move x86_64 bin test

src/arch/x86_64/test/bin.rs

@@ -0,0 +1,59 @@
+use crate::{
+    arch::x86_64::*,
+    backend::{Instr as BInstr, Program},
+};
+use std::{fs::OpenOptions, io::Write, os::unix::fs::OpenOptionsExt, process::Command};
+
+pub fn run() {
+    let mut program = Program::<X86_64>::default();
+    let text = b"Hello world!\n";
+    let text_sym = program.ro_data(text);
+    let entry = program.func([BInstr::Asm(Asm {
+        instrs: vec![
+            mov(ax, 1),
+            mov(di, 1),
+            lea(rsi, text_sym),
+            mov(dx, text.len() as u64),
+            Instr::Syscall,
+            mov(ax, 0x3c),
+            mov(di, 39),
+            Instr::Syscall,
+        ],
+    })]);
+    program.entry = Some(entry);
+    let linked = program.compile().expect("failed to compile");
+    let binary = linked.to_elf();
+    let path = "./x86_64_test";
+    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");
+    drop(file);
+    println!("running...");
+    let gdb = false;
+    let mut proc = if gdb {
+        let mut cmd = Command::new("gdb");
+        #[rustfmt::skip]
+        cmd.args([
+            "-q",
+            "-ex", "starti",
+            "-ex", "layout asm",
+            "-ex", "focus next",
+            "x86_64_test",
+        ]);
+        cmd
+    } else {
+        Command::new(path)
+    }
+    .spawn()
+    .expect("failed to run");
+    let status = proc.wait().expect("failed to wait");
+    if let Some(code) = status.code() {
+        std::process::exit(code);
+    }
+}