llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_suppressions.h

71 lines
1.9 KiB
C++

//===-- sanitizer_suppressions.h --------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Suppression parsing/matching code shared between TSan and LSan.
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_SUPPRESSIONS_H
#define SANITIZER_SUPPRESSIONS_H
#include "sanitizer_common.h"
#include "sanitizer_internal_defs.h"
namespace __sanitizer {
enum SuppressionType {
SuppressionNone,
SuppressionRace,
SuppressionMutex,
SuppressionThread,
SuppressionSignal,
SuppressionLeak,
SuppressionLib,
SuppressionDeadlock,
SuppressionVptrCheck,
SuppressionTypeCount
};
struct Suppression {
SuppressionType type;
char *templ;
unsigned hit_count;
uptr weight;
};
class SuppressionContext {
public:
void Parse(const char *str);
bool Match(const char* str, SuppressionType type, Suppression **s);
uptr SuppressionCount() const;
const Suppression *SuppressionAt(uptr i) const;
void GetMatched(InternalMmapVector<Suppression *> *matched);
// Create a SuppressionContext singleton if it hasn't been created earlier.
// Not thread safe. Must be called early during initialization (but after
// runtime flags are parsed).
static void InitIfNecessary();
// Returns a SuppressionContext singleton.
static SuppressionContext *Get();
private:
SuppressionContext() : suppressions_(1), can_parse_(true) {}
InternalMmapVector<Suppression> suppressions_;
bool can_parse_;
friend class SuppressionContextTest;
};
const char *SuppressionTypeString(SuppressionType t);
bool TemplateMatch(char *templ, const char *str);
} // namespace __sanitizer
#endif // SANITIZER_SUPPRESSIONS_H