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