1# -*- Python -*-
2
3import os
4
5def get_required_attr(config, attr_name):
6  attr_value = getattr(config, attr_name, None)
7  if attr_value == None:
8    lit_config.fatal(
9      "No attribute %r in test configuration! You may need to run "
10      "tests from your build directory or add this attribute "
11      "to lit.site.cfg.py " % attr_name)
12  return attr_value
13
14# Setup source root.
15config.test_source_root = os.path.dirname(__file__)
16config.name = 'UBSan-Minimal-' + config.target_arch
17
18def build_invocation(compile_flags):
19  return " " + " ".join([config.clang] + compile_flags) + " "
20
21target_cflags = [get_required_attr(config, "target_cflags")]
22clang_ubsan_cflags = ["-fsanitize-minimal-runtime"] + target_cflags
23clang_ubsan_cxxflags = config.cxx_mode_flags + clang_ubsan_cflags
24
25# Define %clang and %clangxx substitutions to use in test RUN lines.
26config.substitutions.append( ("%clang ", build_invocation(clang_ubsan_cflags)) )
27config.substitutions.append( ("%clangxx ", build_invocation(clang_ubsan_cxxflags)) )
28
29# Default test suffixes.
30config.suffixes = ['.c', '.cpp']
31
32# Check that the host supports UndefinedBehaviorSanitizerMinimal tests
33if config.host_os not in ['Linux', 'FreeBSD', 'NetBSD', 'Darwin', 'OpenBSD', 'SunOS']: # TODO: Windows
34  config.unsupported = True
35
36# Don't target x86_64h if the test machine can't execute x86_64h binaries.
37if '-arch x86_64h' in target_cflags and 'x86_64h' not in config.available_features:
38  config.unsupported = True
39
40config.available_features.add('arch=' + config.target_arch)
41