[llvm] r246888 - [libFuzzer] more accurate logic for traces, 80-char fix
Kostya Serebryany via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 4 15:32:26 PDT 2015
Author: kcc
Date: Fri Sep 4 17:32:25 2015
New Revision: 246888
URL: http://llvm.org/viewvc/llvm-project?rev=246888&view=rev
Log:
[libFuzzer] more accurate logic for traces, 80-char fix
Modified:
llvm/trunk/lib/Fuzzer/FuzzerTraceState.cpp
Modified: llvm/trunk/lib/Fuzzer/FuzzerTraceState.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerTraceState.cpp?rev=246888&r1=246887&r2=246888&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerTraceState.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerTraceState.cpp Fri Sep 4 17:32:25 2015
@@ -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(uint
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(uint
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);
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