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/* Copyright (C) 1999-2022 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 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
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
ENTRY(syscall)
/* We are called like so:
{out0,out1,...,out6} registers -> {NR, arg1, ..., arg6}
Shift the register window so that {out1...out6} are available
in {out0...out5} like the kernel syscall handler expects. */
alloc r2=ar.pfs,1,0,8,0
mov r15=r32 /* syscall number */
break __IA64_BREAK_SYSCALL
;;
cmp.ne p6,p0=-1,r10 /* r10 = -1 on error */
(p6) ret
br.cond.spnt.few __syscall_error
PSEUDO_END(syscall)
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