diff options
author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2020-04-14 13:02:49 +0200 |
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committer | Andrea Fioraldi <andreafioraldi@gmail.com> | 2020-04-14 13:02:49 +0200 |
commit | 0d0338012beb320dcfcaa3d16ae78da47dd48b80 (patch) | |
tree | 7fbb788eaa6251d1b5575a49627eb266de086fdd /qemu_mode | |
parent | 92aaaef38126853f26e1be0e522a29c974e24bb5 (diff) | |
download | afl++-0d0338012beb320dcfcaa3d16ae78da47dd48b80.tar.gz |
one byte cmp in cmplog
Diffstat (limited to 'qemu_mode')
-rw-r--r-- | qemu_mode/patches/afl-qemu-cpu-translate-inl.h | 5 | ||||
-rw-r--r-- | qemu_mode/patches/afl-qemu-tcg-runtime-inl.h | 27 | ||||
-rw-r--r-- | qemu_mode/patches/tcg-runtime-head.diff | 3 |
3 files changed, 31 insertions, 4 deletions
diff --git a/qemu_mode/patches/afl-qemu-cpu-translate-inl.h b/qemu_mode/patches/afl-qemu-cpu-translate-inl.h index 72353967..1abec477 100644 --- a/qemu_mode/patches/afl-qemu-cpu-translate-inl.h +++ b/qemu_mode/patches/afl-qemu-cpu-translate-inl.h @@ -53,11 +53,12 @@ static void afl_gen_compcov(target_ulong cur_loc, TCGv arg1, TCGv arg2, TCGv cur_loc_v = tcg_const_tl(cur_loc); - switch (ot) { + switch (ot & MO_SIZE) { case MO_64: gen_helper_afl_cmplog_64(cur_loc_v, arg1, arg2); break; case MO_32: gen_helper_afl_cmplog_32(cur_loc_v, arg1, arg2); break; case MO_16: gen_helper_afl_cmplog_16(cur_loc_v, arg1, arg2); break; + case MO_8: gen_helper_afl_cmplog_8(cur_loc_v, arg1, arg2); break; default: break; } @@ -75,7 +76,7 @@ static void afl_gen_compcov(target_ulong cur_loc, TCGv arg1, TCGv arg2, if (cur_loc >= afl_inst_rms) return; - switch (ot) { + switch (ot & MO_SIZE) { case MO_64: gen_helper_afl_compcov_64(cur_loc_v, arg1, arg2); break; case MO_32: gen_helper_afl_compcov_32(cur_loc_v, arg1, arg2); break; diff --git a/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h b/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h index 1526f09c..549b6bba 100644 --- a/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h +++ b/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h @@ -107,18 +107,39 @@ void HELPER(afl_compcov_64)(target_ulong cur_loc, target_ulong arg1, } +void HELPER(afl_cmplog_8)(target_ulong cur_loc, target_ulong arg1, + target_ulong arg2) { + + register uintptr_t k = (uintptr_t)cur_loc; + + __afl_cmp_map->headers[k].type = CMP_TYPE_INS; + + u32 hits = __afl_cmp_map->headers[k].hits; + __afl_cmp_map->headers[k].hits = hits + 1; + // if (!__afl_cmp_map->headers[k].cnt) + // __afl_cmp_map->headers[k].cnt = __afl_cmp_counter++; + + __afl_cmp_map->headers[k].shape = 0; + + hits &= CMP_MAP_H - 1; + __afl_cmp_map->log[k][hits].v0 = arg1; + __afl_cmp_map->log[k][hits].v1 = arg2; + +} + void HELPER(afl_cmplog_16)(target_ulong cur_loc, target_ulong arg1, target_ulong arg2) { register uintptr_t k = (uintptr_t)cur_loc; + __afl_cmp_map->headers[k].type = CMP_TYPE_INS; + u32 hits = __afl_cmp_map->headers[k].hits; __afl_cmp_map->headers[k].hits = hits + 1; // if (!__afl_cmp_map->headers[k].cnt) // __afl_cmp_map->headers[k].cnt = __afl_cmp_counter++; __afl_cmp_map->headers[k].shape = 1; - //__afl_cmp_map->headers[k].type = CMP_TYPE_INS; hits &= CMP_MAP_H - 1; __afl_cmp_map->log[k][hits].v0 = arg1; @@ -131,6 +152,8 @@ void HELPER(afl_cmplog_32)(target_ulong cur_loc, target_ulong arg1, register uintptr_t k = (uintptr_t)cur_loc; + __afl_cmp_map->headers[k].type = CMP_TYPE_INS; + u32 hits = __afl_cmp_map->headers[k].hits; __afl_cmp_map->headers[k].hits = hits + 1; @@ -147,6 +170,8 @@ void HELPER(afl_cmplog_64)(target_ulong cur_loc, target_ulong arg1, register uintptr_t k = (uintptr_t)cur_loc; + __afl_cmp_map->headers[k].type = CMP_TYPE_INS; + u32 hits = __afl_cmp_map->headers[k].hits; __afl_cmp_map->headers[k].hits = hits + 1; diff --git a/qemu_mode/patches/tcg-runtime-head.diff b/qemu_mode/patches/tcg-runtime-head.diff index 626c67ef..f250686e 100644 --- a/qemu_mode/patches/tcg-runtime-head.diff +++ b/qemu_mode/patches/tcg-runtime-head.diff @@ -2,7 +2,7 @@ diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h index 1bd39d13..81ef3973 100644 --- a/accel/tcg/tcg-runtime.h +++ b/accel/tcg/tcg-runtime.h -@@ -260,3 +260,13 @@ DEF_HELPER_FLAGS_4(gvec_leu8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +@@ -260,3 +260,14 @@ DEF_HELPER_FLAGS_4(gvec_leu8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(gvec_leu16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(gvec_leu32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(gvec_leu64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) @@ -12,6 +12,7 @@ index 1bd39d13..81ef3973 100644 +DEF_HELPER_FLAGS_3(afl_compcov_16, TCG_CALL_NO_RWG, void, tl, tl, tl) +DEF_HELPER_FLAGS_3(afl_compcov_32, TCG_CALL_NO_RWG, void, tl, tl, tl) +DEF_HELPER_FLAGS_3(afl_compcov_64, TCG_CALL_NO_RWG, void, tl, tl, tl) ++DEF_HELPER_FLAGS_3(afl_cmplog_8, TCG_CALL_NO_RWG, void, tl, tl, tl) +DEF_HELPER_FLAGS_3(afl_cmplog_16, TCG_CALL_NO_RWG, void, tl, tl, tl) +DEF_HELPER_FLAGS_3(afl_cmplog_32, TCG_CALL_NO_RWG, void, tl, tl, tl) +DEF_HELPER_FLAGS_3(afl_cmplog_64, TCG_CALL_NO_RWG, void, tl, tl, tl) |