1061da546Spatrick //===-- HistoryThread.h -----------------------------------------*- C++ -*-===// 2061da546Spatrick // 3061da546Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4061da546Spatrick // See https://llvm.org/LICENSE.txt for license information. 5061da546Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6061da546Spatrick // 7061da546Spatrick //===----------------------------------------------------------------------===// 8061da546Spatrick 9*dda28197Spatrick #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYTHREAD_H 10*dda28197Spatrick #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYTHREAD_H 11061da546Spatrick 12061da546Spatrick #include <mutex> 13061da546Spatrick 14061da546Spatrick #include "lldb/Core/UserSettingsController.h" 15061da546Spatrick #include "lldb/Target/ExecutionContextScope.h" 16061da546Spatrick #include "lldb/Target/StackFrameList.h" 17061da546Spatrick #include "lldb/Target/Thread.h" 18061da546Spatrick #include "lldb/Utility/Broadcaster.h" 19061da546Spatrick #include "lldb/Utility/Event.h" 20061da546Spatrick #include "lldb/Utility/UserID.h" 21061da546Spatrick #include "lldb/lldb-private.h" 22061da546Spatrick 23061da546Spatrick namespace lldb_private { 24061da546Spatrick 25061da546Spatrick /// \class HistoryThread HistoryThread.h "HistoryThread.h" 26061da546Spatrick /// A thread object representing a backtrace from a previous point in the 27061da546Spatrick /// process execution 28061da546Spatrick /// 29061da546Spatrick /// This subclass of Thread is used to provide a backtrace from earlier in 30061da546Spatrick /// process execution. It is given a backtrace list of pc addresses and it 31061da546Spatrick /// will create stack frames for them. 32061da546Spatrick 33061da546Spatrick class HistoryThread : public lldb_private::Thread { 34061da546Spatrick public: 35061da546Spatrick HistoryThread(lldb_private::Process &process, lldb::tid_t tid, 36*dda28197Spatrick std::vector<lldb::addr_t> pcs, 37*dda28197Spatrick bool pcs_are_call_addresses = false); 38061da546Spatrick 39061da546Spatrick ~HistoryThread() override; 40061da546Spatrick 41061da546Spatrick lldb::RegisterContextSP GetRegisterContext() override; 42061da546Spatrick 43061da546Spatrick lldb::RegisterContextSP 44061da546Spatrick CreateRegisterContextForFrame(StackFrame *frame) override; 45061da546Spatrick RefreshStateAfterStop()46061da546Spatrick void RefreshStateAfterStop() override {} 47061da546Spatrick CalculateStopInfo()48061da546Spatrick bool CalculateStopInfo() override { return false; } 49061da546Spatrick SetExtendedBacktraceToken(uint64_t token)50061da546Spatrick void SetExtendedBacktraceToken(uint64_t token) override { 51061da546Spatrick m_extended_unwind_token = token; 52061da546Spatrick } 53061da546Spatrick GetExtendedBacktraceToken()54061da546Spatrick uint64_t GetExtendedBacktraceToken() override { 55061da546Spatrick return m_extended_unwind_token; 56061da546Spatrick } 57061da546Spatrick GetQueueName()58061da546Spatrick const char *GetQueueName() override { return m_queue_name.c_str(); } 59061da546Spatrick SetQueueName(const char * name)60061da546Spatrick void SetQueueName(const char *name) override { m_queue_name = name; } 61061da546Spatrick GetQueueID()62061da546Spatrick lldb::queue_id_t GetQueueID() override { return m_queue_id; } 63061da546Spatrick SetQueueID(lldb::queue_id_t queue)64061da546Spatrick void SetQueueID(lldb::queue_id_t queue) override { m_queue_id = queue; } 65061da546Spatrick GetThreadName()66061da546Spatrick const char *GetThreadName() { return m_thread_name.c_str(); } 67061da546Spatrick 68061da546Spatrick uint32_t GetExtendedBacktraceOriginatingIndexID() override; 69061da546Spatrick SetThreadName(const char * name)70061da546Spatrick void SetThreadName(const char *name) { m_thread_name = name; } 71061da546Spatrick GetName()72061da546Spatrick const char *GetName() override { return m_thread_name.c_str(); } 73061da546Spatrick SetName(const char * name)74061da546Spatrick void SetName(const char *name) override { m_thread_name = name; } 75061da546Spatrick 76061da546Spatrick protected: 77061da546Spatrick virtual lldb::StackFrameListSP GetStackFrameList(); 78061da546Spatrick 79061da546Spatrick mutable std::mutex m_framelist_mutex; 80061da546Spatrick lldb::StackFrameListSP m_framelist; 81061da546Spatrick std::vector<lldb::addr_t> m_pcs; 82061da546Spatrick 83061da546Spatrick uint64_t m_extended_unwind_token; 84061da546Spatrick std::string m_queue_name; 85061da546Spatrick std::string m_thread_name; 86061da546Spatrick lldb::tid_t m_originating_unique_thread_id; 87061da546Spatrick lldb::queue_id_t m_queue_id; 88061da546Spatrick }; 89061da546Spatrick 90061da546Spatrick } // namespace lldb_private 91061da546Spatrick 92*dda28197Spatrick #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYTHREAD_H 93