glibc/sysdeps/unix/sysv/linux/ia64/pipe.S
2002-04-05 16:41:13 +00:00

39 lines
1.3 KiB
ArmAsm

/* Copyright (C) 1999, 2000, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* __pipe is a special syscall since it returns two values. */
#include <sysdep.h>
ENTRY(__pipe)
st8 [sp]=r32 // save ptr across system call
DO_CALL (SYS_ify (pipe))
ld8 r2=[sp]
cmp.ne p6,p0=-1,r10
;;
(p6) st4 [r2]=r8,4
(p6) mov ret0=0
;;
(p6) st4 [r2]=r9
(p6) ret
br.cond.spnt.few __syscall_error
PSEUDO_END(__pipe)
weak_alias (__pipe, pipe)