xref: /openbsd-src/gnu/llvm/lldb/source/Plugins/Process/FreeBSD/NativeThreadFreeBSD.h (revision be691f3bb6417f04a68938fadbcaee2d5795e764)
1*be691f3bSpatrick //===-- NativeThreadFreeBSD.h --------------------------------- -*- C++ -*-===//
2*be691f3bSpatrick //
3*be691f3bSpatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*be691f3bSpatrick // See https://llvm.org/LICENSE.txt for license information.
5*be691f3bSpatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*be691f3bSpatrick //
7*be691f3bSpatrick //===----------------------------------------------------------------------===//
8*be691f3bSpatrick 
9*be691f3bSpatrick #ifndef liblldb_NativeThreadFreeBSD_H_
10*be691f3bSpatrick #define liblldb_NativeThreadFreeBSD_H_
11*be691f3bSpatrick 
12*be691f3bSpatrick #include "lldb/Host/common/NativeThreadProtocol.h"
13*be691f3bSpatrick 
14*be691f3bSpatrick #include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
15*be691f3bSpatrick 
16*be691f3bSpatrick #include <csignal>
17*be691f3bSpatrick #include <map>
18*be691f3bSpatrick #include <string>
19*be691f3bSpatrick 
20*be691f3bSpatrick namespace lldb_private {
21*be691f3bSpatrick namespace process_freebsd {
22*be691f3bSpatrick 
23*be691f3bSpatrick class NativeProcessFreeBSD;
24*be691f3bSpatrick 
25*be691f3bSpatrick class NativeThreadFreeBSD : public NativeThreadProtocol {
26*be691f3bSpatrick   friend class NativeProcessFreeBSD;
27*be691f3bSpatrick 
28*be691f3bSpatrick public:
29*be691f3bSpatrick   NativeThreadFreeBSD(NativeProcessFreeBSD &process, lldb::tid_t tid);
30*be691f3bSpatrick 
31*be691f3bSpatrick   // NativeThreadProtocol Interface
32*be691f3bSpatrick   std::string GetName() override;
33*be691f3bSpatrick 
34*be691f3bSpatrick   lldb::StateType GetState() override;
35*be691f3bSpatrick 
36*be691f3bSpatrick   bool GetStopReason(ThreadStopInfo &stop_info,
37*be691f3bSpatrick                      std::string &description) override;
38*be691f3bSpatrick 
39*be691f3bSpatrick   NativeRegisterContextFreeBSD &GetRegisterContext() override;
40*be691f3bSpatrick 
41*be691f3bSpatrick   Status SetWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags,
42*be691f3bSpatrick                        bool hardware) override;
43*be691f3bSpatrick 
44*be691f3bSpatrick   Status RemoveWatchpoint(lldb::addr_t addr) override;
45*be691f3bSpatrick 
46*be691f3bSpatrick   Status SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override;
47*be691f3bSpatrick 
48*be691f3bSpatrick   Status RemoveHardwareBreakpoint(lldb::addr_t addr) override;
49*be691f3bSpatrick 
50*be691f3bSpatrick private:
51*be691f3bSpatrick   // Interface for friend classes
52*be691f3bSpatrick 
53*be691f3bSpatrick   Status Resume();
54*be691f3bSpatrick   Status SingleStep();
55*be691f3bSpatrick   Status Suspend();
56*be691f3bSpatrick 
57*be691f3bSpatrick   void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
58*be691f3bSpatrick   void SetStoppedByBreakpoint();
59*be691f3bSpatrick   void SetStoppedByTrace();
60*be691f3bSpatrick   void SetStoppedByExec();
61*be691f3bSpatrick   void SetStoppedByWatchpoint(uint32_t wp_index);
62*be691f3bSpatrick   void SetStoppedByFork(lldb::pid_t child_pid, lldb::tid_t child_tid);
63*be691f3bSpatrick   void SetStoppedByVFork(lldb::pid_t child_pid, lldb::tid_t child_tid);
64*be691f3bSpatrick   void SetStoppedByVForkDone();
65*be691f3bSpatrick   void SetStoppedWithNoReason();
66*be691f3bSpatrick   void SetStopped();
67*be691f3bSpatrick   void SetRunning();
68*be691f3bSpatrick   void SetStepping();
69*be691f3bSpatrick 
70*be691f3bSpatrick   llvm::Error CopyWatchpointsFrom(NativeThreadFreeBSD &source);
71*be691f3bSpatrick 
72*be691f3bSpatrick   // Member Variables
73*be691f3bSpatrick   lldb::StateType m_state;
74*be691f3bSpatrick   ThreadStopInfo m_stop_info;
75*be691f3bSpatrick   std::unique_ptr<NativeRegisterContextFreeBSD> m_reg_context_up;
76*be691f3bSpatrick   std::string m_stop_description;
77*be691f3bSpatrick   using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
78*be691f3bSpatrick   WatchpointIndexMap m_watchpoint_index_map;
79*be691f3bSpatrick   WatchpointIndexMap m_hw_break_index_map;
80*be691f3bSpatrick };
81*be691f3bSpatrick 
82*be691f3bSpatrick typedef std::shared_ptr<NativeThreadFreeBSD> NativeThreadFreeBSDSP;
83*be691f3bSpatrick } // namespace process_freebsd
84*be691f3bSpatrick } // namespace lldb_private
85*be691f3bSpatrick 
86*be691f3bSpatrick #endif // #ifndef liblldb_NativeThreadFreeBSD_H_
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