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restored big-endian compcov in unicorn

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This commit is contained in:
Andrea Fioraldi 2019-11-04 15:46:49 +01:00
parent fbeba570e6
commit adae07d013
1 changed files with 73 additions and 1 deletions
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74
unicorn_mode/patches/afl-unicorn-tcg-runtime-inl.h
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@ -33,6 +33,78 @@
#include "uc_priv.h" #include "uc_priv.h"
#include "afl-unicorn-common.h" #include "afl-unicorn-common.h"
void HELPER(afl_compcov_log_16)(void* uc_ptr, uint64_t cur_loc, uint64_t arg1,
uint64_t arg2) {
u8* afl_area_ptr = ((struct uc_struct*)uc_ptr)->afl_area_ptr;
if ((arg1 & 0xff) == (arg2 & 0xff)) { INC_AFL_AREA(cur_loc); }
}
void HELPER(afl_compcov_log_32)(void* uc_ptr, uint64_t cur_loc, uint64_t arg1,
uint64_t arg2) {
u8* afl_area_ptr = ((struct uc_struct*)uc_ptr)->afl_area_ptr;
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); }
}
}
}
void HELPER(afl_compcov_log_64)(void* uc_ptr, uint64_t cur_loc, uint64_t arg1,
uint64_t arg2) {
u8* afl_area_ptr = ((struct uc_struct*)uc_ptr)->afl_area_ptr;
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);
}
}
}
}
}
}
}
}
/* // Little endian CompCov
void HELPER(afl_compcov_log_16)(void* uc_ptr, uint64_t cur_loc, uint64_t arg1, void HELPER(afl_compcov_log_16)(void* uc_ptr, uint64_t cur_loc, uint64_t arg1,
uint64_t arg2) { uint64_t arg2) {
@ -99,4 +171,4 @@ void HELPER(afl_compcov_log_64)(void* uc_ptr, uint64_t cur_loc, uint64_t arg1,
} }
} }
*/