1 /* Copyright (C) 1999-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
21 /* We are called like so:
22 {out0,out1,...,out6} registers -> {NR, arg1, ..., arg6}
23 Shift the register window so that {out1...out6} are available
24 in {out0...out5} like the kernel syscall handler expects. */
25 alloc r2=ar.pfs,1,0,8,0
26 mov r15=r32 /* syscall number */
27 break __IA64_BREAK_SYSCALL
29 cmp.ne p6,p0=-1,r10 /* r10 = -1 on error */
31 br.cond.spnt.few __syscall_error