From 733c8e4c349562fd02d0238be486ecbdf0640fd0 Mon Sep 17 00:00:00 2001 From: Andrea Fioraldi Date: Wed, 28 Aug 2019 18:42:21 +0200 Subject: better neverzero with adc + neverzero for compcov --- qemu_mode/patches/afl-qemu-translate-inl.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'qemu_mode/patches/afl-qemu-translate-inl.h') diff --git a/qemu_mode/patches/afl-qemu-translate-inl.h b/qemu_mode/patches/afl-qemu-translate-inl.h index f82d1217..48d05179 100644 --- a/qemu_mode/patches/afl-qemu-translate-inl.h +++ b/qemu_mode/patches/afl-qemu-translate-inl.h @@ -51,8 +51,7 @@ void afl_maybe_log(target_ulong cur_loc) { #if (defined(__x86_64__) || defined(__i386__)) && defined(AFL_QEMU_NOT_ZERO) asm volatile ( "incb (%0, %1, 1)\n" - "seto %%al\n" - "addb %%al, (%0, %1, 1)\n" + "adc $0, (%0, %1, 1)\n" : /* no out */ : "r" (afl_area_ptr), "r" (afl_idx) : "memory", "eax" -- cgit 1.4.1