f17f15e57f
This is tested by the regression tests. Also make sure the handshake which sets up instances of sc_module is cleaned up if we bail partway through for some reason, for instance if an intermediate class throws an exception as part of its constructor. Change-Id: I89afe5f76832cc132aa2bb8f19916dea64546784 Reviewed-on: https://gem5-review.googlesource.com/12251 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
/*
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* Copyright 2018 Google, Inc.
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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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* Authors: Gabe Black
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*/
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#include "systemc/core/module.hh"
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#include <cassert>
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#include "base/logging.hh"
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#include "systemc/ext/utils/sc_report_handler.hh"
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namespace sc_gem5
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{
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namespace
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{
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std::list<Module *> _modules;
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Module *_new_module;
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Module *_callbackModule = nullptr;
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} // anonymous namespace
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Module::Module(const char *name) : _name(name), _sc_mod(nullptr), _obj(nullptr)
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{
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panic_if(_new_module, "Previous module not finished.\n");
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_new_module = this;
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}
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Module::~Module()
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{
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if (_new_module == this) {
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// Aborted module construction?
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_new_module = nullptr;
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}
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allModules.remove(this);
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}
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void
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Module::finish(Object *this_obj)
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{
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assert(!_obj);
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_obj = this_obj;
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_modules.push_back(this);
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_new_module = nullptr;
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// This is called from the constructor of this_obj, so it can't use
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// dynamic cast.
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sc_mod(static_cast<::sc_core::sc_module *>(this_obj->sc_obj()));
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allModules.emplace_back(this);
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}
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void
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Module::pop()
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{
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panic_if(!_modules.size(), "Popping from empty module list.\n");
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panic_if(_modules.back() != this,
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"Popping module which isn't at the end of the module list.\n");
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panic_if(_new_module, "Pop with unfinished module.\n");
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_modules.pop_back();
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}
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Module *
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currentModule()
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{
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if (_modules.empty())
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return nullptr;
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return _modules.back();
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}
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Module *
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newModuleChecked()
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{
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if (!_new_module) {
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SC_REPORT_ERROR("(E533) module name stack is empty: "
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"did you forget to add a sc_module_name parameter to "
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"your module constructor?", nullptr);
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}
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return _new_module;
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}
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Module *
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newModule()
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{
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return _new_module;
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}
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void callbackModule(Module *m) { _callbackModule = m; }
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Module *callbackModule() { return _callbackModule; }
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std::list<Module *> allModules;
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} // namespace sc_gem5
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