//===-- NativeThreadProtocol.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_NativeThreadProtocol_h_
#define liblldb_NativeThreadProtocol_h_

#include <memory>

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

namespace lldb_private
{
    //------------------------------------------------------------------
    // NativeThreadProtocol
    //------------------------------------------------------------------
    class NativeThreadProtocol:
        public std::enable_shared_from_this<NativeThreadProtocol>
    {
    public:
        NativeThreadProtocol (NativeProcessProtocol *process, lldb::tid_t tid);

        virtual ~NativeThreadProtocol()
        {
        }

        virtual std::string
        GetName() = 0;

        virtual lldb::StateType
        GetState () = 0;

        virtual NativeRegisterContextSP
        GetRegisterContext () = 0;

        virtual Error
        ReadRegister (uint32_t reg, RegisterValue &reg_value);

        virtual Error
        WriteRegister (uint32_t reg, const RegisterValue &reg_value);

        virtual Error
        SaveAllRegisters (lldb::DataBufferSP &data_sp);

        virtual Error
        RestoreAllRegisters (lldb::DataBufferSP &data_sp);

        virtual bool
        GetStopReason (ThreadStopInfo &stop_info, std::string& description) = 0;

        lldb::tid_t
        GetID() const
        {
            return m_tid;
        }

        NativeProcessProtocolSP
        GetProcess ();

        // ---------------------------------------------------------------------
        // Thread-specific watchpoints
        // ---------------------------------------------------------------------
        virtual Error
        SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware) = 0;

        virtual Error
        RemoveWatchpoint (lldb::addr_t addr) = 0;

    protected:
        NativeProcessProtocolWP m_process_wp;
        lldb::tid_t m_tid;
    };
}

#endif // #ifndef liblldb_NativeThreadProtocol_h_