/* OpenIDA - Outil d'analyse de fichiers binaires
 * section.h - prototypes pour la gestion des sections d'un ELF
 *
 * Copyright (C) 2008 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef _FORMAT_ELF_SECTION_H
#define _FORMAT_ELF_SECTION_H


#include <elf.h>


#include "e_elf.h"


/* En-tête de section ELF */
typedef union _Elf_Shdr
{
    Elf32_Shdr section32;                   /* Version 32 bits             */
    Elf64_Shdr section64;                   /* Version 64 bits             */

} Elf_Shdr;


#define ELF_SIZEOF_SHDR(fmt) (fmt->is_32b ? sizeof(Elf32_Shdr) : sizeof(Elf64_Shdr))

#define ELF_SHDR(fmt, shdr, fld) (fmt->is_32b ? (shdr)->section32.fld : (shdr)->section64.fld)



/* Charge en mémoire la liste humaine des sections. */
bool read_elf_section_names(elf_format *);

/* Recherche une section donnée au sein de binaire par nom. */
bool find_elf_section_by_name(const elf_format *, const char *, Elf_Shdr *);

/* Recherche une section donnée au sein de binaire par type. */
bool find_elf_section_by_type(const elf_format *, uint16_t, Elf_Shdr **, size_t *);

/* Recherche une section donnée au sein de binaire par indice. */
bool find_elf_section_by_index(const elf_format *, uint16_t, Elf_Shdr *);

/* Fournit les adresses et taille contenues dans une section. */
void get_elf_section_content(const elf_format *, const Elf_Shdr *, off_t *, off_t *, uint64_t *);

/* Recherche une zone donnée au sein de binaire par nom. */
bool find_elf_section_content_by_name(const elf_format *, const char *, off_t *, off_t *, uint64_t *);

/* Recherche une zone donnée au sein de binaire par indice. */
bool find_elf_section_content_by_index(const elf_format *, uint16_t, off_t *, off_t *, uint64_t *);



#endif  /* _FORMAT_ELF_SECTION_H */