| // Copyright 2012 Google Inc. All Rights Reserved. |
| // |
| // Licensed 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. |
| // |
| // This defines the virtual simulator class, which analyzes trace files from |
| // the execution of an instrumented dll, and calls the respective events |
| // from a subclass of SimulatorEventHandler. |
| |
| #ifndef SYZYGY_SIMULATE_SIMULATOR_H_ |
| #define SYZYGY_SIMULATE_SIMULATOR_H_ |
| |
| #include "syzygy/playback/playback.h" |
| #include "syzygy/simulate/simulation_event_handler.h" |
| #include "syzygy/trace/parse/parser.h" |
| |
| namespace simulate { |
| |
| // This class consumes a set of call-trace logs and reports the number of |
| // pagefaults on them. |
| class Simulator : public trace::parser::ParseEventHandlerImpl { |
| public: |
| typedef playback::Playback Playback; |
| typedef Playback::TraceFileList TraceFileList; |
| |
| // Construct a new Simulator instance. |
| // @param module_path The path of the module dll. |
| // @param instrumented_path The path of the instrumented dll. |
| // @param trace_files A list of trace files to analyze. |
| // @param simulation The simulation where the events will be fed. |
| Simulator(const base::FilePath& module_path, |
| const base::FilePath& instrumented_path, |
| const TraceFileList& trace_files, |
| SimulationEventHandler* simulation); |
| |
| // Decomposes the image, parses the trace files and captures |
| // the pagefaults on them. |
| // @returns true on success, false on failure. |
| bool ParseTraceFiles(); |
| |
| protected: |
| typedef block_graph::BlockGraph BlockGraph; |
| typedef pe::PEFile PEFile; |
| typedef pe::ImageLayout ImageLayout; |
| typedef trace::parser::Parser Parser; |
| |
| // @name ParseEventHandler overrides. |
| // @{ |
| virtual void OnProcessStarted(base::Time time, |
| DWORD process_id, |
| const TraceSystemInfo* data) override; |
| virtual void OnFunctionEntry(base::Time time, |
| DWORD process_id, |
| DWORD thread_id, |
| const TraceEnterExitEventData* data) override; |
| virtual void OnBatchFunctionEntry(base::Time time, |
| DWORD process_id, |
| DWORD thread_id, |
| const TraceBatchEnterData* data) override; |
| // @} |
| |
| // The input files. |
| base::FilePath module_path_; |
| base::FilePath instrumented_path_; |
| TraceFileList trace_files_; |
| |
| // The PE file and Image layout to be passed to playback_. |
| BlockGraph block_graph_; |
| PEFile pe_file_; |
| ImageLayout image_layout_; |
| |
| // A Playback, which would decompose the given image and call the On... |
| // functions on this Simulator. |
| std::unique_ptr<Playback> playback_; |
| |
| // The call-trace log file parser. This can be preset to a custom parser |
| // prior to calling Simulator. |
| std::unique_ptr<Parser> parser_; |
| |
| // A pointer to a simulation, that is to be used. |
| SimulationEventHandler* simulation_; |
| }; |
| |
| } // namespace simulate |
| |
| #endif // SYZYGY_SIMULATE_SIMULATOR_H_ |