blob: c44531e2f689eb0b2e590f4a9972f44fe7b60910 [file] [log] [blame]
/*
* Copyright (c) 2008 The Hewlett-Packard Development Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Python.h>
#include <iostream>
#include "pybind11/embed.h"
#include "pybind11/pybind11.h"
#include "python/embedded.hh"
#include "sim/init_signals.hh"
using namespace gem5;
namespace py = pybind11;
// main() is now pretty stripped down and just sets up python and then
// calls EmbeddedPython::initAll which loads the various embedded python
// modules into the python environment and then starts things running by
// running python's m5.main().
int
main(int argc, char **argv)
{
// Initialize gem5 special signal handling.
initSignals();
// Convert argv[0] to a wchar_t string, using python's locale and cleanup
// functions.
std::unique_ptr<wchar_t[], decltype(&PyMem_RawFree)> program(
Py_DecodeLocale(argv[0], nullptr),
&PyMem_RawFree);
// This can help python find libraries at run time relative to this binary.
// It's probably not necessary, but is mostly harmless and might be useful.
Py_SetProgramName(program.get());
py::scoped_interpreter guard;
auto importer = py::module_::import("importer");
importer.attr("install")();
// Embedded python doesn't set up sys.argv, so we'll do that ourselves.
py::list py_argv;
auto sys = py::module::import("sys");
if (py::hasattr(sys, "argv")) {
// sys.argv already exists, so grab that.
py_argv = sys.attr("argv");
} else {
// sys.argv doesn't exist, so create it.
sys.add_object("argv", py_argv);
}
// Clear out argv just in case it has something in it.
py_argv.attr("clear")();
// Fill it with our argvs.
for (int i = 0; i < argc; i++)
py_argv.append(argv[i]);
try {
py::module_::import("m5").attr("main")();
} catch (py::error_already_set &e) {
if (e.matches(PyExc_SystemExit))
return e.value().attr("code").cast<int>();
std::cerr << e.what();
return 1;
}
return 0;
}