1 | //===-- ThreadPlanTracer.h --------------------------------------------*- C++ |
2 | //-*-===// |
3 | // |
4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
5 | // See https://llvm.org/LICENSE.txt for license information. |
6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
7 | // |
8 | //===----------------------------------------------------------------------===// |
9 | |
10 | #ifndef LLDB_TARGET_THREADPLANTRACER_H |
11 | #define LLDB_TARGET_THREADPLANTRACER_H |
12 | |
13 | #include "lldb/Symbol/TaggedASTType.h" |
14 | #include "lldb/Target/Thread.h" |
15 | #include "lldb/Utility/RegisterValue.h" |
16 | #include "lldb/lldb-private.h" |
17 | |
18 | namespace lldb_private { |
19 | |
20 | class ThreadPlanTracer { |
21 | friend class ThreadPlan; |
22 | |
23 | public: |
24 | enum ThreadPlanTracerStyle { |
25 | eLocation = 0, |
26 | eStateChange, |
27 | eCheckFrames, |
28 | ePython |
29 | }; |
30 | |
31 | ThreadPlanTracer(Thread &thread, lldb::StreamSP &stream_sp); |
32 | ThreadPlanTracer(Thread &thread); |
33 | |
34 | virtual ~ThreadPlanTracer() = default; |
35 | |
36 | virtual void TracingStarted() {} |
37 | |
38 | virtual void TracingEnded() {} |
39 | |
40 | bool EnableTracing(bool value) { |
41 | bool old_value = m_enabled; |
42 | m_enabled = value; |
43 | if (old_value == false && value == true) |
44 | TracingStarted(); |
45 | else if (old_value == true && value == false) |
46 | TracingEnded(); |
47 | |
48 | return old_value; |
49 | } |
50 | |
51 | bool TracingEnabled() { return m_enabled; } |
52 | |
53 | Thread &GetThread(); |
54 | |
55 | protected: |
56 | Process &m_process; |
57 | lldb::tid_t m_tid; |
58 | |
59 | Stream *GetLogStream(); |
60 | |
61 | virtual void Log(); |
62 | |
63 | private: |
64 | bool TracerExplainsStop(); |
65 | |
66 | bool m_enabled; |
67 | lldb::StreamSP m_stream_sp; |
68 | Thread *m_thread; |
69 | }; |
70 | |
71 | class ThreadPlanAssemblyTracer : public ThreadPlanTracer { |
72 | public: |
73 | ThreadPlanAssemblyTracer(Thread &thread, lldb::StreamSP &stream_sp); |
74 | ThreadPlanAssemblyTracer(Thread &thread); |
75 | ~ThreadPlanAssemblyTracer() override; |
76 | |
77 | void TracingStarted() override; |
78 | void TracingEnded() override; |
79 | void Log() override; |
80 | |
81 | private: |
82 | Disassembler *GetDisassembler(); |
83 | |
84 | TypeFromUser GetIntPointerType(); |
85 | |
86 | lldb::DisassemblerSP m_disassembler_sp; |
87 | TypeFromUser m_intptr_type; |
88 | std::vector<RegisterValue> m_register_values; |
89 | lldb::DataBufferSP m_buffer_sp; |
90 | }; |
91 | |
92 | } // namespace lldb_private |
93 | |
94 | #endif // LLDB_TARGET_THREADPLANTRACER_H |
95 | |