1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2019 Brandon Bergren <bdragon@FreeBSD.org>
 5 * Copyright (c) 2015-2018 The FreeBSD Foundation. All rights reserved.
 6 *
 7 * Part of this software was developed by
 8 * Konstantin Belousov <kib@FreeBSD.org>
 9 * under sponsorship from the FreeBSD Foundation.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef __POWERPC_IFUNC_H
34#define	__POWERPC_IFUNC_H
35
36#include <sys/types.h>
37
38#define	DEFINE_IFUNC(qual, ret_type, name, args)			\
39    static ret_type (*name##_resolver(void))args __used;		\
40    qual ret_type name args __attribute__((ifunc(#name "_resolver")));	\
41    static ret_type (*name##_resolver(void))args
42
43#define	DEFINE_UIFUNC(qual, ret_type, name, args)			\
44    static ret_type (*name##_resolver(register_t, register_t,		\
45	register_t, register_t, register_t, register_t, register_t,	\
46	register_t))args __used;					\
47    qual ret_type name args __attribute__((ifunc(#name "_resolver")));	\
48    static ret_type (*name##_resolver(					\
49	register_t cpu_features,					\
50	register_t cpu_features2,					\
51	register_t arg3 __unused,					\
52	register_t arg4 __unused,					\
53	register_t arg5 __unused,					\
54	register_t arg6 __unused,					\
55	register_t arg7 __unused,					\
56	register_t arg8 __unused))args
57
58#endif