glibc/sysdeps/unix/sysv/linux/ia64/pipe.S
2014-02-16 01:12:38 -05:00

38 lines
1.2 KiB
ArmAsm

/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Mosberger <davidm@hpl.hp.com>
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, see
<http://www.gnu.org/licenses/>. */
/* __pipe is a special syscall since it returns two values. */
#include <sysdep.h>
ENTRY(__pipe)
.regstk 1,0,0,0
DO_CALL (SYS_ify (pipe))
cmp.ne p6,p0=-1,r10
;;
(p6) st4 [in0]=r8,4
(p6) mov ret0=0
;;
(p6) st4 [in0]=r9
(p6) ret
br.cond.spnt.few __syscall_error
PSEUDO_END(__pipe)
libc_hidden_def (__pipe)
weak_alias (__pipe, pipe)