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authorCyrille Bagard <nocbos@gmail.com>2019-01-31 07:44:01 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2019-01-31 07:44:01 (GMT)
commit8f557031ec362c4b2e85724f6bc392086cefadea (patch)
tree29aef9683e67548174a4da7bcb6373b0c0602d66 /plugins/pychrysalide/arch
parente873101ef61b19ddf7bf1ef9230143d0735c0fd8 (diff)
Created Python bindings for undefined instructions.
Diffstat (limited to 'plugins/pychrysalide/arch')
-rw-r--r--plugins/pychrysalide/arch/Makefile.am1
-rw-r--r--plugins/pychrysalide/arch/module.c2
-rw-r--r--plugins/pychrysalide/arch/undefined.c367
-rw-r--r--plugins/pychrysalide/arch/undefined.h45
4 files changed, 415 insertions, 0 deletions
diff --git a/plugins/pychrysalide/arch/Makefile.am b/plugins/pychrysalide/arch/Makefile.am
index b47bf24..b26727d 100644
--- a/plugins/pychrysalide/arch/Makefile.am
+++ b/plugins/pychrysalide/arch/Makefile.am
@@ -13,6 +13,7 @@ libpychrysaarch_la_SOURCES = \
raw.h raw.c \
register.h register.c \
targetableop.h targetableop.c \
+ undefined.h undefined.c \
vmpa.h vmpa.c
libpychrysaarch_la_LIBADD = \
diff --git a/plugins/pychrysalide/arch/module.c b/plugins/pychrysalide/arch/module.c
index d412ddc..cacc167 100644
--- a/plugins/pychrysalide/arch/module.c
+++ b/plugins/pychrysalide/arch/module.c
@@ -42,6 +42,7 @@
#include "raw.h"
#include "register.h"
#include "targetableop.h"
+#include "undefined.h"
#include "vmpa.h"
#include "operands/module.h"
#include "../helpers.h"
@@ -178,6 +179,7 @@ bool populate_arch_module(void)
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_undefined_instruction_is_registered();
if (result) result = ensure_python_vmpa_is_registered();
if (result) result = ensure_python_mrange_is_registered();
diff --git a/plugins/pychrysalide/arch/undefined.c b/plugins/pychrysalide/arch/undefined.c
new file mode 100644
index 0000000..4d10385
--- /dev/null
+++ b/plugins/pychrysalide/arch/undefined.c
@@ -0,0 +1,367 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * undefined.c - équivalent Python du fichier "arch/undefined.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
+ */
+
+
+#include "undefined.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <arch/undefined-int.h>
+#include <plugins/dt.h>
+
+
+#include "instruction.h"
+#include "../access.h"
+#include "../helpers.h"
+
+
+
+/* Accompagne la création d'une instance dérivée en Python. */
+static PyObject *py_undef_instruction_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_undef_instruction_init(PyObject *, PyObject *, PyObject *);
+
+/* Indique le type de conséquences réél de l'instruction. */
+static PyObject *py_undef_instruction_get_status(PyObject *, void *);
+
+/* Définit les constantes pour les instructions non définies. */
+static bool py_undefined_instruction_define_constants(PyTypeObject *);
+
+
+
+/******************************************************************************
+* *
+* 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_undef_instruction_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_undefined_instruction_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 = build_dynamic_type(G_TYPE_UNDEF_INSTRUCTION, type->tp_name, NULL, NULL, 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 : 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_undef_instruction_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+ unsigned long status; /* Conséquence pour l'instruct°*/
+ int ret; /* Bilan de lecture des args. */
+ PyObject *new_args; /* Nouveaux arguments épurés */
+ PyObject *new_kwds; /* Nouveau dictionnaire épuré */
+ GUndefInstruction *instr; /* Instruction à manipuler */
+
+ static char *kwlist[] = { "status", NULL };
+
+ /* Récupération des paramètres */
+
+ ret = PyArg_ParseTupleAndKeywords(args, kwds, "k", kwlist, &status);
+ 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 */
+
+ instr = G_UNDEF_INSTRUCTION(pygobject_get(self));
+
+ instr->status = status;
+
+ return 0;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = classe représentant une instruction. *
+* closure = adresse non utilisée ici. *
+* *
+* Description : Indique le type de conséquences réél de l'instruction. *
+* *
+* Retour : Etat réel du CPU après l'exécution de l'instruction. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_undef_instruction_get_status(PyObject *self, void *closure)
+{
+ PyObject *result; /* Conversion à retourner */
+ GUndefInstruction *instr; /* Version native */
