diff options
Diffstat (limited to 'docs/README')
| -rw-r--r-- | docs/README | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/docs/README b/docs/README index 41a9459f..ca8533f7 100644 --- a/docs/README +++ b/docs/README @@ -110,6 +110,11 @@ superior to blind fuzzing or coverage-only tools. 3) Instrumenting programs for use with AFL ------------------------------------------ +PLEASE NOTE: llvm_mode compilation with afl-clang-fast/afl-clang-fast++ +instead of afl-gcc/afl-g++ is much faster and has a few cool features. +See llvm_mode/ - however few code does not compile with llvm. +We support llvm versions 4.0 to 8. + When source code is available, instrumentation can be injected by a companion tool that works as a drop-in replacement for gcc or clang in any standard build process for third-party code. @@ -129,10 +134,11 @@ For C++ programs, you'd would also want to set CXX=/path/to/afl/afl-g++. The clang wrappers (afl-clang and afl-clang++) can be used in the same way; clang users may also opt to leverage a higher-performance instrumentation mode, as described in llvm_mode/README.llvm. -Clang/LLVM has a much better performance, but only works with LLVM up to and -including 6.0.1. +Clang/LLVM has a much better performance and works from LLVM version 4.0 to 8. Using the LAF Intel performance enhancements are also recommended, see -docs/README.laf-intel +llvm_mode/README.laf-intel +Using partial instrumentation is also recommended, see +llvm_mode/README.whitelist When testing libraries, you need to find or write a simple program that reads data from stdin or from a file and passes it to the tested library. In such a @@ -148,8 +154,8 @@ automatically enable code hardening options that make it easier to detect simple memory bugs. Libdislocator, a helper library included with AFL (see libdislocator/README.dislocator) can help uncover heap corruption issues, too. -PS. ASAN users are advised to review notes_for_asan.txt file for important -caveats. +PS. ASAN users are advised to docs/review notes_for_asan.txt file for +important caveats. 4) Instrumenting binary-only apps |