1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 29 #ifndef _COMPAT_H_ 30 #define _COMPAT_H_ 31 32 /* 33 * Helper macros for translating objects between different ABIs. 34 */ 35 36 #define PTRIN(v) (void *)(uintptr_t)(v) 37 #define PTROUT(v) (uintptr_t)(v) 38 39 #define CP(src, dst, fld) do { \ 40 (dst).fld = (src).fld; \ 41 } while (0) 42 43 #define CP2(src, dst, sfld, dfld) do { \ 44 (dst).dfld = (src).sfld; \ 45 } while (0) 46 47 #define PTRIN_CP(src, dst, fld) do { \ 48 (dst).fld = PTRIN((src).fld); \ 49 } while (0) 50 51 #define PTROUT_CP(src, dst, fld) do { \ 52 (dst).fld = PTROUT((src).fld); \ 53 } while (0) 54 55 #define TV_CP(src, dst, fld) do { \ 56 CP((src).fld, (dst).fld, tv_sec); \ 57 CP((src).fld, (dst).fld, tv_usec); \ 58 } while (0) 59 60 #define TS_CP(src, dst, fld) do { \ 61 CP((src).fld, (dst).fld, tv_sec); \ 62 CP((src).fld, (dst).fld, tv_nsec); \ 63 } while (0) 64 65 #define ITS_CP(src, dst) do { \ 66 TS_CP((src), (dst), it_interval); \ 67 TS_CP((src), (dst), it_value); \ 68 } while (0) 69 70 #define BT_CP(src, dst, fld) do { \ 71 CP((src).fld, (dst).fld, sec); \ 72 *(uint64_t *)&(dst).fld.frac[0] = (src).fld.frac; \ 73 } while (0) 74 75 #endif /* !_COMPAT_H_ */ 76