zig/lib/tsan/sanitizer_common/sanitizer_suppressions.h
2020-12-24 01:18:47 -07:00

57 lines
1.7 KiB
C++

//===-- sanitizer_suppressions.h --------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Suppression parsing/matching code.
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_SUPPRESSIONS_H
#define SANITIZER_SUPPRESSIONS_H
#include "sanitizer_common.h"
#include "sanitizer_atomic.h"
#include "sanitizer_internal_defs.h"
namespace __sanitizer {
struct Suppression {
Suppression() { internal_memset(this, 0, sizeof(*this)); }
const char *type;
char *templ;
atomic_uint32_t hit_count;
uptr weight;
};
class SuppressionContext {
public:
// Create new SuppressionContext capable of parsing given suppression types.
SuppressionContext(const char *supprression_types[],
int suppression_types_num);
void ParseFromFile(const char *filename);
void Parse(const char *str);
bool Match(const char *str, const char *type, Suppression **s);
uptr SuppressionCount() const;
bool HasSuppressionType(const char *type) const;
const Suppression *SuppressionAt(uptr i) const;
void GetMatched(InternalMmapVector<Suppression *> *matched);
private:
static const int kMaxSuppressionTypes = 64;
const char **const suppression_types_;
const int suppression_types_num_;
InternalMmapVector<Suppression> suppressions_;
bool has_suppression_type_[kMaxSuppressionTypes];
bool can_parse_;
};
} // namespace __sanitizer
#endif // SANITIZER_SUPPRESSIONS_H