    /******************************************************************************
     * protocols.h
     *
     * Permission is hereby granted, free of charge, to any person obtaining a copy
     * of this software and associated documentation files (the "Software"), to
     * deal in the Software without restriction, including without limitation the
     * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     * sell copies of the Software, and to permit persons to whom the Software is
     * furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice shall be included in
     * all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     * DEALINGS IN THE SOFTWARE.
     *
     * Copyright (c) 2008, Keir Fraser
     */

    #ifndef __XEN_PROTOCOLS_H__
    #define __XEN_PROTOCOLS_H__

    #define XEN_IO_PROTO_ABI_X86_32     "x86_32-abi"
    #define XEN_IO_PROTO_ABI_X86_64     "x86_64-abi"
    #define XEN_IO_PROTO_ABI_ARM        "arm-abi"

    #if defined(__i386__)
    # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_X86_32
    #elif defined(__x86_64__)
    # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_X86_64
    #elif defined(__arm__) || defined(__aarch64__)
    # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_ARM
    #else
    # error arch fixup needed here
    #endif

    #endif