1 files changed, 113 insertions, 0 deletions
diff --git a/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h b/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h
new file mode 100644
index 0000000000000..6d3c253a519e6
--- /dev/null
+++ b/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h
@@ -0,0 +1,113 @@
+//===-- FreeBSDThread.h -----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_FreeBSDThread_H_
+#define liblldb_FreeBSDThread_H_
+
+#include <memory>
+#include <string>
+
+#include "RegisterContextPOSIX.h"
+#include "lldb/Target/Thread.h"
+
+class ProcessMessage;
+class ProcessMonitor;
+class POSIXBreakpointProtocol;
+
+// @class FreeBSDThread
+// Abstraction of a FreeBSD thread.
+class FreeBSDThread : public lldb_private::Thread {
+public:
+  // Constructors and destructors
+  FreeBSDThread(lldb_private::Process &process, lldb::tid_t tid);
+
+  virtual ~FreeBSDThread();
+
+  // POSIXThread
+  void RefreshStateAfterStop() override;
+
+  // This notifies the thread when a private stop occurs.
+  void DidStop() override;
+
+  const char *GetInfo() override;
+
+  void SetName(const char *name) override;
+
+  const char *GetName() override;
+
+  lldb::RegisterContextSP GetRegisterContext() override;
+
+  lldb::RegisterContextSP
+  CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
+
+  lldb::addr_t GetThreadPointer() override;
+
+  // These functions provide a mapping from the register offset
+  // back to the register index or name for use in debugging or log
+  // output.
+
+  unsigned GetRegisterIndexFromOffset(unsigned offset);
+
+  const char *GetRegisterName(unsigned reg);
+
+  const char *GetRegisterNameFromOffset(unsigned offset);
+
+  // These methods form a specialized interface to POSIX threads.
+  //
+  bool Resume();
+
+  void Notify(const ProcessMessage &message);
+
+  // These methods provide an interface to watchpoints
+  //
+  bool EnableHardwareWatchpoint(lldb_private::Watchpoint *wp);
+
+  bool DisableHardwareWatchpoint(lldb_private::Watchpoint *wp);
+
+  uint32_t NumSupportedHardwareWatchpoints();
+
+  uint32_t FindVacantWatchpointIndex();
+
+protected:
+  POSIXBreakpointProtocol *GetPOSIXBreakpointProtocol() {
+    if (!m_reg_context_sp)
+      m_reg_context_sp = GetRegisterContext();
+    return m_posix_thread;
+  }
+
+  std::unique_ptr<lldb_private::StackFrame> m_frame_up;
+
+  lldb::BreakpointSiteSP m_breakpoint;
+
+  bool m_thread_name_valid;
+  std::string m_thread_name;
+  POSIXBreakpointProtocol *m_posix_thread;
+
+  ProcessMonitor &GetMonitor();
+
+  bool CalculateStopInfo() override;
+
+  void BreakNotify(const ProcessMessage &message);
+  void WatchNotify(const ProcessMessage &message);
+  virtual void TraceNotify(const ProcessMessage &message);
+  void LimboNotify(const ProcessMessage &message);
+  void SignalNotify(const ProcessMessage &message);
+  void SignalDeliveredNotify(const ProcessMessage &message);
+  void CrashNotify(const ProcessMessage &message);
+  void ExitNotify(const ProcessMessage &message);
+  void ExecNotify(const ProcessMessage &message);
+
+  lldb_private::Unwind *GetUnwinder() override;
+
+  // FreeBSDThread internal API.
+
+  // POSIXThread override
+  virtual void WillResume(lldb::StateType resume_state) override;
+};
+
+#endif // #ifndef liblldb_FreeBSDThread_H_