Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | //===-- FuzzerCLI.h - Common logic for CLIs of fuzzers ----------*- C++ -*-===// |
| 2 | // |
||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
||
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
||
| 6 | // |
||
| 7 | //===----------------------------------------------------------------------===// |
||
| 8 | // |
||
| 9 | // Common logic needed to implement LLVM's fuzz targets' CLIs - including LLVM |
||
| 10 | // concepts like cl::opt and libFuzzer concepts like -ignore_remaining_args=1. |
||
| 11 | // |
||
| 12 | //===----------------------------------------------------------------------===// |
||
| 13 | |||
| 14 | #ifndef LLVM_FUZZMUTATE_FUZZERCLI_H |
||
| 15 | #define LLVM_FUZZMUTATE_FUZZERCLI_H |
||
| 16 | |||
| 17 | #include "llvm/Support/DataTypes.h" |
||
| 18 | #include <stddef.h> |
||
| 19 | |||
| 20 | namespace llvm { |
||
| 21 | |||
| 22 | class StringRef; |
||
| 23 | |||
| 24 | /// Parse cl::opts from a fuzz target commandline. |
||
| 25 | /// |
||
| 26 | /// This handles all arguments after -ignore_remaining_args=1 as cl::opts. |
||
| 27 | void parseFuzzerCLOpts(int ArgC, char *ArgV[]); |
||
| 28 | |||
| 29 | /// Handle backend options that are encoded in the executable name. |
||
| 30 | /// |
||
| 31 | /// Parses some common backend options out of a specially crafted executable |
||
| 32 | /// name (argv[0]). For example, a name like llvm-foo-fuzzer--aarch64-gisel |
||
| 33 | /// might set up an AArch64 triple and the Global ISel selector. This should be |
||
| 34 | /// called *before* parseFuzzerCLOpts if calling both. |
||
| 35 | /// |
||
| 36 | /// This is meant to be used for environments like OSS-Fuzz that aren't capable |
||
| 37 | /// of passing in command line arguments in the normal way. |
||
| 38 | void handleExecNameEncodedBEOpts(StringRef ExecName); |
||
| 39 | |||
| 40 | /// Handle optimizer options which are encoded in the executable name. |
||
| 41 | /// Same semantics as in 'handleExecNameEncodedBEOpts'. |
||
| 42 | void handleExecNameEncodedOptimizerOpts(StringRef ExecName); |
||
| 43 | |||
| 44 | using FuzzerTestFun = int (*)(const uint8_t *Data, size_t Size); |
||
| 45 | using FuzzerInitFun = int (*)(int *argc, char ***argv); |
||
| 46 | |||
| 47 | /// Runs a fuzz target on the inputs specified on the command line. |
||
| 48 | /// |
||
| 49 | /// Useful for testing fuzz targets without linking to libFuzzer. Finds inputs |
||
| 50 | /// in the argument list in a libFuzzer compatible way. |
||
| 51 | int runFuzzerOnInputs( |
||
| 52 | int ArgC, char *ArgV[], FuzzerTestFun TestOne, |
||
| 53 | FuzzerInitFun Init = [](int *, char ***) { return 0; }); |
||
| 54 | |||
| 55 | } // namespace llvm |
||
| 56 | |||
| 57 | #endif // LLVM_FUZZMUTATE_FUZZERCLI_H |