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/* Chrysalide - Outil d'analyse de fichiers binaires
* constants.c - ajout des constantes de base pour les architectures
*
* Copyright (C) 2019-2020 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 "constants.h"
//#include <arch/instruction.h>
//#include <arch/processor.h>
#include <arch/vmpa.h>
#include "../helpers.h"
#if 0 // FIXME
/******************************************************************************
* *
* Paramètres : type = type dont le dictionnaire est à compléter. *
* *
* Description : Définit les constantes relatives aux instructions. *
* *
* Retour : true en cas de succès de l'opération, false sinon. *
* *
* Remarques : - *
* *
******************************************************************************/
bool define_arch_instruction_constants(PyTypeObject *type)
{
bool result; /* Bilan à retourner */
PyObject *values; /* Groupe de valeurs à établir */
values = PyDict_New();
result = add_const_to_group(values, "NONE", AIF_NONE);
if (result) result = add_const_to_group(values, "ROUTINE_START", AIF_ROUTINE_START);
if (result) result = add_const_to_group(values, "RETURN_POINT", AIF_RETURN_POINT);
if (result) result = add_const_to_group(values, "COND_RETURN_POINT", AIF_COND_RETURN_POINT);
if (result) result = add_const_to_group(values, "CALL", AIF_CALL);
if (result) result = add_const_to_group(values, "LOW_USER", AIF_LOW_USER);
if (result) result = add_const_to_group(values, "HIGH_USER", AIF_HIGH_USER);
if (!result)
{
Py_DECREF(values);
goto exit;
}
result = attach_constants_group_to_type(type, true, "ArchInstrFlag", values,
"Flags for some instruction properties.");
values = PyDict_New();
result = add_const_to_group(values, "FETCH", IPH_FETCH);
if (result) result = add_const_to_group(values, "LINK", IPH_LINK);
if (result) result = add_const_to_group(values, "POST", IPH_POST);
if (result) result = add_const_to_group(values, "COUNT", IPH_COUNT);
if (!result)
{
Py_DECREF(values);
goto exit;
}
result = attach_constants_group_to_type(type, false, "InstrProcessHook", values,
"Kind of hook for instruction processing after disassembling.");
values = PyDict_New();
result = add_const_to_group(values, "EXEC_FLOW", ILT_EXEC_FLOW);
if (result) result = add_const_to_group(values, "JUMP", ILT_JUMP);
if (result) result = add_const_to_group(values, "CASE_JUMP", ILT_CASE_JUMP);
if (result) result = add_const_to_group(values, "JUMP_IF_TRUE", ILT_JUMP_IF_TRUE);
if (result) result = add_const_to_group(values, "JUMP_IF_FALSE", ILT_JUMP_IF_FALSE);
if (result) result = add_const_to_group(values, "LOOP", ILT_LOOP);
if (result) result = add_const_to_group(values, "CALL", ILT_CALL);
if (result) result = add_const_to_group(values, "CATCH_EXCEPTION", ILT_CATCH_EXCEPTION);
if (result) result = add_const_to_group(values, "REF", ILT_REF);
if (result) result = add_const_to_group(values, "COUNT", ILT_COUNT);
if (!result)
{
Py_DECREF(values);
goto exit;
}
result = attach_constants_group_to_type(type, false, "InstructionLinkType", values,
"Kind of link between two instructions.");
exit:
return result;
}
/******************************************************************************
* *
* Paramètres : type = type dont le dictionnaire est à compléter. *
* *
* Description : Définit les constantes relatives aux processeurs. *
* *
* Retour : true en cas de succès de l'opération, false sinon. *
* *
* Remarques : - *
* *
******************************************************************************/
bool define_arch_processor_constants(PyTypeObject *type)
{
bool result; /* Bilan à retourner */
PyObject *values; /* Groupe de valeurs à établir */
values = PyDict_New();
result = add_const_to_group(values, "DISASSEMBLY", APE_DISASSEMBLY);
if (result) result = add_const_to_group(values, "LABEL", APE_LABEL);
if (!result)
{
Py_DECREF(values);
goto exit;
}
result = attach_constants_group_to_type(type, true, "ArchProcessingError", values,
"Flags for error occurring while disassembling instructions.");
exit:
return result;
}
/******************************************************************************
* *
