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

//===-- RegisterContextPOSIX_powerpc.h --------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_POWERPC_H
#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_POWERPC_H

#include "Register/Arch/RegisterContext_powerpc.h"
#include "Register/RegisterInfoInterface.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Utility/Log.h"

class RegisterContextPOSIX_powerpc : public lldb_private::RegisterContext {
public:
  RegisterContextPOSIX_powerpc(
      lldb_private::Thread &thread, uint32_t concrete_frame_idx,
      lldb_private::RegisterInfoInterface *register_info);

  ~RegisterContextPOSIX_powerpc() override;

  void Invalidate();

  void InvalidateAllRegisters() override;

  size_t GetRegisterCount() override;

  virtual size_t GetGPRSize();

  virtual unsigned GetRegisterSize(unsigned reg);

  virtual unsigned GetRegisterOffset(unsigned reg);

  const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;

  size_t GetRegisterSetCount() override;

  const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;

  const char *GetRegisterName(unsigned reg);

protected:
  uint64_t
      m_gpr_powerpc[k_num_gpr_registers_powerpc]; // general purpose registers.
  uint64_t
      m_fpr_powerpc[k_num_fpr_registers_powerpc]; // floating point registers.
  uint32_t m_vmx_powerpc[k_num_vmx_registers_powerpc][4];
  std::unique_ptr<lldb_private::RegisterInfoInterface>
      m_register_info_up; // Register Info Interface (FreeBSD or Linux)

  // Determines if an extended register set is supported on the processor
  // running the inferior process.
  virtual bool IsRegisterSetAvailable(size_t set_index);

  virtual const lldb_private::RegisterInfo *GetRegisterInfo();

  bool IsGPR(unsigned reg);

  bool IsFPR(unsigned reg);

  bool IsVMX(unsigned reg);

  virtual bool ReadGPR() = 0;
  virtual bool ReadFPR() = 0;
  virtual bool ReadVMX() = 0;
  virtual bool WriteGPR() = 0;
  virtual bool WriteFPR() = 0;
  virtual bool WriteVMX() = 0;
};

#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_POWERPC_H