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authorCyrille Bagard <nocbos@gmail.com>2013-06-30 13:01:38 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2013-06-30 13:01:38 (GMT)
commite5314b83cf2521f4a1fee5d3cbb5011d7ac7bff7 (patch)
tree3af6d5b430d3a07753e273e9ddb1ff656e706661 /src
parent0f3bbcb376ee4f76142ac4ddf729403fecac2641 (diff)
Provided first basic support for a few ARM instructions.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@354 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src')
-rw-r--r--src/arch/arm/Makefile.am8
-rw-r--r--src/arch/arm/encoding.h70
-rw-r--r--src/arch/arm/instruction-int.h48
-rw-r--r--src/arch/arm/instruction.c128
-rw-r--r--src/arch/arm/instruction.h62
-rw-r--r--src/arch/arm/processor.c24
-rw-r--r--src/arch/arm/v456/Makefile.am24
-rw-r--r--src/arch/arm/v456/addressing.c82
-rw-r--r--src/arch/arm/v456/addressing.h38
-rw-r--r--src/arch/arm/v456/encoding.h188
-rw-r--r--src/arch/arm/v456/instruction-def.h91
-rw-r--r--src/arch/arm/v456/instruction.c683
-rw-r--r--src/arch/arm/v456/instruction.h105
-rw-r--r--src/arch/arm/v456/operands/Makefile.am18
-rw-r--r--src/arch/arm/v456/operands/content.c257
-rw-r--r--src/arch/arm/v456/operands/content.h70
-rw-r--r--src/arch/arm/v456/operands/register.c232
-rw-r--r--src/arch/arm/v456/operands/register.h69
-rw-r--r--src/arch/arm/v456/register.c251
-rw-r--r--src/arch/arm/v456/register.h69
-rw-r--r--src/arch/immediate.c60
-rw-r--r--src/arch/immediate.h3
22 files changed, 2574 insertions, 6 deletions
diff --git a/src/arch/arm/Makefile.am b/src/arch/arm/Makefile.am
index f97d24a..16860e3 100644
--- a/src/arch/arm/Makefile.am
+++ b/src/arch/arm/Makefile.am
@@ -2,8 +2,14 @@
noinst_LTLIBRARIES = libarcharm.la
libarcharm_la_SOURCES = \
+ encoding.h \
+ instruction-int.h \
+ instruction.h instruction.c \
processor.h processor.c
+libarcharm_la_LIBADD = \
+ v456/libarcharmv456.la
+
libarcharm_la_CFLAGS = $(AM_CFLAGS)
@@ -14,4 +20,4 @@ AM_CPPFLAGS =
AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
-SUBDIRS =
+SUBDIRS = v456
diff --git a/src/arch/arm/encoding.h b/src/arch/arm/encoding.h
new file mode 100644
index 0000000..35685dd
--- /dev/null
+++ b/src/arch/arm/encoding.h
@@ -0,0 +1,70 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * encoding.h - prototypes pour le décodage des instructions ARM
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_ENCODING_H
+#define _ARCH_ARM_ENCODING_H
+
+
+
+
+
+
+
+/**
+ * ARMv8 Instruction Set Overview.
+ * § 4.3 Condition Codes.
+ */
+
+
+/* Liste des conditions possibles */
+typedef enum _ArmCondCode
+{
+ ACC_EQ = 0x0, /* Equal */
+ ACC_NE = 0x1, /* Not equal */
+ ACC_HS = 0x2, /* Unsigned higher or same */
+ ACC_LO = 0x2, /* Unsigned lower */
+ ACC_MI = 0x3, /* Minus */
+ ACC_PL = 0x4, /* Plus or zero */
+ ACC_VS = 0x5, /* Overflow set */
+ ACC_VC = 0x6, /* Overflow clear */
+ ACC_HI = 0x7, /* Unsigned higher */
+ ACC_LS = 0x9, /* Unsigned lower or same */
+ ACC_GE = 0xa, /* Signed greater than or equal*/
+ ACC_LT = 0xb, /* Signed less than */
+ ACC_GT = 0xc, /* Signed greater than */
+ ACC_LE = 0xd, /* Signed less than or equal */
+ ACC_AL = 0xe, /* Always */
+ ACC_NV = 0xf, /* (Never) */
+
+} ArmCondCode;
+
+
+
+#define INSTR_TO_COND(i) (((i) & 0xf0000000) >> 28)
+
+
+
+
+
+
+#endif /* _ARCH_ARM_ENCODING_H */
diff --git a/src/arch/arm/instruction-int.h b/src/arch/arm/instruction-int.h
new file mode 100644
index 0000000..b54782b
--- /dev/null
+++ b/src/arch/arm/instruction-int.h
@@ -0,0 +1,48 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction-int.h - prototypes pour la définition générique interne des instructions ARM
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_INSTRUCTION_INT_H
+#define _ARCH_ARM_INSTRUCTION_INT_H
+
+
+#include "../instruction-int.h"
+
+
+
+/* Définition générique d'une instruction d'architecture ARM (instance) */
+struct _GArmInstruction
+{
+ GArchInstruction parent; /* A laisser en premier */
+
+};
+
+/* Définition générique d'une instruction d'architecture ARM (classe) */
+struct _GArmInstructionClass
+{
+ GArchInstructionClass parent; /* A laisser en premier */
+
+};
+
+
+
+#endif /* _ARCH_ARM_INSTRUCTION_INT_H */
diff --git a/src/arch/arm/instruction.c b/src/arch/arm/instruction.c
new file mode 100644
index 0000000..eb67e4f
--- /dev/null
+++ b/src/arch/arm/instruction.c
@@ -0,0 +1,128 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.c - gestion des instructions de la ARM
+ *
+ * Copyright (C) 2013 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 "instruction.h"
+
+
+#include "instruction-int.h"
+
+
+
+
+
+/* Initialise la classe des instructions pour Arm. */
+static void g_arm_instruction_class_init(GArmInstructionClass *);
+
+/* Initialise une instance d'opérande d'architecture Arm. */
+static void g_arm_instruction_init(GArmInstruction *);
+
+
+
+
+
+
+/* Indique le type défini pour une instruction d'architecture Arm. */
+G_DEFINE_TYPE(GArmInstruction, g_arm_instruction, G_TYPE_ARCH_INSTRUCTION);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des instructions pour ARM. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_arm_instruction_class_init(GArmInstructionClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instance à initialiser. *
+* *
+* Description : Initialise une instance d'instruction d'architecture ARM. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_arm_instruction_init(GArmInstruction *instr)
+{
+ GArchInstruction *parent; /* Instance parente */
+
+ parent = G_ARCH_INSTRUCTION(instr);
+
+ /* ... TODO ! */
+
+}
+
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* AIDE A LA MISE EN PLACE D'INSTRUCTIONS */
+/* ---------------------------------------------------------------------------------- */
+
+
+
+#if 0
+
+/******************************************************************************
+* *
+* Paramètres : data = flux de données à analyser. *
+* pos = position courante dans ce flux. *
+* len = taille totale des données à analyser. *
+* *
+* Description : Recherche l'identifiant de la prochaine instruction. *
+* *
+* Retour : Identifiant de la prochaine instruction à tenter de charger. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+ArmOpcodes arm_guess_next_instruction(const bin_t *data, off_t pos, off_t len)
+{
+ ArmOpcodes result; /* Identifiant à retourner */
+
+ result = (ArmOpcodes)data[pos];
+
+ /* Si l'instruction est marquée comme non utilisée... */
+ if (_instructions[result].keyword == NULL)
+ result = DOP_COUNT;
+
+ return result;
+
+}
+
+#endif
diff --git a/src/arch/arm/instruction.h b/src/arch/arm/instruction.h
new file mode 100644
index 0000000..1e03523
--- /dev/null
+++ b/src/arch/arm/instruction.h
@@ -0,0 +1,62 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.h - prototypes pour la gestion des instructions ARM
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_INSTRUCTION_H
+#define _ARCH_ARM_INSTRUCTION_H
+
+
+#include "../instruction.h"
+
+
+
+#define G_TYPE_ARM_INSTRUCTION g_arm_instruction_get_type()
+#define G_ARM_INSTRUCTION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_arm_instruction_get_type(), GArmInstruction))
