1d5effb01SKonstantin Belousov /*- 2632227a7SKonstantin Belousov * Copyright (c) 2015-2018 The FreeBSD Foundation 3d5effb01SKonstantin Belousov * 4d5effb01SKonstantin Belousov * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 5d5effb01SKonstantin Belousov * under sponsorship from the FreeBSD Foundation. 6d5effb01SKonstantin Belousov * 7d5effb01SKonstantin Belousov * Redistribution and use in source and binary forms, with or without 8d5effb01SKonstantin Belousov * modification, are permitted provided that the following conditions 9d5effb01SKonstantin Belousov * are met: 10d5effb01SKonstantin Belousov * 1. Redistributions of source code must retain the above copyright 11d5effb01SKonstantin Belousov * notice, this list of conditions and the following disclaimer. 12d5effb01SKonstantin Belousov * 2. Redistributions in binary form must reproduce the above copyright 13d5effb01SKonstantin Belousov * notice, this list of conditions and the following disclaimer in the 14d5effb01SKonstantin Belousov * documentation and/or other materials provided with the distribution. 15d5effb01SKonstantin Belousov * 16d5effb01SKonstantin Belousov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17d5effb01SKonstantin Belousov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18d5effb01SKonstantin Belousov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19d5effb01SKonstantin Belousov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20d5effb01SKonstantin Belousov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21d5effb01SKonstantin Belousov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22d5effb01SKonstantin Belousov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23d5effb01SKonstantin Belousov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24d5effb01SKonstantin Belousov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25d5effb01SKonstantin Belousov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26d5effb01SKonstantin Belousov * SUCH DAMAGE. 27d5effb01SKonstantin Belousov */ 28d5effb01SKonstantin Belousov 29d5effb01SKonstantin Belousov #ifndef __X86_IFUNC_H 30d5effb01SKonstantin Belousov #define __X86_IFUNC_H 31d5effb01SKonstantin Belousov 32*7c5a46a1SKonstantin Belousov #define DEFINE_IFUNC(qual, ret_type, name, args) \ 33*7c5a46a1SKonstantin Belousov static ret_type (*name##_resolver(void))args __used; \ 34d5effb01SKonstantin Belousov qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ 35*7c5a46a1SKonstantin Belousov static ret_type (*name##_resolver(void))args 36d5effb01SKonstantin Belousov 37*7c5a46a1SKonstantin Belousov #define DEFINE_UIFUNC(qual, ret_type, name, args) \ 38*7c5a46a1SKonstantin Belousov static ret_type (*name##_resolver(uint32_t, uint32_t, uint32_t, \ 39*7c5a46a1SKonstantin Belousov uint32_t))args __used; \ 40632227a7SKonstantin Belousov qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ 41*7c5a46a1SKonstantin Belousov static ret_type (*name##_resolver( \ 42632227a7SKonstantin Belousov uint32_t cpu_feature __unused, \ 43632227a7SKonstantin Belousov uint32_t cpu_feature2 __unused, \ 44632227a7SKonstantin Belousov uint32_t cpu_stdext_feature __unused, \ 45632227a7SKonstantin Belousov uint32_t cpu_stdext_feature2 __unused))args 46632227a7SKonstantin Belousov 47d5effb01SKonstantin Belousov #endif 48