elf.c revision 1.4 
1/*	$NetBSD: elf.c,v 1.4 2022/05/01 19:41:35 jkoshy Exp $	*/
2
3/*-
4 * Copyright (c) 2006,2008,2011 Joseph Koshy
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <libelf.h>
30
31#include "_libelf.h"
32
33__RCSID("$NetBSD: elf.c,v 1.4 2022/05/01 19:41:35 jkoshy Exp $");
34ELFTC_VCSID("Id: elf.c 2225 2011-11-26 18:55:54Z jkoshy");
35
36struct _libelf_globals _libelf = {
37	.libelf_error		= 0,
38	.libelf_fillchar	= 0,
39	.libelf_version		= EV_NONE
40};
41
42unsigned int
43_libelf_host_byteorder(void)
44{
45	static union {
46		uint32_t	val;
47		uint8_t		bytes[4];
48	} byte_order_check = {
49		.val	=	0xdeadbeef,
50	};
51
52	return (byte_order_check.bytes[0] == 0xef ? ELFDATA2LSB : ELFDATA2MSB);
53}
54