/* Classify tuple counts. Instead of mapping to individual bits, as in
afl-fuzz.c, we map to more user-friendly numbers between 1 and 8. */
#define AREP4(_sym) (_sym), (_sym), (_sym), (_sym)
#define AREP8(_sym) AREP4(_sym), AREP4(_sym)
#define AREP16(_sym) AREP8(_sym), AREP8(_sym)
#define AREP32(_sym) AREP16(_sym), AREP16(_sym)
#define AREP64(_sym) AREP32(_sym), AREP32(_sym)
#define AREP128(_sym) AREP64(_sym), AREP64(_sym)
static u8 count_class_lookup[256] = {
/* 0 - 3: 4 */ 0, 1, 2, 3,
/* 4 - 7: +4 */ AREP4(4),
/* 8 - 15: +8 */ AREP8(5),
/* 16 - 31: +16 */ AREP16(6),
/* 32 - 127: +96 */ AREP64(7), AREP32(7),
/* 128+: +128 */ AREP128(8)
};
static void classify_counts(u8* mem) {
u32 i = MAP_SIZE;
if (edges_only) {
while (i--) {
if (*mem) *mem = 1;
mem++;
}
/* Classify tuple counts. This is a slow & naive version, but good enough here. */
#define AREP4(_sym) (_sym), (_sym), (_sym), (_sym)
#define AREP8(_sym) AREP4(_sym), AREP4(_sym)
#define AREP16(_sym) AREP8(_sym), AREP8(_sym)
#define AREP32(_sym) AREP16(_sym), AREP16(_sym)
#define AREP64(_sym) AREP32(_sym), AREP32(_sym)
#define AREP128(_sym) AREP64(_sym), AREP64(_sym)
static const u8 count_class_lookup[256] = {
/* 0 - 3: 4 */ 0, 1, 2, 4,
/* 4 - 7: +4 */ AREP4(8),
/* 8 - 15: +8 */ AREP8(16),
/* 16 - 31: +16 */ AREP16(32),
/* 32 - 127: +96 */ AREP64(64), AREP32(64),
/* 128+: +128 */ AREP128(128)
};
static void classify_counts(u8* mem) {
u32 i = MAP_SIZE;
if (edges_only) {
while (i--) {
if (*mem) *mem = 1;
mem++;
}