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/*
** Copyright (C) 2011 EADS France, Fabrice Desclaux <fabrice.desclaux@eads.net>
**
** This program 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 2 of the License, or
** (at your option) any later version.
**
** This program 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.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <Python.h>
#include <inttypes.h>
#include <libtcc.h>
/* tcc global state */
TCCState *tcc_state = NULL;
char *emul_lib_dir = NULL;
char *emul_lib_path = NULL;
char *emul_libpython_dir = NULL;
PyObject* tcc_set_emul_lib_path(PyObject* self, PyObject* args)
{
char* libdir;
char* libpath;
char* libpython_dir;
if (!PyArg_ParseTuple(args, "sss", &libdir, &libpath, &libpython_dir))
return NULL;
emul_lib_dir = (char*)malloc(strlen(libdir)+1);
emul_lib_path = (char*)malloc(strlen(libpath)+1);
emul_libpython_dir = (char*)malloc(strlen(libpython_dir)+1);
strcpy(emul_lib_dir, libdir);
strcpy(emul_lib_path, libpath);
strcpy(emul_libpython_dir, libpython_dir);
return Py_None;
}
void tcc_init_state(void)
{
tcc_state = tcc_new();
if (!tcc_state) {
fprintf(stderr, "Impossible de creer un contexte TCC\n");
exit(1);
}
tcc_set_output_type(tcc_state, TCC_OUTPUT_MEMORY);
tcc_add_include_path(tcc_state, emul_libpython_dir);
tcc_add_file(tcc_state, emul_lib_path);
}
PyObject* tcc_exec_bloc(PyObject* self, PyObject* args)
{
uint64_t (*func)(void);
unsigned long ret;
if (!PyArg_ParseTuple(args, "i", &func))
return NULL;
ret = func();
return PyLong_FromUnsignedLong(ret);
}
PyObject* tcc_compil(PyObject* self, PyObject* args)
{
char* func_name;
char* func_code;
int (*entry)(void);
if (!PyArg_ParseTuple(args, "ss", &func_name, &func_code))
return NULL;
tcc_init_state();
if (tcc_compile_string(tcc_state, func_code) != 0) {
printf("Erreur de compilation !\n");
printf("%s\n", func_code);
exit(0);
}
/* XXX use tinycc devel with -fPIC patch in makefile */
if (tcc_relocate(tcc_state) < 0)
exit(0);
entry = tcc_get_symbol(tcc_state, func_name);
if (!entry){
printf("Erreur de symbole !\n");
printf("%s\n", func_name);
exit(0);
}
return PyInt_FromLong((long)entry);
}
static PyObject *TccError;
static PyMethodDef TccMethods[] = {
{"tcc_set_emul_lib_path", tcc_set_emul_lib_path, METH_VARARGS,
"init tcc path"},
{"tcc_exec_bloc", tcc_exec_bloc, METH_VARARGS,
"tcc exec bloc"},
{"tcc_compil", tcc_compil, METH_VARARGS,
"tcc compil"},
{NULL, NULL, 0, NULL} /* Sentinel */
};
PyMODINIT_FUNC
initlibcodenat_tcc(void)
{
PyObject *m;
m = Py_InitModule("libcodenat_tcc", TccMethods);
if (m == NULL)
return;
TccError = PyErr_NewException("tcc.error", NULL, NULL);
Py_INCREF(TccError);
PyModule_AddObject(m, "error", TccError);
}
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