llvm-project/llvm/lib/Fuzzer/FuzzerFlags.def

//===- 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(runs, -1,
            "Number of individual test runs (-1 for infinite runs).")
FUZZER_FLAG_INT(max_len, 64, "Maximum 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(shuffle, 1, "Shuffle inputs at startup")
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, 1200,
    "Timeout in seconds (if positive). "
    "If one unit runs more than this number of seconds the process will abort.")
FUZZER_FLAG_INT(max_total_time, 0, "If positive, indicates the maximal total "
                                   "time in seconds to run the fuzzer.")
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. "
    "Example: ./fuzzer -save_minimized_corpus=1 NEW_EMPTY_DIR OLD_CORPUS")
FUZZER_FLAG_INT(merge, 0, "If 1, the 2-nd, 3-rd, etc corpora will be "
  "merged into the 1-st corpus. Only interesting units will be taken.")
FUZZER_FLAG_INT(use_counters, 1, "Use coverage counters")
FUZZER_FLAG_INT(use_indir_calls, 1, "Use indirect caller-callee counters")
FUZZER_FLAG_INT(use_traces, 0, "Experimental: use instruction traces")
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(sync_command, "Execute an external command "
                                 "\"<sync_command> <test_corpus>\" "
                                 "to synchronize the test corpus.")
FUZZER_FLAG_INT(sync_timeout, 600, "Minimum timeout between syncs.")
FUZZER_FLAG_INT(report_slow_units, 10,
    "Report slowest units if they run for more than this number of seconds.")
FUZZER_FLAG_INT(only_ascii, 0,
                "If 1, generate only ASCII (isprint+isspace) inputs.")
FUZZER_FLAG_STRING(dict, "Experimental. Use the dictionary file.")
FUZZER_FLAG_INT(tbm_depth, 5, "Apply at most this number of consecutive"
                               "trace-based-mutations (tbm).")
FUZZER_FLAG_INT(tbm_width, 5, "Apply at most this number of independent"
                               "trace-based-mutations (tbm)")
FUZZER_FLAG_STRING(test_single_input, "Use specified file as test input.")
FUZZER_FLAG_STRING(artifact_prefix, "Write fuzzing artifacts (crash, "
                                    "timeout, or slow inputs) as "
                                    "$(artifact_prefix)file")
FUZZER_FLAG_INT(drill, 0, "Experimental: fuzz using a single unit as the seed "
                          "corpus, then merge with the initial corpus")
FUZZER_FLAG_INT(output_csv, 0, "Enable pulse output in CSV format.")