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| author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-07-20 14:23:07 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-20 14:23:07 +0200 |
| commit | 914426d8877a111563dca3d4ec769c9ee95254e6 (patch) | |
| tree | 646b71fafb67d6f1c8ccdad648c45e9a1dd1ad53 /qemu_mode/patches/afl-qemu-cpu-inl.h | |
| parent | 302e71779095357d1f04e97085a6db9dd10530ae (diff) | |
| parent | 27928fbc946c4bed18534c565354cefef8eca04a (diff) | |
| download | afl++-914426d8877a111563dca3d4ec769c9ee95254e6.tar.gz | |
Merge pull request #26 from vanhauser-thc/qemu-compcov
Qemu CompCov
Diffstat (limited to 'qemu_mode/patches/afl-qemu-cpu-inl.h')
| -rw-r--r-- | qemu_mode/patches/afl-qemu-cpu-inl.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/qemu_mode/patches/afl-qemu-cpu-inl.h b/qemu_mode/patches/afl-qemu-cpu-inl.h index 851478a0..03951fea 100644 --- a/qemu_mode/patches/afl-qemu-cpu-inl.h +++ b/qemu_mode/patches/afl-qemu-cpu-inl.h @@ -9,7 +9,8 @@ TCG instrumentation and block chaining support by Andrea Biondo <andrea.biondo965@gmail.com> - QEMU 3.1.0 port and thread-safety by Andrea Fioraldi + + QEMU 3.1.0 port, TCG thread-safety and CompareCoverage by Andrea Fioraldi <andreafioraldi@gmail.com> Copyright 2015, 2016, 2017 Google Inc. All rights reserved. @@ -65,6 +66,8 @@ abi_ulong afl_entry_point, /* ELF entry point (_start) */ afl_start_code, /* .text start pointer */ afl_end_code; /* .text end pointer */ +u8 afl_enable_compcov; + /* Set in the child process in forkserver mode: */ static int forkserver_installed = 0; @@ -147,7 +150,6 @@ static void afl_setup(void) { if (inst_r) afl_area_ptr[0] = 1; - } if (getenv("AFL_INST_LIBS")) { @@ -156,6 +158,11 @@ static void afl_setup(void) { afl_end_code = (abi_ulong)-1; } + + if (getenv("AFL_QEMU_COMPCOV")) { + + afl_enable_compcov = 1; + } /* pthread_atfork() seems somewhat broken in util/rcu.c, and I'm not entirely sure what is the cause. This disables that |