mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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8afae0caf4
Reviewed by: kib, mhorne MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D46279
50 lines
2.4 KiB
C
50 lines
2.4 KiB
C
/*-
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* Copyright (c) 2015-2018 The FreeBSD Foundation
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* Copyright (c) 2024 Jessica Clarke <jrtc27@FreeBSD.org>
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*
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* Part of this software was developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __RISCV_IFUNC_H
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#define __RISCV_IFUNC_H
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#define DEFINE_IFUNC(qual, ret_type, name, args) \
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static ret_type (*name##_resolver(void))args __used; \
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qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \
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static ret_type (*name##_resolver(void))args
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#define DEFINE_UIFUNC(qual, ret_type, name, args) \
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static ret_type (*name##_resolver(unsigned long, unsigned long, \
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unsigned long, unsigned long, unsigned long, unsigned long, \
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unsigned long, unsigned long))args __used; \
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qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \
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static ret_type (*name##_resolver(unsigned long elf_hwcap __unused, \
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unsigned long _arg2 __unused, unsigned long _arg3 __unused, \
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unsigned long _arg4 __unused, unsigned long _arg5 __unused, \
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unsigned long _arg6 __unused, unsigned long _arg7 __unused, \
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unsigned long _arg8 __unused))args
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#endif
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