1 | //===-- ThreadPlanStepUntil.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_TARGET_THREADPLANSTEPUNTIL_H |
10 | #define LLDB_TARGET_THREADPLANSTEPUNTIL_H |
11 | |
12 | #include "lldb/Target/Thread.h" |
13 | #include "lldb/Target/ThreadPlan.h" |
14 | |
15 | namespace lldb_private { |
16 | |
17 | class ThreadPlanStepUntil : public ThreadPlan { |
18 | public: |
19 | ~ThreadPlanStepUntil() override; |
20 | |
21 | void GetDescription(Stream *s, lldb::DescriptionLevel level) override; |
22 | bool ValidatePlan(Stream *error) override; |
23 | bool ShouldStop(Event *event_ptr) override; |
24 | bool StopOthers() override; |
25 | lldb::StateType GetPlanRunState() override; |
26 | bool WillStop() override; |
27 | bool MischiefManaged() override; |
28 | |
29 | protected: |
30 | bool DoWillResume(lldb::StateType resume_state, bool current_plan) override; |
31 | bool DoPlanExplainsStop(Event *event_ptr) override; |
32 | |
33 | ThreadPlanStepUntil(Thread &thread, lldb::addr_t *address_list, |
34 | size_t num_addresses, bool stop_others, |
35 | uint32_t frame_idx = 0); |
36 | |
37 | void AnalyzeStop(); |
38 | |
39 | private: |
40 | StackID m_stack_id; |
41 | lldb::addr_t m_step_from_insn; |
42 | lldb::break_id_t m_return_bp_id; |
43 | lldb::addr_t m_return_addr; |
44 | bool m_stepped_out; |
45 | bool m_should_stop; |
46 | bool m_ran_analyze; |
47 | bool m_explains_stop; |
48 | |
49 | typedef std::map<lldb::addr_t, lldb::break_id_t> until_collection; |
50 | until_collection m_until_points; |
51 | bool m_stop_others; |
52 | |
53 | void Clear(); |
54 | |
55 | friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepUntil( |
56 | bool abort_other_plans, lldb::addr_t *address_list, size_t num_addresses, |
57 | bool stop_others, uint32_t frame_idx, Status &status); |
58 | |
59 | // Need an appropriate marker for the current stack so we can tell step out |
60 | // from step in. |
61 | |
62 | ThreadPlanStepUntil(const ThreadPlanStepUntil &) = delete; |
63 | const ThreadPlanStepUntil &operator=(const ThreadPlanStepUntil &) = delete; |
64 | }; |
65 | |
66 | } // namespace lldb_private |
67 | |
68 | #endif // LLDB_TARGET_THREADPLANSTEPUNTIL_H |
69 | |