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
16namespace lldb_private {
17
18class StoppointSite {
19public:
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
47protected:
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
66private:
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

source code of lldb/include/lldb/Breakpoint/StoppointSite.h