Copy the CP, PTRIN, etc macros from freebsd32.h into a sys/abi_compat.h and replace existing definitation with includes where required. This eliminates duplicate code and allows Linux and FreeBSD compatability headers to be included in the same files. Input from: cem, jhb Obtained from: CheriBSD MFC after: 2 weeks Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D24275
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2001 Doug Rabson
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* All rights reserved.
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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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* $FreeBSD$
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*/
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#ifndef _COMPAT_H_
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#define _COMPAT_H_
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/*
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* Helper macros for translating objects between different ABIs.
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*/
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#define PTRIN(v) (void *)(uintptr_t)(v)
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#define PTROUT(v) (uintptr_t)(v)
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#define CP(src, dst, fld) do { \
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(dst).fld = (src).fld; \
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} while (0)
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#define CP2(src, dst, sfld, dfld) do { \
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(dst).dfld = (src).sfld; \
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} while (0)
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#define PTRIN_CP(src, dst, fld) do { \
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(dst).fld = PTRIN((src).fld); \
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} while (0)
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#define PTROUT_CP(src, dst, fld) do { \
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(dst).fld = PTROUT((src).fld); \
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} while (0)
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#define TV_CP(src, dst, fld) do { \
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CP((src).fld, (dst).fld, tv_sec); \
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CP((src).fld, (dst).fld, tv_usec); \
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} while (0)
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#define TS_CP(src, dst, fld) do { \
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CP((src).fld, (dst).fld, tv_sec); \
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CP((src).fld, (dst).fld, tv_nsec); \
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} while (0)
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#define ITS_CP(src, dst) do { \
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TS_CP((src), (dst), it_interval); \
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TS_CP((src), (dst), it_value); \
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} while (0)
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#define BT_CP(src, dst, fld) do { \
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CP((src).fld, (dst).fld, sec); \
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*(uint64_t *)&(dst).fld.frac[0] = (src).fld.frac; \
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} while (0)
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#endif /* !_COMPAT_H_ */
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