1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/fuzzer/FuzzerTracePC.h b/compiler-rt/lib/fuzzer/FuzzerTracePC.h
index d68da76b2e2..e1db5127cf4 100644
--- a/compiler-rt/lib/fuzzer/FuzzerTracePC.h
+++ b/compiler-rt/lib/fuzzer/FuzzerTracePC.h
@@ -131,6 +131,9 @@ class TracePC {
       CB(PC);
   }
 
+  void SetFocusFunction(const std::string &FuncName);
+  bool ObservedFocusFunction();
+
 private:
   bool UseCounters = false;
   bool UseValueProfile = false;
@@ -163,6 +166,9 @@ private:
   Set<uintptr_t> ObservedPCs;
   Set<uintptr_t> ObservedFuncs;
 
+  std::pair<size_t, size_t> FocusFunction = {-1, -1};  // Module and PC IDs.
+
+
   ValueBitMap ValueProfileMap;
   uintptr_t InitialStack;
 };