diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2012-07-23 19:07:29 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2012-07-23 19:07:29 (GMT) |
commit | 8b35a66464636d0c46237af7490a6ca6866ecc4d (patch) | |
tree | 92199b36e3af00eb4c175a80c20b9b14511a6a45 /src/arch/dalvik/decomp/move.c | |
parent | 8b2189a819c7a761cfdb97d9e3382ea963f225fb (diff) |
Improved decompilation of Dalvik bytecode.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@252 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/dalvik/decomp/move.c')
-rw-r--r-- | src/arch/dalvik/decomp/move.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/arch/dalvik/decomp/move.c b/src/arch/dalvik/decomp/move.c new file mode 100644 index 0000000..798b6b0 --- /dev/null +++ b/src/arch/dalvik/decomp/move.c @@ -0,0 +1,99 @@ + +/* 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 *dest; /* Registre de destination */ + GDecInstruction *src; /* Registre de l'object */ + + operand = g_arch_instruction_get_operand(instr, 0); + dest = g_dec_context_convert_register(ctx, operand); + + operand = g_arch_instruction_get_operand(instr, 1); + src = g_dec_context_convert_register(ctx, operand); + + 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 *dest; /* Registre de destination */ + GDecInstruction *last; /* Instruction précédante */ + + list = g_dec_context_get_decomp_instrs(ctx); + if (list == NULL) return NULL; + + operand = g_arch_instruction_get_operand(instr, 0); + dest = g_dec_context_convert_register(ctx, operand); + + last = g_dec_instruction_get_last(list); + g_dec_instruction_delete(&list, last); + g_dec_context_set_decomp_instrs(ctx, list); + + result = g_assign_expression_new(G_DEC_EXPRESSION(dest), G_DEC_EXPRESSION(last)); + + return result; + +} |