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StoppointSite.h
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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
13#include "lldb/Utility/UserID.h"
14#include "lldb/lldb-private.h"
15
16namespace lldb_private {
17
19public:
21
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
36
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.
50
51 /// The load address of this stop point.
53
54 /// True if this point is required to use hardware (which may fail due to
55 /// the lack of resources).
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.
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
General Outline: When we hit a breakpoint we need to package up whatever information is needed to eva...
lldb::addr_t m_addr
The load address of this stop point.
Definition: StoppointSite.h:52
virtual void Dump(Stream *stream) const =0
StoppointSite(lldb::break_id_t bid, lldb::addr_t m_addr, bool hardware)
const StoppointSite & operator=(const StoppointSite &)=delete
lldb::break_id_t GetID() const
Definition: StoppointSite.h:45
StoppointSite(const StoppointSite &)=delete
lldb::break_id_t m_id
Stoppoint site ID.
Definition: StoppointSite.h:49
uint32_t GetHitCount() const
Definition: StoppointSite.h:33
StoppointHitCounter m_hit_counter
Number of times this breakpoint/watchpoint has been hit.
Definition: StoppointSite.h:64
virtual lldb::addr_t GetLoadAddress() const
Definition: StoppointSite.h:27
uint32_t GetByteSize() const
Definition: StoppointSite.h:31
virtual bool IsHardware() const =0
virtual void SetLoadAddress(lldb::addr_t addr)
Definition: StoppointSite.h:29
virtual bool ShouldStop(StoppointCallbackContext *context)=0
StoppointSite(lldb::break_id_t bid, lldb::addr_t m_addr, uint32_t byte_size, bool hardware)
uint32_t m_byte_size
The size in bytes of stoppoint, e.g.
Definition: StoppointSite.h:61
bool m_is_hardware_required
True if this point is required to use hardware (which may fail due to the lack of resources).
Definition: StoppointSite.h:56
virtual ~StoppointSite()=default
A stream class that can stream formatted output to a file.
Definition: Stream.h:28
A class that represents a running process on the host machine.
int32_t break_id_t
Definition: lldb-types.h:86
uint64_t addr_t
Definition: lldb-types.h:80