stronger afl-fuzz performance compilation
MODIFY
Makefile
Makefile
@@ -32,8 +32,24 @@ PROGS = afl-gcc afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze
SH_PROGS = afl-plot afl-cmin afl-whatsup afl-system-config
MANPAGES=$(foreach p, $(PROGS) $(SH_PROGS), $(p).8)
-CFLAGS ?= -O3 -funroll-loops
-CFLAGS += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -I include/ \
+ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -march=native -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -march=native
+endif
+
+ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -flto=full -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -flto=full
+else
+ ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -flto=thin -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -flto=thin
+ else
+ ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -flto -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -flto
+ endif
+ endif
+endif
+
+CFLAGS ?= -funroll-loops -Ofast $(CFLAGS_PERFORMANCE)
+CFLAGS += -Wall -g -Wno-pointer-sign -I include/ \
-DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \
-DDOC_PATH=\"$(DOC_PATH)\" -Wno-unused-function

MODIFY
docs/ChangeLog
docs/ChangeLog
@@ -19,6 +19,7 @@ Version ++2.60d (develop):
- afl-fuzz:
- now prints the real python version support compiled in
+ - set stronger performance compile options and little tweaks
- afl-clang-fast now shows in the help output for which llvm version it
was compiled for
- added blacklisted function check in llvm_mode

MODIFY
src/afl-fuzz-bitmap.c
src/afl-fuzz-bitmap.c
@@ -524,7 +524,7 @@ u8 save_if_interesting(char** argv, void* mem, u32 len, u8 fault) {
struct queue_entry* q = queue;
while (q) {
- if (q->exec_cksum == cksum) q->n_fuzz = q->n_fuzz + 1;
+ if (q->exec_cksum == cksum) { q->n_fuzz = q->n_fuzz + 1; break ; }
q = q->next;

stronger afl-fuzz performance compilation