+#define G_IS_ARM_INSTRUCTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_arm_instruction_get_type()))
+#define G_ARM_INSTRUCTION_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE((inst), g_arm_instruction_get_type(), GArmInstructionIface))
+
+
+/* Définition générique d'une instruction d'architecture ARM (instance) */
+typedef struct _GArmInstruction GArmInstruction;
+
+/* Définition générique d'une instruction d'architecture ARM (classe) */
+typedef struct _GArmInstructionClass GArmInstructionClass;
+
+
+/* Indique le type défini pour une instruction d'architecture ARM. */
+GType g_arm_instruction_get_type(void);
+
+
+
+/* --------------------- AIDE A LA MISE EN PLACE D'INSTRUCTIONS --------------------- */
+
+
+/* Recherche l'identifiant de la prochaine instruction. */
+//ArmOpcodes arm_guess_next_instruction(const bin_t *, off_t, off_t);
+
+
+
+/* ------------------------ AIDE A LA PHASE DE DECOMPILATION ------------------------ */
+
+
+
+#endif /* _ARCH_ARM_INSTRUCTION_H */
diff --git a/src/arch/arm/processor.c b/src/arch/arm/processor.c
index 79a44fe..baf13ab 100644
--- a/src/arch/arm/processor.c
+++ b/src/arch/arm/processor.c
@@ -53,7 +53,7 @@ static void g_arm_processor_class_init(GArmProcessorClass *);
static void g_arm_processor_init(GArmProcessor *);
/* Décode une instruction dans un flux de données. */
-static GArchInstruction *g_arm_processor_decode_instruction(const GArmProcessor *, const bin_t *, off_t *, off_t, vmpa_t);
+static GArchInstruction *g_arm_processor_decode_instruction(const GArmProcessor *, GProcContext *, const bin_t *, off_t *, off_t, vmpa_t, GBinFormat *);
/* Indique le type défini par la GLib pour le processeur ARM. */
@@ -131,11 +131,13 @@ GArchProcessor *g_arm_processor_new(void)
/******************************************************************************
* *
-* Paramètres : proc = architecture visée par la procédure. *
+* Paramètres : proc = architecture visée par la procédure. *
+* ctx = contexte lié à l'exécution du processeur. *
* data = flux de données à analyser. *
* pos = position courante dans ce flux. [OUT] *
* len = taille totale des données à analyser. *
* addr = adresse virtuelle de l'instruction. *
+* format = format du fichier contenant le code. *
* *
* Description : Décode une instruction dans un flux de données. *
* *
@@ -144,14 +146,28 @@ GArchProcessor *g_arm_processor_new(void)
* Remarques : - *
* *
******************************************************************************/
+#include "encoding.h"
+extern GArchInstruction *try_to_decode_arm_v456_instr(bin_t *);
-static GArchInstruction *g_arm_processor_decode_instruction(const GArmProcessor *proc, const bin_t *data, off_t *pos, off_t len, vmpa_t addr)
+static GArchInstruction *g_arm_processor_decode_instruction(const GArmProcessor *proc, GProcContext *ctx, const bin_t *data, off_t *pos, off_t len, vmpa_t addr, GBinFormat *format)
{
GArchInstruction *result; /* Instruction à renvoyer */
- result = NULL;
+ uint32_t *instr;
+ if (data == NULL)
+ return NULL;
+
+
+ instr = (uint32_t *)(data + *pos);
+
+
+ //printf("[0x%08x] cond=%x\n", *instr, INSTR_TO_COND(*instr));
+
+ result = try_to_decode_arm_v456_instr(data + *pos);
+
+ if (result != NULL) *pos += 4;
return result;
diff --git a/src/arch/arm/v456/Makefile.am b/src/arch/arm/v456/Makefile.am
new file mode 100644
index 0000000..744777e
--- /dev/null
+++ b/src/arch/arm/v456/Makefile.am
@@ -0,0 +1,24 @@
+
+noinst_LTLIBRARIES = libarcharmv456.la
+
+libarcharmv456_la_SOURCES = \
+ addressing.h addressing.c \
+ encoding.h \
+ instruction-def.h \
+ instruction.h instruction.c \
+ register.h register.c
+
+libarcharmv456_la_LIBADD = \
+ operands/libarcharmv456operands.la
+
+libarcharmv456_la_CFLAGS = $(AM_CFLAGS)
+
+
+INCLUDES = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+
+AM_CPPFLAGS =
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
+
+
+SUBDIRS = operands
diff --git a/src/arch/arm/v456/addressing.c b/src/arch/arm/v456/addressing.c
new file mode 100644
index 0000000..22ce11a
--- /dev/null
+++ b/src/arch/arm/v456/addressing.c
@@ -0,0 +1,82 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * addressing.c - prise en compte des modes d'adressage ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 "addressing.h"
+
+
+#include "encoding.h"
+#include "register.h"
+#include "operands/content.h"
+#include "operands/register.h"
+
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction à compléter. *
+* data = mot de données contenant les indications. *
+* format = format du binaire manipulé. *
+* *
+* Description : Charge les opérandes selon le mode d'adressage § A5.2.1. *
+* *
+* Retour : true si le décodage s'est bien déroulé. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool build_v456_operands_with_load_immediate_offset(GArmV456Instruction *instr, uint32_t data, const GExeFormat *format)
+{
+ uint8_t rd_index; /* Indice du registre Rd */
+ GArmV456Register *rd_reg; /* Registre Rd en place */
+ GArchOperand *op; /* Opérande à ajouter */
+ uint8_t rn_index; /* Indice du registre Rn */
+ GArmV456Register *rn_reg; /* Registre Rn en place */
+ uint16_t value; /* Valeur de décallage */
+ GImmOperand *offset; /* Opérande de décallage */
+ bool add; /* Utilisation du décallage */
+
+ /* Destination */
+
+ rd_index = ARM_V456_REG_RD(data);
+ rd_reg = g_armv456_register_new(rd_index);
+
+ op = g_armv456_register_operand_new_from_existing(rd_reg);
+ g_arch_instruction_attach_extra_operand(G_ARCH_INSTRUCTION(instr), op);
+
+ /* Source */
+
+ rn_index = ARM_V456_REG_RN(data);
+ rn_reg = g_armv456_register_new(rn_index);
+
+ value = ARM_V456_ADDR_MODE(data);
+ offset = G_IMM_OPERAND(g_imm_operand_new_from_value(MDS_16_BITS_UNSIGNED, value));
+
+ add = (data & ARM_V456_BIT_U);
+
+ op = g_armv456_content_operand_new(rn_reg, offset, add);
+ g_arch_instruction_attach_extra_operand(G_ARCH_INSTRUCTION(instr), op);
+
+ return true;
+
+}
diff --git a/src/arch/arm/v456/addressing.h b/src/arch/arm/v456/addressing.h
new file mode 100644
index 0000000..972508d
--- /dev/null
+++ b/src/arch/arm/v456/addressing.h
@@ -0,0 +1,38 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * addressing.h - prototypes pour la prise en compte des modes d'adressage ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_ADDRESSING_H
+#define _ARCH_ARM_V456_ADDRESSING_H
+
+
+#include "instruction.h"
+
+
+
+/* Charge les opérandes selon le mode d'adressage § A5.2.1. */
+bool build_v456_operands_with_load_immediate_offset(GArmV456Instruction *, uint32_t, const GExeFormat *);
+
+
+
+
+#endif /* _ARCH_ARM_V456_ADDRESSING_H */
diff --git a/src/arch/arm/v456/encoding.h b/src/arch/arm/v456/encoding.h
new file mode 100644
index 0000000..0c9716c
--- /dev/null
+++ b/src/arch/arm/v456/encoding.h
@@ -0,0 +1,188 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * encoding.h - prototypes pour le décodage des instructions ARM v4/v5/v6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_ENCODING_H
+#define _ARCH_ARM_V456_ENCODING_H
+
+
+#include <stdint.h>
+
+
+
+/**
+ * Coprocessor data processing.
+ * § A3.1 Instruction set encoding.