* Paramètres : arg = argument quelconque à tenter de convertir. *
* dst = destination des valeurs récupérées en cas de succès. *
* *
* Description : Tente de convertir en constante ArchProcessingError. *
* *
* Retour : Bilan de l'opération, voire indications supplémentaires. *
* *
* Remarques : - *
* *
******************************************************************************/
int convert_to_arch_processing_error(PyObject *arg, void *dst)
{
int result; /* Bilan à retourner */
unsigned long value; /* Valeur transcrite */
result = PyObject_IsInstance(arg, (PyObject *)&PyLong_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 ArchProcessingError");
break;
case 1:
value = PyLong_AsUnsignedLong(arg);
if ((value & (APE_DISASSEMBLY | APE_LABEL)) != 0)
{
PyErr_SetString(PyExc_TypeError, "invalid value for ArchProcessingError");
result = 0;
}
else
*((ArchProcessingError *)dst) = value;
break;
default:
assert(false);
break;
}
return result;
}
#endif
/******************************************************************************
* *
* Paramètres : type = type dont le dictionnaire est à compléter. *
* *
* Description : Définit les constantes relatives aux emplacements. *
* *
* Retour : true en cas de succès de l'opération, false sinon. *
* *
* Remarques : - *
* *
******************************************************************************/
bool define_arch_vmpa_constants(PyTypeObject *type)
{
bool result; /* Bilan à retourner */
PyObject *values; /* Groupe de valeurs à établir */
values = PyDict_New();
result = add_const_to_group(values, "NO_PHYSICAL", VMPA_NO_PHYSICAL);
if (result) result = add_const_to_group(values, "NO_VIRTUAL", VMPA_NO_VIRTUAL);
if (!result)
{
Py_DECREF(values);
goto exit;
}
result = attach_constants_group_to_type(type, false, "VmpaSpecialValue", values,
"Special values for memory locations.");
exit:
return result;
}
#if 0 // FIXME
/******************************************************************************
* *
* Paramètres : type = type dont le dictionnaire est à compléter. *
* *
* Description : Définit les constantes relatives aux contextes. *
* *
* Retour : true en cas de succès de l'opération, false sinon. *
* *
* Remarques : - *
* *
******************************************************************************/
bool define_proc_context_constants(PyTypeObject *type)
{
bool result; /* Bilan à retourner */
PyObject *values; /* Groupe de valeurs à établir */
values = PyDict_New();
result = add_const_to_group(values, "ENTRY_POINT", DPL_ENTRY_POINT);
if (result) result = add_const_to_group(values, "FORMAT_POINT", DPL_FORMAT_POINT);
if (result) result = add_const_to_group(values, "SYMBOL", DPL_SYMBOL);
if (result) result = add_const_to_group(values, "OTHER", DPL_OTHER);
if (result) result = add_const_to_group(values, "COUNT", DPL_COUNT);
if (!result)
{
Py_DECREF(values);
goto exit;
}
result = attach_constants_group_to_type(type, true, "DisassPriorityLevel", values,
"Level of priority for a given point during the" \
" disassembling process.");
exit:
return result;
}
/******************************************************************************
* *
* Paramètres : arg = argument quelconque à tenter de convertir. *
* dst = destination des valeurs récupérées en cas de succès. *
* *
* Description : Tente de convertir en constante DisassPriorityLevel. *
* *
* Retour : Bilan de l'opération, voire indications supplémentaires. *
* *
* Remarques : - *
* *
******************************************************************************/
int convert_to_disass_priority_level(PyObject *arg, void *dst)
{
int result; /* Bilan à retourner */
unsigned long value; /* Valeur transcrite */
result = PyObject_IsInstance(arg, (PyObject *)&PyLong_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 DisassPriorityLevel");
break;
case 1:
value = PyLong_AsUnsignedLong(arg);
if (value > DPL_COUNT)
{
PyErr_SetString(PyExc_TypeError, "invalid value for DisassPriorityLevel");
result = 0;
}
else
*((DisassPriorityLevel *)dst) = value;
break;
default:
assert(false);
break;
}
return result;
}
#endif
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