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Diffstat (limited to 'ext/systemc/src/sysc/kernel/sc_except.cpp')
| -rw-r--r-- | ext/systemc/src/sysc/kernel/sc_except.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/kernel/sc_except.cpp b/ext/systemc/src/sysc/kernel/sc_except.cpp new file mode 100644 index 000000000..2699f8daf --- /dev/null +++ b/ext/systemc/src/sysc/kernel/sc_except.cpp @@ -0,0 +1,142 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + sc_except.cpp -- kill/reset exception handling + + Original Author: Philipp A. Hartmann, OFFIS + + CHANGE LOG APPEARS AT THE END OF THE FILE + *****************************************************************************/ + +#include "sysc/kernel/sc_cmnhdr.h" +// +#include "sysc/kernel/sc_except.h" +#include "sysc/kernel/sc_process.h" +// +#include "sysc/utils/sc_report.h" + +namespace sc_core { + +sc_unwind_exception::sc_unwind_exception( sc_process_b* proc_p, bool is_reset ) + : m_proc_p(proc_p), m_is_reset( is_reset ) +{ + sc_assert( m_proc_p ); + m_proc_p->start_unwinding(); +} + +bool +sc_unwind_exception::active() const +{ + return m_proc_p && m_proc_p->is_unwinding(); +} + +void +sc_unwind_exception::clear() const +{ + sc_assert( m_proc_p ); + m_proc_p->clear_unwinding(); +} + +const char* +sc_unwind_exception::what() const throw() +{ + return ( m_is_reset ) ? "RESET" : "KILL"; +} + +sc_unwind_exception::~sc_unwind_exception() throw() +{ + if( active() ) { + // can't throw an exception, since we're already throwing + // -> abort instead + SC_REPORT_FATAL( SC_ID_RETHROW_UNWINDING_, m_proc_p->name() ); + } +} + +// handle and translate uncaught exceptions here +// +// These exceptions can either escape from sc_main() directly, +// indirectly from an SC_METHOD(), or are thrown from within +// an SC_(C)THREAD() +// +// returns a pointer to a dynamically allocated sc_report object, +// containing the caught message + +sc_report* +sc_handle_exception() +{ + try { + + // re-throw exception here + try { throw; } + + catch( sc_report & ) // to be on the safe side + { + throw; // continue + } + catch( sc_unwind_exception const & ) + { + sc_assert( false && "Unhandled kill/reset, should never happen" ); + } + catch( std::exception const & x ) + { + SC_REPORT_ERROR( SC_ID_SIMULATION_UNCAUGHT_EXCEPTION_, x.what() ); + } + catch( char const * x ) + { + SC_REPORT_ERROR( SC_ID_SIMULATION_UNCAUGHT_EXCEPTION_, x ); + } + catch( ... ) + { + SC_REPORT_ERROR( SC_ID_SIMULATION_UNCAUGHT_EXCEPTION_, + "UNKNOWN EXCEPTION" ); + } + } + // everything is an sc_report now + catch( sc_report & rpt ) + { + sc_report* rpt_p = new sc_report; + rpt_p->swap( rpt ); + return rpt_p; + } + return 0; +} + +} // namespace sc_core + +// $Log: sc_except.cpp,v $ +// Revision 1.4 2011/08/26 20:46:09 acg +// Andy Goodrich: moved the modification log to the end of the file to +// eliminate source line number skew when check-ins are done. +// +// Revision 1.3 2011/05/09 04:07:48 acg +// Philipp A. Hartmann: +// (1) Restore hierarchy in all phase callbacks. +// (2) Ensure calls to before_end_of_elaboration. +// +// Revision 1.2 2011/02/13 21:47:37 acg +// Andy Goodrich: update copyright notice. +// +// Revision 1.1 2011/02/10 22:47:38 acg +// Andy Goodrich: first check in of Philipp A. Hartmann's new exception +// processing code. +// + +// Taf! |