summaryrefslogtreecommitdiff
path: root/sysdeps/standalone/i960/nindy960/_exit.c
blob: e56dcc07a46b075bed4bc83e80a7a35bac5d344d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
     On-Line Applications Research Corporation.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <unistd.h>
#include <stdlib.h>

/* The function `_exit' should take a status argument and simply
   terminate program execution, using the low-order 8 bits of the
   given integer as status.  */

/* This returns control to Nindy.  */
/* XXX where is __NORETURN ? */
__NORETURN void
_exit (status)
     int status;
{
  /* status is ignored */

  asm volatile( "mov   0,g0; \
                 fmark ; \
           syncf ; \
           .word    0xfeedface ; \
                 bx       start" : : );
 /*  The constant 0xfeedface is a magic word for break which
  *  is defined by NINDY.  The branch extended restarts the
  *  application if the user types "go".
  */
}


#ifdef	 HAVE_GNU_LD

#include <gnu-stabs.h>

stub_warning(_exit);

#endif	/* GNU stabs.  */