glibc/sysdeps/unix/sysv/linux/ia64/syscall.S

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/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>.
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.h>
ENTRY(syscall)
alloc r2=ar.pfs,1,0,8,0
mov r15=r32 /* syscall number */
break __BREAK_SYSCALL
;;
cmp.ne p6,p0=-1,r10 /* r10 = -1 on error */
(p6) ret
br.cond.spnt.few __syscall_error
PSEUDO_END(syscall)