diff options
| author | van Hauser <vh@thc.org> | 2020-05-23 01:37:21 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-05-23 01:37:21 +0200 |
| commit | c64ea494320f174575206006d0ea8c098c1a71e1 (patch) | |
| tree | 57b56d1eb489b9cca596891dd48733f2b5de8e99 /llvm_mode | |
| parent | 38fe1c60666d9e8cb3d7b825e5a926111b2160d5 (diff) | |
| download | afl++-c64ea494320f174575206006d0ea8c098c1a71e1.tar.gz | |
AFL_LLVM_LAF_ALL
Diffstat (limited to 'llvm_mode')
| -rw-r--r-- | llvm_mode/README.laf-intel.md | 3 | ||||
| -rw-r--r-- | llvm_mode/afl-clang-fast.c | 17 |
2 files changed, 16 insertions, 4 deletions
diff --git a/llvm_mode/README.laf-intel.md b/llvm_mode/README.laf-intel.md index 462c7bac..2fa4bc26 100644 --- a/llvm_mode/README.laf-intel.md +++ b/llvm_mode/README.laf-intel.md @@ -37,3 +37,6 @@ series of sign, exponent and mantissa comparisons followed by splitting each of them into 8 bit comparisons when necessary. It is activated with the `AFL_LLVM_LAF_SPLIT_FLOATS` setting, available only when `AFL_LLVM_LAF_SPLIT_COMPARES` is set. + +You can also set `AFL_LLVM_LAF_ALL` and have all of the above enabled :-) + diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c index 2cc40b62..2aeb0400 100644 --- a/llvm_mode/afl-clang-fast.c +++ b/llvm_mode/afl-clang-fast.c @@ -829,14 +829,14 @@ int main(int argc, char **argv, char **envp) { "AFL_LLVM_NOT_ZERO: use cycling trace counters that skip zero\n" "AFL_LLVM_SKIP_NEVERZERO: do not skip zero on trace counters\n" "AFL_LLVM_LAF_SPLIT_COMPARES: enable cascaded comparisons\n" - "AFL_LLVM_LAF_SPLIT_FLOATS: transform floating point comp. to " - "cascaded " - "comp.\n" + "AFL_LLVM_LAF_SPLIT_COMPARES_BITW: size limit (default 8)\n" "AFL_LLVM_LAF_SPLIT_SWITCHES: casc. comp. in 'switch'\n" " to cascaded comparisons\n" + "AFL_LLVM_LAF_SPLIT_FLOATS: transform floating point comp. to " + "cascaded comp.\n" "AFL_LLVM_LAF_TRANSFORM_COMPARES: transform library comparison " "function calls\n" - "AFL_LLVM_LAF_SPLIT_COMPARES_BITW: size limit (default 8)\n" + "AFL_LLVM_LAF_ALL: enables all LAF splits/transforms\n" "AFL_LLVM_WHITELIST: enable whitelisting (selective " "instrumentation)\n" "AFL_NO_BUILTIN: compile for use with libtokencap.so\n" @@ -925,6 +925,15 @@ int main(int argc, char **argv, char **envp) { check_environment_vars(envp); + if (getenv("AFL_LLVM_LAF_ALL")) { + + setenv("AFL_LLVM_LAF_SPLIT_SWITCHES", "1", 1); + setenv("AFL_LLVM_LAF_SPLIT_COMPARES", "1", 1); + setenv("AFL_LLVM_LAF_SPLIT_FLOATS", "1", 1); + setenv("AFL_LLVM_LAF_TRANSFORM_COMPARES", "1", 1); + + } + cmplog_mode = getenv("AFL_CMPLOG") || getenv("AFL_LLVM_CMPLOG"); if (!be_quiet && cmplog_mode) printf("CmpLog mode by <andreafioraldi@gmail.com>\n"); |