+ */
+
+
+#define ARM_V456_DATA_PROC_IMM_SHIFT_1_BITS 0x0e000010
+#define ARM_V456_DATA_PROC_IMM_SHIFT_1_MASK 0x00000000
+
+#define ARM_V456_MISC_INSTRUCTIONS_BITS 0x0f900010
+#define ARM_V456_MISC_INSTRUCTIONS_MASK 0x01000000
+
+#define ARM_V456_DATA_PROC_IMM_SHIFT_2_BITS 0x0e000090
+#define ARM_V456_DATA_PROC_IMM_SHIFT_2_MASK 0x00000010
+
+#define ARM_V456_MISC_INSTRS_BITS 0x0f900090
+#define ARM_V456_MISC_INSTRS_MASK 0x01000010
+
+#define ARM_V456_MUL_EXTRA_LD_ST_BITS 0x0e000090
+#define ARM_V456_MUL_EXTRA_LD_ST_MASK 0x00000090
+
+#define ARM_V456_DATA_PROC_IMM_2_BITS 0x0e000000
+#define ARM_V456_DATA_PROC_IMM_2_MASK 0x02000000
+
+#define ARM_V456_UNDEF_INSTR_BITS 0x0fb00000
+#define ARM_V456_UNDEF_INSTR_MASK 0x03000000
+
+#define ARM_V456_MOVE_IMM_STATUS_REG_BITS 0x0fb00000
+#define ARM_V456_MOVE_IMM_STATUS_REG_MASK 0x03200000
+
+#define ARM_V456_LD_ST_IMM_OFFSET_BITS 0x0e000000
+#define ARM_V456_LD_ST_IMM_OFFSET_MASK 0x04000000
+
+#define ARM_V456_ISET_LD_ST_REG_OFFSET_BITS 0x0e000010
+#define ARM_V456_ISET_LD_ST_REG_OFFSET_MASK 0x06000000
+
+#define ARM_V456_ISET_MEDIA_INSTRS_4_BITS 0x0e000010
+#define ARM_V456_ISET_MEDIA_INSTRS_4_MASK 0x06000010
+
+#define ARM_V456_ISET_ARCH_UNDEFINED_BITS 0x0ff000f0
+#define ARM_V456_ISET_ARCH_UNDEFINED_MASK 0x07f000f0
+
+#define ARM_V456_ISET_LD_ST_MULTIPLE_BITS 0x0e000000
+#define ARM_V456_ISET_LD_ST_MULTIPLE_MASK 0x08000000
+
+#define ARM_V456_ISET_BRANCH_LINK_BITS 0x0e000000
+#define ARM_V456_ISET_BRANCH_LINK_MASK 0x0a000000
+
+#define ARM_V456_ISET_LD_ST_REG_TRANS_BITS 0x0e000000
+#define ARM_V456_ISET_LD_ST_REG_TRANS_MASK 0x0c000000
+
+#define ARM_V456_ISET_COPROC_DATA_PROC_BITS 0x0f000010
+#define ARM_V456_ISET_COPROC_DATA_PROC_MASK 0x0e000000
+
+#define ARM_V456_ISET_COPROC_REG_TRANS_BITS 0x0f000010
+#define ARM_V456_ISET_COPROC_REG_TRANS_MASK 0x0e000010
+
+#define ARM_V456_ISET_SOFT_INTERRUPT_BITS 0x0f000000
+#define ARM_V456_ISET_SOFT_INTERRUPT_MASK 0x0f000000
+
+#define ARM_V456_ISET_UNCOND_INSTRS_BITS 0xf0000000
+#define ARM_V456_ISET_UNCOND_INSTRS_MASK 0xf0000000
+
+
+/* Enumération des jeux possibles */
+typedef enum _ArmV456InstrSets
+{
+ ARM_V456_ISET_DATA_PROC_IMM_SHIFT_1, /* Data processing immediate shift */
+ ARM_V456_ISET_MISC_INSTRUCTIONS, /* Miscellaneous instructions */
+ ARM_V456_ISET_DATA_PROC_IMM_SHIFT_2, /* Data processing register shift [2] */
+ ARM_V456_MISC_INSTRS, /* Miscellaneous instructions */
+ ARM_V456_MUL_EXTRA_LD_ST, /* Multiplies - Extra load/stores */
+ ARM_V456_DATA_PROC_IMM_2, /* Data processing immediate [2] */
+ ARM_V456_UNDEF_INSTR, /* Undefined instruction */
+ ARM_V456_MOVE_IMM_STATUS_REG, /* Move immediate to status register */
+ ARM_V456_LD_ST_IMM_OFFSET, /* Load/store immediate offset */
+ ARM_V456_ISET_LD_ST_REG_OFFSET, /* Load/store register offset */
+ ARM_V456_ISET_MEDIA_INSTRS_4, /* Media instructions [4] */
+ ARM_V456_ISET_ARCH_UNDEFINED, /* Architecturally undefined */
+ ARM_V456_ISET_LD_ST_MULTIPLE, /* Load/store multiple */
+ ARM_V456_ISET_BRANCH_LINK, /* Branch and branch with link */
+ ARM_V456_ISET_LD_ST_REG_TRANS, /* Coproc. load/store and double register transfers */
+ ARM_V456_ISET_COPROC_DATA_PROC, /* Coprocessor data processing */
+ ARM_V456_ISET_COPROC_REG_TRANS, /* Coprocessor register transfers */
+ ARM_V456_ISET_SOFT_INTERRUPT, /* Software interrupt */
+ ARM_V456_ISET_UNCOND_INSTRS, /* Unconditional instructions */
+
+ ARM_V456_ISET_COUNT
+
+} ArmV456InstrSets;
+
+
+/* Jeux réordonnés pour la reconnaissance */
+static const uint32_t _arm_v456_encoding_sets[ARM_V456_ISET_COUNT][2] = {
+
+ /* 0 0 0 */
+ { ARM_V456_MISC_INSTRS_BITS, ARM_V456_MISC_INSTRS_MASK },
+ { ARM_V456_MISC_INSTRUCTIONS_BITS, ARM_V456_MISC_INSTRUCTIONS_MASK },
+ { ARM_V456_DATA_PROC_IMM_SHIFT_2_BITS, ARM_V456_DATA_PROC_IMM_SHIFT_2_MASK },
+ { ARM_V456_MUL_EXTRA_LD_ST_BITS, ARM_V456_MUL_EXTRA_LD_ST_MASK },
+ { ARM_V456_DATA_PROC_IMM_SHIFT_1_BITS, ARM_V456_DATA_PROC_IMM_SHIFT_1_MASK },
+
+ /* 0 0 1 */
+ { ARM_V456_UNDEF_INSTR_BITS, ARM_V456_UNDEF_INSTR_MASK },
+ { ARM_V456_MOVE_IMM_STATUS_REG_BITS, ARM_V456_MOVE_IMM_STATUS_REG_MASK },
+ { ARM_V456_DATA_PROC_IMM_2_BITS, ARM_V456_DATA_PROC_IMM_2_MASK },
+
+ /* 0 1 0 */
+ { ARM_V456_LD_ST_IMM_OFFSET_BITS, ARM_V456_LD_ST_IMM_OFFSET_MASK },
+
+ /* 0 1 1 */
+ { ARM_V456_ISET_ARCH_UNDEFINED_BITS, ARM_V456_ISET_ARCH_UNDEFINED_MASK },
+ { ARM_V456_ISET_LD_ST_REG_OFFSET_BITS, ARM_V456_ISET_LD_ST_REG_OFFSET_MASK },
+ { ARM_V456_ISET_MEDIA_INSTRS_4_BITS, ARM_V456_ISET_MEDIA_INSTRS_4_MASK },
+
+ /* 1 0 0 */
+ { ARM_V456_ISET_LD_ST_MULTIPLE_BITS, ARM_V456_ISET_LD_ST_MULTIPLE_MASK },
+
+ /* 1 0 1 */
+ { ARM_V456_ISET_BRANCH_LINK_BITS, ARM_V456_ISET_BRANCH_LINK_MASK },
+
+ /* 1 1 0 */
+ { ARM_V456_ISET_LD_ST_REG_TRANS_BITS, ARM_V456_ISET_LD_ST_REG_TRANS_MASK },
+
+ /* 1 1 1 */
+ { ARM_V456_ISET_COPROC_DATA_PROC_BITS, ARM_V456_ISET_COPROC_DATA_PROC_MASK },
+ { ARM_V456_ISET_COPROC_REG_TRANS_BITS, ARM_V456_ISET_COPROC_REG_TRANS_MASK },
+ { ARM_V456_ISET_SOFT_INTERRUPT_BITS, ARM_V456_ISET_SOFT_INTERRUPT_MASK },
+
+ /* x x x */
+ { ARM_V456_ISET_UNCOND_INSTRS_BITS, ARM_V456_ISET_UNCOND_INSTRS_MASK }
+
+};
+
+
+
+
+#define IS_ENCODING_SET(val, set) (((val) & (set[0])) == (set[1]))
+
+
+
+
+#define ARM_V456_BIT_L (1 << 20)
+#define ARM_V456_BIT_W (1 << 21)
+#define ARM_V456_BIT_U (1 << 22)
+#define ARM_V456_BIT_P (1 << 23)
+#define ARM_V456_BIT_I (1 << 24)
+
+#define ARM_V456_REG_RN(instr) (((instr) >> 16) & 0x0f)
+#define ARM_V456_REG_RD(instr) (((instr) >> 12) & 0x0f)
+
+#define ARM_V456_ADDR_MODE(instr) ((instr) & 0xfff)
+
+
+
+
+#endif /* _ARCH_ARM_V456_ENCODING_H */
diff --git a/src/arch/arm/v456/instruction-def.h b/src/arch/arm/v456/instruction-def.h
new file mode 100644
index 0000000..521f939
--- /dev/null
+++ b/src/arch/arm/v456/instruction-def.h
@@ -0,0 +1,91 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction-def.h - définition interne des identifiants d'instructions ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_INSTRUCTION_DEF_H
+#define _ARCH_ARM_V456_INSTRUCTION_DEF_H
+
+
+
+
+
+/**
+ * ARM Architecture Reference Manual.
+ * A4.2 ARM instructions and architecture versions.
+ */
+
+#define ARM_VERSION_4 (1 << 1)
+#define ARM_VERSION_V4T (1 << 2)
+#define ARM_VERSION_V5T (1 << 3)
+#define ARM_VERSION_V5TE (1 << 4)
+#define ARM_VERSION_V5TEJ (1 << 5)
+#define ARM_VERSION_V6 (1 << 6)
+#define ARM_VERSION_V5TEXP (1 << 7)
+
+#define ARM_VERSION_ALL_456 (ARM_VERSION_4 \
+ | ARM_VERSION_V4T \
+ | ARM_VERSION_V5T \
+ | ARM_VERSION_V5TE \
+ | ARM_VERSION_V5TEJ \
+ | ARM_VERSION_V6 \
+ | ARM_VERSION_V5TEXP)
+
+
+
+
+/* Enumération de tous les opcodes */
+typedef enum _ArmV456Opcodes
+{
+ /**
+ * ARM Architecture Reference Manual.
+ * § A3.4 Data-processing instructions.
