diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/Changelog.md | 1 | ||||
| -rw-r--r-- | docs/env_variables.md | 6 |
2 files changed, 5 insertions, 2 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md index cae99681..8c0624b6 100644 --- a/docs/Changelog.md +++ b/docs/Changelog.md @@ -20,6 +20,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>. address for the shared memory map is used as this increases the fuzzing speed - fixes to LTO mode if instrumented edges > MAP_SIZE + - CTX and NGRAM can now be used together - added AFL_LLVM_SKIP_NEVERZERO to skip the never zero coverage counter implmentation. For targets with little or no loops or heavy called functions. Gives a small performance boost. diff --git a/docs/env_variables.md b/docs/env_variables.md index bdbb8520..ab5808ec 100644 --- a/docs/env_variables.md +++ b/docs/env_variables.md @@ -97,12 +97,14 @@ Then there are a few specific features that are only available in llvm_mode: - AFL_LLVM_INSTRUMENT - this configures the instrumentation mode. Available options: - DEFAULT - classic AFL (map[cur_loc ^ prev_loc >> 1]++) + CLASSIC - classic AFL (map[cur_loc ^ prev_loc >> 1]++) (default) CFG - InsTrim instrumentation (see below) LTO - LTO instrumentation (see below) CTX - context sensitive instrumentation (see below) NGRAM-x - deeper previous location coverage (from NGRAM-2 up to NGRAM-16) - Only one can be used. + In CLASSIC (default) can can also specify CTX and/nor NGRAM, seperate + the options with a comma "," then, e.g.: + AFL_LLVM_INSTRUMENT=CLASSIC,CTX,NGRAM-4 ### LTO |