Dealt with registers and register operands in the Python bindings.

9 files changed, 953 insertions, 2 deletions

diff --git a/plugins/pychrysalide/arch/Makefile.am b/plugins/pychrysalide/arch/Makefile.am
index 0145db2..b47bf24 100644
--- a/plugins/pychrysalide/arch/Makefile.am
+++ b/plugins/pychrysalide/arch/Makefile.am
@@ -11,10 +11,12 @@ libpychrysaarch_la_SOURCES =			\
 	operand.h operand.c					\
 	processor.h processor.c				\
 	raw.h raw.c							\
+	register.h register.c				\
 	targetableop.h targetableop.c		\
 	vmpa.h vmpa.c
 
-libpychrysaarch_la_LIBADD =	
+libpychrysaarch_la_LIBADD =				\
+	operands/libpychrysaarchoperands.la
 
 libpychrysaarch_la_LDFLAGS = 
 
@@ -29,4 +31,4 @@ AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS) $(LIBPYGOBJE
 
 AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
 
-SUBDIRS = 
+SUBDIRS = operands
diff --git a/plugins/pychrysalide/arch/module.c b/plugins/pychrysalide/arch/module.c
index 40b8d71..d412ddc 100644
--- a/plugins/pychrysalide/arch/module.c
+++ b/plugins/pychrysalide/arch/module.c
@@ -40,8 +40,10 @@
 #include "operand.h"
 #include "processor.h"
 #include "raw.h"
+#include "register.h"
 #include "targetableop.h"
 #include "vmpa.h"
+#include "operands/module.h"
 #include "../helpers.h"
 
 
@@ -139,6 +141,8 @@ bool add_arch_module(PyObject *super)
 
     result = (module != NULL);
 
+    if (result) result = add_arch_operands_module(module);
+
     if (result) result = py_base_define_constants(Py_TYPE(module));
 
     return result;
@@ -172,10 +176,13 @@ bool populate_arch_module(void)
     if (result) result = ensure_python_arch_operand_is_registered();
     if (result) result = ensure_python_arch_processor_is_registered();
     if (result) result = ensure_python_raw_instruction_is_registered();
+    if (result) result = ensure_python_arch_register_is_registered();
     if (result) result = ensure_python_targetable_operand_is_registered();
     if (result) result = ensure_python_vmpa_is_registered();
     if (result) result = ensure_python_mrange_is_registered();
 
+    if (result) result = populate_arch_operands_module();
+
     assert(result);
 
