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/* OpenIDA - Outil d'analyse de fichiers binaires
* invoke.c - décompilation des appels de méthode
*
* Copyright (C) 2010 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 "../instruction.h"
#include "../operand.h"
#include "../../../decomp/expr/assign.h"
#include "../../../decomp/expr/call.h"
#include "../../../format/dex/pool.h"
/******************************************************************************
* *
* Paramètres : instr = instruction d'origine à convertir. *
* ctx = contexte de la phase de décompilation. *
* *
* Description : Décompile une instruction de type 'invoke-virtual'. *
* *
* Retour : Instruction mise en place ou NULL. *
* *
* Remarques : - *
* *
******************************************************************************/
GDecInstruction *dalvik_decomp_instr_invoke_virtual(const GArchInstruction *instr, GDecContext *ctx)
{
GDecInstruction *result; /* Instruction à retourner */
size_t count; /* Quantité d'opérandes */
GArchOperand *op; /* Opérande de l'instruction */
uint32_t index; /* Indice de l'élément visé */
GDexFormat *format; /* Accès aux constantes */
GBinRoutine *routine; /* Routine visée par l'appel */
const char *string; /* Chaîne à afficher */
GOpenidaType *type; /* Type quelconque */
char *tmp; /* Chaîne à afficher & libérer */
GArchOperand *operand; /* Opérande de l'instruction */
GDecInstruction *reg; /* Pseudo-registre redéfini */
GDecInstruction *imm; /* Valeur immédiate décompilée */
GArchInstruction *iter; /* Boucle de parcours */
vmpa_t max; /* Limite à ne pas dépasser */
result = NULL;
printf("PAssaage !\n");
/* Récupération de la méthode */
count = g_arch_instruction_count_operands(instr);
op = g_arch_instruction_get_operand(instr, count - 1);
index = g_dalvik_pool_operand_get_index(G_DALVIK_POOL_OPERAND(op));
printf("POOL ?? %d -> %d\n", G_IS_DALVIK_POOL_OPERAND(op), index);
format = G_DEX_FORMAT(g_object_get_data(G_OBJECT(ctx), "format"));
routine = get_routine_from_dex_pool(format, index);
if (routine == NULL) return NULL;
#if 0
if (operand->cache.method == NULL)
g_content_exporter_insert_into_buffer(exporter, buffer, BLC_ASSEMBLY,
"<bad_method_index>", 18, RTT_VAR_NAME);
else
{
tmp = g_binary_routine_to_string(operand->cache.method);
g_content_exporter_insert_into_buffer(exporter, buffer, BLC_ASSEMBLY,
tmp, strlen(tmp), RTT_VAR_NAME);
free(tmp);
#endif
result = g_routine_call_new(routine, true);
//GDecInstruction *g_routine_call_new(GBinRoutine *routine, bool is_object)
/*
operand = g_arch_instruction_get_operand(instr, 1);
reg = g_dec_context_convert_register(ctx, operand);
operand = g_arch_instruction_get_operand(instr, 1);
imm = g_imm_expression_new(G_IMM_OPERAND(operand));
result = g_assign_expression_new(G_DEC_EXPRESSION(reg), G_DEC_EXPRESSION(imm));
*/
/* Récupération d'un résultat ? */
iter = instr;
max = g_dec_context_get_max_address(ctx);
iter = g_arch_instruction_get_next_iter(instr, iter, max);
if (iter != NULL)
switch (g_dalvik_instruction_get_opcode(G_DALVIK_INSTRUCTION(iter)))
{
case DOP_MOVE_RESULT:
operand = g_arch_instruction_get_operand(iter, 0);
reg = g_dec_context_convert_register(ctx, operand);
result = g_assign_expression_new(G_DEC_EXPRESSION(reg), G_DEC_EXPRESSION(result));
break;
default:
break;
}
return result;
}
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