1 | //===-- StoppointSite.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_BREAKPOINT_STOPPOINTSITE_H |
10 | #define LLDB_BREAKPOINT_STOPPOINTSITE_H |
11 | |
12 | #include "lldb/Breakpoint/StoppointHitCounter.h" |
13 | #include "lldb/Utility/UserID.h" |
14 | #include "lldb/lldb-private.h" |
15 | |
16 | namespace lldb_private { |
17 | |
18 | class StoppointSite { |
19 | public: |
20 | StoppointSite(lldb::break_id_t bid, lldb::addr_t m_addr, bool hardware); |
21 | |
22 | StoppointSite(lldb::break_id_t bid, lldb::addr_t m_addr, |
23 | uint32_t byte_size, bool hardware); |
24 | |
25 | virtual ~StoppointSite() = default; |
26 | |
27 | virtual lldb::addr_t GetLoadAddress() const { return m_addr; } |
28 | |
29 | virtual void SetLoadAddress(lldb::addr_t addr) { m_addr = addr; } |
30 | |
31 | uint32_t GetByteSize() const { return m_byte_size; } |
32 | |
33 | uint32_t GetHitCount() const { return m_hit_counter.GetValue(); } |
34 | |
35 | void ResetHitCount() { m_hit_counter.Reset(); } |
36 | |
37 | bool HardwareRequired() const { return m_is_hardware_required; } |
38 | |
39 | virtual bool IsHardware() const = 0; |
40 | |
41 | virtual bool ShouldStop(StoppointCallbackContext* context) = 0; |
42 | |
43 | virtual void Dump(Stream* stream) const = 0; |
44 | |
45 | lldb::break_id_t GetID() const { return m_id; } |
46 | |
47 | protected: |
48 | /// Stoppoint site ID. |
49 | lldb::break_id_t m_id; |
50 | |
51 | /// The load address of this stop point. |
52 | lldb::addr_t m_addr; |
53 | |
54 | /// True if this point is required to use hardware (which may fail due to |
55 | /// the lack of resources). |
56 | bool m_is_hardware_required; |
57 | |
58 | /// The size in bytes of stoppoint, e.g. the length of the trap opcode for |
59 | /// software breakpoints, or the optional length in bytes for hardware |
60 | /// breakpoints, or the length of the watchpoint. |
61 | uint32_t m_byte_size; |
62 | |
63 | /// Number of times this breakpoint/watchpoint has been hit. |
64 | StoppointHitCounter m_hit_counter; |
65 | |
66 | private: |
67 | StoppointSite(const StoppointSite &) = delete; |
68 | const StoppointSite &operator=(const StoppointSite &) = delete; |
69 | StoppointSite() = delete; |
70 | }; |
71 | |
72 | } // namespace lldb_private |
73 | |
74 | #endif // LLDB_BREAKPOINT_STOPPOINTSITE_H |
75 | |