7c5a46a1bc
In all practical situations, the resolver visibility is static. Requested by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Approved by: so (emaste) Differential revision: https://reviews.freebsd.org/D20281
51 lines
2.2 KiB
C
51 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 2015-2018 The FreeBSD Foundation
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by Konstantin Belousov <kib@FreeBSD.org>
|
|
* under sponsorship from the FreeBSD Foundation.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef __X86_IFUNC_H
|
|
#define __X86_IFUNC_H
|
|
|
|
#define DEFINE_IFUNC(qual, ret_type, name, args) \
|
|
static ret_type (*name##_resolver(void))args __used; \
|
|
qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \
|
|
static ret_type (*name##_resolver(void))args
|
|
|
|
#define DEFINE_UIFUNC(qual, ret_type, name, args) \
|
|
static ret_type (*name##_resolver(uint32_t, uint32_t, uint32_t, \
|
|
uint32_t))args __used; \
|
|
qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \
|
|
static ret_type (*name##_resolver( \
|
|
uint32_t cpu_feature __unused, \
|
|
uint32_t cpu_feature2 __unused, \
|
|
uint32_t cpu_stdext_feature __unused, \
|
|
uint32_t cpu_stdext_feature2 __unused))args
|
|
|
|
#endif
|