Add call pseudo instruction

rakelib/tester.rake

@@ -5,32 +5,47 @@ require_relative 'shared'
 CLEAN.include(TMP + 'riscv')
 
 LINKER = 'build/rootfs/riscv32-unknown-linux-gnu/bin/ld'
+AS = 'build/rootfs/riscv32-unknown-linux-gnu/bin/as'
 
 namespace :test do
-  test_sources = FileList['tests/vm/*.elna']
+  test_sources = FileList['tests/vm/*.elna', 'tests/vm/*.s']
   compiler = `cabal list-bin elna`.strip
   object_directory = TMP + 'riscv/tests'
   root_directory = TMP + 'riscv/root'
   executable_directory = root_directory + 'tests'
   expectation_directory = root_directory + 'expectations'
   init = TMP + 'riscv/root/init'
+  builtin = TMP + 'riscv/builtin.o'
 
   directory root_directory
   directory object_directory
   directory executable_directory
   directory expectation_directory
 
+  file builtin => ['tools/builtin.s', object_directory] do |task|
+    sh AS, '-o', task.name, task.prerequisites.first
+  end
+
   test_files = test_sources.flat_map do |test_source|
-    test_basename = File.basename(test_source, '.elna')
+    test_basename = File.basename(test_source, '.*')
     test_object = object_directory + test_basename.ext('.o')
 
-    file test_object => [test_source, object_directory] do
-      sh compiler, '--output', test_object.to_path, test_source
+    file test_object => [test_source, object_directory] do |task|
+      case File.extname(task.prerequisites.first)
+      when '.s'
+        sh AS, '-mno-relax', '-o', task.name, task.prerequisites.first
+      when '.elna'
+        sh compiler, '--output', task.name, task.prerequisites.first
+      else
+        raise "Unknown source file extension #{task.prerequisites.first}"
+      end
     end
     test_executable = executable_directory + test_basename
 
-    file test_executable => [test_object, executable_directory] do
-      sh LINKER, '-o', test_executable.to_path, test_object.to_path
+    file test_executable => [test_object, executable_directory, builtin] do |task|
+      objects = task.prerequisites.filter { |prerequisite| File.file? prerequisite }
+
+      sh LINKER, '-o', test_executable.to_path, *objects
     end
     expectation_name = test_basename.ext '.txt'
     source_expectation = "tests/expectations/#{expectation_name}"