kernel/include/elf.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #ifndef _ELF_H
  21 #define _ELF_H
  22
  23 #define __PACKED__ __attribute__ ((__packed__))
  24
  25
  26 typedef struct
  27 {
  28         unsigned long sect_name         __PACKED__;
  29         unsigned long type              __PACKED__;
  30         unsigned long flags             __PACKED__;
  31         unsigned long virt_adr          __PACKED__;
  32         unsigned long offset            __PACKED__;
  33         unsigned long size              __PACKED__;
  34         unsigned long link              __PACKED__;
  35         unsigned long info              __PACKED__;
  36         unsigned long align             __PACKED__;
  37         unsigned long ent_size          __PACKED__;
  38 } elf_sect_t;
  39
  40 typedef struct
  41 {
  42         unsigned long adr               __PACKED__;
  43         unsigned char type;
  44         unsigned long symtab_index : 24 __PACKED__;
  45         unsigned long addend            __PACKED__;
  46 } elf_reloc_t;
  47
  48 typedef struct
  49 {
  50         unsigned long name              __PACKED__;
  51         unsigned long value             __PACKED__;
  52         unsigned long size              __PACKED__;
  53         unsigned type : 4               __PACKED__;
  54         unsigned binding : 4            __PACKED__;
  55         unsigned char zero;
  56         unsigned short section          __PACKED__;
  57 } elf_sym_t;
  58
  59 typedef struct
  60 {
  61         unsigned long magic;
  62         unsigned char bitness;
  63         unsigned char endian;
  64         unsigned char elf_ver_1;
  65         unsigned char res[9];
  66         unsigned short file_type        __PACKED__;
  67         unsigned short machine          __PACKED__;
  68         unsigned long elf_ver_2         __PACKED__;
  69         unsigned long entry_pt          __PACKED__;
  70         unsigned long phtab_offset      __PACKED__;
  71         unsigned long shtab_offset      __PACKED__;
  72         unsigned long flags             __PACKED__;
  73         unsigned short file_hdr_size    __PACKED__;
  74         unsigned short phtab_ent_size   __PACKED__;
  75         unsigned short num_phtab_ents   __PACKED__;
  76         unsigned short shtab_ent_size   __PACKED__;
  77         unsigned short num_sects                __PACKED__;
  78         unsigned short shstrtab_index   __PACKED__;
  79 } elf_file_t;
  80
  81
  82 /* externs */
  83
  84 #endif