NativeRegisterContextAIX_ppc64.h

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//===------ NativeRegisterContextAIX_ppc64.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
//
//===----------------------------------------------------------------------===//
 
#if defined(__powerpc64__)
 
#ifndef LLDB_SOURCE_PLUGINS_PROCESS_AIX_NATIVEREGISTERCONTEXTAIX_PPC64_H
#define LLDB_SOURCE_PLUGINS_PROCESS_AIX_NATIVEREGISTERCONTEXTAIX_PPC64_H
 
#include "Plugins/Process/AIX/NativeRegisterContextAIX.h"
#include "Plugins/Process/Utility/lldb-ppc64-register-enums.h"
 
#define DECLARE_REGISTER_INFOS_PPC64_STRUCT
#include "Plugins/Process/Utility/RegisterInfos_ppc64.h"
#undef DECLARE_REGISTER_INFOS_PPC64_STRUCT
 
namespace lldb_private {
namespace process_aix {
 
class NativeProcessAIX;
 
class NativeRegisterContextAIX_ppc64 : public NativeRegisterContextAIX {
public:
  NativeRegisterContextAIX_ppc64(const ArchSpec &target_arch,
                                 NativeThreadProtocol &native_thread);
 
  uint32_t GetRegisterSetCount() const override;
 
  uint32_t GetUserRegisterCount() const override;
 
  const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
 
  Status ReadRegister(const RegisterInfo *reg_info,
                      RegisterValue &reg_value) override;
 
  Status WriteRegister(const RegisterInfo *reg_info,
                       const RegisterValue &reg_value) override;
 
  Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
 
  Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
 
protected:
  void *GetGPRBuffer() override { return m_gpr; }
 
  void *GetFPRBuffer() override { return nullptr; }
 
  size_t GetFPRSize() override { return 0; }
 
private:
  bool IsGPR(unsigned reg) const;
 
  bool IsFPR(unsigned reg) const;
 
  bool IsVMX(unsigned reg) const;
 
  bool IsVSX(unsigned reg) const;
 
  uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const;
 
  uint32_t CalculateVmxOffset(const RegisterInfo *reg_info) const;
 
  uint32_t CalculateVsxOffset(const RegisterInfo *reg_info) const;
 
  union GPRStorage {
    GPR_PPC gpr32;   // 32-bit general purpose registers.
    GPR_PPC64 gpr64; // 64-bit general purpose registers.
  } m_gpr_storage;
 
  void *m_gpr = nullptr;
};
 
} // namespace process_aix
} // namespace lldb_private
 
#endif // #ifndef LLDB_SOURCE_PLUGINS_PROCESS_AIX_NATIVEREGISTERCONTEXTAIX_H
 
#endif // defined(__powerpc64__)