93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
//===-- HistoryThread.h -----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYTHREAD_H
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#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYTHREAD_H
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#include <mutex>
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#include "lldb/Core/UserSettingsController.h"
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#include "lldb/Target/ExecutionContextScope.h"
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#include "lldb/Target/StackFrameList.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Utility/Broadcaster.h"
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#include "lldb/Utility/Event.h"
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#include "lldb/Utility/UserID.h"
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#include "lldb/lldb-private.h"
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namespace lldb_private {
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/// \class HistoryThread HistoryThread.h "HistoryThread.h"
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/// A thread object representing a backtrace from a previous point in the
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/// process execution
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///
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/// This subclass of Thread is used to provide a backtrace from earlier in
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/// process execution. It is given a backtrace list of pc addresses and it
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/// will create stack frames for them.
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class HistoryThread : public lldb_private::Thread {
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public:
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HistoryThread(lldb_private::Process &process, lldb::tid_t tid,
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std::vector<lldb::addr_t> pcs,
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bool pcs_are_call_addresses = false);
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~HistoryThread() override;
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lldb::RegisterContextSP GetRegisterContext() override;
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lldb::RegisterContextSP
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CreateRegisterContextForFrame(StackFrame *frame) override;
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void RefreshStateAfterStop() override {}
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bool CalculateStopInfo() override { return false; }
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void SetExtendedBacktraceToken(uint64_t token) override {
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m_extended_unwind_token = token;
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}
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uint64_t GetExtendedBacktraceToken() override {
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return m_extended_unwind_token;
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}
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const char *GetQueueName() override { return m_queue_name.c_str(); }
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void SetQueueName(const char *name) override { m_queue_name = name; }
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lldb::queue_id_t GetQueueID() override { return m_queue_id; }
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void SetQueueID(lldb::queue_id_t queue) override { m_queue_id = queue; }
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const char *GetThreadName() { return m_thread_name.c_str(); }
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uint32_t GetExtendedBacktraceOriginatingIndexID() override;
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void SetThreadName(const char *name) { m_thread_name = name; }
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const char *GetName() override { return m_thread_name.c_str(); }
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void SetName(const char *name) override { m_thread_name = name; }
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protected:
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virtual lldb::StackFrameListSP GetStackFrameList();
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mutable std::mutex m_framelist_mutex;
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lldb::StackFrameListSP m_framelist;
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std::vector<lldb::addr_t> m_pcs;
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uint64_t m_extended_unwind_token;
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std::string m_queue_name;
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std::string m_thread_name;
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lldb::tid_t m_originating_unique_thread_id;
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lldb::queue_id_t m_queue_id;
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};
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYTHREAD_H
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