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/* Chrysalide - Outil d'analyse de fichiers binaires
* dwarf-int.c - structures internes du format DWARF
*
* Copyright (C) 2015 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* 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/>.
*/
#include "dwarf-int.h"
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
* pos = position de début de lecture. [OUT] *
* endian = boutisme reconnu dans le format. *
* header = en-tête à déterminer. [OUT] *
* *
* Description : Procède à la lecture de l'en-tête d'un contenu binaire ELF. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool read_dwarf_section_header(GBinContent *content, vmpa2t *pos, SourceEndian endian, dw_section_header *header)
{
bool result; /* Bilan à retourner */
uint32_t first; /* Premier paquet d'octets */
bool status; /* Bilan d'opération */
result = false;
status = g_binary_content_read_u32(content, pos, endian, &first);
if (!status) goto rdsh_exit;
if (first >= 0xfffffff0 && first != 0xffffffff)
goto rdsh_exit;
if (first == 0xffffffff)
{
result = g_binary_content_read_u64(content, pos, endian, &header->unit_length);
header->is_32b = false;
}
else
{
result = true;
header->unit_length = first;
header->is_32b = true;
}
result &= g_binary_content_read_u16(content, pos, endian, &header->version);
rdsh_exit:
return result;
}
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