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/* Chrysalide - Outil d'analyse de fichiers binaires
* link.c - édition des liens après la phase de désassemblage ARM v7
*
* Copyright (C) 2016 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 "link.h"
#include <assert.h>
#include "../register.h"
/******************************************************************************
* *
* Paramètres : instr = instruction ARM à traiter. *
* proc = représentation de l'architecture utilisée. *
* context = contexte associé à la phase de désassemblage. *
* format = acès aux données du binaire d'origine. *
* *
* Description : Encadre les sauts à partir de registres ARMv7. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
void handle_armv7_conditional_branch_from_register(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format)
{
GArchOperand *op; /* Opérande numérique en place */
GArmRegister *reg; /* Registre matériel manipulé */
op = g_arch_instruction_get_operand(instr, 0);
assert(G_IS_REGISTER_OPERAND(op));
reg = G_ARM_REGISTER(g_register_operand_get_register(G_REGISTER_OPERAND(op)));
if (g_arm_register_get_index(reg) == 14 /* lr */)
g_arch_instruction_set_flag(instr, AIF_RETURN_POINT);
else
g_arch_instruction_set_flag(instr, AIF_RETURN_POINT); /* FIXME : jump inconnu ! */
}
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