+ */
+
+ AOP_AND, /* and (0x00) */
+ AOP_EOR, /* eor (0x01) */
+ AOP_SUB, /* sub (0x02) */
+ AOP_RSB, /* rsb (0x03) */
+ AOP_ADD, /* add (0x04) */
+ AOP_ADC, /* adc (0x05) */
+ AOP_SBC, /* sbc (0x06) */
+ AOP_RSC, /* rsc (0x07) */
+ AOP_TST, /* tst (0x08) */
+ AOP_TEQ, /* teq (0x09) */
+ AOP_CMP, /* cmp (0x0a) */
+ AOP_CMN, /* cmn (0x0b) */
+ AOP_ORR, /* orr (0x0c) */
+ AOP_MOV, /* mov (0x0d) */
+ AOP_BIC, /* bic (0x0e) */
+ AOP_MVN, /* mvn (0x0f) */
+
+
+ AOP_LDR,
+ AOP_STR,
+
+
+ AOP_COUNT
+
+} ArmV456Opcodes;
+
+
+
+#endif /* _ARCH_ARM_V456_INSTRUCTION_DEF_H */
diff --git a/src/arch/arm/v456/instruction.c b/src/arch/arm/v456/instruction.c
new file mode 100644
index 0000000..7f69beb
--- /dev/null
+++ b/src/arch/arm/v456/instruction.c
@@ -0,0 +1,683 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.c - gestion des instructions ARM v4/v5/v6
+ *
+ * Copyright (C) 2013 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 "instruction.h"
+
+
+#include "encoding.h"
+
+
+#include "../instruction-int.h"
+
+
+
+////////
+#include <malloc.h>
+/////////
+
+
+
+typedef unsigned char bin_t;
+
+typedef unsigned int arch_version_t;
+
+
+
+/* -------------------------- INSTRUCTIONS POUR ARM v4/5/6 -------------------------- */
+
+
+/* Définition d'une instruction d'architecture ARM v4/5/6 (instance) */
+struct _GArmV456Instruction
+{
+ GArchInstruction parent; /* A laisser en premier */
+
+ ArmV456Opcodes type; /* Type d'instruction en place */
+
+};
+
+/* Définition d'une instruction d'architecture ARM v4/5/6 (classe) */
+struct _GArmV456InstructionClass
+{
+ GArchInstructionClass parent; /* A laisser en premier */
+
+};
+
+
+/* Initialise la classe des instructions pour ARM v4/5/6. */
+static void g_armv456_instruction_class_init(GArmV456InstructionClass *);
+
+/* Initialise une instance d'opérande d'architecture ARM v4/5/6. */
+static void g_armv456_instruction_init(GArmV456Instruction *);
+
+/* Traduit une instruction en version humainement lisible. */
+static const char *g_armv456_get_instruction_text(const GArmV456Instruction *, const GExeFormat *, AsmSyntax);
+
+
+
+
+/* --------------------- AIDE A LA MISE EN PLACE D'INSTRUCTIONS --------------------- */
+
+
+/* Répertoire de toutes les instructions ARM v4/5/6 */
+typedef struct _arm_v456_instruction
+{
+ bin_t opcode; /* Opcode de l'instruction */
+ const char *keyword; /* Mot clef de la commande */
+
+ arch_version_t version; /* Version de l'architecture */
+
+ //decomp_instr_fc decomp; /* Procédure de décompilation */
+
+} arm_v456_instruction;
+
+
+/* Liste de toutes les instructions */
+static arm_v456_instruction _instructions[AOP_COUNT] = {
+
+ [AOP_AND] = { 0x00, "and", ARM_VERSION_ALL_456 },
+ [AOP_EOR] = { 0x01, "eor", ARM_VERSION_ALL_456 },
+ [AOP_SUB] = { 0x02, "sub", ARM_VERSION_ALL_456 },
+ [AOP_RSB] = { 0x03, "rsb", ARM_VERSION_ALL_456 },
+ [AOP_ADD] = { 0x04, "add", ARM_VERSION_ALL_456 },
+ [AOP_ADC] = { 0x05, "adc", ARM_VERSION_ALL_456 },
+ [AOP_SBC] = { 0x06, "sbc", ARM_VERSION_ALL_456 },
+ [AOP_RSC] = { 0x07, "rsc", ARM_VERSION_ALL_456 },
+ [AOP_TST] = { 0x08, "tst", ARM_VERSION_ALL_456 },
+ [AOP_TEQ] = { 0x09, "teq", ARM_VERSION_ALL_456 },
+ [AOP_CMP] = { 0x0a, "cmp", ARM_VERSION_ALL_456 },
+ [AOP_CMN] = { 0x0b, "cmn", ARM_VERSION_ALL_456 },
+ [AOP_ORR] = { 0x0c, "orr", ARM_VERSION_ALL_456 },
+ [AOP_MOV] = { 0x0d, "mov", ARM_VERSION_ALL_456 },
+ [AOP_BIC] = { 0x0e, "bic", ARM_VERSION_ALL_456 },
+ [AOP_MVN] = { 0x0f, "mov", ARM_VERSION_ALL_456 },
+
+ [AOP_LDR] = { 0xff, "ldr", ARM_VERSION_ALL_456 },
+ [AOP_STR] = { 0xff, "ldr", ARM_VERSION_ALL_456 }
+
+
+
+};
+
+
+/* Constitution d'un groupe */
+static arm_v456_instruction *_data_processing_instrs[17] = {
+
+ &_instructions[AOP_AND], &_instructions[AOP_EOR], &_instructions[AOP_SUB],
+ &_instructions[AOP_RSB], &_instructions[AOP_ADD], &_instructions[AOP_ADC],
+ &_instructions[AOP_SBC], &_instructions[AOP_RSC], &_instructions[AOP_TST],
+ &_instructions[AOP_TEQ], &_instructions[AOP_CMP], &_instructions[AOP_CMN],
+ &_instructions[AOP_ORR], &_instructions[AOP_MOV], &_instructions[AOP_BIC],
+ &_instructions[AOP_MVN], NULL
+
+};
+
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* INSTRUCTIONS POUR ARM v4/5/6 */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour une instruction d'architecture Dalvik. */
+G_DEFINE_TYPE(GArmV456Instruction, g_armv456_instruction, G_TYPE_ARCH_INSTRUCTION);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des instructions pour Dalvik. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_instruction_class_init(GArmV456InstructionClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instance à initialiser. *
+* *
+* Description : Initialise une instance d'instruction d'architecture Dalvik. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_instruction_init(GArmV456Instruction *instr)
+{
+ GArchInstruction *parent; /* Instance parente */
+
+ parent = G_ARCH_INSTRUCTION(instr);
+
+ parent->get_text = (get_instruction_text_fc)g_armv456_get_instruction_text;
+
+ /*
+ parent->get_rw_regs = (get_instruction_rw_regs_fc)g_armv456_instruction_get_rw_registers;
+ parent->get_text = (get_instruction_text_fc)dalvik_get_instruction_text;
+ parent->get_link = (get_instruction_link_fc)dalvik_get_instruction_link;
+ parent->is_return = (is_instruction_return_fc)dalvik_instruction_is_return;
+ parent->decomp = (decomp_instr_fc)dalvik_instruction_decompile;
+ */
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : type = type d'instruction à représenter. *
+* *
+* Description : Crée une instruction pour l'architecture Dalvik. *
+* *
+* Retour : Architecture mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArchInstruction *g_armv456_instruction_new(ArmV456Opcodes type)
+{
+ GArchInstruction *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_ARMV456_INSTRUCTION, NULL);
+
+ G_ARMV456_INSTRUCTION(result)->type = type;
+
+ return result;
+
+}
+
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction à traiter. *
+* format = format du binaire manipulé. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit une instruction en version humainement lisible. *
+* *
+* Retour : Chaîne de caractères à libérer de la mémoire. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static const char *g_armv456_get_instruction_text(const GArmV456Instruction *instr, const GExeFormat *format, AsmSyntax syntax)
+{
+ return _instructions[instr->type].keyword;
+
+}
+
+
+#include "addressing.h"
+
+
+GArchInstruction *try_to_decode_arm_v456_instr(bin_t *data)
+{
+ GArchInstruction *result; /* Instruction à retourner */
+ uint32_t *instr;
+
+ ArmV456InstrSets i; /* Boucle de parcours */
+
+ result = NULL;
+
+ instr = (uint32_t *)data;
+
+ //printf("instr = 0x%x\n", *instr);
+
+
+
+ for (i = 0; i < ARM_V456_ISET_COUNT; i++)
+ if (IS_ENCODING_SET(*instr, _arm_v456_encoding_sets[i]))
+ break;
+
+ switch (i)
+ {
+ case ARM_V456_ISET_COUNT:
+ printf("failed !\n");
+ break;
+
+
+ case ARM_V456_LD_ST_IMM_OFFSET:
+ //printf("LOAD !! %s\n", *instr & ARM_V456_BIT_L ? "load" : "store");
+
+
+
+ result = g_armv456_instruction_new(*instr & ARM_V456_BIT_L ? AOP_LDR : AOP_STR);
+
+
+ /*bool */build_v456_operands_with_load_immediate_offset(result, *instr, NULL);
+
+
+ break;
+
+
+ default:
+ //printf("got it !\n");
+ break;
+
+ }
+
+
+
+
+ return result;
+
+}
+
+
+
+
+#if 0
+
+#include "instruction-int.h"
+#include "decomp/translate.h"
+#include "operands/register.h"
+#include "operands/target.h"
+#include "../instruction-int.h"
+#include "../register-int.h"
+
+
+
+/* Initialise la classe des instructions pour Dalvik. */
+static void g_dalvik_instruction_class_init(GDalvikInstructionClass *);
+
+/* Initialise une instance d'opérande d'architecture Dalvik. */
+static void g_dalvik_instruction_init(GDalvikInstruction *);
+
+/* Liste les registres lus et écrits par l'instruction. */
+static void g_dalvik_instruction_get_rw_registers(const GDalvikInstruction *, GArchRegister ***, size_t *, GArchRegister ***, size_t *);
+
+
+
+/* --------------------- AIDE A LA MISE EN PLACE D'INSTRUCTIONS --------------------- */
+
+
+/* Répertoire de toutes les instructions Dalvik */
+typedef struct _dalvik_instruction
+{
+ bin_t opcode; /* Opcode de l'instruction */
+
+ const char *keyword; /* Mot clef de la commande */
+
+ decomp_instr_fc decomp; /* Procédure de décompilation */
+
+} dalvik_instruction;
+
+
+static dalvik_instruction _instructions[DOP_COUNT] = {
+
+};
+
+
+/* Traduit une instruction en version humainement lisible. */
+static const char *dalvik_get_instruction_text(const GDalvikInstruction *, const GExeFormat *, AsmSyntax);
+
+/* Informe sur une éventuelle référence à une autre instruction. */
+static InstructionLinkType dalvik_get_instruction_link(const GDalvikInstruction *, vmpa_t *);
+
+/* Indique si l'instruction correspond à un retour de fonction. */
+static bool dalvik_instruction_is_return(const GDalvikInstruction *);
+
