freebsd-dev/usr.sbin/kgzip/elfhdr.c

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/*
* Copyright (c) 1999 Global Technology Associates, Inc.
* 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.
*
1999-08-28 01:35:59 +00:00
* $FreeBSD$
*/
#include <sys/endian.h>
#include <stddef.h>
#include "elfhdr.h"
#define KGZ_FIX_NSIZE 0 /* Run-time fixup */
/*
* Relocatable header template.
*/
const struct kgz_elfhdr elfhdr = {
/* ELF header */
{
{
ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */
ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
},
htole16(ET_EXEC), /* e_type */
htole16(EM_386), /* e_machine */
htole32(EV_CURRENT), /* e_version */
0, /* e_entry */
0, /* e_phoff */
htole32(offsetof(struct kgz_elfhdr, sh)), /* e_shoff */
0, /* e_flags */
htole16(sizeof(Elf32_Ehdr)), /* e_ehsize */
0, /* e_phentsize */
0, /* e_phnum */
htole16(sizeof(Elf32_Shdr)), /* e_shentsize */
htole16(KGZ_SHNUM), /* e_shnum */
htole16(KGZ_SH_SHSTRTAB) /* e_shstrndx */
},
/* Section header */
{
{
0, /* sh_name */
htole32(SHT_NULL), /* sh_type */
0, /* sh_flags */
0, /* sh_addr */
0, /* sh_offset */
0, /* sh_size */
htole32(SHN_UNDEF), /* sh_link */
0, /* sh_info */
0, /* sh_addralign */
0 /* sh_entsize */
},
{
htole32(offsetof(struct kgz_shstrtab, symtab)), /* sh_name */
htole32(SHT_SYMTAB), /* sh_type */
0, /* sh_flags */
0, /* sh_addr */
htole32(offsetof(struct kgz_elfhdr, st)), /* sh_offset */
htole32(sizeof(Elf32_Sym) * KGZ_STNUM), /* sh_size */
htole32(KGZ_SH_STRTAB), /* sh_link */
htole32(1), /* sh_info */
htole32(4), /* sh_addralign */
htole32(sizeof(Elf32_Sym)) /* sh_entsize */
},
{
htole32(offsetof(struct kgz_shstrtab, shstrtab)), /* sh_name */
htole32(SHT_STRTAB), /* sh_type */
0, /* sh_flags */
0, /* sh_addr */
htole32(offsetof(struct kgz_elfhdr, shstrtab)), /* sh_offset */
htole32(sizeof(struct kgz_shstrtab)), /* sh_size */
htole32(SHN_UNDEF), /* sh_link */
0, /* sh_info */
htole32(1), /* sh_addralign */
0 /* sh_entsize */
},
{
htole32(offsetof(struct kgz_shstrtab, strtab)), /* sh_name */
htole32(SHT_STRTAB), /* sh_type */
0, /* sh_flags */
0, /* sh_addr */
htole32(offsetof(struct kgz_elfhdr, strtab)), /* sh_offset */
htole32(sizeof(struct kgz_strtab)), /* sh_size */
htole32(SHN_UNDEF), /* sh_link */
0, /* sh_info */
htole32(1), /* sh_addralign */
0 /* sh_entsize */
},
{
htole32(offsetof(struct kgz_shstrtab, data)), /* sh_name */
htole32(SHT_PROGBITS), /* sh_type */
htole32(SHF_ALLOC | SHF_WRITE), /* sh_flags */
0, /* sh_addr */
htole32(sizeof(struct kgz_elfhdr)), /* sh_offset */
htole32(sizeof(struct kgz_hdr) + KGZ_FIX_NSIZE), /* sh_size */
htole32(SHN_UNDEF), /* sh_link */
0, /* sh_info */
htole32(4), /* sh_addralign */
0 /* sh_entsize */
}
},
/* Symbol table */
{
{
0, /* st_name */
0, /* st_value */
0, /* st_size */
0, /* st_info */
0, /* st_other */
htole16(SHN_UNDEF) /* st_shndx */
},
{
htole32(offsetof(struct kgz_strtab, kgz)), /* st_name */
0, /* st_value */
htole32(sizeof(struct kgz_hdr)), /* st_size */
ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */
0, /* st_other */
htole16(KGZ_SH_DATA) /* st_shndx */
},
{
htole32(offsetof(struct kgz_strtab, kgz_ndata)), /* st_name */
htole32(sizeof(struct kgz_hdr)), /* st_value */
htole32(KGZ_FIX_NSIZE), /* st_size */
ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */
0, /* st_other */
htole16(KGZ_SH_DATA) /* st_shndx */
}
},
/* Section header string table */
{
KGZ_SHSTR_ZERO, /* zero */
KGZ_SHSTR_SYMTAB, /* symtab */
KGZ_SHSTR_SHSTRTAB, /* shstrtab */
KGZ_SHSTR_STRTAB, /* strtab */
KGZ_SHSTR_DATA /* data */
},
/* String table */
{
KGZ_STR_ZERO, /* zero */
KGZ_STR_KGZ, /* kgz */
KGZ_STR_KGZ_NDATA /* kgz_ndata */
}
};