1 files changed, 83 insertions, 0 deletions

diff --git a/contrib/llvm-project/lldb/source/Plugins/Process/FreeBSD/NativeThreadFreeBSD.h b/contrib/llvm-project/lldb/source/Plugins/Process/FreeBSD/NativeThreadFreeBSD.h
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index 000000000000..249d2486b4f7
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+++ b/contrib/llvm-project/lldb/source/Plugins/Process/FreeBSD/NativeThreadFreeBSD.h
@@ -0,0 +1,83 @@
+//===-- NativeThreadFreeBSD.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_NativeThreadFreeBSD_H_
+#define liblldb_NativeThreadFreeBSD_H_
+
+#include "lldb/Host/common/NativeThreadProtocol.h"
+
+#include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
+
+#include <csignal>
+#include <map>
+#include <string>
+
+namespace lldb_private {
+namespace process_freebsd {
+
+class NativeProcessFreeBSD;
+
+class NativeThreadFreeBSD : public NativeThreadProtocol {
+  friend class NativeProcessFreeBSD;
+
+public:
+  NativeThreadFreeBSD(NativeProcessFreeBSD &process, lldb::tid_t tid);
+
+  // NativeThreadProtocol Interface
+  std::string GetName() override;
+
+  lldb::StateType GetState() override;
+
+  bool GetStopReason(ThreadStopInfo &stop_info,
+                     std::string &description) override;
+
+  NativeRegisterContextFreeBSD &GetRegisterContext() override;
+
+  Status SetWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags,
+                       bool hardware) override;
+
+  Status RemoveWatchpoint(lldb::addr_t addr) override;
+
+  Status SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override;
+
+  Status RemoveHardwareBreakpoint(lldb::addr_t addr) override;
+
+private:
+  // Interface for friend classes
+
+  Status Resume();
+  Status SingleStep();
+  Status Suspend();
+
+  void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
+  void SetStoppedByBreakpoint();
+  void SetStoppedByTrace();
+  void SetStoppedByExec();
+  void SetStoppedByWatchpoint(uint32_t wp_index);
+  void SetStoppedWithNoReason();
+  void SetStopped();
+  void SetRunning();
+  void SetStepping();
+
+  llvm::Error CopyWatchpointsFrom(NativeThreadFreeBSD &source);
+
+  // Member Variables
+  lldb::StateType m_state;
+  ThreadStopInfo m_stop_info;
+  std::unique_ptr<NativeRegisterContextFreeBSD> m_reg_context_up;
+  std::string m_stop_description;
+  using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
+  WatchpointIndexMap m_watchpoint_index_map;
+  WatchpointIndexMap m_hw_break_index_map;
+};
+
+typedef std::shared_ptr<NativeThreadFreeBSD> NativeThreadFreeBSDSP;
+} // namespace process_freebsd
+} // namespace lldb_private
+
+#endif // #ifndef liblldb_NativeThreadFreeBSD_H_