From 492f78fc955e181ff4ba7e7d6b578e5f76afb858 Mon Sep 17 00:00:00 2001
From: Cyrille Bagard <nocbos@gmail.com>
Date: Thu, 2 Dec 2010 22:57:08 +0000
Subject: Decompiled more Dex instructions (const and return).
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@197 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
---
ChangeLog | 24 +++++++
src/arch/dalvik/Makefile.am | 1 +
src/arch/dalvik/dop_const.c | 10 ---
src/arch/dalvik/dop_ret.c | 81 +++++++++++++++++++++
src/arch/dalvik/instruction.c | 10 +--
src/arch/dalvik/translate.h | 6 ++
src/decomp/expr/Makefile.am | 3 +-
src/decomp/expr/return.c | 159 ++++++++++++++++++++++++++++++++++++++++++
src/decomp/expr/return.h | 60 ++++++++++++++++
9 files changed, 338 insertions(+), 16 deletions(-)
create mode 100644 src/arch/dalvik/dop_ret.c
create mode 100644 src/decomp/expr/return.c
create mode 100644 src/decomp/expr/return.h
diff --git a/ChangeLog b/ChangeLog
index 729f051..17d62f7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,29 @@
10-12-02 Cyrille Bagard <nocbos@gmail.com>
+ * src/arch/dalvik/dop_const.c:
+ Clean code.
+
+ * src/arch/dalvik/dop_ret.c:
+ New entry: decompile returning instructions.
+
+ * src/arch/dalvik/instruction.c:
+ Update code.
+
+ * src/arch/dalvik/Makefile.am:
+ Add dop_ret to libarchdalvik_la_SOURCES.
+
+ * src/arch/dalvik/translate.h:
+ Extend the list of translation routines.
+
+ * src/decomp/expr/Makefile.am:
+ Add return.[ch] to libdecompexpr_la_SOURCES.
+
+ * src/decomp/expr/return.c:
+ * src/decomp/expr/return.h:
+ New entries: create an expression for the 'return' keyword.
+
+10-12-02 Cyrille Bagard <nocbos@gmail.com>
+
* src/analysis/decomp/decompiler.c:
Change debug code.
diff --git a/src/arch/dalvik/Makefile.am b/src/arch/dalvik/Makefile.am
index 8dc93ae..3c58a0e 100644
--- a/src/arch/dalvik/Makefile.am
+++ b/src/arch/dalvik/Makefile.am
@@ -9,6 +9,7 @@ libarchdalvik_la_SOURCES = \
dop_array.c \
dop_const.c \
dop_invoke.c \
+ dop_ret.c \
op_add.c \
op_aget.c \
op_and.c \
diff --git a/src/arch/dalvik/dop_const.c b/src/arch/dalvik/dop_const.c
index ea88089..9d42926 100644
--- a/src/arch/dalvik/dop_const.c
+++ b/src/arch/dalvik/dop_const.c
@@ -45,20 +45,10 @@
GDecInstruction *dalvik_decomp_instr_const(const GArchInstruction *instr, GDecContext *ctx)
{
GDecInstruction *result; /* Instruction à retourner */
-
-
GArchOperand *operand; /* Opérande de l'instruction */
GDecInstruction *reg; /* Pseudo-registre redéfini */
GDecInstruction *imm; /* Valeur immédiate décompilée */
-
- result = NULL;
-
-
- printf("PAssaage !\n");
-
-
-
operand = g_arch_instruction_get_operand(instr, 0);
reg = g_dec_context_convert_register(ctx, operand);
diff --git a/src/arch/dalvik/dop_ret.c b/src/arch/dalvik/dop_ret.c
new file mode 100644
index 0000000..3d3f29f
--- /dev/null
+++ b/src/arch/dalvik/dop_ret.c
@@ -0,0 +1,81 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * dop_ret.c - décompilation des ordres de retour
+ *
+ * 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 "../../decomp/expr/return.h"
+
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction d'origine à convertir. *
+* ctx = contexte de la phase de décompilation. *
+* *
+* Description : Décompile une instruction de type 'return'. *
+* *
+* Retour : Instruction mise en place ou NULL. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GDecInstruction *dalvik_decomp_instr_return(const GArchInstruction *instr, GDecContext *ctx)
+{
+ GDecInstruction *result; /* Instruction à retourner */
+ GArchOperand *operand; /* Opérande de l'instruction */
+ GDecInstruction *reg; /* Pseudo-registre redéfini */
+
+ operand = g_arch_instruction_get_operand(instr, 0);
+ reg = g_dec_context_convert_register(ctx, operand);
+
+ result = g_return_expression_new(G_DEC_EXPRESSION(reg));
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction d'origine à convertir. *
+* ctx = contexte de la phase de décompilation. *
