ORDER LITTLE_ENDIAN
+#endif
+
+/* NetBSD has termios facilities. */
+#define HAVE_TERMIOS
+
+/* psignal() is in <signal.h>.  */
+#define PSIGNAL_IN_SIGNAL_H
+
+/* Get rid of any system-imposed stack limit if possible. */
+#define SET_STACK_LIMIT_HUGE