// Copyright 2018 The Crashpad Authors. All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #ifndef CRASHPAD_SNAPSHOT_MINIDUMP_THREAD_SNAPSHOT_MINIDUMP_H_ #define CRASHPAD_SNAPSHOT_MINIDUMP_THREAD_SNAPSHOT_MINIDUMP_H_ #include #include #include "minidump/minidump_extensions.h" #include "snapshot/cpu_context.h" #include "snapshot/minidump/memory_snapshot_minidump.h" #include "snapshot/minidump/minidump_context_converter.h" #include "snapshot/thread_snapshot.h" #include "util/file/file_reader.h" #include "util/misc/initialization_state_dcheck.h" namespace crashpad { namespace internal { //! \brief A ThreadSnapshot based on a thread in a minidump file. class ThreadSnapshotMinidump : public ThreadSnapshot { public: ThreadSnapshotMinidump(); ThreadSnapshotMinidump(const ThreadSnapshotMinidump&) = delete; ThreadSnapshotMinidump& operator=(const ThreadSnapshotMinidump&) = delete; ~ThreadSnapshotMinidump() override; //! \brief Initializes the object. //! //! \param[in] file_reader A file reader corresponding to a minidump file. //! The file reader must support seeking. //! \param[in] minidump_thread_rva The file offset in \a file_reader at which //! the thread’s MINIDUMP_THREAD structure is located. //! \param[in] arch The architecture of the system this thread is running on. //! Used to decode CPU Context. //! \param[in] thread_names Map from thread ID to thread name previously read //! from the minidump's MINIDUMP_THREAD_NAME_LIST. //! //! \return `true` if the snapshot could be created, `false` otherwise with //! an appropriate message logged. bool Initialize(FileReaderInterface* file_reader, RVA minidump_thread_rva, CPUArchitecture arch, const std::map& thread_names); const CPUContext* Context() const override; const MemorySnapshot* Stack() const override; uint64_t ThreadID() const override; std::string ThreadName() const override; int SuspendCount() const override; int Priority() const override; uint64_t ThreadSpecificDataAddress() const override; std::vector ExtraMemory() const override; private: //! \brief Initializes the CPU Context //! //! \param[in] minidump_context the raw bytes of the context data from the //! minidump file. //! //! \return `true` if the context could be decoded without error. bool InitializeContext(const std::vector& minidump_context); MINIDUMP_THREAD minidump_thread_; std::string thread_name_; MinidumpContextConverter context_; MemorySnapshotMinidump stack_; InitializationStateDcheck initialized_; }; } // namespace internal } // namespace crashpad #endif // CRASHPAD_SNAPSHOT_MINIDUMP_THREAD_SNAPSHOT_MINIDUMP_H_