Add symbol info for parameters and local variables

Rakefile

@@ -20,3 +20,19 @@ task default: ['build/boot/stage2b', 'build/boot/stage2b.s', 'boot/stage2.elna']
   diff_arguments = ['diff', '-Nur', '--text', previous_output, '-']
   Open3.pipeline(cat_arguments, compiler_arguments, diff_arguments)
 end
+
+file 'build/boot/test.s' => ['build/boot/stage1', 'boot/test.elna'] do |t|
+  source, exe = t.prerequisites.partition { |prerequisite| prerequisite.end_with? '.elna' }
+
+  File.open t.name, 'w' do |output|
+    assemble_stage output, exe, source
+  end
+end
+
+file 'build/boot/test' => ['build/boot/test.s', 'boot/common-boot.s'] do |t|
+  sh CROSS_GCC, '-nostdlib', '-o', t.name, *t.prerequisites
+end
+
+task test: 'build/boot/test' do |t|
+  sh QEMU, '-L', SYSROOT, t.prerequisites.first
+end