     return result;
diff --git a/plugins/pychrysalide/arch/operands/Makefile.am b/plugins/pychrysalide/arch/operands/Makefile.am
new file mode 100644
index 0000000..94da1d1
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/Makefile.am
@@ -0,0 +1,23 @@
+
+noinst_LTLIBRARIES = libpychrysaarchoperands.la
+
+libpychrysaarchoperands_la_SOURCES =	\
+	module.h module.c					\
+	register.h register.c
+
+libpychrysaarchoperands_la_LIBADD = 
+
+libpychrysaarchoperands_la_LDFLAGS = 
+
+
+devdir = $(includedir)/chrysalide-$(subdir)
+
+dev_HEADERS = $(libpychrysaarchoperands_la_SOURCES:%c=)
+
+
+AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \
+	-I$(top_srcdir)/src
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
+
+SUBDIRS = 
diff --git a/plugins/pychrysalide/arch/operands/module.c b/plugins/pychrysalide/arch/operands/module.c
new file mode 100644
index 0000000..47a806a
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/module.c
@@ -0,0 +1,97 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * module.c - intégration du répertoire arch en tant que module
+ *
+ * Copyright (C) 2018 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "module.h"
+
+
+#include <assert.h>
+
+
+#include "register.h"
+#include "../../helpers.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : super = module dont la définition est à compléter.           *
+*                                                                             *
+*  Description : Ajoute le module 'arch.operands' à un module Python.         *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool add_arch_operands_module(PyObject *super)
+{
+    bool result;                            /* Bilan à retourner           */
+    PyObject *module;                       /* Sous-module mis en place    */
+
+    static PyModuleDef py_chrysalide_arch_operands_module = {
+
+        .m_base = PyModuleDef_HEAD_INIT,
+
+        .m_name = "pychrysalide.arch.operands",
+        .m_doc = "Python module for Chrysalide.arch.operands",
+
+        .m_size = -1,
+
+    };
+
+    module = build_python_module(super, &py_chrysalide_arch_operands_module);
+
+    result = (module != NULL);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Intègre les objets du module 'arch.operands'.                *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool populate_arch_operands_module(void)
+{
+    bool result;                            /* Bilan à retourner           */
+
+    result = true;
+
+    if (result) result = ensure_python_register_operand_is_registered();
+
+    assert(result);
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/arch/operands/module.h b/plugins/pychrysalide/arch/operands/module.h
new file mode 100644
index 0000000..f15e314
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/module.h
@@ -0,0 +1,42 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * module.h - prototypes pour l'intégration du répertoire operands en tant que module
+ *
+ * Copyright (C) 2018 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_MODULE_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_MODULE_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Ajoute le module 'arch.operands' à un module Python. */
+bool add_arch_operands_module(PyObject *);
+
+/* Intègre les objets du module 'arch.operands'. */
+bool populate_arch_operands_module(void);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_MODULE_H */
diff --git a/plugins/pychrysalide/arch/operands/register.c b/plugins/pychrysalide/arch/operands/register.c
new file mode 100644
index 0000000..74b6a4f
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/register.c
@@ -0,0 +1,330 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * register.c - équivalent Python du fichier "arch/operands/register.c"
+ *
+ * Copyright (C) 2018 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "register.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <arch/operands/register-int.h>
+#include <plugins/dt.h>
+
+
+#include "../operand.h"
+#include "../register.h"
+#include "../../access.h"
+#include "../../helpers.h"
+
+
+
+/* ------------------------ GLUE POUR CREATION DEPUIS PYTHON ------------------------ */
+
+
+/* Accompagne la création d'une instance dérivée en Python. */
+static PyObject *py_register_operand_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Initialise la classe des descriptions de fichier binaire. */
+static void py_register_operand_init_gclass(GRegisterOperandClass *, gpointer);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_register_operand_init(PyObject *self, PyObject *args, PyObject *kwds);
+
+
+
+/* ------------------------- REGISTRE SOUS FORME D'OPERANDE ------------------------- */
+
+
+/* Fournit le registre associé à l'opérande. */
+static PyObject *py_register_operand_get_register(PyObject *, void *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                          GLUE POUR CREATION DEPUIS PYTHON                          */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : type = type du nouvel objet à mettre en place.               *
+*                args = éventuelle liste d'arguments.                         *
+*                kwds = éventuel dictionnaire de valeurs mises à disposition. *
+*                                                                             *
+*  Description : Accompagne la création d'une instance dérivée en Python.     *
+*                                                                             *
