NativeThreadNetBSD.h revision 360784 
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 "Plugins/Process/NetBSD/NativeRegisterContextNetBSD.h"
15
16#include <csignal>
17#include <map>
18#include <string>
19
20namespace lldb_private {
21namespace process_netbsd {
22
23class NativeProcessNetBSD;
24
25class NativeThreadNetBSD : public NativeThreadProtocol {
26  friend class NativeProcessNetBSD;
27
28public:
29  NativeThreadNetBSD(NativeProcessNetBSD &process, lldb::tid_t tid);
30
31  // NativeThreadProtocol Interface
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  NativeRegisterContextNetBSD &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
50private:
51  // Interface for friend classes
52
53  Status Resume();
54  Status SingleStep();
55  Status Suspend();
56
57  void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
58  void SetStoppedByBreakpoint();
59  void SetStoppedByTrace();
60  void SetStoppedByExec();
61  void SetStoppedByWatchpoint(uint32_t wp_index);
62  void SetStoppedWithNoReason();
63  void SetStopped();
64  void SetRunning();
65  void SetStepping();
66
67  Status CopyWatchpointsFrom(NativeThreadNetBSD& source);
68
69  // Member Variables
70  lldb::StateType m_state;
71  ThreadStopInfo m_stop_info;
72  std::unique_ptr<NativeRegisterContextNetBSD> m_reg_context_up;
73  std::string m_stop_description;
74  using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
75  WatchpointIndexMap m_watchpoint_index_map;
76  WatchpointIndexMap m_hw_break_index_map;
77};
78
79typedef std::shared_ptr<NativeThreadNetBSD> NativeThreadNetBSDSP;
80} // namespace process_netbsd
81} // namespace lldb_private
82
83#endif // #ifndef liblldb_NativeThreadNetBSD_H_
84