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