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/* OpenIDA - Outil d'analyse de fichiers binaires
* move.c - décompilation des opérations de déplacement
*
* Copyright (C) 2012 Cyrille Bagard
*
* This file is part of OpenIDA.
*
* 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"
/******************************************************************************
* *
* Paramètres : instr = instruction d'origine à convertir. *
* ctx = contexte de la phase de décompilation. *
* *
* Description : Décompile une instruction de type 'move-object'. *
* *
* Retour : Instruction mise en place ou NULL. *
* *
* Remarques : - *
* *
******************************************************************************/
GDecInstruction *dalvik_decomp_instr_move_object(const GArchInstruction *instr, GDecContext *ctx)
{
GDecInstruction *result; /* Instruction à retourner */
GArchOperand *operand; /* Opérande de l'instruction */
GDecInstruction *src; /* Registre de l'object */
GDecInstruction *dest; /* Registre de destination */
operand = g_arch_instruction_get_operand(instr, 1);
src = g_dec_context_convert_register(ctx, operand, false);
operand = g_arch_instruction_get_operand(instr, 0);
dest = g_dec_context_convert_register(ctx, operand, true);
result = g_assign_expression_new(G_DEC_EXPRESSION(dest), G_DEC_EXPRESSION(src));
return result;
}
/******************************************************************************
* *
* Paramètres : instr = instruction d'origine à convertir. *
* ctx = contexte de la phase de décompilation. *
* *
* Description : Décompile une instruction de type 'move-result'. *
* *
* Retour : Instruction mise en place ou NULL. *
* *
* Remarques : - *
* *
******************************************************************************/
GDecInstruction *dalvik_decomp_instr_move_result(const GArchInstruction *instr, GDecContext *ctx)
{
GDecInstruction *result; /* Instruction à retourner */
GDecInstruction *list; /* Instructions décompilées */
GArchOperand *operand; /* Opérande de l'instruction */
GDecInstruction *last; /* Instruction précédante */
GDecInstruction *dest; /* Registre de destination */
list = g_dec_context_get_decomp_instrs(ctx);
if (list == NULL) return NULL;
last = g_dec_instruction_get_last(list);
g_dec_instruction_delete(&list, last);
g_dec_context_set_decomp_instrs(ctx, list);
operand = g_arch_instruction_get_operand(instr, 0);
dest = g_dec_context_convert_register(ctx, operand, true);
result = g_assign_expression_new(G_DEC_EXPRESSION(dest), G_DEC_EXPRESSION(last));
return result;
}
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