diff options
Diffstat (limited to 'libc/sysdeps/linux/i960/vfork.S')
| -rw-r--r-- | libc/sysdeps/linux/i960/vfork.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i960/vfork.S b/libc/sysdeps/linux/i960/vfork.S new file mode 100644 index 000000000..f519b66fe --- /dev/null +++ b/libc/sysdeps/linux/i960/vfork.S @@ -0,0 +1,40 @@ +# +# 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 + |