Rev 854 | Rev 938 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
854 | bondari | 1 | /* |
2 | * Copyright (C) 2006 Sergey Bondari |
||
3 | * All rights reserved. |
||
4 | * |
||
5 | * Redistribution and use in source and binary forms, with or without |
||
6 | * modification, are permitted provided that the following conditions |
||
7 | * are met: |
||
8 | * |
||
9 | * - Redistributions of source code must retain the above copyright |
||
10 | * notice, this list of conditions and the following disclaimer. |
||
11 | * - Redistributions in binary form must reproduce the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer in the |
||
13 | * documentation and/or other materials provided with the distribution. |
||
14 | * - The name of the author may not be used to endorse or promote products |
||
15 | * derived from this software without specific prior written permission. |
||
16 | * |
||
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | */ |
||
28 | |||
910 | bondari | 29 | #include <elf.h> |
854 | bondari | 30 | |
31 | /** 32bit ELF loader |
||
32 | * |
||
33 | * @param header Pointer to ELF header in memory |
||
34 | * @param as Created and properly mapped address space |
||
35 | * @return EE_OK on success |
||
36 | */ |
||
37 | int elf32_load(__address header, as_t * as) { |
||
910 | bondari | 38 | elf32_header_t * e_header; |
39 | |||
40 | e_header = (elf32_header_t *) header; |
||
41 | |||
42 | /* Identify ELF */ |
||
43 | if ( e_header->e_ident[EI_MAG0] != ELFMAG0 || e_header->e_ident[EI_MAG1] != ELFMAG1 || |
||
44 | e_header->e_ident[EI_MAG2] != ELFMAG2 || e_header->e_ident[EI_MAG3] != ELFMAG3 |
||
45 | ) { |
||
46 | return EE_INVALID; |
||
47 | } |
||
48 | |||
49 | /* Identify ELF compatibility */ |
||
50 | if ( e_header->e_ident[EI_DATA] != ELF_DATA_ENCODING || e_header->e_machine != ELF_MACHINE || |
||
51 | e_header->e_ident[EI_VERSION] != EV_CURRENT || e_header->e_ident[EI_CLASS] != ELF_CLASS |
||
52 | ) { |
||
53 | return EE_UNSUPPORTED; |
||
54 | } |
||
55 | |||
56 | |||
57 | return EE_UNSUPPORTED; |
||
854 | bondari | 58 | } |