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elf.c revision 1.2.4.2 
      1 /*	$NetBSD: elf.c,v 1.2.4.2 2014/05/22 15:44:46 yamt 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 1.2.4.2 2014/05/22 15:44:46 yamt Exp $");
     34 ELFTC_VCSID("Id: elf.c 2225 2011-11-26 18:55:54Z jkoshy ");
     35 
     36 struct _libelf_globals _libelf = {
     37 	.libelf_error		= 0,
     38 	.libelf_fillchar	= 0,
     39 	.libelf_version		= EV_NONE
     40 };
     41 
     42 unsigned 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