1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _COMPAT_H_ 32 #define _COMPAT_H_ 33 34 /* 35 * Helper macros for translating objects between different ABIs. 36 */ 37 38 #define PTRIN(v) (void *)(uintptr_t)(v) 39 #define PTROUT(v) (uintptr_t)(v) 40 41 #define CP(src, dst, fld) do { \ 42 (dst).fld = (src).fld; \ 43 } while (0) 44 45 #define CP2(src, dst, sfld, dfld) do { \ 46 (dst).dfld = (src).sfld; \ 47 } while (0) 48 49 #define PTRIN_CP(src, dst, fld) do { \ 50 (dst).fld = PTRIN((src).fld); \ 51 } while (0) 52 53 #define PTROUT_CP(src, dst, fld) do { \ 54 (dst).fld = PTROUT((src).fld); \ 55 } while (0) 56 57 #define TV_CP(src, dst, fld) do { \ 58 CP((src).fld, (dst).fld, tv_sec); \ 59 CP((src).fld, (dst).fld, tv_usec); \ 60 } while (0) 61 62 #define TS_CP(src, dst, fld) do { \ 63 CP((src).fld, (dst).fld, tv_sec); \ 64 CP((src).fld, (dst).fld, tv_nsec); \ 65 } while (0) 66 67 #define ITS_CP(src, dst) do { \ 68 TS_CP((src), (dst), it_interval); \ 69 TS_CP((src), (dst), it_value); \ 70 } while (0) 71 72 #define BT_CP(src, dst, fld) do { \ 73 CP((src).fld, (dst).fld, sec); \ 74 *(uint64_t *)&(dst).fld.frac[0] = (src).fld.frac; \ 75 } while (0) 76 77 #endif /* !_COMPAT_H_ */ 78