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This commit is contained in:
Andrea Fioraldi
2019-09-02 18:49:43 +02:00
parent 2ae4ca91b4
commit b24639d011
57 changed files with 8674 additions and 7125 deletions
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108
qemu_mode/patches/afl-qemu-cpu-translate-inl.h
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@ -37,9 +37,9 @@
/* Declared in afl-qemu-cpu-inl.h */
extern unsigned char *afl_area_ptr;
extern unsigned int afl_inst_rms;
extern abi_ulong afl_start_code, afl_end_code;
extern u8 afl_compcov_level;
extern unsigned int afl_inst_rms;
extern abi_ulong afl_start_code, afl_end_code;
extern u8 afl_compcov_level;
void tcg_gen_afl_compcov_log_call(void *func, target_ulong cur_loc,
TCGv_i64 arg1, TCGv_i64 arg2);
@ -47,81 +47,93 @@ void tcg_gen_afl_compcov_log_call(void *func, target_ulong cur_loc,
static void afl_compcov_log_16(target_ulong cur_loc, target_ulong arg1,
target_ulong arg2) {
if ((arg1 & 0xff) == (arg2 & 0xff)) {
INC_AFL_AREA(cur_loc);
}
if ((arg1 & 0xff) == (arg2 & 0xff)) { INC_AFL_AREA(cur_loc); }
}
static void afl_compcov_log_32(target_ulong cur_loc, target_ulong arg1,
target_ulong arg2) {
if ((arg1 & 0xff) == (arg2 & 0xff)) {
INC_AFL_AREA(cur_loc);
if ((arg1 & 0xffff) == (arg2 & 0xffff)) {
INC_AFL_AREA(cur_loc +1);
if ((arg1 & 0xffffff) == (arg2 & 0xffffff)) {
INC_AFL_AREA(cur_loc +2);
}
INC_AFL_AREA(cur_loc + 1);
if ((arg1 & 0xffffff) == (arg2 & 0xffffff)) { INC_AFL_AREA(cur_loc + 2); }
}
}
}
static void afl_compcov_log_64(target_ulong cur_loc, target_ulong arg1,
target_ulong arg2) {
if ((arg1 & 0xff) == (arg2 & 0xff)) {
INC_AFL_AREA(cur_loc);
if ((arg1 & 0xffff) == (arg2 & 0xffff)) {
INC_AFL_AREA(cur_loc +1);
if ((arg1 & 0xffffff) == (arg2 & 0xffffff)) {
INC_AFL_AREA(cur_loc +2);
if ((arg1 & 0xffffffff) == (arg2 & 0xffffffff)) {
INC_AFL_AREA(cur_loc +3);
if ((arg1 & 0xffffffffff) == (arg2 & 0xffffffffff)) {
INC_AFL_AREA(cur_loc +4);
if ((arg1 & 0xffffffffffff) == (arg2 & 0xffffffffffff)) {
INC_AFL_AREA(cur_loc +5);
if ((arg1 & 0xffffffffffffff) == (arg2 & 0xffffffffffffff)) {
INC_AFL_AREA(cur_loc +6);
}
}
}
}
}
}
}
}
INC_AFL_AREA(cur_loc + 1);
if ((arg1 & 0xffffff) == (arg2 & 0xffffff)) {
INC_AFL_AREA(cur_loc + 2);
if ((arg1 & 0xffffffff) == (arg2 & 0xffffffff)) {
INC_AFL_AREA(cur_loc + 3);
if ((arg1 & 0xffffffffff) == (arg2 & 0xffffffffff)) {
INC_AFL_AREA(cur_loc + 4);
if ((arg1 & 0xffffffffffff) == (arg2 & 0xffffffffffff)) {
INC_AFL_AREA(cur_loc + 5);
if ((arg1 & 0xffffffffffffff) == (arg2 & 0xffffffffffffff)) {
INC_AFL_AREA(cur_loc + 6);
}
}
}
}
}
}
}
}
static void afl_gen_compcov(target_ulong cur_loc, TCGv_i64 arg1, TCGv_i64 arg2,
TCGMemOp ot, int is_imm) {
void *func;
if (!afl_compcov_level || cur_loc > afl_end_code || cur_loc < afl_start_code)
return;
if (!is_imm && afl_compcov_level < 2)
return;
if (!is_imm && afl_compcov_level < 2) return;
switch (ot) {
case MO_64:
func = &afl_compcov_log_64;
break;
case MO_32:
func = &afl_compcov_log_32;
break;
case MO_16:
func = &afl_compcov_log_16;
break;
default:
return;
case MO_64: func = &afl_compcov_log_64; break;
case MO_32: func = &afl_compcov_log_32; break;
case MO_16: func = &afl_compcov_log_16; break;
default: return;
}
cur_loc = (cur_loc >> 4) ^ (cur_loc << 8);
cur_loc = (cur_loc >> 4) ^ (cur_loc << 8);
cur_loc &= MAP_SIZE - 7;
if (cur_loc >= afl_inst_rms) return;
tcg_gen_afl_compcov_log_call(func, cur_loc, arg1, arg2);
}