feat(mir): 增加 Lab3 AArch64 MVP 后端与 --emit-asm 支持

scripts/verify_asm_with_qemu.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ $# -lt 1 || $# -gt 3 ]]; then
+  echo "用法: $0 <input.sy> [output_dir] [--run]" >&2
+  exit 1
+fi
+
+input=$1
+out_dir="out/asm"
+run_exec=false
+
+shift
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --run)
+      run_exec=true
+      ;;
+    *)
+      out_dir="$1"
+      ;;
+  esac
+  shift
+done
+
+if [[ ! -f "$input" ]]; then
+  echo "输入文件不存在: $input" >&2
+  exit 1
+fi
+
+compiler="./build/bin/compiler"
+if [[ ! -x "$compiler" ]]; then
+  echo "未找到编译器: $compiler ，请先构建。" >&2
+  exit 1
+fi
+
+if ! command -v aarch64-linux-gnu-gcc >/dev/null 2>&1; then
+  echo "未找到 aarch64-linux-gnu-gcc，无法汇编/链接。" >&2
+  exit 1
+fi
+
+mkdir -p "$out_dir"
+base=$(basename "$input")
+stem=${base%.sy}
+asm_file="$out_dir/$stem.s"
+exe="$out_dir/$stem.exe"
+
+"$compiler" --emit-asm "$input" > "$asm_file"
+echo "汇编已生成: $asm_file"
+
+aarch64-linux-gnu-gcc "$asm_file" -o "$exe"
+echo "可执行文件已生成: $exe"
+
+if [[ "$run_exec" == true ]]; then
+  if ! command -v qemu-aarch64 >/dev/null 2>&1; then
+    echo "未找到 qemu-aarch64，无法运行生成的可执行文件。" >&2
+    exit 1
+  fi
+
+  echo "运行 $exe ..."
+  set +e
+  qemu-aarch64 -L /usr/aarch64-linux-gnu "$exe"
+  status=$?
+  set -e
+  echo "退出码: $status"
+fi