1//===-- RegisterContextMacOSXFrameBackchain.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_RegisterContextMacOSXFrameBackchain_h_
10#define lldb_RegisterContextMacOSXFrameBackchain_h_
11
12#include "lldb/Target/RegisterContext.h"
13#include "lldb/lldb-private.h"
14
15#include "UnwindMacOSXFrameBackchain.h"
16
17class RegisterContextMacOSXFrameBackchain
18    : public lldb_private::RegisterContext {
19public:
20  RegisterContextMacOSXFrameBackchain(
21      lldb_private::Thread &thread, uint32_t concrete_frame_idx,
22      const UnwindMacOSXFrameBackchain::Cursor &cursor);
23
24  ~RegisterContextMacOSXFrameBackchain() override;
25
26  void InvalidateAllRegisters() override;
27
28  size_t GetRegisterCount() override;
29
30  const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
31
32  size_t GetRegisterSetCount() override;
33
34  const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;
35
36  bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
37                    lldb_private::RegisterValue &value) override;
38
39  bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
40                     const lldb_private::RegisterValue &value) override;
41
42  bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
43
44  bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
45
46  uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
47                                               uint32_t num) override;
48
49private:
50  UnwindMacOSXFrameBackchain::Cursor m_cursor;
51  bool m_cursor_is_valid;
52
53  DISALLOW_COPY_AND_ASSIGN(RegisterContextMacOSXFrameBackchain);
54};
55
56#endif // lldb_RegisterContextMacOSXFrameBackchain_h_
57