+* *
+* Description : Décompile une instruction de type 'return-void'. *
+* *
+* Retour : Instruction mise en place ou NULL. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GDecInstruction *dalvik_decomp_instr_return_void(const GArchInstruction *instr, GDecContext *ctx)
+{
+ GDecInstruction *result; /* Instruction à retourner */
+
+ result = g_return_expression_new(NULL);
+
+ return result;
+
+}
diff --git a/src/arch/dalvik/instruction.c b/src/arch/dalvik/instruction.c
index e8059d6..ca48fe2 100644
--- a/src/arch/dalvik/instruction.c
+++ b/src/arch/dalvik/instruction.c
@@ -80,12 +80,12 @@ static dalvik_instruction _instructions[DOP_COUNT] = {
[DOP_MOVE_RESULT_WIDE] = { 0x0b, "move-result-wide" },
[DOP_MOVE_RESULT_OBJECT] = { 0x0c, "move-result-object" },
[DOP_MOVE_EXCEPTION] = { 0x0d, "move-exception" },
- [DOP_RETURN_VOID] = { 0x0e, "return-void" },
- [DOP_RETURN] = { 0x0f, "return" },
- [DOP_RETURN_WIDE] = { 0x10, "return-wide" },
- [DOP_RETURN_OBJECT] = { 0x11, "return-object" },
+ [DOP_RETURN_VOID] = { 0x0e, "return-void", dalvik_decomp_instr_return_void },
+ [DOP_RETURN] = { 0x0f, "return", dalvik_decomp_instr_return },
+ [DOP_RETURN_WIDE] = { 0x10, "return-wide", dalvik_decomp_instr_return },
+ [DOP_RETURN_OBJECT] = { 0x11, "return-object", dalvik_decomp_instr_return },
[DOP_CONST_4] = { 0x12, "const/4", dalvik_decomp_instr_const },
- [DOP_CONST_16] = { 0x13, "const/16" },
+ [DOP_CONST_16] = { 0x13, "const/16", dalvik_decomp_instr_const },
[DOP_CONST] = { 0x14, "const" },
[DOP_CONST_HIGH16] = { 0x15, "const/high16" },
[DOP_CONST_WIDE_16] = { 0x16, "const-wide/16" },
diff --git a/src/arch/dalvik/translate.h b/src/arch/dalvik/translate.h
index 779c133..0f408e6 100644
--- a/src/arch/dalvik/translate.h
+++ b/src/arch/dalvik/translate.h
@@ -44,6 +44,12 @@ GDecInstruction *dalvik_decomp_instr_const(const GArchInstruction *, GDecContext
/* Décompile une instruction de type 'invoke-virtual'. */
GDecInstruction *dalvik_decomp_instr_invoke_virtual(const GArchInstruction *, GDecContext *);
+/* Décompile une instruction de type 'return'. */
+GDecInstruction *dalvik_decomp_instr_return(const GArchInstruction *, GDecContext *);
+
+/* Décompile une instruction de type 'return-void'. */
+GDecInstruction *dalvik_decomp_instr_return_void(const GArchInstruction *, GDecContext *);
+
/* Décompile une instruction de type 'opérations arithmétiques'. */
GDecInstruction *dalvik_decomp_instr_arithm_2addr(const GArchInstruction *, GDecContext *);
diff --git a/src/decomp/expr/Makefile.am b/src/decomp/expr/Makefile.am
index 3c15758..d6d6d04 100644
--- a/src/decomp/expr/Makefile.am
+++ b/src/decomp/expr/Makefile.am
@@ -8,7 +8,8 @@ libdecompexpr_la_SOURCES = \
block.h block.c \
call.h call.c \
immediate.h immediate.c \
- pseudo.h pseudo.c
+ pseudo.h pseudo.c \
+ return.h return.c
libdecompexpr_la_LDFLAGS =
diff --git a/src/decomp/expr/return.c b/src/decomp/expr/return.c
new file mode 100644
index 0000000..e29f022
--- /dev/null
+++ b/src/decomp/expr/return.c
@@ -0,0 +1,159 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * return.c - représentation des ordres de retour
+ *
+ * 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 "return.h"
+
+
+#include "../expression-int.h"
+
+
+
+/* Définition d'un ordre de retour (instance) */
+struct _GReturnExpression
+{
+ GDecExpression parent; /* A laisser en premier */
+
+ GDecExpression *payload; /* Eventuel paquet associé */
+
+};
+
+
+/* Définition d'un ordre de retour (classe) */
+struct _GReturnExpressionClass
+{
+ GDecExpressionClass parent; /* A laisser en premier */
+
+};
+
+
+
+/* Initialise la classe des ordres de retour. */
+static void g_return_expression_class_init(GReturnExpressionClass *);
+
+/* Initialise une instance d'ordre de retour. */
+static void g_return_expression_init(GReturnExpression *);
+
+/* Imprime pour l'écran un version humaine d'une expression. */
