contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.h

   1 //===-- RegisterContextMacOSXFrameBackchain.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_RegisterContextMacOSXFrameBackchain_h_
  11 #define lldb_RegisterContextMacOSXFrameBackchain_h_
  12
  13 // C Includes
  14 // C++ Includes
  15 // Other libraries and framework includes
  16 // Project includes
  17 #include "lldb/lldb-private.h"
  18 #include "lldb/Target/RegisterContext.h"
  19
  20 #include "UnwindMacOSXFrameBackchain.h"
  21
  22 class RegisterContextMacOSXFrameBackchain : public lldb_private::RegisterContext
  23 {
  24 public:
  25     //------------------------------------------------------------------
  26     // Constructors and Destructors
  27     //------------------------------------------------------------------
  28     RegisterContextMacOSXFrameBackchain (lldb_private::Thread &thread,
  29                                          uint32_t concrete_frame_idx,
  30                                          const UnwindMacOSXFrameBackchain::Cursor &cursor);
  31
  32     virtual
  33     ~RegisterContextMacOSXFrameBackchain ();
  34
  35     //------------------------------------------------------------------
  36     // Subclasses must override these functions
  37     //------------------------------------------------------------------
  38     virtual void
  39     InvalidateAllRegisters ();
  40
  41     virtual size_t
  42     GetRegisterCount ();
  43
  44     virtual const lldb_private::RegisterInfo *
  45     GetRegisterInfoAtIndex (size_t reg);
  46
  47     virtual size_t
  48     GetRegisterSetCount ();
  49
  50     virtual const lldb_private::RegisterSet *
  51     GetRegisterSet (size_t reg_set);
  52
  53     virtual bool
  54     ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value);
  55
  56     virtual bool
  57     WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value);
  58
  59     virtual bool
  60     ReadAllRegisterValues (lldb::DataBufferSP &data_sp);
  61
  62     virtual bool
  63     WriteAllRegisterValues (const lldb::DataBufferSP &data_sp);
  64
  65     virtual uint32_t
  66     ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num);
  67
  68 private:
  69     UnwindMacOSXFrameBackchain::Cursor m_cursor;
  70     bool m_cursor_is_valid;
  71     //------------------------------------------------------------------
  72     // For RegisterContextMacOSXFrameBackchain only
  73     //------------------------------------------------------------------
  74     DISALLOW_COPY_AND_ASSIGN (RegisterContextMacOSXFrameBackchain);
  75 };
  76
  77 #endif  // lldb_RegisterContextMacOSXFrameBackchain_h_