+ InstrBehaviorStatus status; /* Etat de la définition */
+
+ instr = G_UNDEF_INSTRUCTION(pygobject_get(self));
+
+ status = g_undef_instruction_get_status(instr);
+
+ result = PyLong_FromLong(status);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : obj_type = type dont le dictionnaire est à compléter. *
+* *
+* Description : Définit les constantes pour les instructions non définies. *
+* *
+* Retour : true en cas de succès de l'opération, false sinon. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool py_undefined_instruction_define_constants(PyTypeObject *obj_type)
+{
+ bool result; /* Bilan à retourner */
+
+ result = true;
+
+ if (result) result = PyDict_AddStringMacro(obj_type, BPC_RAW);
+ if (result) result = PyDict_AddStringMacro(obj_type, BPC_CODE);
+ if (result) result = PyDict_AddStringMacro(obj_type, BPC_DATA);
+ if (result) result = PyDict_AddStringMacro(obj_type, BPC_DATA_RO);
+ if (result) result = PyDict_AddStringMacro(obj_type, BPC_DISASS_ERROR);
+
+ if (result) result = PyDict_AddULongMacro(obj_type, PAC_NONE);
+ if (result) result = PyDict_AddULongMacro(obj_type, PAC_READ);
+ if (result) result = PyDict_AddULongMacro(obj_type, PAC_WRITE);
+ if (result) result = PyDict_AddULongMacro(obj_type, PAC_EXEC);
+ if (result) result = PyDict_AddULongMacro(obj_type, PAC_ALL);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_undefined_instruction_type(void)
+{
+ static PyMethodDef py_undefined_instruction_methods[] = {
+ { NULL }
+ };
+
+ static PyGetSetDef py_undefined_instruction_getseters[] = {
+ {
+ "status", py_undef_instruction_get_status, NULL,
+ "Consequence carried by the undefined instruction.", NULL
+ },
+ { NULL }
+ };
+
+ static PyTypeObject py_undefined_instruction_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.arch.UndefInstruction",
+ .tp_basicsize = sizeof(PyGObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT,
+
+ .tp_doc = "PyChrysalide undefined instruction for a all architectures.",
+
+ .tp_methods = py_undefined_instruction_methods,
+ .tp_getset = py_undefined_instruction_getseters,
+
+ .tp_init = py_undef_instruction_init,
+ .tp_new = py_undef_instruction_new,
+
+ };
+
+ return &py_undefined_instruction_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.arch.ArchInstruction'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool ensure_python_undefined_instruction_is_registered(void)
+{
+ PyTypeObject *type; /* Type Python 'UndefinedInstruction'*/
+ PyObject *module; /* Module à recompléter */
+ PyObject *dict; /* Dictionnaire du module */
+
+ type = get_python_undefined_instruction_type();
+
+ if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+ {
+ module = get_access_to_python_module("pychrysalide.arch");
+
+ dict = PyModule_GetDict(module);
+
+ if (!ensure_python_arch_instruction_is_registered())
+ return false;
+
+ if (!register_class_for_pygobject(dict, G_TYPE_UNDEF_INSTRUCTION, type, get_python_arch_instruction_type()))
+ return false;
+
+ if (!py_undefined_instruction_define_constants(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 instruction non définie. *
+* *
+* Retour : Bilan de l'opération, voire indications supplémentaires. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int convert_to_undefined_instruction(PyObject *arg, void *dst)
+{
+ int result; /* Bilan à retourner */
+
+ result = PyObject_IsInstance(arg, (PyObject *)get_python_undefined_instruction_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 undefined instruction");
+ break;
+
+ case 1:
+ *((GUndefInstruction **)dst) = G_UNDEF_INSTRUCTION(pygobject_get(arg));
+ break;
+
+ default:
+ assert(false);
+ break;
+
+ }
+
+ return result;
+
+}
diff --git a/plugins/pychrysalide/arch/undefined.h b/plugins/pychrysalide/arch/undefined.h
new file mode 100644
index 0000000..814f00c
--- /dev/null
+++ b/plugins/pychrysalide/arch/undefined.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * undefined.h - prototypes pour l'équivalent Python du fichier "arch/undefined.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_UNDEFINED_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_UNDEFINED_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_undefined_instruction_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.arch.UndefinedInstruction'. */
+bool ensure_python_undefined_instruction_is_registered(void);
+
+/* Tente de convertir en instruction non définie. */
+int convert_to_undefined_instruction(PyObject *, void *);
+
+
+
+#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_UNDEFINED_H */