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/Target/RegisterContext.h"
  18 #include "lldb/lldb-private.h"
  19
  20 #include "UnwindMacOSXFrameBackchain.h"
  21
  22 class RegisterContextMacOSXFrameBackchain
  23     : public lldb_private::RegisterContext {
  24 public:
  25   RegisterContextMacOSXFrameBackchain(
  26       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
  27       const UnwindMacOSXFrameBackchain::Cursor &cursor);
  28
  29   ~RegisterContextMacOSXFrameBackchain() override;
  30
  31   void InvalidateAllRegisters() override;
  32
  33   size_t GetRegisterCount() override;
  34
  35   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
  36
  37   size_t GetRegisterSetCount() override;
  38
  39   const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;
  40
  41   bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
  42                     lldb_private::RegisterValue &value) override;
  43
  44   bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
  45                      const lldb_private::RegisterValue &value) override;
  46
  47   bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
  48
  49   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
  50
  51   uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
  52                                                uint32_t num) override;
  53
  54 private:
  55   UnwindMacOSXFrameBackchain::Cursor m_cursor;
  56   bool m_cursor_is_valid;
  57
  58   DISALLOW_COPY_AND_ASSIGN(RegisterContextMacOSXFrameBackchain);
  59 };
  60
  61 #endif // lldb_RegisterContextMacOSXFrameBackchain_h_