/* Chrysalide - Outil d'analyse de fichiers binaires
 * helper_arm.c - prise en compte des spécifités ARM pour la recherche de gadgets
 *
 * 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 "helper_arm.h"


#include <malloc.h>


#include <arch/arm/v7/context.h>



/******************************************************************************
*                                                                             *
*  Paramètres  : proc  = processeur lié à l'architecture visée.               *
*                names = noms attribués aux différents contextes.             *
*                count = nombre de gadgets trouvés. [OUT]                     *
*                                                                             *
*  Description : Etablit une liste des contextes utiles à la recherche.       *
*                                                                             *
*  Retour      : Liste de contextes mis en place.                             *
*                                                                             *
*  Remarques   : Toues les tableaux créés sont à libérer après usage.         *
*                                                                             *
******************************************************************************/

GProcContext **get_rop_contexts_for_arm(const GArchProcessor *proc, char ***names, size_t *count)
{
    GProcContext **result;                  /* Contextes à retourner       */

    result = (GProcContext **)calloc(2, sizeof(GProcContext *));

    (*names) = (char **)calloc(2, sizeof(char *));

    *count = 2;

    /* Thumb */

    result[0] = g_arch_processor_get_context(proc);

    g_armv7_context_define_encoding(G_ARMV7_CONTEXT(result[0]), 0, AV7IS_THUMB);

    (*names)[0] = "Thumb";

    /* ARMM */

    result[1] = g_arch_processor_get_context(proc);

    g_armv7_context_define_encoding(G_ARMV7_CONTEXT(result[1]), 0, AV7IS_ARM);

    (*names)[1] = "ARM";

    return result;

}