diff options
| author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-07-19 00:55:41 +0200 |
|---|---|---|
| committer | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-07-19 00:55:41 +0200 |
| commit | 81dd1aea8251ef3e23ac5f81cda4b6785b655fd0 (patch) | |
| tree | 7b0105f8f1006517d07c672b341966bcba9761de /qemu_mode/patches/afl-qemu-cpu-inl.h | |
| parent | 5b2cb426beb7af233b54d46c23750b96e69590a5 (diff) | |
| download | afl++-81dd1aea8251ef3e23ac5f81cda4b6785b655fd0.tar.gz | |
experimental x86 support for compcov in QEMU
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, 10 insertions, 1 deletions
diff --git a/qemu_mode/patches/afl-qemu-cpu-inl.h b/qemu_mode/patches/afl-qemu-cpu-inl.h index 32030408..a6a36de5 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; @@ -156,6 +159,12 @@ static void afl_setup(void) { afl_end_code = (abi_ulong)-1; } + + if (getenv("AFL_QEMU_COMPCOV")) { + +fprintf(stderr, "EEe\n"); + 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 |