/*
* Copyright (C) 2006 Sergey Bondari
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include <elf.h>
/** 32bit ELF loader
*
* @param header Pointer to ELF header in memory
* @param as Created and properly mapped address space
* @return EE_OK on success
*/
int elf32_load(__address header, as_t * as) {
elf32_header_t * e_header;
e_header = (elf32_header_t *) header;
/* Identify ELF */
if ( e_header->e_ident[EI_MAG0] != ELFMAG0 || e_header->e_ident[EI_MAG1] != ELFMAG1 ||
e_header->e_ident[EI_MAG2] != ELFMAG2 || e_header->e_ident[EI_MAG3] != ELFMAG3
) {
return EE_INVALID;
}
/* Identify ELF compatibility */
if ( e_header->e_ident[EI_DATA] != ELF_DATA_ENCODING || e_header->e_machine != ELF_MACHINE ||
e_header->e_ident[EI_VERSION] != EV_CURRENT || e_header->e_ident[EI_CLASS] != ELF_CLASS
) {
return EE_UNSUPPORTED;
}
return EE_UNSUPPORTED;
}