usr.sbin/kgzip/elfhdr.h

   1 /*
   2  * Copyright (c) 1999 Global Technology Associates, Inc.
   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  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
  18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  19  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  20  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  21  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  23  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include <sys/types.h>
  30 #define __ELF_WORD_SIZE 32
  31 #include <sys/elf32.h>
  32 #include <sys/elf_generic.h>
  33 #include "kgz.h"
  34
  35 /* Section header indices */
  36 #define KGZ_SH_SYMTAB           1
  37 #define KGZ_SH_SHSTRTAB         2
  38 #define KGZ_SH_STRTAB           3
  39 #define KGZ_SH_DATA             4
  40 #define KGZ_SHNUM               5
  41
  42 /* Section header strings */
  43 #define KGZ_SHSTR_ZERO          ""
  44 #define KGZ_SHSTR_SYMTAB        ".symtab"
  45 #define KGZ_SHSTR_SHSTRTAB      ".shstrtab"
  46 #define KGZ_SHSTR_STRTAB        ".strtab"
  47 #define KGZ_SHSTR_DATA          ".data"
  48
  49 /* Section header string table */
  50 struct kgz_shstrtab {
  51     char zero[sizeof(KGZ_SHSTR_ZERO)];
  52     char symtab[sizeof(KGZ_SHSTR_SYMTAB)];
  53     char shstrtab[sizeof(KGZ_SHSTR_SHSTRTAB)];
  54     char strtab[sizeof(KGZ_SHSTR_STRTAB)];
  55     char data[sizeof(KGZ_SHSTR_DATA)];
  56 };
  57
  58 /* Symbol table indices */
  59 #define KGZ_ST_KGZ              1
  60 #define KGZ_ST_KGZ_NDATA        2
  61 #define KGZ_STNUM               3
  62
  63 /* Symbol table strings */
  64 #define KGZ_STR_ZERO            ""
  65 #define KGZ_STR_KGZ             "kgz"
  66 #define KGZ_STR_KGZ_NDATA       "kgz_ndata"
  67
  68 /* String table */
  69 struct kgz_strtab {
  70     char zero[sizeof(KGZ_STR_ZERO)];
  71     char kgz[sizeof(KGZ_STR_KGZ)];
  72     char kgz_ndata[sizeof(KGZ_STR_KGZ_NDATA)];
  73 };
  74
  75 /* Relocatable header format */
  76 struct kgz_elfhdr {
  77     Elf32_Ehdr e;
  78     Elf32_Shdr sh[KGZ_SHNUM];
  79     Elf32_Sym st[KGZ_STNUM];
  80     struct kgz_shstrtab shstrtab;
  81     struct kgz_strtab strtab;
  82 };
  83
  84 extern const struct kgz_elfhdr elfhdr;