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/* Chrysalide - Outil d'analyse de fichiers binaires
* d_dwarf.c - support du format DWARF
*
* Copyright (C) 2008-2017 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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.
*
* Chrysalide 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 "d_dwarf.h"
#include <malloc.h>
#include "abbrev.h"
#include "dwarf-int.h"
#include "info.h"
/******************************************************************************
* *
* Paramètres : content = contenu binaire à parcourir. *
* length = taille du contenu en question. *
* e_format = gestionnaire global (partie exécutable). *
* *
* Description : Prend en charge un nouveau DWARF. *
* *
* Retour : Adresse de la structure mise en place ou NULL en cas d'échec.*
* *
* Remarques : - *
* *
******************************************************************************/
dwarf_format *load_dwarf(const uint8_t *content, off_t length, exe_format *e_format)
{
dwarf_format *result; /* Structure à retourner */
bool test; /* Bilan d'une initialisation */
result = (dwarf_format *)calloc(1, sizeof(dwarf_format));
DBG_FORMAT(result)->content = content;
DBG_FORMAT(result)->length = length;
DBG_FORMAT(result)->e_format = e_format;
result->format = DWF_32_BITS;
test = load_dwarf_abbreviations(result);
test = load_dwarf_information(result);
return result;
}
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
* comments = liste des commentaires à insérer. [OUT] *
* offsets = liste des indices des commentaires. [OUT] *
* *
* Description : Récupère tous les commentaires à insérer dans le code. *
* *
* Retour : Nombre d'éléments mis en place. *
* *
* Remarques : - *
* *
******************************************************************************/
size_t get_dwarf_comments(const dwarf_format *format, const char ***comments, uint64_t **offsets)
{
size_t result; /* Quantité à retourner */
size_t i; /* Boucle de parcours */
result = format->dbg_fc_count;
if (result > 0)
{
*comments = (char **)calloc(result, sizeof(char *));
*offsets = (uint64_t *)calloc(result, sizeof(uint64_t));
for (i = 0; i < result; i++)
{
(*comments)[i] = format->dbg_functions[i]->prototype;
(*offsets)[i] = format->dbg_functions[i]->low_pc;
}
}
return result;
}
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