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Diffstat (limited to 'instrumentation')
| -rw-r--r-- | instrumentation/README.gcc_plugin.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/instrumentation/README.gcc_plugin.md b/instrumentation/README.gcc_plugin.md index 53519b90..919801d1 100644 --- a/instrumentation/README.gcc_plugin.md +++ b/instrumentation/README.gcc_plugin.md @@ -3,6 +3,13 @@ See [../README.md](../README.md) for the general instruction manual. See [README.llvm.md](README.llvm.md) for the LLVM-based instrumentation. +TLDR: + * `apt-get install gcc-VERSION-plugin-dev` + * `make` + * gcc and g++ must point to the gcc-VERSION you you have to set AFL_CC/AFL_CXX + to point to these! + * just use afl-gcc-fast/afl-g++-fast normally like you would afl-clang-fast + ## 1) Introduction The code in this directory allows you to instrument programs for AFL using @@ -40,8 +47,12 @@ installing the `gcc-VERSION-plugin-dev` packages. To build the instrumentation itself, type 'make'. This will generate binaries called afl-gcc-fast and afl-g++-fast in the parent directory. + +The gcc and g++ compiler links have to point to gcc-VERSION - or set these +by pointing the environment variables AFL_CC/AFL_CXX to them. If the CC/CXX have been overridden, those compilers will be used from those wrappers without using AFL_CXX/AFL_CC settings. + Once this is done, you can instrument third-party code in a way similar to the standard operating mode of AFL, e.g.: |