Make pnacl_generate_pexe=0 nonsfi_nacl=1 bitcode=1 work.

tests/exception_test/nacl.scons

 # -*- python -*-
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 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'),
     ['exception_test.c'] + helper_files,
     EXTRA_LIBS=['${NONIRT_LIBS}', '${PTHREAD_LIBS}', '${TESTRUNNER_LIBS}',
                 '${EXCEPTION_LIBS}', 'test_common'])
 
 node = env.CommandSelLdrTestNacl(
     'exception_test.out', exception_test, **test_args)
 env.AddNodeToTestSuite(
@@ skipping 25 matching lines @@
     'exceptions_disabled_test',
     ['exceptions_disabled_test.c'],
     EXTRA_LIBS=['${NONIRT_LIBS}', '${EXCEPTION_LIBS}'])
 node = env.CommandSelLdrTestNacl(
     'exceptions_disabled_test.out',
     exceptions_disabled_test, [],
     declares_exit_status=True)
 env.AddNodeToTestSuite(
     node, ['small_tests', 'exception_tests'],
     'run_exceptions_disabled_test')