+/* Décompile une instruction de la machine virtuelle Dalvik. */
+GDecInstruction *dalvik_instruction_decompile(const GDalvikInstruction *, GDecContext *);
+
+
+
+/* Indique le type défini pour une instruction d'architecture Dalvik. */
+G_DEFINE_TYPE(GDalvikInstruction, g_dalvik_instruction, G_TYPE_ARCH_INSTRUCTION);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des instructions pour Dalvik. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dalvik_instruction_class_init(GDalvikInstructionClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instance à initialiser. *
+* *
+* Description : Initialise une instance d'instruction d'architecture Dalvik. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dalvik_instruction_init(GDalvikInstruction *instr)
+{
+ GArchInstruction *parent; /* Instance parente */
+
+ parent = G_ARCH_INSTRUCTION(instr);
+
+ parent->get_rw_regs = (get_instruction_rw_regs_fc)g_dalvik_instruction_get_rw_registers;
+ parent->get_text = (get_instruction_text_fc)dalvik_get_instruction_text;
+ parent->get_link = (get_instruction_link_fc)dalvik_get_instruction_link;
+ parent->is_return = (is_instruction_return_fc)dalvik_instruction_is_return;
+ parent->decomp = (decomp_instr_fc)dalvik_instruction_decompile;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : type = type d'instruction à représenter. *
+* *
+* Description : Crée une instruction pour l'architecture Dalvik. *
+* *
+* Retour : Architecture mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArchInstruction *g_dalvik_instruction_new(DalvikOpcodes type)
+{
+ GArchInstruction *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_DALVIK_INSTRUCTION, NULL);
+
+ G_DALVIK_INSTRUCTION(result)->type = type;
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction Dalvik à consulter. *
+* *
+* Description : Indique l'opcode associé à une instruction Dalvik. *
+* *
+* Retour : Identifiant de l'instruction en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+DalvikOpcodes g_dalvik_instruction_get_opcode(const GDalvikInstruction *instr)
+{
+ return instr->type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction à consulter. *
+* rregs = liste des rgistres lus. [OUT] *
+* rcount = nombre de registres lus. [OUT] *
+* wregs = liste des rgistres écrits. [OUT] *
+* wcount = nombre de registres écrits. [OUT] *
+* *
+* Description : Liste les registres lus et écrits par l'instruction. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dalvik_instruction_get_rw_registers(const GDalvikInstruction *instr, GArchRegister ***rregs, size_t *rcount, GArchRegister ***wregs, size_t *wcount)
+{
+ GArchInstruction *base; /* Version basique à manipuler */
+ size_t i; /* Boucle de parcours */
+ GArchOperand *operand; /* Operande à analyser */
+ GDalvikRegister *reg; /* Registre concerné */
+
+ base = G_ARCH_INSTRUCTION(instr);
+
+ for (i = 0; i < base->operands_count; i++)
+ {
+ operand = base->operands[i];
+
+ if (!G_IS_DALVIK_REGISTER_OPERAND(operand))
+ continue;
+
+ reg = g_dalvik_register_operand_get(G_DALVIK_REGISTER_OPERAND(operand));
+
+ if (g_dalvik_register_operand_is_written(G_DALVIK_REGISTER_OPERAND(operand)))
+ {
+ (*wregs) = (GArchRegister **)realloc(*wregs, ++(*wcount) * sizeof(GArchRegister *));
+ (*wregs)[(*wcount) - 1] = G_ARCH_REGISTER(reg);
+ }
+ else
+ {
+ (*rregs) = (GArchRegister **)realloc(*rregs, ++(*rcount) * sizeof(GArchRegister *));
+ (*rregs)[(*rcount) - 1] = G_ARCH_REGISTER(reg);
+ }
+
+ }
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* AIDE A LA MISE EN PLACE D'INSTRUCTIONS */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : data = flux de données à analyser. *
+* pos = position courante dans ce flux. *
+* len = taille totale des données à analyser. *
+* *
+* Description : Recherche l'identifiant de la prochaine instruction. *
+* *
+* Retour : Identifiant de la prochaine instruction à tenter de charger. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+DalvikOpcodes dalvik_guess_next_instruction(const bin_t *data, off_t pos, off_t len)
+{
+ DalvikOpcodes result; /* Identifiant à retourner */
+
+ result = (DalvikOpcodes)data[pos];
+
+ /* Si l'instruction est marquée comme non utilisée... */
+ if (_instructions[result].keyword == NULL)
+ result = DOP_COUNT;
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction à traiter. *
+* format = format du binaire manipulé. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit une instruction en version humainement lisible. *
+* *
+* Retour : Chaîne de caractères à libérer de la mémoire. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static const char *dalvik_get_instruction_text(const GDalvikInstruction *instr, const GExeFormat *format, AsmSyntax syntax)
+{
+ return _instructions[instr->type].keyword;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction à consulter. *
+* addr = eventuelle adresse associée à faire connaître. [OUT] *
+* *
+* Description : Informe sur une éventuelle référence à une autre instruction.*
+* *
+* Retour : Type de lien trouvé ou ILT_NONE si aucun. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static InstructionLinkType dalvik_get_instruction_link(const GDalvikInstruction *instr, vmpa_t *addr)
+{
+ InstructionLinkType result; /* Type de lien à retourner */
+ GArchOperand *operand; /* Opérande à manipuler */
+ const GImmOperand *imm; /* Valeur immédiate */
+
+ switch (instr->type)
+ {
+ case DOP_GOTO:
+ case DOP_GOTO_16:
+ case DOP_GOTO_32:
+
+ operand = g_arch_instruction_get_operand(G_ARCH_INSTRUCTION(instr), 0);
+ imm = g_dalvik_target_operand_get_value(G_DALVIK_TARGET_OPERAND(operand));
+
+ if (g_imm_operand_to_vmpa_t(imm, addr)) result = ILT_JUMP;
+ else result = ILT_NONE;
+
+ break;
+
+ case DOP_IF_EQ:
+ case DOP_IF_NE:
+ case DOP_IF_LT:
+ case DOP_IF_GE:
+ case DOP_IF_GT:
+ case DOP_IF_LE:
+
+ operand = g_arch_instruction_get_operand(G_ARCH_INSTRUCTION(instr), 2);
+ imm = g_dalvik_target_operand_get_value(G_DALVIK_TARGET_OPERAND(operand));
+
+ if (g_imm_operand_to_vmpa_t(imm, addr)) result = ILT_JUMP_IF_TRUE;
+ else result = ILT_NONE;
+
+ break;
+
+ case DOP_IF_EQZ:
+ case DOP_IF_NEZ:
+ case DOP_IF_LTZ:
+ case DOP_IF_GEZ:
+ case DOP_IF_GTZ:
+ case DOP_IF_LEZ:
+
+ operand = g_arch_instruction_get_operand(G_ARCH_INSTRUCTION(instr), 1);
+ imm = g_dalvik_target_operand_get_value(G_DALVIK_TARGET_OPERAND(operand));
+
+ if (g_imm_operand_to_vmpa_t(imm, addr)) result = ILT_JUMP_IF_TRUE;
+ else result = ILT_NONE;
+
+ break;
+
+ default:
+ result = ILT_NONE;
+ break;
+
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction à consulter. *
+* *
+* Description : Indique si l'instruction correspond à un retour de fonction. *
+* *
+* Retour : true si l'instruction est un 'return' quelconque ou false. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool dalvik_instruction_is_return(const GDalvikInstruction *instr)
+{
+ return (instr->type == DOP_RETURN_VOID
+ || instr->type == DOP_RETURN
+ || instr->type == DOP_RETURN_WIDE
+ || instr->type == DOP_RETURN_OBJECT);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction d'origine à convertir. *
+* ctx = contexte de la phase de décompilation. *
+* *
+* Description : Décompile une instruction de la machine virtuelle Dalvik. *
+* *
+* Retour : Instruction mise en place ou NULL. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GDecInstruction *dalvik_instruction_decompile(const GDalvikInstruction *instr, GDecContext *ctx)
+{
+ GDecInstruction *result; /* Instruction à retourner */
+
+ if (_instructions[instr->type].decomp != NULL)
+ result = _instructions[instr->type].decomp(G_ARCH_INSTRUCTION(instr), ctx);
+
+ else
+ result = NULL;
+
+ return result;
+
+}
+
+
+
+#endif
diff --git a/src/arch/arm/v456/instruction.h b/src/arch/arm/v456/instruction.h
new file mode 100644
index 0000000..a9e6b71
--- /dev/null
+++ b/src/arch/arm/v456/instruction.h
@@ -0,0 +1,105 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.h - prototypes pour la gestion des instructions ARM v4/v5/v6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_INSTRUCTION_H
+#define _ARCH_ARM_V456_INSTRUCTION_H
+
+
+#include "instruction-def.h"
+#include "../../instruction.h"
+
+
+
+#define G_TYPE_ARMV456_INSTRUCTION g_armv456_instruction_get_type()
+#define G_ARMV456_INSTRUCTION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv456_instruction_get_type(), GArmV456Instruction))
+#define G_IS_ARMV456_INSTRUCTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_armv456_instruction_get_type()))
+#define G_ARMV456_INSTRUCTION_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE((inst), g_armv456_instruction_get_type(), GArmV456InstructionIface))
+
+
+/* Définition d'une instruction d'architecture ARM v4/5/6 (instance) */
+typedef struct _GArmV456Instruction GArmV456Instruction;
+
+/* Définition d'une instruction d'architecture ARM v4/5/6 (classe) */
+typedef struct _GArmV456InstructionClass GArmV456InstructionClass;
+
+
+/* Indique le type défini pour une instruction d'architecture ARM v4/5/6. */
