[sanitizer-coverage/libFuzzer] make the guards for trace-pc 32-bit; create one array of guards per function, instead of one guard per BB. reorganize the code so that trace-pc-guard does not create unneeded globals
llvm-svn: 282735
diff --git a/llvm/lib/Fuzzer/FuzzerTracePC.h b/llvm/lib/Fuzzer/FuzzerTracePC.h
index 0f2b6a8..3f4c783 100644
--- a/llvm/lib/Fuzzer/FuzzerTracePC.h
+++ b/llvm/lib/Fuzzer/FuzzerTracePC.h
@@ -19,8 +19,8 @@
class TracePC {
public:
- void HandleTrace(uintptr_t *guard, uintptr_t PC);
- void HandleInit(uintptr_t *start, uintptr_t *stop);
+ void HandleTrace(uint32_t *guard, uintptr_t PC);
+ void HandleInit(uint32_t *start, uint32_t *stop);
void HandleCallerCallee(uintptr_t Caller, uintptr_t Callee);
void HandleValueProfile(size_t Value) { ValueProfileMap.AddValue(Value); }
size_t GetTotalPCCoverage() { return TotalPCCoverage; }
@@ -71,7 +71,7 @@
}
struct Module {
- uintptr_t *Start, *Stop;
+ uint32_t *Start, *Stop;
};
Module Modules[4096];