1*3cab2bb3Spatrick //===-- sanitizer_suppressions.h --------------------------------*- C++ -*-===// 2*3cab2bb3Spatrick // 3*3cab2bb3Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*3cab2bb3Spatrick // See https://llvm.org/LICENSE.txt for license information. 5*3cab2bb3Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*3cab2bb3Spatrick // 7*3cab2bb3Spatrick //===----------------------------------------------------------------------===// 8*3cab2bb3Spatrick // 9*3cab2bb3Spatrick // Suppression parsing/matching code. 10*3cab2bb3Spatrick // 11*3cab2bb3Spatrick //===----------------------------------------------------------------------===// 12*3cab2bb3Spatrick #ifndef SANITIZER_SUPPRESSIONS_H 13*3cab2bb3Spatrick #define SANITIZER_SUPPRESSIONS_H 14*3cab2bb3Spatrick 15*3cab2bb3Spatrick #include "sanitizer_common.h" 16*3cab2bb3Spatrick #include "sanitizer_atomic.h" 17*3cab2bb3Spatrick #include "sanitizer_internal_defs.h" 18*3cab2bb3Spatrick 19*3cab2bb3Spatrick namespace __sanitizer { 20*3cab2bb3Spatrick 21*3cab2bb3Spatrick struct Suppression { SuppressionSuppression22*3cab2bb3Spatrick Suppression() { internal_memset(this, 0, sizeof(*this)); } 23*3cab2bb3Spatrick const char *type; 24*3cab2bb3Spatrick char *templ; 25*3cab2bb3Spatrick atomic_uint32_t hit_count; 26*3cab2bb3Spatrick uptr weight; 27*3cab2bb3Spatrick }; 28*3cab2bb3Spatrick 29*3cab2bb3Spatrick class SuppressionContext { 30*3cab2bb3Spatrick public: 31*3cab2bb3Spatrick // Create new SuppressionContext capable of parsing given suppression types. 32*3cab2bb3Spatrick SuppressionContext(const char *supprression_types[], 33*3cab2bb3Spatrick int suppression_types_num); 34*3cab2bb3Spatrick 35*3cab2bb3Spatrick void ParseFromFile(const char *filename); 36*3cab2bb3Spatrick void Parse(const char *str); 37*3cab2bb3Spatrick 38*3cab2bb3Spatrick bool Match(const char *str, const char *type, Suppression **s); 39*3cab2bb3Spatrick uptr SuppressionCount() const; 40*3cab2bb3Spatrick bool HasSuppressionType(const char *type) const; 41*3cab2bb3Spatrick const Suppression *SuppressionAt(uptr i) const; 42*3cab2bb3Spatrick void GetMatched(InternalMmapVector<Suppression *> *matched); 43*3cab2bb3Spatrick 44*3cab2bb3Spatrick private: 45*3cab2bb3Spatrick static const int kMaxSuppressionTypes = 64; 46*3cab2bb3Spatrick const char **const suppression_types_; 47*3cab2bb3Spatrick const int suppression_types_num_; 48*3cab2bb3Spatrick 49*3cab2bb3Spatrick InternalMmapVector<Suppression> suppressions_; 50*3cab2bb3Spatrick bool has_suppression_type_[kMaxSuppressionTypes]; 51*3cab2bb3Spatrick bool can_parse_; 52*3cab2bb3Spatrick }; 53*3cab2bb3Spatrick 54*3cab2bb3Spatrick } // namespace __sanitizer 55*3cab2bb3Spatrick 56*3cab2bb3Spatrick #endif // SANITIZER_SUPPRESSIONS_H 57