+static void g_return_expression_print(const GReturnExpression *, GCodeBuffer *, GBufferLine *, GLangOutput *);
+
+
+
+/* Indique le type défini pour un ordre de retour. */
+G_DEFINE_TYPE(GReturnExpression, g_return_expression, G_TYPE_DEC_EXPRESSION);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des ordres de retour. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_return_expression_class_init(GReturnExpressionClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : expr = instance à initialiser. *
+* *
+* Description : Initialise une instance d'ordre de retour. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_return_expression_init(GReturnExpression *expr)
+{
+ GDecInstruction *instr; /* Autre version de l'objet */
+
+ instr = G_DEC_INSTRUCTION(expr);
+
+ instr->print = (dec_instr_print_fc)g_return_expression_print;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : payload = éventuelle expression à associer au retour. *
+* *
+* Description : Constitue un ordre de retour vers l'appelant. *
+* *
+* Retour : Expression mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GDecInstruction *g_return_expression_new(GDecExpression *payload)
+{
+ GReturnExpression *result; /* Expression à retourner */
+
+ result = g_object_new(G_TYPE_RETURN_EXPRESSION, NULL);
+
+ result->payload = payload;
+
+ return G_DEC_INSTRUCTION(result);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : expr = expression à transcrire en version humaine. *
+* buffer = tampon où doit se réaliser l'insertion. *
+* line = ligne d'impression prête à emploi ou NULL. *
+* output = langage de programmation de sortie. *
+* *
+* Description : Imprime pour l'écran un version humaine d'une expression. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_return_expression_print(const GReturnExpression *expr, GCodeBuffer *buffer, GBufferLine *line, GLangOutput *output)
+{
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, "return", 6, RTT_KEY_WORD);
+
+ if (expr->payload != NULL)
+ {
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, " ", 1, RTT_RAW);
+
+ g_dec_instruction_print(G_DEC_INSTRUCTION(expr->payload),
+ buffer, line, output);
+
+ }
+
+}
diff --git a/src/decomp/expr/return.h b/src/decomp/expr/return.h
new file mode 100644
index 0000000..093ee32
--- /dev/null
+++ b/src/decomp/expr/return.h
@@ -0,0 +1,60 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * return.h - prototypes pour la représentation des ordres de retour
+ *
+ * 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/>.
+ */
+
+
+#ifndef _DECOMP_EXPR_RETURN_H
+#define _DECOMP_EXPR_RETURN_H
+
+
+#include <glib-object.h>
+
+
+#include "../expression.h"
+#include "../instruction.h"
+
+
+
+#define G_TYPE_RETURN_EXPRESSION g_return_expression_get_type()
+#define G_RETURN_EXPRESSION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_return_expression_get_type(), GReturnExpression))
+#define G_IS_RETURN_EXPRESSION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_return_expression_get_type()))
+#define G_RETURN_EXPRESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_RETURN_EXPRESSION, GReturnExpressionClass))
+#define G_IS_RETURN_EXPRESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_RETURN_EXPRESSION))
+#define G_RETURN_EXPRESSION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_RETURN_EXPRESSION, GReturnExpressionClass))
+
+
+
+/* Définition d'un ordre de retour (instance) */
+typedef struct _GReturnExpression GReturnExpression;
+
+/* Définition d'un ordre de retour (classe) */
+typedef struct _GReturnExpressionClass GReturnExpressionClass;
+
+
+/* Indique le type défini pour un ordre de retour. */
+GType g_return_expression_get_type(void);
+
+/* Constitue un ordre de retour vers l'appelant. */
+GDecInstruction *g_return_expression_new(GDecExpression *);
+
+
+
+#endif /* _DECOMP_EXPR_RETURN_H */
--
cgit v0.11.2-87-g4458