Created a compiler for architecture instruction definitions.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@410 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

16 files changed, 547 insertions, 14 deletions

diff --git a/src/arch/arm/instruction.c b/src/arch/arm/instruction.c
index c315bae..b46cab0 100644
--- a/src/arch/arm/instruction.c
+++ b/src/arch/arm/instruction.c
@@ -46,7 +46,7 @@ static const char *g_arm_instruction_get_keyword(const GArmInstruction *, AsmSyn
 
 
 /* Indique le type défini pour une représentation d'une instruction ARM. */
-G_DEFINE_TYPE(GArmInstruction, g_arm_instruction, G_TYPE_ARM_INSTRUCTION);
+G_DEFINE_TYPE(GArmInstruction, g_arm_instruction, G_TYPE_ARCH_INSTRUCTION);
 
 
 /******************************************************************************
@@ -160,16 +160,18 @@ static const char *g_arm_instruction_get_keyword(const GArmInstruction *instr, A
 *                                                                             *
 *  Description : Définit les conditions d'exécution d'une instruction ARM.    *
 *                                                                             *
-*  Retour      : -                                                            *
+*  Retour      : Bilan de l'opération.                                        *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-void g_arm_instruction_set_cond(GArmInstruction *instr, ArmCondCode cond)
+bool g_arm_instruction_set_cond(GArmInstruction *instr, ArmCondCode cond)
 {
     instr->cond = cond;
 
+    return true;
+
 }
 
 
diff --git a/src/arch/arm/instruction.h b/src/arch/arm/instruction.h
index ecd9919..3211766 100644
--- a/src/arch/arm/instruction.h
+++ b/src/arch/arm/instruction.h
@@ -26,10 +26,12 @@
 
 
 #include <glib-object.h>
+#include <stdbool.h>
 #include <stdint.h>
 
 
 #include "cond.h"
+#include "../instruction.h"
 
 
 
@@ -52,7 +54,7 @@ typedef struct _GArmInstructionClass GArmInstructionClass;
 GType g_arm_instruction_get_type(void);
 
 /* Définit les conditions d'exécution d'une instruction ARM. */
-void g_arm_instruction_set_cond(GArmInstruction *, ArmCondCode);
+bool g_arm_instruction_set_cond(GArmInstruction *, ArmCondCode);
 
 /* Indique les conditions d'exécution d'une instruction ARM. */
 ArmCondCode g_arm_instruction_get_cond(const GArmInstruction *);
diff --git a/src/arch/arm/v7/Makefile.am b/src/arch/arm/v7/Makefile.am
index dc095ed..3fe1394 100644
--- a/src/arch/arm/v7/Makefile.am
+++ b/src/arch/arm/v7/Makefile.am
@@ -3,10 +3,14 @@ noinst_LTLIBRARIES = libarcharmv7.la
 
 libarcharmv7_la_SOURCES =				\
 	arm.h arm.c							\
+	helpers.h helpers.c					\
 	instruction.h instruction.c			\
 	processor.h processor.c				\
 	register.h register.c
 
+libarcharmv7_la_LIBADD =				\
+	opcodes/libarcharmv7opcodes.la
+
 libarcharmv7_la_CFLAGS = $(AM_CFLAGS)
 
 
@@ -15,4 +19,4 @@ AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
 AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
 
 
-SUBDIRS = #opdefs
+SUBDIRS = opdefs opcodes
diff --git a/src/arch/arm/v7/arm.c b/src/arch/arm/v7/arm.c
index 4953b6b..bd1beb8 100644
--- a/src/arch/arm/v7/arm.c
+++ b/src/arch/arm/v7/arm.c
@@ -27,6 +27,7 @@
 #include <stdint.h>
 
 
+#include "opcodes/opcodes.h"
 #include "../../../common/bconst.h"
 
