1 //===- FuzzerDriver.cpp - FuzzerDriver function and flags -----------------===//
46 } Flags;  variable
50   {#Name, Description, Default, &Flags.Name, nullptr, nullptr},
53    nullptr, nullptr, &Flags.Name},
55   {#Name, Description, 0, nullptr, &Flags.Name, nullptr},
102       Printf("WARNING: libFuzzer ignores flags that start with '--'\n");  in ParseOneFlag()
113         if (Flags.verbosity >= 2)  in ParseOneFlag()
119         if (Flags.verbosity >= 2)  in ParseOneFlag()
124         if (Flags.verbosity >= 2)  in ParseOneFlag()
169     if (Flags.verbosity)  in WorkerThread()
232   if (Flags.help) {  in FuzzerDriver()
237   if (Flags.jobs > 0 && Flags.workers == 0) {  in FuzzerDriver()
238     Flags.workers = std::min(NumberOfCpuCores() / 2, Flags.jobs);  in FuzzerDriver()
239     if (Flags.workers > 1)  in FuzzerDriver()
240       Printf("Running %d workers\n", Flags.workers);  in FuzzerDriver()
243   if (Flags.workers > 0 && Flags.jobs > 0)  in FuzzerDriver()
244     return RunInMultipleProcesses(Args, Flags.workers, Flags.jobs);  in FuzzerDriver()
247   Options.Verbosity = Flags.verbosity;  in FuzzerDriver()
248   Options.MaxLen = Flags.max_len;  in FuzzerDriver()
249   Options.UnitTimeoutSec = Flags.timeout;  in FuzzerDriver()
250   Options.MaxTotalTimeSec = Flags.max_total_time;  in FuzzerDriver()
251   Options.DoCrossOver = Flags.cross_over;  in FuzzerDriver()
252   Options.MutateDepth = Flags.mutate_depth;  in FuzzerDriver()
253   Options.ExitOnFirst = Flags.exit_on_first;  in FuzzerDriver()
254   Options.UseCounters = Flags.use_counters;  in FuzzerDriver()
255   Options.UseIndirCalls = Flags.use_indir_calls;  in FuzzerDriver()
256   Options.UseTraces = Flags.use_traces;  in FuzzerDriver()
257   Options.ShuffleAtStartUp = Flags.shuffle;  in FuzzerDriver()
259       Flags.prefer_small_during_initial_shuffle;  in FuzzerDriver()
260   Options.Reload = Flags.reload;  in FuzzerDriver()
261   Options.OnlyASCII = Flags.only_ascii;  in FuzzerDriver()
262   Options.TBMDepth = Flags.tbm_depth;  in FuzzerDriver()
263   Options.TBMWidth = Flags.tbm_width;  in FuzzerDriver()
264   Options.OutputCSV = Flags.output_csv;  in FuzzerDriver()
265   if (Flags.runs >= 0)  in FuzzerDriver()
266     Options.MaxNumberOfRuns = Flags.runs;  in FuzzerDriver()
269   if (Flags.sync_command)  in FuzzerDriver()
270     Options.SyncCommand = Flags.sync_command;  in FuzzerDriver()
271   Options.SyncTimeout = Flags.sync_timeout;  in FuzzerDriver()
272   Options.ReportSlowUnits = Flags.report_slow_units;  in FuzzerDriver()
273   if (Flags.artifact_prefix)  in FuzzerDriver()
274     Options.ArtifactPrefix = Flags.artifact_prefix;  in FuzzerDriver()
275   if (Flags.exact_artifact_path)  in FuzzerDriver()
276     Options.ExactArtifactPath = Flags.exact_artifact_path;  in FuzzerDriver()
278   if (Flags.dict)  in FuzzerDriver()
279     if (!ParseDictionaryFile(FileToString(Flags.dict), &Dictionary))  in FuzzerDriver()
281   if (Flags.verbosity > 0 && !Dictionary.empty())  in FuzzerDriver()
283   Options.SaveArtifacts = !Flags.test_single_input;  in FuzzerDriver()
291   if (Flags.timeout > 0)  in FuzzerDriver()
292     SetTimer(Flags.timeout / 2 + 1);  in FuzzerDriver()
294   if (Flags.test_single_input) {  in FuzzerDriver()
295     RunOneTest(&F, Flags.test_single_input);  in FuzzerDriver()
299   if (Flags.save_minimized_corpus) {  in FuzzerDriver()
304   if (Flags.merge) {  in FuzzerDriver()
309   unsigned Seed = Flags.seed;  in FuzzerDriver()
313   if (Flags.verbosity)  in FuzzerDriver()
325   if (Flags.drill)  in FuzzerDriver()
330   if (Flags.verbosity)  in FuzzerDriver()