|  | //===- 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). " | 
|  | "If one unit runs more than this number of seconds the process will abort.") | 
|  | 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, 1, "Use coverage counters") | 
|  | FUZZER_FLAG_INT(use_traces, 0, "Experimental: use instruction traces") | 
|  | 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(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." | 
|  | " If zero, \"min(jobs,NumberOfCpuCores()/2)\" is used.") | 
|  | 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.") | 
|  | FUZZER_FLAG_STRING(sync_command, "Execute an external command " | 
|  | "\"<sync_command> <test_corpus>\" " | 
|  | "to synchronize the test corpus.") | 
|  | FUZZER_FLAG_INT(sync_timeout, 600, "Minimal timeout between syncs.") |