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authorCyrille Bagard <nocbos@gmail.com>2019-01-21 18:49:45 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2019-01-21 18:49:45 (GMT)
commite10081897750e74dfd01266606870aab3638cfbf (patch)
treeb9fbb90301a9ca443af82e3f9dd5e58f05dfbbe3 /plugins/pychrysalide/core/processors.c
parent7c04cf1a2dcc9e04ce8f280f399d6904053e89d9 (diff)
Provided a way to register new available processors from Python.
Diffstat (limited to 'plugins/pychrysalide/core/processors.c')
-rw-r--r--plugins/pychrysalide/core/processors.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/plugins/pychrysalide/core/processors.c b/plugins/pychrysalide/core/processors.c
new file mode 100644
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+++ b/plugins/pychrysalide/core/processors.c
@@ -0,0 +1,248 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * processors.c - équivalent Python du fichier "core/processors.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 "processors.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <arch/processor.h>
+#include <core/processors.h>
+
+
+#include "../access.h"
+#include "../helpers.h"
+#include "../pychrysa.h"
+#include "../arch/processor.h"
+
+
+
+/* Enregistre un processeur pour une architecture donnée. */
+static PyObject *py_processors_register_type(PyObject *, PyObject *);
+
+/* Fournit le nom humain de l'architecture visée. */
+static PyObject *py_processors_get_description(PyObject *, PyObject *);
+
+/* Fournit le processeur d'architecture correspondant à un nom. */
+static PyObject *py_processors_get_for_name(PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* args = arguments fournis à l'appel. *
+* *
+* Description : Enregistre un processeur pour une architecture donnée. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_processors_register_type(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Bilan à retourner */
+ const char *name; /* Nom technique de processeur */
+ const char *desc; /* description humaine liée */
+ PyObject *type; /* Type d'une instance future */
+ int ret; /* Bilan de lecture des args. */
+ PyObject *new_args; /* Nouveaux arguments épurés */
+ PyObject *new_kwds; /* Nouveau dictionnaire épuré */
+ PyObject *dummy; /* Coquille vide pour analyse */
+ GType instance; /* Type pour futures instances */
+ bool status; /* Bilan d'un enregistrement */
+
+ ret = PyArg_ParseTuple(args, "ssO!", &name, &desc, &PyType_Type, &type);
+ if (!ret) return NULL;
+
+ ret = PyObject_IsSubclass(type, (PyObject *)get_python_arch_processor_type());;
+ if (ret == -1) return NULL;
+
+ if (ret != 1)
+ {
+ PyErr_SetString(PyExc_TypeError, _("The new processor should be a subclass of the ArchProcessor type."));
+ return NULL;
+ }
+
+ /**
+ * Comme le type GLib n'est initié et enregistré qu'à la création d'une première instance,
+ * on force sa mise en place ici, afin de ne pas contraidre l'utilisateur à le faire
+ * lui même via un appel du style :
+ *
+ * register_processor('aaa', 'BBB CCC', type(AaaProcessor()))
+ */
+
+ new_args = PyTuple_New(0);
+ new_kwds = PyDict_New();
+
+ dummy = PyObject_Call(type, new_args, new_kwds);
+
+ Py_DECREF(new_kwds);
+ Py_DECREF(new_args);
+
+ if (dummy == NULL) return NULL;
+
+ instance = pyg_type_from_object_strict((PyObject *)Py_TYPE(dummy), TRUE);
+ assert(instance != 0 && instance != G_TYPE_ARCH_PROCESSOR);
+
+ Py_DECREF(dummy);
+
+ status = register_processor_type(name, desc, instance);
+
+ result = status ? Py_True : Py_False;
+ Py_INCREF(result);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* args = arguments fournis à l'appel. *
+* *
+* Description : Fournit le nom humain de l'architecture visée. *
+* *
+* Retour : Désignation humaine trouvée ou NULL. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_processors_get_description(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Bilan à retourner */
+ const char *name; /* Nom technique de processeur */
+ int ret; /* Bilan de lecture des args. */
+ const char *desc; /* Description humaine obtenue */
+
+ ret = PyArg_ParseTuple(args, "s", &name);
+ if (!ret) return NULL;
+
+ desc = get_arch_processor_description(name);
+
+ if (desc != NULL)
+ result = PyUnicode_FromString(desc);
+
+ else
+ {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* args = arguments fournis à l'appel. *
+* *
+* Description : Fournit le processeur d'architecture correspondant à un nom. *
+* *
+* Retour : Processeur d'architecture trouvé. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_processors_get_for_name(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Bilan à retourner */
+ const char *name; /* Nom technique de processeur */
+ int ret; /* Bilan de lecture des args. */
+ GArchProcessor *proc; /* Instance mise en place */
+
+ ret = PyArg_ParseTuple(args, "s", &name);
+ if (!ret) return NULL;
+
+ proc = get_arch_processor_for_name(name);
+
+ if (proc != NULL)
+ {
+ result = pygobject_new(G_OBJECT(proc));
+ g_object_unref(G_OBJECT(proc));
+ }
+ else
+ {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Définit une extension du module 'core' à compléter. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool populate_core_module_with_processors(void)
+{
+ bool result; /* Bilan à retourner */
+ PyObject *module; /* Module à recompléter */
+
+ static PyMethodDef py_processors_methods[] = {
+ {
+ "register_processor", py_processors_register_type,
+ METH_VARARGS,
+ "register_type(name, desc, cls, /)\n--\n\nRegister an an architecture processor by its name, description and class type."
+ },
+ {
+ "get_processor_description", py_processors_get_description,
+ METH_VARARGS,
+ "get_processor_description(name, /)\n--\n\nProvide the description of a given architecture processor."
+ },
+ {
+ "get_processor_for_name", py_processors_get_for_name,
+ METH_VARARGS,
+ "get_processor_for_name(name, /)\n--\n\nProvide an instance of an architecture processor for a given name."
+ },
+ { NULL }
+
+ };
+
+ module = get_access_to_python_module("pychrysalide.core");
+
+ result = register_python_module_methods(module, py_processors_methods);
+
+ return result;
+
+}