From 94548d228444f5f4486bea9253c39900ea27a505 Mon Sep 17 00:00:00 2001 From: Andrea Fioraldi Date: Fri, 25 Oct 2019 20:12:24 +0200 Subject: float compcov readme --- qemu_mode/README.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'qemu_mode') diff --git a/qemu_mode/README.md b/qemu_mode/README.md index a85407e4..c88c1e41 100644 --- a/qemu_mode/README.md +++ b/qemu_mode/README.md @@ -100,7 +100,11 @@ afl-fuzz). AFL_COMPCOV_LEVEL=1 is to instrument comparisons with only immediate values / read-only memory. AFL_COMPCOV_LEVEL=2 instruments all comparison instructions and memory comparison functions when libcompcov -is preloaded. Comparison instructions are currently instrumented only +is preloaded. +AFL_COMPCOV_LEVEL=3 has the same effects of AFL_COMPCOV_LEVEL=2 but enables also +the instrumentation of the floating-point comparisons on x86 and x86_64 (experimental). + +Integer comparison instructions are currently instrumented only on the x86, x86_64 and ARM targets. Highly recommended. -- cgit 1.4.1