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     RegisterContextMacOSXFrameBackchain (lldb_private::Thread &thread,
  26                                          uint32_t concrete_frame_idx,
  27                                          const UnwindMacOSXFrameBackchain::Cursor &cursor);
  28
  29     ~RegisterContextMacOSXFrameBackchain() override;
  30
  31     void
  32     InvalidateAllRegisters() override;
  33
  34     size_t
  35     GetRegisterCount() override;
  36
  37     const lldb_private::RegisterInfo *
  38     GetRegisterInfoAtIndex(size_t reg) override;
  39
  40     size_t
  41     GetRegisterSetCount() override;
  42
  43     const lldb_private::RegisterSet *
  44     GetRegisterSet(size_t reg_set) override;
  45
  46     bool
  47     ReadRegister(const lldb_private::RegisterInfo *reg_info,
  48                  lldb_private::RegisterValue &value) override;
  49
  50     bool
  51     WriteRegister(const lldb_private::RegisterInfo *reg_info,
  52                   const lldb_private::RegisterValue &value) override;
  53
  54     bool
  55     ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
  56
  57     bool
  58     WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
  59
  60     uint32_t
  61     ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num) override;
  62
  63 private:
  64     UnwindMacOSXFrameBackchain::Cursor m_cursor;
  65     bool m_cursor_is_valid;
  66
  67     DISALLOW_COPY_AND_ASSIGN (RegisterContextMacOSXFrameBackchain);
  68 };
  69
  70 #endif // lldb_RegisterContextMacOSXFrameBackchain_h_