1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_ETM_MAPPING_VERSION_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_ETM_MAPPING_VERSION_H_ 19 20 #include <cstddef> 21 #include <cstdint> 22 23 #include "perfetto/trace_processor/trace_blob_view.h" 24 #include "src/trace_processor/importers/common/address_range.h" 25 #include "src/trace_processor/storage/trace_storage.h" 26 27 namespace perfetto::trace_processor::etm { 28 29 class MappingVersion { 30 public: 31 MappingVersion(MappingId id, 32 int64_t create_ts, 33 AddressRange range, 34 std::optional<TraceBlobView> content); 35 Contains(uint64_t address)36 bool Contains(uint64_t address) const { return range_.Contains(address); } Contains(const AddressRange & range)37 bool Contains(const AddressRange& range) const { 38 return range_.Contains(range); 39 } start()40 uint64_t start() const { return range_.start(); } end()41 uint64_t end() const { return range_.end(); } length()42 uint64_t length() const { return range_.length(); } create_ts()43 int64_t create_ts() const { return create_ts_; } id()44 MappingId id() const { return id_; } 45 // Returns a valid pointer if data is available or nullptr otherwise data()46 const uint8_t* data() const { 47 // We make sure in the constructor that if content_ length is 0 the pointer 48 // will be null. 49 return content_.data(); 50 } 51 52 MappingVersion SplitFront(uint64_t mid); 53 54 private: 55 MappingId id_; 56 int64_t create_ts_; 57 AddressRange range_; 58 // Content is either empty and points to nullptr, or has the same length as 59 // `range_`. This is CHECKED in the constructor. 60 TraceBlobView content_; 61 }; 62 63 } // namespace perfetto::trace_processor::etm 64 65 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_ETM_MAPPING_VERSION_H_ 66