+GType g_armv456_instruction_get_type(void);
+
+/* Crée une instruction pour l'architecture ARM v4/5/6. */
+GArchInstruction *g_armv456_instruction_new(ArmV456Opcodes);
+
+
+
+
+
+GArchInstruction *try_to_decode_arm_v456_instr(bin_t *);
+
+
+
+
+#if 0
+#include "instruction-def.h"
+#include "../../instruction.h"
+
+
+
+#define G_TYPE_DALVIK_INSTRUCTION g_dalvik_instruction_get_type()
+#define G_DALVIK_INSTRUCTION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_dalvik_instruction_get_type(), GDalvikInstruction))
+#define G_IS_DALVIK_INSTRUCTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_dalvik_instruction_get_type()))
+#define G_DALVIK_INSTRUCTION_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE((inst), g_dalvik_instruction_get_type(), GDalvikInstructionIface))
+
+
+/* Définition générique d'une instruction d'architecture Dalvik (instance) */
+typedef struct _GDalvikInstruction GDalvikInstruction;
+
+/* Définition générique d'une instruction d'architecture Dalvik (classe) */
+typedef struct _GDalvikInstructionClass GDalvikInstructionClass;
+
+
+/* Indique le type défini pour une instruction d'architecture Dalvik. */
+GType g_dalvik_instruction_get_type(void);
+
+/* Crée une instruction pour l'architecture Dalvik. */
+GArchInstruction *g_dalvik_instruction_new(DalvikOpcodes);
+
+/* Indique l'opcode associé à une instruction Dalvik. */
+DalvikOpcodes g_dalvik_instruction_get_opcode(const struct _GDalvikInstruction *);
+
+
+
+/* --------------------- AIDE A LA MISE EN PLACE D'INSTRUCTIONS --------------------- */
+
+
+/* Recherche l'identifiant de la prochaine instruction. */
+DalvikOpcodes dalvik_guess_next_instruction(const bin_t *, off_t, off_t);
+
+
+
+/* ------------------------ AIDE A LA PHASE DE DECOMPILATION ------------------------ */
+
+
+#endif
+
+
+#endif /* _ARCH_ARM_V456_INSTRUCTION_H */
diff --git a/src/arch/arm/v456/operands/Makefile.am b/src/arch/arm/v456/operands/Makefile.am
new file mode 100644
index 0000000..9a8973b
--- /dev/null
+++ b/src/arch/arm/v456/operands/Makefile.am
@@ -0,0 +1,18 @@
+
+noinst_LTLIBRARIES = libarcharmv456operands.la
+
+libarcharmv456operands_la_SOURCES = \
+ content.h content.c \
+ register.h register.c
+
+libarcharmv456_la_CFLAGS = $(AM_CFLAGS)
+
+
+INCLUDES = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+
+AM_CPPFLAGS =
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
+
+
+SUBDIRS =
diff --git a/src/arch/arm/v456/operands/content.c b/src/arch/arm/v456/operands/content.c
new file mode 100644
index 0000000..1ffceae
--- /dev/null
+++ b/src/arch/arm/v456/operands/content.c
@@ -0,0 +1,257 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * content.c - opérandes visant un registre ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 "content.h"
+
+
+#include "../../../operand-int.h"
+
+
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (instance) */
+struct _GArmV456ContentOperand
+{
+ GArchOperand parent; /* Instance parente */
+
+ GArmV456Register *reg; /* Registre représenté */
+ GImmOperand *offset; /* Décallage à appliquer */
+
+ bool add; /* Mise à jour du registre ? */
+
+ bool is_written; /* Changement de contenu */
+
+};
+
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (classe) */
+struct _GArmV456ContentOperandClass
+{
+ GArchOperandClass parent; /* Classe parente */
+
+};
+
+
+/* Initialise la classe des opérandes de registre ARM v4/5/6. */
+static void g_armv456_content_operand_class_init(GArmV456ContentOperandClass *);
+
+/* Initialise une instance d'opérande de registre ARM v4/5/6. */
+static void g_armv456_content_operand_init(GArmV456ContentOperand *);
+
+/* Compare un opérande avec un autre. */
+static bool g_armv456_content_operand_compare(const GArmV456ContentOperand *, const GArmV456ContentOperand *);
+
+/* Traduit un opérande en version humainement lisible. */
+static void g_armv456_content_operand_print(const GArmV456ContentOperand *, GBufferLine *, AsmSyntax);
+
+
+
+/* Indique le type défini par la GLib pour un opérande de registre ARM v4/5/6. */
+G_DEFINE_TYPE(GArmV456ContentOperand, g_armv456_content_operand, G_TYPE_ARCH_OPERAND);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des opérandes de registre ARM v4/5/6. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_content_operand_class_init(GArmV456ContentOperandClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance à initialiser. *
+* *
+* Description : Initialise une instance d'opérande de registre ARM v4/5/6. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_content_operand_init(GArmV456ContentOperand *operand)
+{
+ GArchOperand *parent; /* Instance parente */
+
+ parent = G_ARCH_OPERAND(operand);
+
+ parent->compare = (operand_compare_fc)g_armv456_content_operand_compare;
+ parent->print = (operand_print_fc)g_armv456_content_operand_print;
+
+ operand->is_written = false;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = registre déjà en place. *
+* offset = décallage à appliquer. *
+* add = sens du décallage. *
+* *
+* Description : Crée un opérande visant un registre ARM v4/5/6. *
+* *
+* Retour : Opérande mis en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArchOperand *g_armv456_content_operand_new(GArmV456Register *reg, GImmOperand *offset, bool add)
+{
+ GArmV456ContentOperand *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_ARMV456_CONTENT_OPERAND, NULL);
+
+ result->reg = reg;
+ result->offset = offset;
+
+ result->add = add;
+
+ return G_ARCH_OPERAND(result);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre. *
+* *
+* Description : Fournit le registre ARM v4/5/6 associé à l'opérande. *
+* *
+* Retour : Représentation interne du registre. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArmV456Register *g_armv456_content_operand_get(const GArmV456ContentOperand *operand)
+{
+ return operand->reg;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier opérande à consulter. *
+* b = second opérande à consulter. *
+* *
+* Description : Compare un opérande avec un autre. *
+* *
+* Retour : Bilan de la comparaison. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool g_armv456_content_operand_compare(const GArmV456ContentOperand *a, const GArmV456ContentOperand *b)
+{
+ return false;//(g_armv456_content_compare(a->reg, b->reg) == 0);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à traiter. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un opérande en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_content_operand_print(const GArmV456ContentOperand *operand, GBufferLine *line, AsmSyntax syntax)
+{
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY, "[", 1, RTT_HOOK);
+
+ g_armv456_register_print(operand->reg, line, syntax);
+
+ if (!g_imm_operand_is_null(operand->offset))
+ {
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY, ",", 1, RTT_PUNCT);
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY, " ", 1, RTT_RAW);
+
+ if (!operand->add)
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY, "-", 1, RTT_SIGNS);
+
+ g_arch_operand_print(G_ARCH_OPERAND(operand->offset), line, syntax);
+
+ }
+
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY, "]", 1, RTT_HOOK);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre à mettre à jour. *
+* *
+* Description : Marque l'opérande comme étant écrit plutôt que consulté. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void g_armv456_content_operand_mark_as_written(GArmV456ContentOperand *operand)
+{
+ operand->is_written = true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre à consulter. *
+* *
+* Description : Indique le type d'accès réalisé sur l'opérande. *
+* *
+* Retour : Type d'accès : true en cas d'écriture, false sinon. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool g_armv456_content_operand_is_written(const GArmV456ContentOperand *operand)
+{
+ return operand->is_written;
+
+}
diff --git a/src/arch/arm/v456/operands/content.h b/src/arch/arm/v456/operands/content.h
new file mode 100644
index 0000000..901eae0
--- /dev/null
+++ b/src/arch/arm/v456/operands/content.h
@@ -0,0 +1,70 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * content.h - prototypes pour les opérandes visant un registre ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_OPERANDS_CONTENT_H
+#define _ARCH_ARM_V456_OPERANDS_CONTENT_H
+
+
+#include <glib-object.h>
+
+
+#include "../register.h"
+#include "../../../operand.h"
+#include "../../../../arch/immediate.h"
+#include "../../../../common/endianness.h"
+
+
+
+#define G_TYPE_ARMV456_CONTENT_OPERAND g_armv456_content_operand_get_type()
+#define G_ARMV456_CONTENT_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv456_content_operand_get_type(), GArmV456ContentOperand))
+#define G_IS_DALVIK_CONTENT_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_armv456_content_operand_get_type()))
+#define G_ARMV456_CONTENT_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DALVIK_CONTENT_OPERAND, GArmV456ContentOperandClass))
