//===- FuzzerFlags.def - Run-time flags -------------------------*- C++ -* ===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // Flags. FUZZER_FLAG_INT/FUZZER_FLAG_STRING macros should be defined at the // point of inclusion. We are not using any flag parsing library for better // portability and independence. //===----------------------------------------------------------------------===// FUZZER_FLAG_INT(verbosity, 1, "Verbosity level.") FUZZER_FLAG_INT(seed, 0, "Random seed. If 0, seed is generated.") FUZZER_FLAG_INT(iterations, -1, "Number of iterations of the fuzzer internal loop" " (-1 for infinite iterations).") FUZZER_FLAG_INT(runs, -1, "Number of individual test runs (-1 for infinite runs).") FUZZER_FLAG_INT(max_len, 64, "Maximal length of the test input.") FUZZER_FLAG_INT(cross_over, 1, "If 1, cross over inputs.") FUZZER_FLAG_INT(mutate_depth, 5, "Apply this number of consecutive mutations to each input.") FUZZER_FLAG_INT( prefer_small_during_initial_shuffle, -1, "If 1, always prefer smaller inputs during the initial corpus shuffle." " If 0, never do that. If -1, do it sometimes.") FUZZER_FLAG_INT(exit_on_first, 0, "If 1, exit after the first new interesting input is found.") FUZZER_FLAG_INT(timeout, -1, "Timeout in seconds (if positive).") FUZZER_FLAG_INT(help, 0, "Print help.") FUZZER_FLAG_INT( save_minimized_corpus, 0, "If 1, the minimized corpus is saved into the first input directory") FUZZER_FLAG_INT(use_counters, 0, "Use coverage counters") FUZZER_FLAG_INT(use_full_coverage_set, 0, "Experimental: Maximize the number of different full" " coverage sets as opposed to maximizing the total coverage." " This is potentially MUCH slower, but may discover more paths.") FUZZER_FLAG_INT(use_coverage_pairs, 0, "Experimental: Maximize the number of different coverage pairs.") FUZZER_FLAG_INT(jobs, 0, "Number of jobs to run. If jobs >= 1 we spawn" " this number of jobs in separate worker processes" " with stdout/stderr redirected to fuzz-JOB.log.") FUZZER_FLAG_INT(workers, 0, "Number of simultaneous worker processes to run the jobs.") FUZZER_FLAG_INT(dfsan, 1, "Use DFSan for taint-guided mutations. No-op unless " "the DFSan instrumentation was compiled in.") FUZZER_FLAG_INT(reload, 1, "Reload the main corpus periodically to get new units" "discovered by other processes.") FUZZER_FLAG_STRING(tokens, "Use the file with tokens (one token per line) to" " fuzz a token based input language.") FUZZER_FLAG_STRING(apply_tokens, "Read the given input file, substitute bytes " " with tokens and write the result to stdout.")