 
@@ -82,7 +83,7 @@ static GArchInstruction *process_armv7_data_processing_register(uint32_t);
 #define armv7_read_instr_cmp_register(raw) NULL
 #define armv7_read_instr_cmn_register(raw) NULL
 #define armv7_read_instr_orr_register(raw) NULL
-#define armv7_read_instr_mov_register_arm(raw) NULL
+//#define armv7_read_instr_mov_register_arm(raw) NULL
 #define armv7_read_instr_lsl_immediate(raw) NULL
 #define armv7_read_instr_lsr_immediate(raw) NULL
 #define armv7_read_instr_asr_immediate(raw) NULL
diff --git a/src/arch/arm/v7/helpers.c b/src/arch/arm/v7/helpers.c
new file mode 100644
index 0000000..632c1b7
--- /dev/null
+++ b/src/arch/arm/v7/helpers.c
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * helpers.c - aide à la mise en place des opérandes ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  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 "helpers.h"
+
+
+#include "register.h"
+#include "../../register.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : index = indice du registre correspondant.                    *
+*                                                                             *
+*  Description : Crée un opérande représentant un registre ARMv7.             *
+*                                                                             *
+*  Retour      : Adresse de la structure mise en place.                       *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GArchOperand *translate_armv7_register(uint8_t index)
+{
+    GArchOperand *result;                   /* Opérande à faire remonter   */
+    GArmV7Register *reg;                    /* Register à représenter      */
+
+    reg = g_armv7_register_new(index);
+
+    if (reg == NULL)
+        result = NULL;
+    else
+        result = g_register_operand_new(G_ARCH_REGISTER(reg));
+
+    return result;
+
+}
diff --git a/src/arch/arm/v7/helpers.h b/src/arch/arm/v7/helpers.h
new file mode 100644
index 0000000..9ea0d74
--- /dev/null
+++ b/src/arch/arm/v7/helpers.h
@@ -0,0 +1,40 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * helpers.h - prototypes pour l'aide à la mise en place des opérandes ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  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_V7_HELPERS_H
+#define _ARCH_ARM_V7_HELPERS_H
+
+
+#include <stdint.h>
+
+
+#include "../../operand.h"
+
+
+
+/* Crée un opérande représentant un registre ARMv7. */
+GArchOperand *translate_armv7_register(uint8_t);
+
+
+
+#endif  /* _ARCH_ARM_V7_HELPERS_H */
diff --git a/src/arch/arm/v7/instruction.c b/src/arch/arm/v7/instruction.c
index 24135f3..de81056 100644
--- a/src/arch/arm/v7/instruction.c
+++ b/src/arch/arm/v7/instruction.c
@@ -156,9 +156,9 @@ static void g_armv7_instruction_finalize(GArmV7Instruction *instr)
 *                                                                             *
 ******************************************************************************/
 
-GArmV7Instruction *g_armv7_instruction_new(const char *keyword)
+GArchInstruction *g_armv7_instruction_new(const char *keyword)
 {
-    GArmV7Instruction *result;                /* Structure à retourner       */
+    GArchInstruction *result;               /* Structure à retourner       */
 
     result = g_object_new(G_TYPE_ARMV7_INSTRUCTION, NULL);
 
@@ -176,16 +176,18 @@ GArmV7Instruction *g_armv7_instruction_new(const char *keyword)
 *                                                                             *
 *  Description : Définit si une instruction ARMv7 met à jour les drapeaux.    *
 *                                                                             *
-*  Retour      : -                                                            *
+*  Retour      : Bilan de l'opération.                                        *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-void g_armv7_instruction_define_setflags(GArmV7Instruction *instr, bool set)
+bool g_armv7_instruction_define_setflags(GArmV7Instruction *instr, bool set)
 {
     instr->setflags = set;
 
+    return true;
+
 }
 
 
diff --git a/src/arch/arm/v7/instruction.h b/src/arch/arm/v7/instruction.h
index 97ee31a..291f2c9 100644
--- a/src/arch/arm/v7/instruction.h
+++ b/src/arch/arm/v7/instruction.h
@@ -30,6 +30,9 @@
 #include <stdint.h>
 
 
+#include "../../instruction.h"
+
+
 
 #define G_TYPE_ARMV7_INSTRUCTION               g_armv7_instruction_get_type()
 #define G_ARMV7_INSTRUCTION(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv7_instruction_get_type(), GArmV7Instruction))
@@ -50,10 +53,10 @@ typedef struct _GArmV7InstructionClass GArmV7InstructionClass;
 GType g_armv7_instruction_get_type(void);
 
 /* Crée une instruction pour l'architecture ARMv7. */
-GArmV7Instruction *g_armv7_instruction_new(const char *);
+GArchInstruction *g_armv7_instruction_new(const char *);
 
 /* Définit si une instruction ARMv7 met à jour les drapeaux. */
-void g_armv7_instruction_define_setflags(GArmV7Instruction *, bool);
+bool g_armv7_instruction_define_setflags(GArmV7Instruction *, bool);
 
