convert programs into tests

src/arch/x86_64/test/full/util.rs

@@ -0,0 +1,13 @@
+use std::{fs::OpenOptions, io::Write, os::unix::fs::OpenOptionsExt};
+
+pub fn write(path: &str, binary: &[u8]) {
+    let mut file = OpenOptions::new()
+        .create(true)
+        .write(true)
+        .truncate(true)
+        .mode(0o750)
+        .open(path)
+        .expect("Failed to create file");
+    file.write_all(binary).expect("Failed to write to file");
+    file.sync_all().expect("Failed to sync file");
+}