0,0 → 1,58 |
/* |
* 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; |
} |