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| author | Ulrich Drepper <drepper@redhat.com> | 2004-03-10 23:14:28 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-10 23:14:28 +0000 |
| commit | d682a515f1a83e557d694c35e011f06269528ae1 (patch) | |
| tree | 59fe6752e49defa23929da380f4959ec8d53161c /nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S | |
| parent | d3a4a571c42d14ad2dfbe8c06bdf02b74d012e94 (diff) | |
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Update.
2004-03-10 Ulrich Drepper <drepper@redhat.com>
* posix/getopt.c (_): Don't define here for glibc.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S new file mode 100644 index 0000000000..4820ecac21 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S @@ -0,0 +1,55 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + The GNU C Library is free software; you can redistribute it and/or + 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 + Lesser General Public License for more details. + + 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. */ + +#include <sysdep-cancel.h> +#define _ERRNO_H 1 +#include <bits/errno.h> +#include <kernel-features.h> +#include <tcb-offsets.h> + +/* Clone the calling process, but without copying the whole address space. + The calling process is suspended until the new process exits or is + replaced by a call to `execve'. Return -1 for errors, 0 to the new process, + and the process ID of the new process to the old process. */ + +ENTRY (__vfork) + lwz 0,PID(13) + cmpwi 0,0,0 + neg 0,0 + bne- 0,1f + lis 0,0x8000 +1: stw 0,PID(13) + + DO_CALL (SYS_ify (vfork)) + + cmpwi 1,3,0 + beqlr- 1 + + lwz 0,PID(13) + clrlwi 4,0,1 + cmpwi 1,4,0 + beq- 1,1f + neg 4,0 +1: stw 4,PID(13) + + PSEUDO_RET + +PSEUDO_END (__vfork) + +weak_alias (__vfork, vfork) |