+*  Retour      : Nouvel objet Python mis en place ou NULL en cas d'échec.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_register_operand_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+    PyObject *result;                       /* Objet à retourner           */
+    PyTypeObject *base;                     /* Type de base à dériver      */
+    bool first_time;                        /* Evite les multiples passages*/
+    GType gtype;                            /* Nouveau type de processeur  */
+    bool status;                            /* Bilan d'un enregistrement   */
+
+    /* Validations diverses */
+
+    base = get_python_register_operand_type();
+
+    if (type == base)
+        goto simple_way;
+
+    /* Mise en place d'un type dédié */
+
+    first_time = (g_type_from_name(type->tp_name) == 0);
+
+    gtype = built_dynamic_type(G_TYPE_REGISTER_OPERAND, type->tp_name,
+                               (GClassInitFunc)py_register_operand_init_gclass, NULL);
+
+    if (first_time)
+    {
+        status = register_class_for_dynamic_pygobject(gtype, type, base);
+
+        if (!status)
+        {
+            result = NULL;
+            goto exit;
+        }
+
+    }
+
+    /* On crée, et on laisse ensuite la main à PyGObject_Type.tp_init() */
+
+ simple_way:
+
+    result = PyType_GenericNew(type, args, kwds);
+
+ exit:
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : class  = classe à initialiser.                               *
+*                unused = données non utilisées ici.                          *
+*                                                                             *
+*  Description : Initialise la classe des descriptions de fichier binaire.    *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void py_register_operand_init_gclass(GRegisterOperandClass *class, gpointer unused)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = objet à initialiser (théoriquement).                  *
+*                args = arguments fournis à l'appel.                          *
+*                kwds = arguments de type key=val fournis.                    *
+*                                                                             *
+*  Description : Initialise une instance sur la base du dérivé de GObject.    *
+*                                                                             *
+*  Retour      : 0.                                                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static int py_register_operand_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    GArchRegister *reg;                     /* Registre brut transmis      */
+    int ret;                                /* Bilan de lecture des args.  */
+    PyObject *new_args;                     /* Nouveaux arguments épurés   */
+    PyObject *new_kwds;                     /* Nouveau dictionnaire épuré  */
+    GRegisterOperand *operand;              /* Opérande à manipuler        */
+
+    /* Récupération des paramètres */
+
+    ret = PyArg_ParseTuple(args, "O&", convert_to_arch_register, &reg);
+    if (!ret) return -1;
+
+    /* Initialisation d'un objet GLib */
+
+    new_args = PyTuple_New(0);
+    new_kwds = PyDict_New();
+
+    ret = PyGObject_Type.tp_init(self, new_args, new_kwds);
+
+    Py_DECREF(new_kwds);
+    Py_DECREF(new_args);
+
+    if (ret == -1) return -1;
+
+    /* Eléments de base */
+
+    operand = G_REGISTER_OPERAND(pygobject_get(self));
+
+    g_object_ref(G_OBJECT(reg));
+    operand->reg = reg;
+
+    return 0;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                           REGISTRE SOUS FORME D'OPERANDE                           */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit le registre associé à l'opérande.                    *
+*                                                                             *
+*  Retour      : Représentation interne du registre.                          *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_register_operand_get_register(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Instance Python à retourner */
+    GRegisterOperand *operand;              /* Version GLib de l'opérande  */
+    GArchRegister *reg;                     /* Registre lié à l'opérande   */
+
+    operand = G_REGISTER_OPERAND(pygobject_get(self));
+
+    reg = g_register_operand_get_register(operand);
+
+    if (reg == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        result = pygobject_new(G_OBJECT(reg));
+        g_object_unref(reg);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_register_operand_type(void)
+{
+    static PyMethodDef py_register_operand_methods[] = {
+        { NULL }
+    };
+
+    static PyGetSetDef py_register_operand_getseters[] = {
+        {
+            "register", py_register_operand_get_register, NULL,
+            "Provide the register used by the operand.", NULL
+        },
+        { NULL }
+    };
+
+    static PyTypeObject py_register_operand_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.arch.operands.RegisterOperand",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = "PyChrysalide instruction register operand.",
+
+        .tp_methods     = py_register_operand_methods,
+        .tp_getset      = py_register_operand_getseters,
+
+        .tp_init        = py_register_operand_init,
+        .tp_new         = py_register_operand_new,
+
+    };
+
