101 lines
3.9 KiB
C++
101 lines
3.9 KiB
C++
//===-- DebuggerThread.h ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_Plugins_Process_Windows_DebuggerThread_H_
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#define liblldb_Plugins_Process_Windows_DebuggerThread_H_
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#include <atomic>
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#include <memory>
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#include "ForwardDecl.h"
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#include "lldb/Host/HostProcess.h"
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#include "lldb/Host/HostThread.h"
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#include "lldb/Host/Predicate.h"
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#include "lldb/Host/windows/windows.h"
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namespace lldb_private
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{
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//----------------------------------------------------------------------
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// DebuggerThread
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//
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// Debugs a single process, notifying listeners as appropriate when interesting
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// things occur.
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//----------------------------------------------------------------------
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class DebuggerThread : public std::enable_shared_from_this<DebuggerThread>
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{
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public:
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DebuggerThread(DebugDelegateSP debug_delegate);
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virtual ~DebuggerThread();
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Error DebugLaunch(const ProcessLaunchInfo &launch_info);
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Error DebugAttach(lldb::pid_t pid, const ProcessAttachInfo &attach_info);
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HostProcess
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GetProcess() const
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{
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return m_process;
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}
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HostThread
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GetMainThread() const
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{
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return m_main_thread;
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}
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std::weak_ptr<ExceptionRecord>
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GetActiveException()
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{
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return m_active_exception;
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}
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Error StopDebugging(bool terminate);
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void ContinueAsyncException(ExceptionResult result);
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private:
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void FreeProcessHandles();
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void DebugLoop();
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ExceptionResult HandleExceptionEvent(const EXCEPTION_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleCreateThreadEvent(const CREATE_THREAD_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleCreateProcessEvent(const CREATE_PROCESS_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleExitThreadEvent(const EXIT_THREAD_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleExitProcessEvent(const EXIT_PROCESS_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleLoadDllEvent(const LOAD_DLL_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleUnloadDllEvent(const UNLOAD_DLL_DEBUG_INFO &info, DWORD thread_id);
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DWORD HandleODSEvent(const OUTPUT_DEBUG_STRING_INFO &info, DWORD thread_id);
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DWORD HandleRipEvent(const RIP_INFO &info, DWORD thread_id);
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DebugDelegateSP m_debug_delegate;
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HostProcess m_process; // The process being debugged.
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HostThread m_main_thread; // The main thread of the inferior.
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HANDLE m_image_file; // The image file of the process being debugged.
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ExceptionRecordSP m_active_exception; // The current exception waiting to be handled
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Predicate<ExceptionResult> m_exception_pred; // A predicate which gets signalled when an exception
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// is finished processing and the debug loop can be
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// continued.
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HANDLE m_debugging_ended_event; // An event which gets signalled by the debugger thread when it
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// exits the debugger loop and is detached from the inferior.
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std::atomic<DWORD> m_pid_to_detach; // Signals the loop to detach from the process (specified by pid).
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std::atomic<bool> m_is_shutting_down; // Signals the debug loop to stop processing certain types of
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// events that block shutdown.
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bool m_detached; // Indicates we've detached from the inferior process and the debug loop can exit.
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static lldb::thread_result_t DebuggerThreadLaunchRoutine(void *data);
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lldb::thread_result_t DebuggerThreadLaunchRoutine(const ProcessLaunchInfo &launch_info);
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static lldb::thread_result_t DebuggerThreadAttachRoutine(void *data);
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lldb::thread_result_t DebuggerThreadAttachRoutine(lldb::pid_t pid, const ProcessAttachInfo &launch_info);
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};
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}
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#endif
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