glibc/sysdeps/unix/sparc/vfork.S
Ulrich Drepper 84514bcbf2 Update.
* sysdeps/unix/sparc/vfork.S: Correct comment.
	* sysdeps/unix/sparc/fork.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Remove vfork.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/fork.S: No special case for
	child necessary.
	* sysdeps/unix/sysv/linux/sparc/sparc64/fork.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: New file.
	Patches by Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>.

	* sysdeps/libm-i387/s_fdim.S: Change fsubp to fsubrp for picky gas.
1999-01-29 12:01:59 +00:00

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1.3 KiB
ArmAsm

/* Copyright (C) 1991, 92, 94, 95, 97, 99 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 <sysdep.h>
#ifndef SYS_vfork
#define SYS_vfork 66
#endif
SYSCALL__ (vfork, 0)
/* %o1 is now 0 for the parent and 1 for the child. Decrement it to
make it -1 (all bits set) for the parent, and 0 (no bits set)
for the child. Then AND it with %o0, so the parent gets
%o0&-1==pid, and the child gets %o0&0==0. */
sub %o1, 1, %o1
retl
and %o0, %o1, %o0
weak_alias (__vfork, vfork)