+    return &py_register_operand_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.arch.ArchOperand'.     *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_register_operand_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'ArchOperand'   */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_register_operand_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.arch.operands");
+
+        dict = PyModule_GetDict(module);
+
+        if (!register_class_for_pygobject(dict, G_TYPE_REGISTER_OPERAND, type, get_python_arch_operand_type()))
+            return false;
+
+    }
+
+    return true;
+
+}
diff --git a/plugins/pychrysalide/arch/operands/register.h b/plugins/pychrysalide/arch/operands/register.h
new file mode 100644
index 0000000..e960067
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/register.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * register.h - prototypes pour l'équivalent Python du fichier "arch/operands/register.h"
+ *
+ * Copyright (C) 2018 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_REGISTER_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_REGISTER_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* ------------------------- REGISTRE SOUS FORME D'OPERANDE ------------------------- */
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_register_operand_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.arch.operands.RegisterOperand'. */
+bool ensure_python_register_operand_is_registered(void);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_REGISTER_H */
diff --git a/plugins/pychrysalide/arch/register.c b/plugins/pychrysalide/arch/register.c
new file mode 100644
index 0000000..0299fa6
--- /dev/null
+++ b/plugins/pychrysalide/arch/register.c
@@ -0,0 +1,354 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * register.c - équivalent Python du fichier "arch/register.c"
+ *
+ * Copyright (C) 2018 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "register.h"
+
+
+#include <assert.h>
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <arch/register-int.h>
+#include <plugins/dt.h>
+
+
+#include "../access.h"
+#include "../helpers.h"
+
+
+
+/* ------------------------ GLUE POUR CREATION DEPUIS PYTHON ------------------------ */
+
+
+/* Accompagne la création d'une instance dérivée en Python. */
+static PyObject *py_arch_register_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Initialise la classe des descriptions de fichier binaire. */
+static void py_arch_register_init_gclass(GArchRegisterClass *, gpointer);
+
+/* Indique si le registre correspond à ebp ou similaire. */
+static bool g_arch_register_is_base_pointer_wrapper(const GArchRegister *);
+
+
+
+/* ---------------------------- PUR REGISTRE DU MATERIEL ---------------------------- */
+
+
+/* Indique si le registre correspond à ebp ou similaire. */
+static PyObject *py_arch_register_is_base_pointer(PyObject *, void *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                          GLUE POUR CREATION DEPUIS PYTHON                          */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : type = type du nouvel objet à mettre en place.               *
+*                args = éventuelle liste d'arguments.                         *
+*                kwds = éventuel dictionnaire de valeurs mises à disposition. *
+*                                                                             *
+*  Description : Accompagne la création d'une instance dérivée en Python.     *
+*                                                                             *
+*  Retour      : Nouvel objet Python mis en place ou NULL en cas d'échec.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_arch_register_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+    PyObject *result;                       /* Objet à retourner           */
+    PyTypeObject *base;                     /* Type de base à dériver      */
+    bool first_time;                        /* Evite les multiples passages*/
+    GType gtype;                            /* Nouveau type de registre    */
+    bool status;                            /* Bilan d'un enregistrement   */
+
+    /* Validations diverses */
+
+    base = get_python_arch_register_type();
+
+    if (type == base)
+    {
+        result = NULL;
+        PyErr_Format(PyExc_RuntimeError, _("%s is an abstract class"), type->tp_name);
+        goto exit;
+    }
+
+    /* Mise en place d'un type dédié */
+
+    first_time = (g_type_from_name(type->tp_name) == 0);
+
+    gtype = built_dynamic_type(G_TYPE_ARCH_REGISTER, type->tp_name,
+                               (GClassInitFunc)py_arch_register_init_gclass, NULL);
+
+    if (first_time)
+    {
+        status = register_class_for_dynamic_pygobject(gtype, type, base);
+
+        if (!status)
+        {
+            result = NULL;
+            goto exit;
+        }
+
+    }
+
+    /* On crée, et on laisse ensuite la main à PyGObject_Type.tp_init() */
+
+    result = PyType_GenericNew(type, args, kwds);
+
+ exit:
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : class  = classe à initialiser.                               *
+*                unused = données non utilisées ici.                          *
+*                                                                             *
+*  Description : Initialise la classe des descriptions de fichier binaire.    *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void py_arch_register_init_gclass(GArchRegisterClass *class, gpointer unused)
+{
