1/* $OpenBSD: aa.c,v 1.3 2024/08/23 12:56:26 anton Exp $ */ 2 3/* 4 * Copyright (c) 2007 Kurt Miller <kurt@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19#include <err.h> 20 21void *hidden_check = &hidden_check; 22__asm(".hidden hidden_check"); 23 24extern void *libaa_hidden_val; 25 26void test_aa() 27{ 28 libaa_hidden_val = hidden_check; 29 if (hidden_check != &hidden_check) 30 errx(1, "libaa: hidden_check != &hidden_check"); 31} 32