lldb/source/Plugins/Process/Utility/RegisterInfoInterface.h

   1 //===-- RegisterInfoInterface.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_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOINTERFACE_H
  10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOINTERFACE_H
  11
  12 #include "lldb/Utility/ArchSpec.h"
  13 #include "lldb/lldb-private-types.h"
  14 #include <vector>
  15
  16 namespace lldb_private {
  17
  18 /// \class RegisterInfoInterface
  19 ///
  20 /// RegisterInfo interface to patch RegisterInfo structure for archs.
  21 class RegisterInfoInterface {
  22 public:
  23   RegisterInfoInterface(const lldb_private::ArchSpec &target_arch)
  24       : m_target_arch(target_arch) {}
  25   virtual ~RegisterInfoInterface() = default;
  26
  27   virtual size_t GetGPRSize() const = 0;
  28
  29   virtual const lldb_private::RegisterInfo *GetRegisterInfo() const = 0;
  30
  31   // Returns the number of registers including the user registers and the
  32   // lldb internal registers also
  33   virtual uint32_t GetRegisterCount() const = 0;
  34
  35   // Returns the number of the user registers (excluding the registers
  36   // kept for lldb internal use only). Subclasses should override it if
  37   // they belongs to an architecture with lldb internal registers.
  38   virtual uint32_t GetUserRegisterCount() const { return GetRegisterCount(); }
  39
  40   const lldb_private::ArchSpec &GetTargetArchitecture() const {
  41     return m_target_arch;
  42   }
  43
  44 private:
  45   lldb_private::ArchSpec m_target_arch;
  46 };
  47 } // namespace lldb_private
  48
  49 #endif