+    class->is_bp = g_arch_register_is_base_pointer_wrapper;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : reg = registre visé par la procédure.                        *
+*                                                                             *
+*  Description : Indique si le registre correspond à ebp ou similaire.        *
+*                                                                             *
+*  Retour      : true si la correspondance est avérée, false sinon.           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_arch_register_is_base_pointer_wrapper(const GArchRegister *reg)
+{
+    bool result;                            /* Bilan à renvoyer            */
+    PyObject *pyobj;                        /* Objet Python concerné       */
+    PyObject *pyret;                        /* Bilan de consultation       */
+
+    pyobj = pygobject_new(G_OBJECT(reg));
+
+    assert(has_python_method(pyobj, "_is_base_pointer"));
+
+    pyret = run_python_method(pyobj, "_is_base_pointer", NULL);
+
+    result = (pyret == Py_True);
+
+    Py_XDECREF(pyret);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                              PUR REGISTRE DU MATERIEL                              */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Indique si le registre correspond à ebp ou similaire.        *
+*                                                                             *
+*  Retour      : True si la correspondance est avérée, False sinon.           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_arch_register_is_base_pointer(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Instance Python à retourner */
+    GArchRegister *reg;                     /* Registre visé               */
+    bool status;                            /* Bilan de consultation       */
+
+    reg = G_ARCH_REGISTER(pygobject_get(self));
+
+    status = g_arch_register_is_base_pointer(reg);
+
+    result = status ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_arch_register_type(void)
+{
+    static PyMethodDef py_arch_register_methods[] = {
+        {
+            "_is_base_pointer", not_yet_implemented_method,
+            METH_NOARGS,
+            "_is_base_pointer($self, /)\n--\n\nDefine an implementation to provide the relative member value."
+        },
+        { NULL }
+    };
+
+    static PyGetSetDef py_arch_register_getseters[] = {
+        {
+            "is_base_pointer", py_arch_register_is_base_pointer, NULL,
+            "Tell if the register is a base pointer or not.", NULL
+        },
+        { NULL }
+    };
+
+    static PyTypeObject py_arch_register_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.arch.ArchRegister",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = "PyChrysalide register for a given architecture.",
+
+        .tp_methods     = py_arch_register_methods,
+        .tp_getset      = py_arch_register_getseters,
+
+        .tp_new         = py_arch_register_new,
+
+    };
+
+    return &py_arch_register_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.arch.ArchRegister'.    *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_arch_register_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'ArchRegister'  */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_arch_register_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.arch");
+
+        dict = PyModule_GetDict(module);
+
+        if (!register_class_for_pygobject(dict, G_TYPE_ARCH_REGISTER, type, &PyGObject_Type))
+            return false;
+
+    }
+
+    return true;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : arg = argument quelconque à tenter de convertir.             *
+*                dst = destination des valeurs récupérées en cas de succès.   *
+*                                                                             *
+*  Description : Tente de convertir en registre d'architecture.               *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_arch_register(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_arch_register_type());
+
+    switch (result)
+    {
+        case -1:
+            /* L'exception est déjà fixée par Python */
+            result = 0;
+            break;
+
+        case 0:
+            PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to architecture register");
+            break;
+
+        case 1:
+            *((GArchRegister **)dst) = G_ARCH_REGISTER(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/arch/register.h b/plugins/pychrysalide/arch/register.h
new file mode 100644
index 0000000..b2d9ec0
--- /dev/null
+++ b/plugins/pychrysalide/arch/register.h
@@ -0,0 +1,51 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * register.h - prototypes pour l'équivalent Python du fichier "arch/register.h"
+ *
+ * Copyright (C) 2018 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_REGISTER_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_REGISTER_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+#include <arch/register.h>
+
+
+
+/* ---------------------------- PUR REGISTRE DU MATERIEL ---------------------------- */
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_arch_register_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.arch.ArchRegister'. */
+bool ensure_python_arch_register_is_registered(void);
+
+/* Tente de convertir en registre d'architecture. */
+int convert_to_arch_register(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ARCH_REGISTER_H */