init/ld.h

   1 /*
   2  *  Copyright (c) 2014 Samsung Electronics Co., Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  */
  19
  20
  21 #ifndef __LD_H__
  22 #define __LD_H__
  23
  24
  25 #define __TARGET_64__
  26
  27 #include "elf.h"
  28
  29 typedef int (*ld_init_t)(void);
  30 typedef int (*ld_fini_t)(void);
  31
  32 #ifdef __TARGET_64__
  33 typedef int (*ld_resolve_t)(void *binary, _Elf_Sym *sym, _Elf_Sxword *value);
  34 #else //__TARGET_32__
  35 typedef int (*ld_resolve_t)(void *binary, _Elf_Sym *sym, _Elf_Sword *value);
  36 #endif //__TARGET_64__ | __TARGET_32__
  37
  38 typedef int (*ld_translate_t)(void *binary, void *in, void **out);
  39
  40 int ld_Elf_Ehdr_to_Elf_Shdr(_Elf_Ehdr *ehdr, _Elf_Shdr **shdr, size_t *size);
  41
  42 int ld_Elf_Ehdr_to_Elf_Phdr(_Elf_Ehdr *ehdr, _Elf_Phdr **phdr, size_t *size);
  43
  44 int ld_binary_to_Elf_Ehdr(void *binary, _Elf_Ehdr **ehdr);
  45
  46 int ld_get_entry(void *binary, void **entry);
  47
  48 int ld_get_name(void *binary, char **name);
  49
  50 int ld_get_version(void *binary, char **version);
  51
  52 int ld_get_string(char *strtab, int index, char **string);
  53
  54 int ld_get_symbol(_Elf_Sym *symtab, int index, _Elf_Sym **symbol);
  55
  56 int ld_get_base(void *binary, void **address);
  57
  58 int ld_get_size(void *binary, size_t *size);
  59
  60 int ld_get_sect(void *binary, char *name, void **section, size_t *size);
  61
  62 #ifdef __TARGET_64__
  63 int ld_get_dynamic_relatab(void *binary, _Elf_Rela **rela, size_t *size);
  64 #else //__TARGET_32__
  65 int ld_get_dynamic_reltab(void *binary, _Elf_Rel **rel, size_t *size);
  66 #endif //__TARGET_64__ | __TARGET_32__
  67
  68 int ld_get_dynamic_symtab(void *binary, _Elf_Sym **symtab, size_t *size);
  69
  70 int ld_get_dynamic_strtab(void *binary, char **strtab, size_t *size);
  71
  72 #ifdef __TARGET_64__
  73 int ld_fixup_dynamic_relatab(void *binary, ld_resolve_t resolve, ld_translate_t translate);
  74 #else //__TARGET_32__
  75 int ld_fixup_dynamic_reltab(void *binary, ld_resolve_t resolve, ld_translate_t translate);
  76 #endif //__TARGET_64__ | __TARGET_32__
  77
  78 int ld_fixup_dynamic_plttab(void *binary, ld_resolve_t resolve, ld_translate_t translate);
  79
  80 #endif //__LD_H__