asm_write_syscall.rs

#![feature(asm)]
fn main() {
    use std::arch::asm;

    let buf = "hello, world!\n";

    unsafe {
        asm!("svc #0",
             in("x0") 1,
             in("x1") buf.as_ptr(),
             in("x2") buf.len(),
             in("x8") 64,
        );
    }
}