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Diffstat (limited to 'src/arch/dalvik/decomp/iput.c')
-rw-r--r-- | src/arch/dalvik/decomp/iput.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/arch/dalvik/decomp/iput.c b/src/arch/dalvik/decomp/iput.c new file mode 100644 index 0000000..4db4770 --- /dev/null +++ b/src/arch/dalvik/decomp/iput.c @@ -0,0 +1,78 @@ + +/* OpenIDA - Outil d'analyse de fichiers binaires + * iput.c - décompilation des instructions manipulant des champs d'instance (déchargement) + * + * 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 "../../../arch/dalvik/operands/pool.h" +#include "../../../decomp/expr/access.h" +#include "../../../decomp/expr/assign.h" +#include "../../../decomp/expr/pseudo.h" + + + +/****************************************************************************** +* * +* Paramètres : instr = instruction d'origine à convertir. * +* ctx = contexte de la phase de décompilation. * +* * +* Description : Décompile une instruction de type 'iput'. * +* * +* Retour : Instruction mise en place ou NULL. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GDecInstruction *dalvik_decomp_instr_iput(const GArchInstruction *instr, GDecContext *ctx) +{ + GDecInstruction *result; /* Instruction à retourner */ + GArchOperand *operand; /* Opérande de l'instruction */ + GDecInstruction *dest; /* Registre de destination */ + GDecInstruction *src; /* Registre de l'object */ + uint32_t index; /* Indice dans la table */ + GDexFormat *format; /* Accès aux constantes */ + GDecInstruction *field; /* Champ concerné par l'opérat°*/ + GBinVariable *var; /* Variable / champ accédé */ + GDecInstruction *access; /* Représentation de l'accès */ + + operand = g_arch_instruction_get_operand(instr, 0); + src = g_dec_context_convert_register(ctx, operand); + + operand = g_arch_instruction_get_operand(instr, 1); + dest = g_dec_context_convert_register(ctx, operand); + + operand = g_arch_instruction_get_operand(instr, 2); + index = g_dalvik_pool_operand_get_index(G_DALVIK_POOL_OPERAND(operand)); + format = G_DEX_FORMAT(g_object_get_data(G_OBJECT(ctx), "format")); + var = get_field_from_dex_pool(format, index); + + field = g_pseudo_register_new(); + g_pseudo_register_set_variable(G_PSEUDO_REGISTER(field), var); + + access = g_access_expression_new(G_DEC_EXPRESSION(dest), G_DEC_EXPRESSION(field)); + result = g_assign_expression_new(G_DEC_EXPRESSION(access), G_DEC_EXPRESSION(src)); + + return result; + +} |