diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc/vfork.S')
| -rw-r--r-- | libc/sysdeps/linux/sparc/vfork.S | 48 |
1 files changed, 35 insertions, 13 deletions
diff --git a/libc/sysdeps/linux/sparc/vfork.S b/libc/sysdeps/linux/sparc/vfork.S index 2aef09ab1..0df960d65 100644 --- a/libc/sysdeps/linux/sparc/vfork.S +++ b/libc/sysdeps/linux/sparc/vfork.S @@ -3,28 +3,50 @@ Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999. 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. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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. + Lesser 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. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ /* Code taken from glibc2.2.2/sysdeps/unix/sysv/linux/sparc/vfork.S */ -#include "sysdep.h" +#include <sys/syscall.h> -PSEUDO (__vfork, vfork, 0) +#ifndef __NR_vfork +/* uClinux-2.0 only has fork which is really vfork */ +#define __NR_vfork __NR_fork +#endif + +.text; +.global vfork; +.align 4; +.type vfork,@function; + +vfork: + mov __NR_vfork, %g1 + ta 0x10 + bcc,a 9000f + nop + save %sp,-96,%sp + call __errno_location + nop + st %i0,[%o0] + jmpl %i7+8,%g0 + restore %g0,-1,%o0 + +9000: sub %o1, 1, %o1 retl - and %o0, %o1, %o0 + and %o0, %o1, %o0 + +.size vfork,.-vfork; -.size __vfork,.-__vfork -.weak vfork; vfork = __vfork; |