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#[macro_export]
macro_rules! syscall {
($nr:ident, $a1:expr, $a2:expr) => {
$crate::syscall($crate::nr::$nr, &($a1 as usize))
};
($nr:ident, $a1:expr, $a2:expr) => {
$crate::syscall($crate::nr::$nr, &[$a1 as usize, $a2 as usize])
};
($nr:ident, $a1:expr, $a2:expr, $a3:expr) => {
$crate::syscall($crate::nr::$nr, &[$a1 as usize, $a2 as usize,
$a3 as usize])
};
($nr:ident, $a1:expr, $a2:expr, $a3:expr, $a4:expr) => {
$crate::syscall($crate::nr::$nr, &[$a1 as usize, $a2 as usize,
$a3 as usize, $a4 as usize])
};
}
#[macro_export]
macro_rules! ehprint {
($s:expr) => ($crate::io::ewrite_str($s));
($($arg:tt)*) => ($crate::io::ewrite_fmt(format_args!($($arg)*)));
}
#[macro_export]
macro_rules! ehprintln {
() => (ehprint!("\n"));
($fmt:expr) => (ehprint!(concat!($fmt, "\n")));
($fmt:expr, $($arg:tt)*) => (ehprint!(concat!($fmt, "\n"), $($arg)*));
}
#[macro_export]
macro_rules! hprint {
($s:expr) => ($crate::io::write_str($s));
($($arg:tt)*) => ($crate::io::write_fmt(format_args!($($arg)*)));
}
#[macro_export]
macro_rules! hprintln {
() => (hprint!("\n"));
($fmt:expr) => (hprint!(concat!($fmt, "\n")));
($fmt:expr, $($arg:tt)*) => (hprint!(concat!($fmt, "\n"), $($arg)*));
}