freebsd-nq/usr.sbin/btxld/elfh.c
1999-08-28 01:35:59 +00:00

123 lines
3.9 KiB
C

/*
* Copyright (c) 1998 Robert Nordier
* 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.
*
* $FreeBSD$
*/
#include <stddef.h>
#include "elfh.h"
#define SET_ME 0xeeeeeeee /* filled in by btxld */
/*
* ELF header template.
*/
const struct elfh elfhdr = {
{
{
ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */
ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
},
ET_EXEC, /* e_type */
EM_386, /* e_machine */
EV_CURRENT, /* e_version */
SET_ME, /* e_entry */
offsetof(struct elfh, p), /* e_phoff */
offsetof(struct elfh, sh), /* e_shoff */
0, /* e_flags */
sizeof(elfhdr.e), /* e_ehsize */
sizeof(elfhdr.p[0]), /* e_phentsize */
sizeof(elfhdr.p) / sizeof(elfhdr.p[0]), /* e_phnum */
sizeof(elfhdr.sh[0]), /* e_shentsize */
sizeof(elfhdr.sh) / sizeof(elfhdr.sh[0]), /* e_shnum */
1 /* e_shstrndx */
},
{
{
PT_LOAD, /* p_type */
sizeof(elfhdr), /* p_offset */
SET_ME, /* p_vaddr */
SET_ME, /* p_paddr */
SET_ME, /* p_filesz */
SET_ME, /* p_memsz */
PF_R | PF_X, /* p_flags */
0x1000 /* p_align */
},
{
PT_LOAD, /* p_type */
SET_ME, /* p_offset */
SET_ME, /* p_vaddr */
SET_ME, /* p_paddr */
SET_ME, /* p_filesz */
SET_ME, /* p_memsz */
PF_R | PF_W, /* p_flags */
0x1000 /* p_align */
}
},
{
{
0, SHT_NULL, 0, 0, 0, 0, SHN_UNDEF, 0, 0, 0
},
{
1, /* sh_name */
SHT_STRTAB, /* sh_type */
0, /* sh_flags */
0, /* sh_addr */
offsetof(struct elfh, shstrtab), /* sh_offset */
sizeof(elfhdr.shstrtab), /* sh_size */
SHN_UNDEF, /* sh_link */
0, /* sh_info */
1, /* sh_addralign */
0 /* sh_entsize */
},
{
0xb, /* sh_name */
SHT_PROGBITS, /* sh_type */
SHF_EXECINSTR | SHF_ALLOC, /* sh_flags */
SET_ME, /* sh_addr */
SET_ME, /* sh_offset */
SET_ME, /* sh_size */
SHN_UNDEF, /* sh_link */
0, /* sh_info */
4, /* sh_addralign */
0 /* sh_entsize */
},
{
0x11, /* sh_name */
SHT_PROGBITS, /* sh_type */
SHF_ALLOC | SHF_WRITE, /* sh_flags */
SET_ME, /* sh_addr */
SET_ME, /* sh_offset */
SET_ME, /* sh_size */
SHN_UNDEF, /* sh_link */
0, /* sh_info */
4, /* sh_addralign */
0 /* sh_entsize */
}
},
"\0.shstrtab\0.text\0.data" /* shstrtab */
};