1 //===- FuzzerFlags.def - Run-time flags -------------------------*- C++ -* ===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
9 // Flags. FUZZER_FLAG_INT/FUZZER_FLAG_STRING macros should be defined at the
10 // point of inclusion. We are not using any flag parsing library for better
11 // portability and independence.
12 //===----------------------------------------------------------------------===//
13 FUZZER_FLAG_INT(verbosity, 1, "Verbosity level.")
14 FUZZER_FLAG_INT(seed, 0, "Random seed. If 0, seed is generated.")
15 FUZZER_FLAG_INT(runs, -1,
16 "Number of individual test runs (-1 for infinite runs).")
17 FUZZER_FLAG_INT(max_len, 64, "Maximum length of the test input.")
18 FUZZER_FLAG_INT(cross_over, 1, "If 1, cross over inputs.")
19 FUZZER_FLAG_INT(mutate_depth, 5,
20 "Apply this number of consecutive mutations to each input.")
22 prefer_small_during_initial_shuffle, -1,
23 "If 1, always prefer smaller inputs during the initial corpus shuffle."
24 " If 0, never do that. If -1, do it sometimes.")
25 FUZZER_FLAG_INT(exit_on_first, 0,
26 "If 1, exit after the first new interesting input is found.")
29 "Timeout in seconds (if positive). "
30 "If one unit runs more than this number of seconds the process will abort.")
31 FUZZER_FLAG_INT(help, 0, "Print help.")
33 save_minimized_corpus, 0,
34 "If 1, the minimized corpus is saved into the first input directory")
35 FUZZER_FLAG_INT(use_counters, 1, "Use coverage counters")
36 FUZZER_FLAG_INT(use_traces, 0, "Experimental: use instruction traces")
37 FUZZER_FLAG_INT(use_full_coverage_set, 0,
38 "Experimental: Maximize the number of different full"
39 " coverage sets as opposed to maximizing the total coverage."
40 " This is potentially MUCH slower, but may discover more paths.")
41 FUZZER_FLAG_INT(jobs, 0, "Number of jobs to run. If jobs >= 1 we spawn"
42 " this number of jobs in separate worker processes"
43 " with stdout/stderr redirected to fuzz-JOB.log.")
44 FUZZER_FLAG_INT(workers, 0,
45 "Number of simultaneous worker processes to run the jobs."
46 " If zero, \"min(jobs,NumberOfCpuCores()/2)\" is used.")
47 FUZZER_FLAG_INT(reload, 1,
48 "Reload the main corpus periodically to get new units"
49 " discovered by other processes.")
50 FUZZER_FLAG_STRING(deprecated_tokens,
51 "Use the file with tokens (one token per line) to"
52 " fuzz a token based input language.")
53 FUZZER_FLAG_STRING(apply_tokens, "Read the given input file, substitute bytes "
54 " with tokens and write the result to stdout.")
55 FUZZER_FLAG_STRING(sync_command, "Execute an external command "
56 "\"<sync_command> <test_corpus>\" "
57 "to synchronize the test corpus.")
58 FUZZER_FLAG_INT(sync_timeout, 600, "Minimum timeout between syncs.")
59 FUZZER_FLAG_INT(report_slow_units, 10,
60 "Report slowest units if they run for more than this number of seconds.")
61 FUZZER_FLAG_INT(only_ascii, 0,
62 "If 1, generate only ASCII (isprint+isspace) inputs.")
63 FUZZER_FLAG_STRING(dict, "Experimental. Use the dictionary file.")
64 FUZZER_FLAG_INT(tbm_depth, 5, "Apply at most this number of consecutive"
65 "trace-based-mutations (tbm).")
66 FUZZER_FLAG_INT(tbm_width, 5, "Apply at most this number of independent"
67 "trace-based-mutations (tbm)")