diff options
Diffstat (limited to 'qemu_mode/patches/afl-qemu-cpu-translate-inl.h')
-rw-r--r-- | qemu_mode/patches/afl-qemu-cpu-translate-inl.h | 84 |
1 files changed, 48 insertions, 36 deletions
diff --git a/qemu_mode/patches/afl-qemu-cpu-translate-inl.h b/qemu_mode/patches/afl-qemu-cpu-translate-inl.h index 09ecb9d2..3d3c1b6b 100644 --- a/qemu_mode/patches/afl-qemu-cpu-translate-inl.h +++ b/qemu_mode/patches/afl-qemu-cpu-translate-inl.h @@ -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); + + INC_AFL_AREA(cur_loc + 1); if ((arg1 & 0xffffff) == (arg2 & 0xffffff)) { - INC_AFL_AREA(cur_loc +2); + + INC_AFL_AREA(cur_loc + 2); if ((arg1 & 0xffffffff) == (arg2 & 0xffffffff)) { - INC_AFL_AREA(cur_loc +3); + + INC_AFL_AREA(cur_loc + 3); if ((arg1 & 0xffffffffff) == (arg2 & 0xffffffffff)) { - INC_AFL_AREA(cur_loc +4); + + INC_AFL_AREA(cur_loc + 4); if ((arg1 & 0xffffffffffff) == (arg2 & 0xffffffffffff)) { - INC_AFL_AREA(cur_loc +5); + + INC_AFL_AREA(cur_loc + 5); if ((arg1 & 0xffffffffffffff) == (arg2 & 0xffffffffffffff)) { - INC_AFL_AREA(cur_loc +6); + + 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); + } + |