1272343Sngie/*- 2272343Sngie * Copyright (c) 2014 The NetBSD Foundation, Inc. 3272343Sngie * All rights reserved. 4272343Sngie * 5272343Sngie * This code is derived from software contributed to The NetBSD Foundation 6272343Sngie * by Joerg Sonnenberger. 7272343Sngie * 8272343Sngie * Redistribution and use in source and binary forms, with or without 9272343Sngie * modification, are permitted provided that the following conditions 10272343Sngie * are met: 11272343Sngie * 1. Redistributions of source code must retain the above copyright 12272343Sngie * notice, this list of conditions and the following disclaimer. 13272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer in the 15272343Sngie * documentation and/or other materials provided with the distribution. 16272343Sngie * 17272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27272343Sngie * POSSIBILITY OF SUCH DAMAGE. 28272343Sngie */ 29272343Sngie 30272343Sngie#include <stdlib.h> 31272343Sngie#include <string.h> 32272343Sngie 33272343Sngiestatic int 34272343Sngieifunc1(void) 35272343Sngie{ 36272343Sngie return 0xdeadbeef; 37272343Sngie} 38272343Sngie 39272343Sngiestatic int 40272343Sngieifunc2(void) 41272343Sngie{ 42272343Sngie return 0xbeefdead; 43272343Sngie} 44272343Sngie 45272343Sngiestatic __attribute__((used)) 46272343Sngieint (*resolve_ifunc(void))(void) 47272343Sngie{ 48272343Sngie const char *e = getenv("USE_IFUNC2"); 49272343Sngie return e && strcmp(e, "1") == 0 ? ifunc2 : ifunc1; 50272343Sngie} 51272343Sngie 52272343Sngie__ifunc(ifunc, resolve_ifunc); 53