1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution;
11 * neither the name of the copyright holders nor the names of its
12 * contributors may be used to endorse or promote products derived from
13 * this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * Authors: Gabe Black
28 */
29
30#include "systemc/core/sc_main_fiber.hh"
31
32#include <cstring>
33#include <string>
34
35#include "systemc/core/kernel.hh"
36#include "systemc/core/scheduler.hh"
37#include "systemc/ext/core/messages.hh"
38#include "systemc/ext/core/sc_main.hh"
39#include "systemc/ext/utils/sc_report_handler.hh"
40#include "systemc/utils/report.hh"
41
42// A weak symbol to detect if sc_main has been defined, and if so where it is.
43[[gnu::weak]] int sc_main(int argc, char *argv[]);
44
45namespace sc_gem5
46{
47
48void
49ScMainFiber::main()
50{
51    _called = true;
52
53    if (::sc_main) {
54        try {
55            _resultInt = ::sc_main(_argc, _argv);
56            if (_resultInt)
57                _resultStr = "sc_main returned non-zero";
58            else
59                _resultStr = "sc_main finished";
60            // Make sure no systemc events/notifications are scheduled
61            // after sc_main returns.
62        } catch (const ::sc_core::sc_report &r) {
63            // There was an exception nobody caught.
64            _resultStr = "uncaught sc_report";
65            reportHandlerProc(
66                    r, ::sc_core::sc_report_handler::get_catch_actions());
67        } catch (...) {
68            // There was some other type of exception we need to wrap.
69            _resultStr = "uncaught exception";
70            reportHandlerProc(reportifyException(),
71                    ::sc_core::sc_report_handler::get_catch_actions());
72        }
73        scheduler.clear();
74    } else {
75        // If python tries to call sc_main but no sc_main was defined...
76        fatal("sc_main called but not defined.\n");
77    }
78}
79
80ScMainFiber scMainFiber;
81
82} // namespace sc_gem5
83