RegisterContextHistory.h revision 263367 
1//===-- RegisterContextHistory.h ----------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef lldb_RegisterContextHistory_h_
11#define lldb_RegisterContextHistory_h_
12
13#include <vector>
14
15#include "lldb/lldb-private.h"
16#include "lldb/Target/RegisterContext.h"
17#include "lldb/Symbol/SymbolContext.h"
18
19namespace lldb_private {
20
21class RegisterContextHistory : public lldb_private::RegisterContext
22{
23public:
24    typedef std::shared_ptr<RegisterContextHistory> SharedPtr;
25
26    RegisterContextHistory (Thread &thread, uint32_t concrete_frame_idx, uint32_t address_byte_size, lldb::addr_t pc_value);
27
28    ///
29    // pure virtual functions from the base class that we must implement
30    ///
31
32    virtual
33    ~RegisterContextHistory ();
34
35    virtual void
36    InvalidateAllRegisters ();
37
38    virtual size_t
39    GetRegisterCount ();
40
41    virtual const lldb_private::RegisterInfo *
42    GetRegisterInfoAtIndex (size_t reg);
43
44    virtual size_t
45    GetRegisterSetCount ();
46
47    virtual const lldb_private::RegisterSet *
48    GetRegisterSet (size_t reg_set);
49
50    virtual bool
51    ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value);
52
53    virtual bool
54    WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value);
55
56    virtual bool
57    ReadAllRegisterValues (lldb::DataBufferSP &data_sp);
58
59    virtual bool
60    WriteAllRegisterValues (const lldb::DataBufferSP &data_sp);
61
62    virtual uint32_t
63    ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num);
64
65private:
66    //------------------------------------------------------------------
67    // For RegisterContextLLDB only
68    //------------------------------------------------------------------
69
70    lldb_private::RegisterSet m_reg_set0; // register set 0 (PC only)
71    lldb_private::RegisterInfo m_pc_reg_info;
72
73    lldb::addr_t m_pc_value;
74
75    DISALLOW_COPY_AND_ASSIGN (RegisterContextHistory);
76};
77} // namespace lldb_private
78
79#endif  // lldb_RegisterContextHistory_h_
80