feat(tool): Add tools to test asm and ir

tools/run_arm_asm.py

@@ -84,6 +84,11 @@ def parse_args() -> argparse.Namespace:
         action="store_true",
         help="do not compile tests/std.c with the assembly file",
     )
+    parser.add_argument(
+        "--stdin-file",
+        type=Path,
+        help="file used as stdin when running the compiled program",
+    )
     args = parser.parse_args(tool_args)
     args.program_args = program_args
     return args
@@ -95,9 +100,13 @@ def require_command(command: str) -> None:
         sys.exit(127)
 
 
-def run_command(command: list[str]) -> subprocess.CompletedProcess[bytes]:
+def run_command(
+    command: list[str],
+    *,
+    stdin: bytes | None = None,
+) -> subprocess.CompletedProcess[bytes]:
     try:
-        return subprocess.run(command, capture_output=True, check=False)
+        return subprocess.run(command, input=stdin, capture_output=True, check=False)
     except OSError as err:
         print(f"error: failed to run {command[0]}: {err}", file=sys.stderr)
         sys.exit(127)
@@ -125,6 +134,9 @@ def main() -> int:
     if not args.no_std_c and not std_c.is_file():
         print(f"error: std C file not found: {std_c}", file=sys.stderr)
         return 2
+    if args.stdin_file is not None and not args.stdin_file.is_file():
+        print(f"error: stdin file not found: {args.stdin_file}", file=sys.stderr)
+        return 2
 
     require_command(args.cc)
     require_command(args.qemu)
@@ -164,7 +176,8 @@ def main() -> int:
             print("gdb: use 'si' or 'c'; do not use 'run'", file=sys.stderr, flush=True)
         qemu_cmd.extend([str(output), *args.program_args])
 
-        run_result = run_command(qemu_cmd)
+        stdin = args.stdin_file.read_bytes() if args.stdin_file is not None else None
+        run_result = run_command(qemu_cmd, stdin=stdin)
         sys.stdout.buffer.write(run_result.stdout)
         sys.stderr.buffer.write(run_result.stderr)
         if run_result.stdout and not run_result.stdout.endswith(b"\n"):