minix/external/bsd/libelf/dist/libelf.c

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/* $NetBSD: libelf.c,v 1.7 2010/02/22 10:48:32 darran Exp $ */
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/*-
* Copyright (c) 2006 Joseph Koshy
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if HAVE_NBTOOL_CONFIG_H
# include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
/* __FBSDID("$FreeBSD: src/lib/libelf/libelf.c,v 1.1.10.1.2.1 2009/10/25 01:10:29 kensmith Exp $"); */
#include <sys/param.h>
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#include <libelf.h>
#include "_libelf.h"
struct _libelf_globals _libelf = {
.libelf_error = 0,
.libelf_fillchar = 0,
.libelf_version = EV_NONE
};
unsigned int
_libelf_host_byteorder(void)
{
static union {
uint32_t val;
uint8_t bytes[4];
} byte_order_check = {
.val = 0xdeadbeef,
};
return (byte_order_check.bytes[0] == 0xef ? ELFDATA2LSB : ELFDATA2MSB);
}
#if defined(LIBELF_TEST_HOOKS)
int
_libelf_get_elf_class(Elf *elf)
{
return elf->e_class;
}
void
_libelf_set_elf_class(Elf *elf, int c)
{
elf->e_class = c;
}
#endif /* LIBELF_TEST_HOOKS */