1 //===-- NativeThreadNetBSD.h ---------------------------------- -*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef liblldb_NativeThreadNetBSD_H_
10 #define liblldb_NativeThreadNetBSD_H_
11 
12 #include "lldb/Host/common/NativeThreadProtocol.h"
13 
14 #include <csignal>
15 #include <map>
16 #include <string>
17 
18 namespace lldb_private {
19 namespace process_netbsd {
20 
21 class NativeProcessNetBSD;
22 
23 class NativeThreadNetBSD : public NativeThreadProtocol {
24   friend class NativeProcessNetBSD;
25 
26 public:
27   NativeThreadNetBSD(NativeProcessNetBSD &process, lldb::tid_t tid);
28 
29   // ---------------------------------------------------------------------
30   // NativeThreadProtocol Interface
31   // ---------------------------------------------------------------------
32   std::string GetName() override;
33 
34   lldb::StateType GetState() override;
35 
36   bool GetStopReason(ThreadStopInfo &stop_info,
37                      std::string &description) override;
38 
39   NativeRegisterContext& GetRegisterContext() override;
40 
41   Status SetWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags,
42                        bool hardware) override;
43 
44   Status RemoveWatchpoint(lldb::addr_t addr) override;
45 
46   Status SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override;
47 
48   Status RemoveHardwareBreakpoint(lldb::addr_t addr) override;
49 
50 private:
51   // ---------------------------------------------------------------------
52   // Interface for friend classes
53   // ---------------------------------------------------------------------
54 
55   void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
56   void SetStoppedByBreakpoint();
57   void SetStoppedByTrace();
58   void SetStoppedByExec();
59   void SetStoppedByWatchpoint(uint32_t wp_index);
60   void SetStopped();
61   void SetRunning();
62   void SetStepping();
63 
64   // ---------------------------------------------------------------------
65   // Member Variables
66   // ---------------------------------------------------------------------
67   lldb::StateType m_state;
68   ThreadStopInfo m_stop_info;
69   std::unique_ptr<NativeRegisterContext> m_reg_context_up;
70   std::string m_stop_description;
71   using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
72   WatchpointIndexMap m_watchpoint_index_map;
73   WatchpointIndexMap m_hw_break_index_map;
74 };
75 
76 typedef std::shared_ptr<NativeThreadNetBSD> NativeThreadNetBSDSP;
77 } // namespace process_netbsd
78 } // namespace lldb_private
79 
80 #endif // #ifndef liblldb_NativeThreadNetBSD_H_
81