105783228SBrandon Bergren /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 305783228SBrandon Bergren * 405783228SBrandon Bergren * Copyright (c) 2019 Brandon Bergren <bdragon@FreeBSD.org> 505783228SBrandon Bergren * Copyright (c) 2015-2018 The FreeBSD Foundation. All rights reserved. 605783228SBrandon Bergren * 705783228SBrandon Bergren * Part of this software was developed by 805783228SBrandon Bergren * Konstantin Belousov <kib@FreeBSD.org> 905783228SBrandon Bergren * under sponsorship from the FreeBSD Foundation. 1005783228SBrandon Bergren * 1105783228SBrandon Bergren * Redistribution and use in source and binary forms, with or without 1205783228SBrandon Bergren * modification, are permitted provided that the following conditions 1305783228SBrandon Bergren * are met: 1405783228SBrandon Bergren * 1. Redistributions of source code must retain the above copyright 1505783228SBrandon Bergren * notice, this list of conditions and the following disclaimer. 1605783228SBrandon Bergren * 2. Redistributions in binary form must reproduce the above copyright 1705783228SBrandon Bergren * notice, this list of conditions and the following disclaimer in the 1805783228SBrandon Bergren * documentation and/or other materials provided with the distribution. 1905783228SBrandon Bergren * 2005783228SBrandon Bergren * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2105783228SBrandon Bergren * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2205783228SBrandon Bergren * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2305783228SBrandon Bergren * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2405783228SBrandon Bergren * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2505783228SBrandon Bergren * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2605783228SBrandon Bergren * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2705783228SBrandon Bergren * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2805783228SBrandon Bergren * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2905783228SBrandon Bergren * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3005783228SBrandon Bergren * SUCH DAMAGE. 3105783228SBrandon Bergren */ 3205783228SBrandon Bergren 3305783228SBrandon Bergren #ifndef __POWERPC_IFUNC_H 3405783228SBrandon Bergren #define __POWERPC_IFUNC_H 3505783228SBrandon Bergren 3605783228SBrandon Bergren #include <sys/types.h> 3705783228SBrandon Bergren 3805783228SBrandon Bergren #define DEFINE_IFUNC(qual, ret_type, name, args) \ 3905783228SBrandon Bergren static ret_type (*name##_resolver(void))args __used; \ 4005783228SBrandon Bergren qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ 4105783228SBrandon Bergren static ret_type (*name##_resolver(void))args 4205783228SBrandon Bergren 4305783228SBrandon Bergren #define DEFINE_UIFUNC(qual, ret_type, name, args) \ 4405783228SBrandon Bergren static ret_type (*name##_resolver(register_t, register_t, \ 4505783228SBrandon Bergren register_t, register_t, register_t, register_t, register_t, \ 4605783228SBrandon Bergren register_t))args __used; \ 4705783228SBrandon Bergren qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ 4805783228SBrandon Bergren static ret_type (*name##_resolver( \ 4905783228SBrandon Bergren register_t cpu_features, \ 5005783228SBrandon Bergren register_t cpu_features2, \ 5105783228SBrandon Bergren register_t arg3 __unused, \ 5205783228SBrandon Bergren register_t arg4 __unused, \ 5305783228SBrandon Bergren register_t arg5 __unused, \ 5405783228SBrandon Bergren register_t arg6 __unused, \ 5505783228SBrandon Bergren register_t arg7 __unused, \ 5605783228SBrandon Bergren register_t arg8 __unused))args 5705783228SBrandon Bergren 5805783228SBrandon Bergren #endif 59