ableos_userland/programs/wasm_syscall_test/src/main.rs

#![no_std]
#![no_main]

#[no_mangle]
fn _start() {
    unsafe {
        let abc = read_mem_addr(13);
    }
}

extern "C" {
    fn read_mem_addr(address: usize) -> u64;

}

#[panic_handler]
fn panic(info: &core::panic::PanicInfo) -> ! {
    loop {}
}