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

#include "lldb/lldb-types.h"
#include "lldb/lldb-private-forward.h"
#include "lldb/Host/common/NativeRegisterContextRegisterInfo.h"

using namespace lldb_private;

NativeRegisterContextRegisterInfo::NativeRegisterContextRegisterInfo (NativeThreadProtocol &thread,
                                                                      uint32_t concrete_frame_idx,
                                                                      RegisterInfoInterface *register_info_interface) :
    NativeRegisterContext (thread, concrete_frame_idx),
    m_register_info_interface_up (register_info_interface)
{
    assert (register_info_interface && "null register_info_interface");
}

uint32_t
NativeRegisterContextRegisterInfo::GetRegisterCount () const
{
    return m_register_info_interface_up->GetRegisterCount ();
}

uint32_t
NativeRegisterContextRegisterInfo::GetUserRegisterCount () const
{
    return m_register_info_interface_up->GetUserRegisterCount ();
}

const RegisterInfo *
NativeRegisterContextRegisterInfo::GetRegisterInfoAtIndex (uint32_t reg_index) const
{
    if (reg_index <= GetRegisterCount ())
        return m_register_info_interface_up->GetRegisterInfo () + reg_index;
    else
        return nullptr;
}

const RegisterInfoInterface&
NativeRegisterContextRegisterInfo::GetRegisterInfoInterface () const
{
    return *m_register_info_interface_up;
}