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
|
#
# clone.S, part of the i960 support for the uClibc library.
#
# Copyright (C) 2002 by Okiok Data Ltd. http://www.okiok.com/
#
# This program 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.
#
# 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 Library General Public License for more
# details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# at 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Derived from an old port of uC-libc to the i960 by Keith Adams (kma@cse.ogi.edu).
#
#include <sys/syscall.h>
#ifndef __NR_vfork
#define __NR_vfork __NR_fork /* uClinux-2.0 only has fork which is vfork */
#endif
.globl _vfork
_vfork:
mov g13, r3
ldconst __NR_vfork, g13
calls 0
mov r3, g13
cmpible 0, g0, 1f
subo g0, 0, r3
st r3, _errno
1:
ret
|