Add generic vxworks GAS target.

[Paul Brook <paul@codesourcery.com>]

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The attached patch adds a generic VxWorks GAS target.
Target specific bits to follow shortly.

Tested --enable-targets=all.
Ok?

Paul

2005-01-04  Paul Brook  <paul@codesourcery.com>

 * configure.tgt: Set em=vxworks for *-*-vxworks.
 * config/te-vxworks.h: New File.

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Index: gas/configure.tgt
===================================================================
RCS file: /cvs/src/src/gas/configure.tgt,v
retrieving revision 1.1
diff -u -p -r1.1 configure.tgt
--- gas/configure.tgt	22 Dec 2004 15:29:25 -0000	1.1
+++ gas/configure.tgt	31 Dec 2004 14:20:20 -0000
@@ -423,7 +423,7 @@ case ${generic_target} in
   *-*-sim)				fmt=coff ;;
   *-*-elf | *-*-sysv4* | *-*-solaris*)	fmt=elf ;;
   *-*-aros*)				fmt=elf em=linux bfd_gas=yes ;;
-  *-*-vxworks | *-*-windiss)		fmt=elf ;;
+  *-*-vxworks | *-*-windiss)		fmt=elf em=vxworks ;;
   *-*-netware)				fmt=elf em=netware ;;
 esac
 
Index: gas/config/te-vxworks.h
===================================================================
RCS file: gas/config/te-vxworks.h
diff -N gas/config/te-vxworks.h
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gas/config/te-vxworks.h	31 Dec 2004 14:20:20 -0000
@@ -0,0 +1,31 @@
+/* te-vxworks.h -- VxWorks target environment declarations.
+   Copyright 2005
+   Free Software Foundation, Inc.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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, or (at your option)
+   any later version.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#define TE_VXWORKS	1
+#define LOCAL_LABELS_DOLLAR 1
+#define LOCAL_LABELS_FB 1
+
+/* these define interfaces */
+#ifdef OBJ_HEADER
+#include OBJ_HEADER
+#else
+#include "obj-format.h"
+#endif