elfhdr.h revision 330449
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1999 Global Technology Associates, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
22 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/usr.sbin/kgzip/elfhdr.h 330449 2018-03-05 07:26:05Z eadler $
29 */
30
31#include <sys/types.h>
32#define	__ELF_WORD_SIZE	32
33#include <sys/elf32.h>
34#include <sys/elf_generic.h>
35#include "kgz.h"
36
37/* Section header indices */
38#define KGZ_SH_SYMTAB		1
39#define KGZ_SH_SHSTRTAB 	2
40#define KGZ_SH_STRTAB		3
41#define KGZ_SH_DATA		4
42#define KGZ_SHNUM		5
43
44/* Section header strings */
45#define KGZ_SHSTR_ZERO		""
46#define KGZ_SHSTR_SYMTAB	".symtab"
47#define KGZ_SHSTR_SHSTRTAB	".shstrtab"
48#define KGZ_SHSTR_STRTAB	".strtab"
49#define KGZ_SHSTR_DATA		".data"
50
51/* Section header string table */
52struct kgz_shstrtab {
53    char zero[sizeof(KGZ_SHSTR_ZERO)];
54    char symtab[sizeof(KGZ_SHSTR_SYMTAB)];
55    char shstrtab[sizeof(KGZ_SHSTR_SHSTRTAB)];
56    char strtab[sizeof(KGZ_SHSTR_STRTAB)];
57    char data[sizeof(KGZ_SHSTR_DATA)];
58};
59
60/* Symbol table indices */
61#define KGZ_ST_KGZ		1
62#define KGZ_ST_KGZ_NDATA	2
63#define KGZ_STNUM		3
64
65/* Symbol table strings */
66#define KGZ_STR_ZERO		""
67#define KGZ_STR_KGZ		"kgz"
68#define KGZ_STR_KGZ_NDATA	"kgz_ndata"
69
70/* String table */
71struct kgz_strtab {
72    char zero[sizeof(KGZ_STR_ZERO)];
73    char kgz[sizeof(KGZ_STR_KGZ)];
74    char kgz_ndata[sizeof(KGZ_STR_KGZ_NDATA)];
75};
76
77/* Relocatable header format */
78struct kgz_elfhdr {
79    Elf32_Ehdr e;
80    Elf32_Shdr sh[KGZ_SHNUM];
81    Elf32_Sym st[KGZ_STNUM];
82    struct kgz_shstrtab shstrtab;
83    struct kgz_strtab strtab;
84};
85
86extern const struct kgz_elfhdr elfhdr;
87