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//===-- RegisterContextPOSIX_s390x.h ----------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_RegisterContextPOSIX_s390x_h_
#define liblldb_RegisterContextPOSIX_s390x_h_

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Log.h"
#include "lldb/Target/RegisterContext.h"
#include "RegisterInfoInterface.h"
#include "RegisterContext_s390x.h"
#include "lldb-s390x-register-enums.h"

class ProcessMonitor;

class RegisterContextPOSIX_s390x : public lldb_private::RegisterContext
{
public:
    RegisterContextPOSIX_s390x(lldb_private::Thread &thread, uint32_t concrete_frame_idx,
                               lldb_private::RegisterInfoInterface *register_info);

    ~RegisterContextPOSIX_s390x() override;

    void
    Invalidate();

    void
    InvalidateAllRegisters() override;

    size_t
    GetRegisterCount() override;

    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);

    uint32_t
    ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num) override;

protected:
    struct RegInfo
    {
        uint32_t num_registers;
        uint32_t num_gpr_registers;
        uint32_t num_fpr_registers;

        uint32_t last_gpr;
        uint32_t first_fpr;
        uint32_t last_fpr;
    };

    RegInfo m_reg_info;
    std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_ap;

    virtual bool
    IsRegisterSetAvailable(size_t set_index);

    virtual const lldb_private::RegisterInfo *
    GetRegisterInfo();

    bool
    IsGPR(unsigned reg);

    bool
    IsFPR(unsigned reg);

    lldb::ByteOrder
    GetByteOrder();

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

#endif // liblldb_RegisterContextPOSIX_s390x_h_