 /* Indique si une instruction ARMv7 met à jour les drapeaux. */
 bool g_armv7_instruction_get_setflags(const GArmV7Instruction *);
diff --git a/src/arch/arm/v7/opcodes/Makefile.am b/src/arch/arm/v7/opcodes/Makefile.am
new file mode 100644
index 0000000..e77b7e8
--- /dev/null
+++ b/src/arch/arm/v7/opcodes/Makefile.am
@@ -0,0 +1,15 @@
+
+noinst_LTLIBRARIES = libarcharmv7opcodes.la
+
+libarcharmv7opcodes_la_SOURCES = 		\
+	mov.c								\
+	subs.c
+
+libarcharmv7opcodes_la_LIBADD =
+
+libarcharmv7opcodes_la_CFLAGS = $(AM_CFLAGS)
+
+
+AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
diff --git a/src/arch/arm/v7/opdefs/Makefile.am b/src/arch/arm/v7/opdefs/Makefile.am
new file mode 100644
index 0000000..8a799b1
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/Makefile.am
@@ -0,0 +1,37 @@
+
+include ../../../../../tools/d2c.mk
+
+
+D2C_BIN = ../../../../../tools/d2c
+
+D2C_OUTDIR = $(PWD)/..
+
+D2C_ARCH = armv7
+D2C_HEADER = _ARCH_ARM_V7
+
+D2C_ENCODINGS =							\
+	-e a=								\
+	-e t=thumb_
+
+D2C_MACROS =											\
+    -M SetFlags=g_armv7_instruction_define_setflags		\
+    -M Condition=g_arm_instruction_set_cond				\
+    -M Register=translate_armv7_register				\
+    -M "ExpandImmC32=g_imm_operand_new_from_value(MDS_32_BITS_UNSIGNED, "
+
+ARMV7_DEFS = 							\
+	mov_A88104.d						\
+	subs_B9320.d
+
+
+all: $(ARMV7_DEFS:.d=.g) untabify_disass fix_includes_in_c finish_disass
+
+fix_includes_in_c:
+	find ../opcodes -name '*c' -exec sed -i 's/##INCLUDES##/\n#include "..\/instruction.h"\n#include "..\/..\/instruction.h"\n#include "..\/helpers.h"\n#include "..\/..\/..\/..\/common\/bconst.h"\n\n/' {} \;
+
+finish_disass: $(D2C_OUTDIR)/opcodes/opcodes.h
+	sed -i 's/##INCLUDES##/#include\ <stdint.h>\n\n#include "..\/..\/..\/instruction.h"/' $<
+	if ! grep -q 'endif' $<; then echo -en "\n\n#endif  /* _ARCH_ARM_V7_OPCODES_OPCODES_H */\n" >> $< ; fi
+
+clean:
+	rm -f $(ARMV7_DEFS:.d=.g) $(D2C_OUTDIR)/opcodes/*c $(D2C_OUTDIR)/opcodes/opcodes.h
diff --git a/src/arch/arm/v7/opdefs/mov_A88104.d b/src/arch/arm/v7/opdefs/mov_A88104.d
new file mode 100644
index 0000000..1efebd3
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/mov_A88104.d
@@ -0,0 +1,47 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide 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.
+ *
+ *  Chrysalide 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/>.
+ */
+
+
+@title MOV (register, ARM)
+
+@encoding(A1) {
+
+    @word cond(4) 0 0 0 1 1 0 1 S(1) 0 0 0 0 Rd(4) 0 0 0 0 0 0 0 0 Rm(4)
+
+    @syntax {S} {c} <Rd> <Rm>
+
+    @conv {
+
+        S = SetFlags(S)
+        c = Condition(cond)
+        Rd = Register(Rd)
+        Rm = Register(Rm)
+
+    }
+
+    @rules {
+
+        if ((Rd == '1111') && (S == '1')) ; see SUBS PC, LR and related instructions (ARM)
+
+    }
+
+}
diff --git a/src/arch/arm/v7/opdefs/subs_B9320.d b/src/arch/arm/v7/opdefs/subs_B9320.d
new file mode 100644
index 0000000..335e614
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/subs_B9320.d
@@ -0,0 +1,44 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide 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.
+ *
+ *  Chrysalide 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/>.
+ */
+
+
+@title SUBS PC, LR and related instructions (ARM)
+
+@encoding(A1) {
+
+    @word cond(4) 0 0 1 opcode(4) 1 Rn(4) 1 1 1 1 imm12(12)
+
+    @syntax {c} <Rn> <#const>
+
+    @conv {
+
+        c = Condition(cond)
+        Rn = Register(Rn)
+        const = ExpandImmC32(imm12)
+
+    }
+
+    @rules {
+
+    }
+
+}
diff --git a/src/arch/arm/v7/processor.c b/src/arch/arm/v7/processor.c
index 3ce1623..dd2f39f 100644
--- a/src/arch/arm/v7/processor.c
+++ b/src/arch/arm/v7/processor.c
@@ -218,7 +218,7 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr
     //exit(1);
 
