LLDB mainline
RegisterCheckpoint.h
Go to the documentation of this file.
1//===-- RegisterCheckpoint.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_REGISTERCHECKPOINT_H
10#define LLDB_TARGET_REGISTERCHECKPOINT_H
11
12#include "lldb/Target/StackID.h"
13#include "lldb/Utility/UserID.h"
14#include "lldb/lldb-private.h"
15
16namespace lldb_private {
17
18// Inherit from UserID in case pushing/popping all register values can be done
19// using a 64 bit integer that holds a baton/cookie instead of actually having
20// to read all register values into a buffer
21class RegisterCheckpoint : public UserID {
22public:
23 enum class Reason {
24 // An expression is about to be run on the thread if the protocol that
25 // talks to the debuggee supports checkpointing the registers using a
26 // push/pop then the UserID base class in the RegisterCheckpoint can be
27 // used to store the baton/cookie that refers to the remote saved state.
29 // The register checkpoint wants the raw register bytes, so they must be
30 // read into m_data_sp, or the save/restore checkpoint should fail.
32 };
33
34 RegisterCheckpoint(Reason reason) : UserID(0), m_reason(reason) {}
35
37
39
40 const lldb::WritableDataBufferSP &GetData() const { return m_data_sp; }
41
42protected:
45
46 // Make RegisterCheckpointSP if you wish to share the data in this class.
49};
50
51} // namespace lldb_private
52
53#endif // LLDB_TARGET_REGISTERCHECKPOINT_H
lldb::WritableDataBufferSP m_data_sp
const lldb::WritableDataBufferSP & GetData() const
lldb::WritableDataBufferSP & GetData()
const RegisterCheckpoint & operator=(const RegisterCheckpoint &)=delete
RegisterCheckpoint(const RegisterCheckpoint &)=delete
A class that represents a running process on the host machine.
std::shared_ptr< lldb_private::WritableDataBuffer > WritableDataBufferSP
Definition: lldb-forward.h:332
A mix in class that contains a generic user ID.
Definition: UserID.h:31