NonSFI mode: Enable compiling exception_test for NonSFI NaCl on ARM

tests/exception_test/nacl.scons

Index: tests/exception_test/nacl.scons
diff --git a/tests/exception_test/nacl.scons b/tests/exception_test/nacl.scons
index 00f0bd67366538f49e3f1ea1fdaaedab10d98bbf..7506a3c41294d2b2e1d37f62a479830b6398eb0d 100644
--- a/tests/exception_test/nacl.scons
+++ b/tests/exception_test/nacl.scons
@@ -8,13 +8,17 @@ Import('env')
 if not env.AllowInlineAssembly():
   Return()
 
+env.Append(CPPDEFINES=[['NONSFI_MODE',
+                        str(int(env.Bit('nonsfi_nacl')))]])
+
 test_args = {'sel_ldr_flags': ['-e', '-E', 'OUTSIDE_BROWSER=1'],
              'declares_exit_status': True}
 if env.Bit('target_arm') and env.UsingEmulator():
   test_args['sel_ldr_flags'].extend(['-E', 'UNDER_QEMU_ARM=1'])
 
 helper_files = []
-if env.Bit('target_x86'):
+if env.Bit('target_x86') and not env.Bit('nonsfi_nacl'):
+  # TODO(uekawa): Enable for Non-SFI.
   helper_files.append('direction_flag_x86.S')
 exception_test = env.ComponentProgram(
     env.ProgramNameForNmf('exception_test'),