contrib/llvm-project/lldb/source/Plugins/Process/Utility/RegisterContextMacOSXFrameBackchain.h

   1 //===-- RegisterContextMacOSXFrameBackchain.h -------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef lldb_RegisterContextMacOSXFrameBackchain_h_
  10 #define lldb_RegisterContextMacOSXFrameBackchain_h_
  11
  12 #include "lldb/Target/RegisterContext.h"
  13 #include "lldb/lldb-private.h"
  14
  15 #include "UnwindMacOSXFrameBackchain.h"
  16
  17 class RegisterContextMacOSXFrameBackchain
  18     : public lldb_private::RegisterContext {
  19 public:
  20   RegisterContextMacOSXFrameBackchain(
  21       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
  22       const UnwindMacOSXFrameBackchain::Cursor &cursor);
  23
  24   ~RegisterContextMacOSXFrameBackchain() override;
  25
  26   void InvalidateAllRegisters() override;
  27
  28   size_t GetRegisterCount() override;
  29
  30   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
  31
  32   size_t GetRegisterSetCount() override;
  33
  34   const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;
  35
  36   bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
  37                     lldb_private::RegisterValue &value) override;
  38
  39   bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
  40                      const lldb_private::RegisterValue &value) override;
  41
  42   bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
  43
  44   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
  45
  46   uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
  47                                                uint32_t num) override;
  48
  49 private:
  50   UnwindMacOSXFrameBackchain::Cursor m_cursor;
  51   bool m_cursor_is_valid;
  52
  53   DISALLOW_COPY_AND_ASSIGN(RegisterContextMacOSXFrameBackchain);
  54 };
  55
  56 #endif // lldb_RegisterContextMacOSXFrameBackchain_h_