// Copyright (C) 2017-2019 Baidu, Inc. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in
//    the documentation and/or other materials provided with the
//    distribution.
//  * Neither the name of Baidu, Inc., nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use sgx_trts::trts;
use core::fmt;
use crate::io::prelude::*;
#[cfg(feature = "stdio")]
use crate::sys::stdio::panic_output;

#[cfg(feature = "stdio")]
pub fn dumb_print(args: fmt::Arguments<'_>) {
    if let Some(mut out) = panic_output() {
        let _ = out.write_fmt(args);
    }
}

#[cfg(not(feature = "stdio"))]
pub fn dumb_print(args: fmt::Arguments<'_>) {

}

// Other platforms should use the appropriate platform-specific mechanism for
// aborting the process.  If no platform-specific mechanism is available,
// ::intrinsics::abort() may be used instead.  The above implementations cover
// all targets currently supported by libstd.

pub fn abort(args: fmt::Arguments<'_>) -> ! {
    dumb_print(format_args!("fatal runtime error: {}\n", args));
    trts::rsgx_abort()
}