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Diffstat (limited to 'src/systemc/core/sc_main_fiber.cc')
-rw-r--r-- | src/systemc/core/sc_main_fiber.cc | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/systemc/core/sc_main_fiber.cc b/src/systemc/core/sc_main_fiber.cc new file mode 100644 index 000000000..aa10c19c4 --- /dev/null +++ b/src/systemc/core/sc_main_fiber.cc @@ -0,0 +1,82 @@ +/* + * Copyright 2018 Google, Inc. + * + * 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. + * + * Authors: Gabe Black + */ + +#include "systemc/core/sc_main_fiber.hh" + +#include <cstring> +#include <string> + +#include "systemc/core/kernel.hh" +#include "systemc/core/scheduler.hh" +#include "systemc/ext/core/messages.hh" +#include "systemc/ext/core/sc_main.hh" +#include "systemc/ext/utils/sc_report_handler.hh" +#include "systemc/utils/report.hh" + +// A weak symbol to detect if sc_main has been defined, and if so where it is. +[[gnu::weak]] int sc_main(int argc, char *argv[]); + +namespace sc_gem5 +{ + +void +ScMainFiber::main() +{ + _called = true; + + if (::sc_main) { + try { + _resultInt = ::sc_main(_argc, _argv); + if (_resultInt) + _resultStr = "sc_main returned non-zero"; + else + _resultStr = "sc_main finished"; + // Make sure no systemc events/notifications are scheduled + // after sc_main returns. + } catch (const ::sc_core::sc_report &r) { + // There was an exception nobody caught. + _resultStr = "uncaught sc_report"; + reportHandlerProc( + r, ::sc_core::sc_report_handler::get_catch_actions()); + } catch (...) { + // There was some other type of exception we need to wrap. + _resultStr = "uncaught exception"; + reportHandlerProc(reportifyException(), + ::sc_core::sc_report_handler::get_catch_actions()); + } + scheduler.clear(); + } else { + // If python tries to call sc_main but no sc_main was defined... + fatal("sc_main called but not defined.\n"); + } +} + +ScMainFiber scMainFiber; + +} // namespace sc_gem5 |