1//===-- ThreadGDBRemote.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 LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H
10#define LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H
11
12#include <string>
13
14#include "lldb/Target/Thread.h"
15#include "lldb/Utility/StructuredData.h"
16
17#include "GDBRemoteRegisterContext.h"
18
19class StringExtractor;
20
21namespace lldb_private {
22class Process;
23
24namespace process_gdb_remote {
25
26class ProcessGDBRemote;
27
28class ThreadGDBRemote : public Thread {
29public:
30 ThreadGDBRemote(Process &process, lldb::tid_t tid);
31
32 ~ThreadGDBRemote() override;
33
34 void WillResume(lldb::StateType resume_state) override;
35
36 void RefreshStateAfterStop() override;
37
38 const char *GetName() override;
39
40 const char *GetQueueName() override;
41
42 lldb::QueueKind GetQueueKind() override;
43
44 lldb::queue_id_t GetQueueID() override;
45
46 lldb::QueueSP GetQueue() override;
47
48 lldb::addr_t GetQueueLibdispatchQueueAddress() override;
49
50 void SetQueueLibdispatchQueueAddress(lldb::addr_t dispatch_queue_t) override;
51
52 bool ThreadHasQueueInformation() const override;
53
54 lldb::RegisterContextSP GetRegisterContext() override;
55
56 lldb::RegisterContextSP
57 CreateRegisterContextForFrame(StackFrame *frame) override;
58
59 void Dump(Log *log, uint32_t index);
60
61 static bool ThreadIDIsValid(lldb::tid_t thread);
62
63 bool ShouldStop(bool &step_more);
64
65 const char *GetBasicInfoAsString();
66
67 void SetName(const char *name) override {
68 if (name && name[0])
69 m_thread_name.assign(s: name);
70 else
71 m_thread_name.clear();
72 }
73
74 lldb::addr_t GetThreadDispatchQAddr() { return m_thread_dispatch_qaddr; }
75
76 void SetThreadDispatchQAddr(lldb::addr_t thread_dispatch_qaddr) {
77 m_thread_dispatch_qaddr = thread_dispatch_qaddr;
78 }
79
80 void ClearQueueInfo();
81
82 void SetQueueInfo(std::string &&queue_name, lldb::QueueKind queue_kind,
83 uint64_t queue_serial, lldb::addr_t dispatch_queue_t,
84 lldb_private::LazyBool associated_with_libdispatch_queue);
85
86 lldb_private::LazyBool GetAssociatedWithLibdispatchQueue() override;
87
88 void SetAssociatedWithLibdispatchQueue(
89 lldb_private::LazyBool associated_with_libdispatch_queue) override;
90
91 StructuredData::ObjectSP FetchThreadExtendedInfo() override;
92
93protected:
94 friend class ProcessGDBRemote;
95
96 std::string m_thread_name;
97 std::string m_dispatch_queue_name;
98 lldb::addr_t m_thread_dispatch_qaddr;
99 lldb::addr_t m_dispatch_queue_t;
100 lldb::QueueKind
101 m_queue_kind; // Queue info from stop reply/stop info for thread
102 uint64_t
103 m_queue_serial_number; // Queue info from stop reply/stop info for thread
104 lldb_private::LazyBool m_associated_with_libdispatch_queue;
105
106 GDBRemoteDynamicRegisterInfoSP m_reg_info_sp;
107
108 bool PrivateSetRegisterValue(uint32_t reg, llvm::ArrayRef<uint8_t> data);
109
110 bool PrivateSetRegisterValue(uint32_t reg, uint64_t regval);
111
112 bool CachedQueueInfoIsValid() const {
113 return m_queue_kind != lldb::eQueueKindUnknown;
114 }
115 void SetStopInfoFromPacket(StringExtractor &stop_packet, uint32_t stop_id);
116
117 bool CalculateStopInfo() override;
118
119 llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>
120 GetSiginfo(size_t max_size) const override;
121};
122
123} // namespace process_gdb_remote
124} // namespace lldb_private
125
126#endif // LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_THREADGDBREMOTE_H
127

source code of lldb/source/Plugins/Process/gdb-remote/ThreadGDBRemote.h