1//===-- NativeThreadFreeBSD.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_NativeThreadFreeBSD_H_
10#define liblldb_NativeThreadFreeBSD_H_
11
12#include "lldb/Host/common/NativeThreadProtocol.h"
13
14#include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
15
16#include <csignal>
17#include <map>
18#include <string>
19
20namespace lldb_private {
21namespace process_freebsd {
22
23class NativeProcessFreeBSD;
24
25class NativeThreadFreeBSD : public NativeThreadProtocol {
26 friend class NativeProcessFreeBSD;
27
28public:
29 NativeThreadFreeBSD(NativeProcessFreeBSD &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 NativeRegisterContextFreeBSD &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 NativeProcessFreeBSD &GetProcess();
51
52 llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>
53 GetSiginfo() const override;
54
55private:
56 // Interface for friend classes
57
58 Status Resume();
59 Status SingleStep();
60 Status Suspend();
61
62 void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
63 void SetStoppedByBreakpoint();
64 void SetStoppedByTrace();
65 void SetStoppedByExec();
66 void SetStoppedByWatchpoint(uint32_t wp_index);
67 void SetStoppedByFork(lldb::pid_t child_pid, lldb::tid_t child_tid);
68 void SetStoppedByVFork(lldb::pid_t child_pid, lldb::tid_t child_tid);
69 void SetStoppedByVForkDone();
70 void SetStoppedWithNoReason();
71 void SetStopped();
72 void SetRunning();
73 void SetStepping();
74
75 llvm::Error CopyWatchpointsFrom(NativeThreadFreeBSD &source);
76
77 // Member Variables
78 lldb::StateType m_state;
79 ThreadStopInfo m_stop_info;
80 std::unique_ptr<NativeRegisterContextFreeBSD> m_reg_context_up;
81 std::string m_stop_description;
82 using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
83 WatchpointIndexMap m_watchpoint_index_map;
84 WatchpointIndexMap m_hw_break_index_map;
85};
86
87typedef std::shared_ptr<NativeThreadFreeBSD> NativeThreadFreeBSDSP;
88} // namespace process_freebsd
89} // namespace lldb_private
90
91#endif // #ifndef liblldb_NativeThreadFreeBSD_H_
92

source code of lldb/source/Plugins/Process/FreeBSD/NativeThreadFreeBSD.h