+#define G_IS_DALVIK_CONTENT_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DALVIK_CONTENT_OPERAND))
+#define G_ARMV456_CONTENT_OPERAND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DALVIK_CONTENT_OPERAND, GArmV456ContentOperandClass))
+
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (instance) */
+typedef struct _GArmV456ContentOperand GArmV456ContentOperand;
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (classe) */
+typedef struct _GArmV456ContentOperandClass GArmV456ContentOperandClass;
+
+
+/* Indique le type défini par la GLib pour un opérande de registre ARM v4/5/6. */
+GType g_armv456_content_operand_get_type(void);
+
+/* Crée un opérande visant un registre ARM v4/5/6. */
+GArchOperand *g_armv456_content_operand_new(GArmV456Register *, GImmOperand *, bool);
+
+/* Fournit le registre ARM v4/5/6 associé à l'opérande. */
+GArmV456Register *g_armv456_content_operand_get(const GArmV456ContentOperand *);
+
+/* Marque l'opérande comme étant écrit plutôt que consulté. */
+void g_armv456_content_operand_mark_as_written(GArmV456ContentOperand *);
+
+/* Indique le type d'accès réalisé sur l'opérande. */
+bool g_armv456_content_operand_is_written(const GArmV456ContentOperand *);
+
+
+
+#endif /* _ARCH_ARM_V456_OPERANDS_CONTENT_H */
diff --git a/src/arch/arm/v456/operands/register.c b/src/arch/arm/v456/operands/register.c
new file mode 100644
index 0000000..ce51cfc
--- /dev/null
+++ b/src/arch/arm/v456/operands/register.c
@@ -0,0 +1,232 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * register.c - opérandes visant un registre ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 "register.h"
+
+
+#include "../../../operand-int.h"
+
+
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (instance) */
+struct _GArmV456RegisterOperand
+{
+ GArchOperand parent; /* Instance parente */
+
+ GArmV456Register *reg; /* Registre représenté */
+ bool is_written; /* Changement de contenu */
+
+};
+
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (classe) */
+struct _GArmV456RegisterOperandClass
+{
+ GArchOperandClass parent; /* Classe parente */
+
+};
+
+
+/* Initialise la classe des opérandes de registre ARM v4/5/6. */
+static void g_armv456_register_operand_class_init(GArmV456RegisterOperandClass *);
+
+/* Initialise une instance d'opérande de registre ARM v4/5/6. */
+static void g_armv456_register_operand_init(GArmV456RegisterOperand *);
+
+/* Compare un opérande avec un autre. */
+static bool g_armv456_register_operand_compare(const GArmV456RegisterOperand *, const GArmV456RegisterOperand *);
+
+/* Traduit un opérande en version humainement lisible. */
+static void g_armv456_register_operand_print(const GArmV456RegisterOperand *, GBufferLine *, AsmSyntax);
+
+
+
+/* Indique le type défini par la GLib pour un opérande de registre ARM v4/5/6. */
+G_DEFINE_TYPE(GArmV456RegisterOperand, g_armv456_register_operand, G_TYPE_ARCH_OPERAND);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des opérandes de registre ARM v4/5/6. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_register_operand_class_init(GArmV456RegisterOperandClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance à initialiser. *
+* *
+* Description : Initialise une instance d'opérande de registre ARM v4/5/6. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_register_operand_init(GArmV456RegisterOperand *operand)
+{
+ GArchOperand *parent; /* Instance parente */
+
+ parent = G_ARCH_OPERAND(operand);
+
+ parent->compare = (operand_compare_fc)g_armv456_register_operand_compare;
+ parent->print = (operand_print_fc)g_armv456_register_operand_print;
+
+ operand->is_written = false;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = registre déjà en place. *
+* *
+* Description : Crée un opérande visant un registre ARM v4/5/6. *
+* *
+* Retour : Opérande mis en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArchOperand *g_armv456_register_operand_new_from_existing(GArmV456Register *reg)
+{
+ GArmV456RegisterOperand *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_ARMV456_REGISTER_OPERAND, NULL);
+
+ result->reg = reg;
+
+ return G_ARCH_OPERAND(result);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre. *
+* *
+* Description : Fournit le registre ARM v4/5/6 associé à l'opérande. *
+* *
+* Retour : Représentation interne du registre. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArmV456Register *g_armv456_register_operand_get(const GArmV456RegisterOperand *operand)
+{
+ return operand->reg;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier opérande à consulter. *
+* b = second opérande à consulter. *
+* *
+* Description : Compare un opérande avec un autre. *
+* *
+* Retour : Bilan de la comparaison. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool g_armv456_register_operand_compare(const GArmV456RegisterOperand *a, const GArmV456RegisterOperand *b)
+{
+ return (g_armv456_register_compare(a->reg, b->reg) == 0);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à traiter. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un opérande en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_register_operand_print(const GArmV456RegisterOperand *operand, GBufferLine *line, AsmSyntax syntax)
+{
+ g_armv456_register_print(operand->reg, line, syntax);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre à mettre à jour. *
+* *
+* Description : Marque l'opérande comme étant écrit plutôt que consulté. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void g_armv456_register_operand_mark_as_written(GArmV456RegisterOperand *operand)
+{
+ operand->is_written = true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre à consulter. *
+* *
+* Description : Indique le type d'accès réalisé sur l'opérande. *
+* *
+* Retour : Type d'accès : true en cas d'écriture, false sinon. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool g_armv456_register_operand_is_written(const GArmV456RegisterOperand *operand)
+{
+ return operand->is_written;
+
+}
diff --git a/src/arch/arm/v456/operands/register.h b/src/arch/arm/v456/operands/register.h
new file mode 100644
index 0000000..5fd19cb
--- /dev/null
+++ b/src/arch/arm/v456/operands/register.h
@@ -0,0 +1,69 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * register.h - prototypes pour les opérandes visant un registre ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_OPERANDS_REGISTER_H
+#define _ARCH_ARM_V456_OPERANDS_REGISTER_H
+
+
+#include <glib-object.h>
+
+
+#include "../register.h"
+#include "../../../operand.h"
+#include "../../../../common/endianness.h"
+
+
+
+#define G_TYPE_ARMV456_REGISTER_OPERAND g_armv456_register_operand_get_type()
+#define G_ARMV456_REGISTER_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv456_register_operand_get_type(), GArmV456RegisterOperand))
+#define G_IS_DALVIK_REGISTER_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_armv456_register_operand_get_type()))
+#define G_ARMV456_REGISTER_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DALVIK_REGISTER_OPERAND, GArmV456RegisterOperandClass))
+#define G_IS_DALVIK_REGISTER_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DALVIK_REGISTER_OPERAND))
+#define G_ARMV456_REGISTER_OPERAND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DALVIK_REGISTER_OPERAND, GArmV456RegisterOperandClass))
+
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (instance) */
+typedef struct _GArmV456RegisterOperand GArmV456RegisterOperand;
+
+/* Définition d'un opérande visant un registre ARM v4/5/6 (classe) */
+typedef struct _GArmV456RegisterOperandClass GArmV456RegisterOperandClass;
+
+
+/* Indique le type défini par la GLib pour un opérande de registre ARM v4/5/6. */
+GType g_armv456_register_operand_get_type(void);
+
+/* Crée un opérande visant un registre ARM v4/5/6. */
+GArchOperand *g_armv456_register_operand_new_from_existing(GArmV456Register *);
+
+/* Fournit le registre ARM v4/5/6 associé à l'opérande. */
+GArmV456Register *g_armv456_register_operand_get(const GArmV456RegisterOperand *);
+
+/* Marque l'opérande comme étant écrit plutôt que consulté. */
+void g_armv456_register_operand_mark_as_written(GArmV456RegisterOperand *);
+
+/* Indique le type d'accès réalisé sur l'opérande. */
+bool g_armv456_register_operand_is_written(const GArmV456RegisterOperand *);
+
+
+
+#endif /* _ARCH_ARM_V456_OPERANDS_REGISTER_H */
diff --git a/src/arch/arm/v456/register.c b/src/arch/arm/v456/register.c
new file mode 100644
index 0000000..7e101a3
--- /dev/null
+++ b/src/arch/arm/v456/register.c
@@ -0,0 +1,251 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * registers.c - aides auxiliaires relatives aux registres ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 "register.h"
+
+
+#include <stdio.h>
+
+
+#include "../../register-int.h"
+
+
+
+/* Représentation d'un registre ARM v4/5/6 (instance) */
+struct _GArmV456Register
+{
+ GArchRegister parent; /* Instance parente */
+
