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/* Chrysalide - Outil d'analyse de fichiers binaires
* targetableop.c - prototypes pour l'équivalent Python du fichier "arch/targetableop.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 "targetableop.h"
#include <assert.h>
#include <pygobject.h>
#include <i18n.h>
#include <arch/targetableop.h>
#include "processor.h"
#include "vmpa.h"
#include "../access.h"
#include "../helpers.h"
#include "../format/format.h"
/* Obtient l'adresse de la cible visée par un opérande. */
static PyObject *py_targetable_operand_get_addr(PyObject *, PyObject *);
/******************************************************************************
* *
* Paramètres : self = contenu binaire à manipuler. *
* args = non utilisé ici. *
* *
* Description : Obtient l'adresse de la cible visée par un opérande. *
* *
* Retour : Localisation de la cible ou None. *
* *
* Remarques : - *
* *
******************************************************************************/
static PyObject *py_targetable_operand_get_addr(PyObject *self, PyObject *args)
{
PyObject *result; /* Instance à retourner */
PyObject *src_obj; /* Objet pour une position */
PyObject *format_obj; /* Objet pour un format */
PyObject *proc_obj; /* Objet pour une architecture */
int ret; /* Bilan de lecture des args. */
vmpa2t *src; /* Version native d'adresse */
GBinFormat *format; /* Instance GLib du format */
GArchProcessor *proc; /* Instance GLib de l'archi. */
GTargetableOperand *operand; /* Instance à manipuler */
vmpa2t addr; /* Localisation à cibler */
bool defined; /* Cible définie ? */
ret = PyArg_ParseTuple(args, "O!",
get_python_vmpa_type(), &src_obj,
get_python_binary_format_type(), &format_obj,
get_python_arch_processor_type(), &proc_obj);
if (!ret) return NULL;
src = get_internal_vmpa(src_obj);
assert(src != NULL);
format = G_BIN_FORMAT(pygobject_get(format_obj));
proc = G_ARCH_PROCESSOR(pygobject_get(proc_obj));
operand = G_TARGETABLE_OPERAND(pygobject_get(self));
assert(operand != NULL);
defined = g_targetable_operand_get_addr(operand, src, format, proc, &addr);
if (defined)
result = build_from_internal_vmpa(&addr);
else
{
result = Py_None;
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_targetable_operand_type(void)
{
static PyMethodDef py_targetable_operand_methods[] = {
{
"get_addr", py_targetable_operand_get_addr,
METH_VARARGS,
"get_addr($self, src, format, proc, /)\n--\n\nGet a target address from an operand."
},
{ NULL }
};
static PyGetSetDef py_targetable_operand_getseters[] = {
{ NULL }
};
static PyTypeObject py_targetable_operand_type = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "pychrysalide.arch.TargetableOperand",
.tp_basicsize = sizeof(PyObject),
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
.tp_doc = "PyChrysalide targetable operand",
.tp_methods = py_targetable_operand_methods,
.tp_getset = py_targetable_operand_getseters
};
return &py_targetable_operand_type;
}
/******************************************************************************
* *
* Paramètres : module = module dont la définition est à compléter. *
* *
* Description : Prend en charge l'objet 'pychrysalide.....TargetableOperand'.*
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool ensure_python_targetable_operand_is_registered(void)
{
PyTypeObject *type; /* Type 'TargetableOperand' */
PyObject *module; /* Module à recompléter */
PyObject *dict; /* Dictionnaire du module */
type = get_python_targetable_operand_type();
if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
{
module = get_access_to_python_module("pychrysalide.arch");
dict = PyModule_GetDict(module);
if (!register_interface_for_pygobject(dict, G_TYPE_TARGETABLE_OPERAND, type))
return false;
}
return true;
}
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