blob: 4f9654f763437f5247cd7ec3790ea76a6a60c1b2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
//===-- RegisterCheckpoint.h ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_RegisterCheckpoint_h_
#define liblldb_RegisterCheckpoint_h_
#include "lldb/Target/StackID.h"
#include "lldb/Utility/UserID.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
// Inherit from UserID in case pushing/popping all register values can be done
// using a 64 bit integer that holds a baton/cookie instead of actually having
// to read all register values into a buffer
class RegisterCheckpoint : public UserID {
public:
enum class Reason {
// An expression is about to be run on the thread if the protocol that
// talks to the debuggee supports checkpointing the registers using a
// push/pop then the UserID base class in the RegisterCheckpoint can be
// used to store the baton/cookie that refers to the remote saved state.
eExpression,
// The register checkpoint wants the raw register bytes, so they must be
// read into m_data_sp, or the save/restore checkpoint should fail.
eDataBackup
};
RegisterCheckpoint(Reason reason)
: UserID(0), m_data_sp(), m_reason(reason) {}
~RegisterCheckpoint() {}
lldb::DataBufferSP &GetData() { return m_data_sp; }
const lldb::DataBufferSP &GetData() const { return m_data_sp; }
protected:
lldb::DataBufferSP m_data_sp;
Reason m_reason;
// Make RegisterCheckpointSP if you wish to share the data in this class.
DISALLOW_COPY_AND_ASSIGN(RegisterCheckpoint);
};
} // namespace lldb_private
#endif // liblldb_RegisterCheckpoint_h_
|