+ uint8_t index; /* Indice du registre */
+
+};
+
+
+/* Représentation d'un registre ARM v4/5/6 (classe) */
+struct _GArmV456RegisterClass
+{
+ GArchRegisterClass parent; /* Classe parente */
+
+};
+
+
+#define MAX_REGNAME_LEN 8
+
+
+/* Initialise la classe des registres ARM v4/5/6. */
+static void g_armv456_register_class_init(GArmV456RegisterClass *);
+
+/* Initialise une instance de registre ARM v4/5/6. */
+static void g_armv456_register_init(GArmV456Register *);
+
+/* Produit une empreinte à partir d'un registre. */
+static guint g_armv456_register_hash(const GArmV456Register *);
+
+
+
+/* Indique le type défini pour une représentation d'un registre ARM v4/5/6. */
+G_DEFINE_TYPE(GArmV456Register, g_armv456_register, G_TYPE_ARCH_REGISTER);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des registres ARM v4/5/6. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_register_class_init(GArmV456RegisterClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = instance à initialiser. *
+* *
+* Description : Initialise une instance de registre ARM v4/5/6. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv456_register_init(GArmV456Register *reg)
+{
+ GArchRegister *base; /* Version basique */
+
+ base = G_ARCH_REGISTER(reg);
+
+ base->hash = (reg_hash_fc)g_armv456_register_hash;
+ base->compare = (reg_compare_fc)g_armv456_register_compare;
+ base->print = (reg_print_fc)g_armv456_register_print;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : index = indice du registre correspondant. *
+* *
+* Description : Crée une réprésentation de registre ARM v4/5/6. *
+* *
+* Retour : Adresse de la structure mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArmV456Register *g_armv456_register_new(uint8_t index)
+{
+ GArmV456Register *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_ARMV456_REGISTER, NULL);
+
+ result->index = index;
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = registre à consulter. *
+* *
+* Description : Fournit l'indice d'un registre ARM v4/5/6. *
+* *
+* Retour : Inditifiant représentant le registre. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+uint16_t g_armv456_register_get_index(const GArmV456Register *reg)
+{
+ return reg->index;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = opérande à consulter pour le calcul. *
+* *
+* Description : Produit une empreinte à partir d'un registre. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static guint g_armv456_register_hash(const GArmV456Register *reg)
+{
+ return reg->index;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier opérande à consulter. *
+* b = second opérande à consulter. *
+* *
+* Description : Compare un registre avec un autre. *
+* *
+* Retour : Bilan de la comparaison. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int g_armv456_register_compare(const GArmV456Register *a, const GArmV456Register *b)
+{
+ int result; /* Bilan à retourner */
+
+ if (a->index < b->index)
+ result = -1;
+ else if (a->index > b->index)
+ result = 1;
+ else
+ result = 0;
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = registre à transcrire. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un registre en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void g_armv456_register_print(const GArmV456Register *reg, GBufferLine *line, AsmSyntax syntax)
+{
+ char key[MAX_REGNAME_LEN]; /* Mot clef principal */
+ size_t klen; /* Taille de ce mot clef */
+
+ switch (reg->index)
+ {
+ case 0 ... 12:
+ klen = snprintf(key, MAX_REGNAME_LEN, "r%hhu", reg->index);
+ break;
+ case 13:
+ klen = snprintf(key, MAX_REGNAME_LEN, "sp");
+ break;
+ case 14:
+ klen = snprintf(key, MAX_REGNAME_LEN, "lr");
+ break;
+ case 15:
+ klen = snprintf(key, MAX_REGNAME_LEN, "pc");
+ break;
+ case 16:
+ klen = snprintf(key, MAX_REGNAME_LEN, "cpsr");
+ break;
+ case 17:
+ klen = snprintf(key, MAX_REGNAME_LEN, "spsr");
+ break;
+ default:
+ klen = snprintf(key, MAX_REGNAME_LEN, "r??");
+ break;
+ }
+
+ g_buffer_line_insert_text(line, BLC_ASSEMBLY, key, klen, RTT_REGISTER);
+
+}
diff --git a/src/arch/arm/v456/register.h b/src/arch/arm/v456/register.h
new file mode 100644
index 0000000..98454fb
--- /dev/null
+++ b/src/arch/arm/v456/register.h
@@ -0,0 +1,69 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * registers.h - prototypes pour les aides auxiliaires relatives aux registres ARM v4/5/6
+ *
+ * Copyright (C) 2013 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 _ARCH_ARM_V456_REGISTERS_H
+#define _ARCH_ARM_V456_REGISTERS_H
+
+
+#include <glib-object.h>
+#include <stdbool.h>
+
+
+#include "../../archbase.h"
+#include "../../../glibext/gbufferline.h"
+
+
+
+#define G_TYPE_ARMV456_REGISTER g_armv456_register_get_type()
+#define G_ARMV456_REGISTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv456_register_get_type(), GArmV456Register))
+#define G_IS_DALVIK_REGISTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_armv456_register_get_type()))
+#define G_ARMV456_REGISTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DALVIK_REGISTER, GArmV456RegisterClass))
+#define G_IS_DALVIK_REGISTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DALVIK_REGISTER))
+#define G_ARMV456_REGISTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DALVIK_REGISTER, GArmV456RegisterClass))
+
+
+/* Représentation d'un registre ARM v4/5/6 (instance) */
+typedef struct _GArmV456Register GArmV456Register;
+
+/* Représentation d'un registre ARM v4/5/6 (classe) */
+typedef struct _GArmV456RegisterClass GArmV456RegisterClass;
+
+
+/* Indique le type défini pour une représentation d'un registre ARM v4/5/6. */
+GType g_armv456_register_get_type(void);
+
+/* Crée une réprésentation de registre ARM v4/5/6. */
+GArmV456Register *g_armv456_register_new(uint8_t);
+
+/* Fournit l'indice d'un registre ARM v4/5/6. */
+uint16_t g_armv456_register_get_index(const GArmV456Register *);
+
+/* Compare un registre avec un autre. */
+int g_armv456_register_compare(const GArmV456Register *, const GArmV456Register *);
+
+/* Traduit un registre en version humainement lisible. */
+void g_armv456_register_print(const GArmV456Register *, GBufferLine *, AsmSyntax);
+
+
+
+#endif /* _ARCH_ARM_V456_REGISTERS_H */
diff --git a/src/arch/immediate.c b/src/arch/immediate.c
index 19c86b2..4f94be3 100644
--- a/src/arch/immediate.c
+++ b/src/arch/immediate.c
@@ -359,7 +359,7 @@ bool g_imm_operand_does_padding(const GImmOperand *operand)
/******************************************************************************
* *
-* Paramètres : operand = structure dont le contenu est à définir. *
+* Paramètres : operand = structure dont le contenu est à consulter. *
* *
* Description : Indique le signe d'une valeur immédiate. *
* *
@@ -402,6 +402,64 @@ bool g_imm_operand_is_negative(const GImmOperand *operand)
/******************************************************************************
* *
+* Paramètres : operand = structure dont le contenu est à consulter. *
+* *
+* Description : Indique si une valeur immédiate est nulle ou non. *
+* *
+* Retour : true si la valeur est nulle, false sinon. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool g_imm_operand_is_null(const GImmOperand *operand)
+{
+ bool result; /* Bilan à renvoyer */
+
+ switch (operand->size)
+ {
+ case MDS_4_BITS_SIGNED:
+ result = !(operand->signed_imm.val8 & 0x0f);
+ break;
+ case MDS_4_BITS_UNSIGNED:
+ result = !(operand->unsigned_imm.val8 & 0x0f);
+ break;
+ case MDS_8_BITS_SIGNED:
+ result = !(operand->signed_imm.val8 & 0xff);
+ break;
+ case MDS_8_BITS_UNSIGNED:
+ result = !(operand->unsigned_imm.val8 & 0xff);
+ break;
+ case MDS_16_BITS_SIGNED:
+ result = !(operand->signed_imm.val16 & 0xffff);
+ break;
+ case MDS_16_BITS_UNSIGNED:
+ result = !(operand->unsigned_imm.val16 & 0xffff);
+ break;
+ case MDS_32_BITS_SIGNED:
+ result = !(operand->signed_imm.val32 & 0xffffffff);
+ break;
+ case MDS_32_BITS_UNSIGNED:
+ result = !(operand->unsigned_imm.val32 & 0xffffffff);
+ break;
+ case MDS_64_BITS_SIGNED:
+ result = !(operand->signed_imm.val64 & 0xffffffffffffffffll);
+ break;
+ case MDS_64_BITS_UNSIGNED:
+ result = !(operand->unsigned_imm.val64 & 0xffffffffffffffffll);
+ break;
+ default:
+ result = false;
+ break;
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
* Paramètres : operand = opérande à transcrire. *
* syntax = type de représentation demandée. *
* value = valeur portée par l'opérande transcrite. [OUT] *
diff --git a/src/arch/immediate.h b/src/arch/immediate.h
index 17416dc..3e5a7dc 100644
--- a/src/arch/immediate.h
+++ b/src/arch/immediate.h
@@ -68,6 +68,9 @@ bool g_imm_operand_does_padding(const GImmOperand *);
/* Indique le signe d'une valeur immédiate. */
bool g_imm_operand_is_negative(const GImmOperand *);
+/* Indique si une valeur immédiate est nulle ou non. */
+bool g_imm_operand_is_null(const GImmOperand *);
+
/* Convertit une valeur immédiate en adresse de type vmpa_t. */
bool g_imm_operand_to_vmpa_t(const GImmOperand *, vmpa_t *);