1 /* $OpenBSD: auxv.h,v 1.1 2024/07/14 09:48:49 jca Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2017 Michal Meloun 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _SYS_AUXV_H_ 32 #define _SYS_AUXV_H_ 33 34 #include <sys/types.h> 35 #include <machine/elf.h> 36 37 /* Values for a_type. */ 38 #define AT_NULL 0 /* Terminates the vector. */ 39 #define AT_IGNORE 1 /* Ignored entry. */ 40 #define AT_PAGESZ 6 /* Page size in bytes. */ 41 #define AT_HWCAP 25 /* CPU feature flags. */ 42 #define AT_HWCAP2 26 /* CPU feature flags 2. */ 43 44 #define AT_COUNT 27 /* Count of defined aux entry types. */ 45 46 __BEGIN_DECLS 47 int elf_aux_info(int aux, void *buf, int buflen); 48 __END_DECLS 49 50 #endif /* !_SYS_AUXV_H_ */ 51