 
-    raw = 0xe1a0000a;
+
 
 
     start = get_phy_addr(pos);
@@ -226,16 +226,24 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr
     if (!read_u32(&raw, data, &start, end, G_ARCH_PROCESSOR(proc)->endianness))
         return NULL;
 
+    if (raw == 0xe1a0000a)
+    printf("process @ 0x%x :: 0x%08x\n", start, raw);
 
+    /*
     if (raw == 0xe1a0000a)
         printf("read !!!!!!!\n");
-
+    */
 
     /* TODO : thumb... */
 
 
     result = process_armv7_instruction_set_encoding(raw);
 
+    if (raw == 0xe1a0000a)
+        printf(" --> %p\n", result);
+
+
+
     if (result != NULL)
         advance_vmpa(pos, 4);
 
diff --git a/src/arch/register-int.h b/src/arch/register-int.h
index fe9db8c..bf2ad75 100644
--- a/src/arch/register-int.h
+++ b/src/arch/register-int.h
@@ -28,6 +28,12 @@
 #include "register.h"
 
 
+#include "operand-int.h"
+
+
+
+/* ---------------------------- PUR REGISTRE DU MATERIEL ---------------------------- */
+
 
 /* Produit une empreinte à partir d'un registre. */
 typedef guint (* reg_hash_fc) (const GArchRegister *);
@@ -69,4 +75,27 @@ struct _GArchRegisterClass
 
 
 
+/* ------------------------- REGISTRE SOUS FORME D'OPERANDE ------------------------- */
+
+
+/* Définition d'un opérande visant un registre (instance) */
+struct _GRegisterOperand
+{
+    GArchOperand parent;                    /* Instance parente            */
+
+    GArchRegister *reg;                     /* Registre représenté         */
+    bool is_written;                        /* Changement de contenu       */
+
+};
+
+
+/* Définition d'un opérande visant un registre (classe) */
+struct _GRegisterOperandClass
+{
+    GArchOperandClass parent;               /* Classe parente              */
+
+};
+
+
+
 #endif  /* _ARCH_REGISTER_INT_H */
diff --git a/src/arch/register.c b/src/arch/register.c
index 389e71a..706fcd4 100644
--- a/src/arch/register.c
+++ b/src/arch/register.c
@@ -28,6 +28,9 @@
 
 
 
+/* ---------------------------- PUR REGISTRE DU MATERIEL ---------------------------- */
+
+
 /* Initialise la classe des registres. */
 static void g_arch_register_class_init(GArchRegisterClass *);
 
@@ -36,6 +39,28 @@ static void g_arch_register_init(GArchRegister *);
 
 
 
+/* ------------------------- REGISTRE SOUS FORME D'OPERANDE ------------------------- */
+
+
+/* Initialise la classe des opérandes de registre. */
+static void g_register_operand_class_init(GRegisterOperandClass *);
+
+/* Initialise une instance d'opérande de registre. */
+static void g_register_operand_init(GRegisterOperand *);
+
+/* Compare un opérande avec un autre. */
+static bool g_register_operand_compare(const GRegisterOperand *, const GRegisterOperand *);
+
+/* Traduit un opérande en version humainement lisible. */
+static void g_register_operand_print(const GRegisterOperand *, GBufferLine *, AsmSyntax);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                              PUR REGISTRE DU MATERIEL                              */
+/* ---------------------------------------------------------------------------------- */
+
+
 /* Indique le type défini pour une représentation d'un registre. */
 G_DEFINE_TYPE(GArchRegister, g_arch_register, G_TYPE_OBJECT);
 
@@ -210,3 +235,180 @@ bool g_arch_register_is_stack_pointer(const GArchRegister *reg)
     return result;
 
