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[libFuzzer] more accurate logic for traces, 80-char fix

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246888 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2015-09-04 22:32:25 +00:00
parent cdd5f6d41a
commit 87e6608466
1 changed files with 5 additions and 6 deletions
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11
lib/Fuzzer/FuzzerTraceState.cpp
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@ -216,8 +216,8 @@ class TraceState {
dfsan_label L2);
void DFSanSwitchCallback(uint64_t PC, size_t ValSizeInBits, uint64_t Val,
size_t NumCases, uint64_t *Cases, dfsan_label L);
void TraceCmpCallback(uintptr_t PC, size_t CmpSize, size_t CmpType, uint64_t Arg1,
uint64_t Arg2);
void TraceCmpCallback(uintptr_t PC, size_t CmpSize, size_t CmpType,
uint64_t Arg1, uint64_t Arg2);
void TraceSwitchCallback(uintptr_t PC, size_t ValSizeInBits, uint64_t Val,
size_t NumCases, uint64_t *Cases);
@ -330,7 +330,7 @@ int TraceState::TryToAddDesiredData(uint64_t PresentData, uint64_t DesiredData,
int Res = 0;
const uint8_t *Beg = CurrentUnit.data();
const uint8_t *End = Beg + CurrentUnit.size();
for (const uint8_t *Cur = Beg; Cur < End; Cur += DataSize) {
for (const uint8_t *Cur = Beg; Cur < End; Cur++) {
Cur = (uint8_t *)memmem(Cur, End - Cur, &PresentData, DataSize);
if (!Cur)
break;
@ -340,14 +340,13 @@ int TraceState::TryToAddDesiredData(uint64_t PresentData, uint64_t DesiredData,
Mutations.push_back({Pos, DataSize, DesiredData});
Mutations.push_back({Pos, DataSize, DesiredData + 1});
Mutations.push_back({Pos, DataSize, DesiredData - 1});
Cur += DataSize;
Res++;
}
return Res;
}
void TraceState::TraceCmpCallback(uintptr_t PC, size_t CmpSize, size_t CmpType, uint64_t Arg1,
uint64_t Arg2) {
void TraceState::TraceCmpCallback(uintptr_t PC, size_t CmpSize, size_t CmpType,
uint64_t Arg1, uint64_t Arg2) {
if (!RecordingTraces) return;
int Added = 0;
CmpSitePassport *CSP = CSPTable.GetPassport(PC);