xref: /openbsd/regress/libexec/ld.so/hidden/libab/ab.c (revision 6822f9c8)

/*      $OpenBSD: ab.c,v 1.3 2024/08/23 12:56:26 anton Exp $       */

/*
 * Copyright (c) 2007 Kurt Miller <kurt@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <err.h>

void *hidden_check = &hidden_check;
__asm(".hidden hidden_check");

extern void *libab_hidden_val;

void test_ab()
{
	libab_hidden_val = hidden_check;
	if (hidden_check != &hidden_check)
		errx(1, "libab: hidden_check != &hidden_check");
}