 }
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                           REGISTRE SOUS FORME D'OPERANDE                           */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini par la GLib pour un opérande de registre Dalvik. */
+G_DEFINE_TYPE(GRegisterOperand, g_register_operand, G_TYPE_ARCH_OPERAND);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des opérandes de registre Dalvik.       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_register_operand_class_init(GRegisterOperandClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : operand = instance à initialiser.                            *
+*                                                                             *
+*  Description : Initialise une instance d'opérande de registre Dalvik.       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_register_operand_init(GRegisterOperand *operand)
+{
+    GArchOperand *parent;                   /* Instance parente            */
+
+    parent = G_ARCH_OPERAND(operand);
+
+    parent->compare = (operand_compare_fc)g_register_operand_compare;
+    parent->print = (operand_print_fc)g_register_operand_print;
+
+    operand->is_written = false;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : reg = registre déjà en place.                                *
+*                                                                             *
+*  Description : Crée un opérande visant un registre.                         *
+*                                                                             *
+*  Retour      : Opérande mis en place.                                       *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GArchOperand *g_register_operand_new(GArchRegister *reg)
+{
+    GRegisterOperand *result;         /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_REGISTER_OPERAND, NULL);
+
+    result->reg = reg;
+
+    return G_ARCH_OPERAND(result);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : operand = opérande représentant un registre.                 *
+*                                                                             *
+*  Description : Fournit le registre Dalvik associé à l'opérande.             *
+*                                                                             *
+*  Retour      : Représentation interne du registre.                          *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GArchRegister *g_register_operand_get_register(const GRegisterOperand *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_register_operand_compare(const GRegisterOperand *a, const GRegisterOperand *b)
+{
+    return (g_arch_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_register_operand_print(const GRegisterOperand *operand, GBufferLine *line, AsmSyntax syntax)
+{
+    g_arch_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_register_operand_mark_as_written(GRegisterOperand *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_register_operand_is_written(const GRegisterOperand *operand)
+{
+    return operand->is_written;
+
+}
diff --git a/src/arch/register.h b/src/arch/register.h
index 4e9d447..f5841f7 100644
--- a/src/arch/register.h
+++ b/src/arch/register.h
@@ -30,10 +30,14 @@
 
 
 #include "archbase.h"
+#include "operand.h"
 #include "../glibext/gbufferline.h"
 
 
 
+/* ---------------------------- PUR REGISTRE DU MATERIEL ---------------------------- */
+
+
 #define G_TYPE_ARCH_REGISTER               g_arch_register_get_type()
 #define G_ARCH_REGISTER(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_arch_register_get_type(), GArchRegister))
 #define G_IS_ARCH_REGISTER(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_arch_register_get_type()))
@@ -72,4 +76,39 @@ bool g_arch_register_is_stack_pointer(const GArchRegister *);
 
 
 
+/* ------------------------- REGISTRE SOUS FORME D'OPERANDE ------------------------- */
+
+
+#define G_TYPE_REGISTER_OPERAND                  g_register_operand_get_type()
+#define G_REGISTER_OPERAND(obj)                  (G_TYPE_CHECK_INSTANCE_CAST((obj), g_register_operand_get_type(), GRegisterOperand))
+#define G_IS_REGISTER_OPERAND(obj)               (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_register_operand_get_type()))
+#define G_REGISTER_OPERAND_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_REGISTER_OPERAND, GRegisterOperandClass))
+#define G_IS_REGISTER_OPERAND_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_REGISTER_OPERAND))
+#define G_REGISTER_OPERAND_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_REGISTER_OPERAND, GRegisterOperandClass))
+
+
+/* Définition d'un opérande visant un registre (instance) */
+typedef struct _GRegisterOperand GRegisterOperand;
+
+/* Définition d'un opérande visant un registre (classe) */
+typedef struct _GRegisterOperandClass GRegisterOperandClass;
+
+
+/* Indique le type défini par la GLib pour un opérande de registre. */
+GType g_register_operand_get_type(void);
+
+/* Crée un opérande visant un registre. */
+GArchOperand *g_register_operand_new(GArchRegister *);
+
+/* Fournit le registre associé à l'opérande. */
+GArchRegister *g_register_operand_get_register(const GRegisterOperand *);
+
+/* Marque l'opérande comme étant écrit plutôt que consulté. */
+void g_register_operand_mark_as_written(GRegisterOperand *);
+
+/* Indique le type d'accès réalisé sur l'opérande. */
+bool g_register_operand_is_written(const GRegisterOperand *);
+
+
+
 #endif  /* _ARCH_ARCH_REGISTER_H */