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/* Chrysalide - Outil d'analyse de fichiers binaires
* array.c - décompilation de l'opération récupérant la longueur d'un tableau
*
* Copyright (C) 2010-2013 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 "translate.h"
#include "../../../decomp/expr/assign.h"
#include "../../../decomp/expr/dalvik/array.h"
/******************************************************************************
* *
* Paramètres : instr = instruction d'origine à convertir. *
* ctx = contexte de la phase de décompilation. *
* *
* Description : Décompile une instruction de type 'array-length'. *
* *
* Retour : Instruction mise en place ou NULL. *
* *
* Remarques : - *
* *
******************************************************************************/
GDecInstruction *dalvik_decomp_instr_array_length(const GArchInstruction *instr, GDecContext *ctx)
{
GDecInstruction *result; /* Instruction à retourner */
vmpa_t addr; /* Adresse de l'instruction */
GArchOperand *operand; /* Opérande de l'instruction */
GDecInstruction *reg; /* Pseudo-registre redéfini */
GDecInstruction *len; /* Enregistrement de taille */
GDecInstruction *dest; /* Destination de la création */
g_arch_instruction_get_location(instr, NULL, NULL, &addr);
operand = g_arch_instruction_get_operand(instr, 1);
reg = g_dec_context_convert_register(ctx, operand, false, addr);
len = g_dalvik_alength_new(G_DEC_EXPRESSION(reg));
operand = g_arch_instruction_get_operand(instr, 0);
dest = g_dec_context_convert_register(ctx, operand, true, addr);
result = g_assign_expression_new(G_DEC_EXPRESSION(dest), G_DEC_EXPRESSION(len));
return result;
}
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