Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

1 files changed, 100 insertions, 0 deletions

diff --git a/source/Plugins/Process/Windows/Live/DebuggerThread.h b/source/Plugins/Process/Windows/Live/DebuggerThread.h
new file mode 100644
index 0000000..6a26194
--- /dev/null
+++ b/source/Plugins/Process/Windows/Live/DebuggerThread.h
@@ -0,0 +1,100 @@
+//===-- DebuggerThread.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_Plugins_Process_Windows_DebuggerThread_H_
+#define liblldb_Plugins_Process_Windows_DebuggerThread_H_
+
+#include <atomic>
+#include <memory>
+
+#include "ForwardDecl.h"
+#include "lldb/Host/HostProcess.h"
+#include "lldb/Host/HostThread.h"
+#include "lldb/Host/Predicate.h"
+#include "lldb/Host/windows/windows.h"
+
+namespace lldb_private
+{
+
+//----------------------------------------------------------------------
+// DebuggerThread
+//
+// Debugs a single process, notifying listeners as appropriate when interesting
+// things occur.
+//----------------------------------------------------------------------
+class DebuggerThread : public std::enable_shared_from_this<DebuggerThread>
+{
+  public:
+    DebuggerThread(DebugDelegateSP debug_delegate);
+    virtual ~DebuggerThread();
+
+    Error DebugLaunch(const ProcessLaunchInfo &launch_info);
+    Error DebugAttach(lldb::pid_t pid, const ProcessAttachInfo &attach_info);
+
+    HostProcess
+    GetProcess() const
+    {
+        return m_process;
+    }
+    HostThread
+    GetMainThread() const
+    {
+        return m_main_thread;
+    }
+    std::weak_ptr<ExceptionRecord>
+    GetActiveException()
+    {
+        return m_active_exception;
+    }
+
+    Error StopDebugging(bool terminate);
+
+    void ContinueAsyncException(ExceptionResult result);
+
+  private:
+    void FreeProcessHandles();
+    void DebugLoop();
+    ExceptionResult HandleExceptionEvent(const EXCEPTION_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleCreateThreadEvent(const CREATE_THREAD_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleCreateProcessEvent(const CREATE_PROCESS_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleExitThreadEvent(const EXIT_THREAD_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleExitProcessEvent(const EXIT_PROCESS_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleLoadDllEvent(const LOAD_DLL_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleUnloadDllEvent(const UNLOAD_DLL_DEBUG_INFO &info, DWORD thread_id);
+    DWORD HandleODSEvent(const OUTPUT_DEBUG_STRING_INFO &info, DWORD thread_id);
+    DWORD HandleRipEvent(const RIP_INFO &info, DWORD thread_id);
+
+    DebugDelegateSP m_debug_delegate;
+
+    HostProcess m_process;    // The process being debugged.
+    HostThread m_main_thread; // The main thread of the inferior.
+    HANDLE m_image_file;      // The image file of the process being debugged.
+
+    ExceptionRecordSP m_active_exception; // The current exception waiting to be handled
+
+    Predicate<ExceptionResult> m_exception_pred; // A predicate which gets signalled when an exception
+                                                 // is finished processing and the debug loop can be
+                                                 // continued.
+
+    HANDLE m_debugging_ended_event; // An event which gets signalled by the debugger thread when it
+                                    // exits the debugger loop and is detached from the inferior.
+
+    std::atomic<DWORD> m_pid_to_detach;  // Signals the loop to detach from the process (specified by pid).
+    std::atomic<bool> m_is_shutting_down;   // Signals the debug loop to stop processing certain types of
+                                            // events that block shutdown.
+    bool m_detached;  // Indicates we've detached from the inferior process and the debug loop can exit.
+
+    static lldb::thread_result_t DebuggerThreadLaunchRoutine(void *data);
+    lldb::thread_result_t DebuggerThreadLaunchRoutine(const ProcessLaunchInfo &launch_info);
+    static lldb::thread_result_t DebuggerThreadAttachRoutine(void *data);
+    lldb::thread_result_t DebuggerThreadAttachRoutine(lldb::pid_t pid, const ProcessAttachInfo &launch_info);
+};
+}
+
+#endif