2e4b7d9091
When pybind11's scoped_interpreter_guard is constructed, it can take argc and argv parameters which it uses to intitialize the sys.argv list in python. We can use that mechanism instead of setting that up manually ourselves. Change-Id: If34fac610d1f829aef313bb9ea4c9dfe6bc8fc0f Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/54309 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Gabe Black <gabe.black@gmail.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
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* Copyright (c) 2008 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <Python.h>
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#include <iostream>
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#include "pybind11/embed.h"
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#include "pybind11/pybind11.h"
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#include "python/embedded.hh"
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#include "sim/init_signals.hh"
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using namespace gem5;
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namespace py = pybind11;
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// main() is now pretty stripped down and just sets up python and then
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// calls EmbeddedPython::initAll which loads the various embedded python
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// modules into the python environment and then starts things running by
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// running python's m5.main().
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int
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main(int argc, char **argv)
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{
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// Initialize gem5 special signal handling.
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initSignals();
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// Convert argv[0] to a wchar_t string, using python's locale and cleanup
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// functions.
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std::unique_ptr<wchar_t[], decltype(&PyMem_RawFree)> program(
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Py_DecodeLocale(argv[0], nullptr),
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&PyMem_RawFree);
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// This can help python find libraries at run time relative to this binary.
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// It's probably not necessary, but is mostly harmless and might be useful.
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Py_SetProgramName(program.get());
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py::scoped_interpreter guard(true, argc, argv);
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auto importer = py::module_::import("importer");
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importer.attr("install")();
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try {
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py::module_::import("m5").attr("main")();
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} catch (py::error_already_set &e) {
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if (e.matches(PyExc_SystemExit))
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return e.value().attr("code").cast<int>();
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std::cerr << e.what();
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return 1;
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}
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return 0;
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}
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