1/* Copyright 2003-2021 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
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.
8
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.
13
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/>.  */
17
18#include <sysdep.h>
19
20#include <sys/asm.h>
21
22/* Sign-extend the ioctl number, since the kernel wants it as a
23   sign-extended 32-bit value, but our prototype is that of a long.  */
24
25	.text
26ENTRY (__ioctl)
27	sll a1, a1, 0
28	li v0, __NR_ioctl
29	syscall			/* Do the system call.  */
30	bne a3, zero, L(error)
31	ret
32
33L(error):
34	SETUP_GP64_REG (a0, __ioctl)
35	PTR_LA t9, __syscall_error
36	RESTORE_GP64_REG
37	jr t9
38
39PSEUDO_END (__ioctl)
40
41libc_hidden_def (__ioctl)
42weak_alias (__ioctl, ioctl)
43