76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
# -*- Python -*-
|
|
|
|
import os
|
|
|
|
def get_required_attr(config, attr_name):
|
|
attr_value = getattr(config, attr_name, None)
|
|
if attr_value == None:
|
|
lit_config.fatal(
|
|
"No attribute %r in test configuration! You may need to run "
|
|
"tests from your build directory or add this attribute "
|
|
"to lit.site.cfg " % attr_name)
|
|
return attr_value
|
|
|
|
# Setup source root.
|
|
config.test_source_root = os.path.dirname(__file__)
|
|
|
|
default_ubsan_opts = []
|
|
# Choose between standalone and UBSan+ASan modes.
|
|
ubsan_lit_test_mode = get_required_attr(config, 'ubsan_lit_test_mode')
|
|
if ubsan_lit_test_mode == "Standalone":
|
|
config.name = 'UBSan-Standalone-' + config.target_arch
|
|
config.available_features.add("ubsan-standalone")
|
|
clang_ubsan_cflags = []
|
|
elif ubsan_lit_test_mode == "AddressSanitizer":
|
|
config.name = 'UBSan-ASan-' + config.target_arch
|
|
config.available_features.add("ubsan-asan")
|
|
clang_ubsan_cflags = ["-fsanitize=address"]
|
|
default_ubsan_opts += ['detect_leaks=0']
|
|
elif ubsan_lit_test_mode == "MemorySanitizer":
|
|
config.name = 'UBSan-MSan-' + config.target_arch
|
|
config.available_features.add("ubsan-msan")
|
|
clang_ubsan_cflags = ["-fsanitize=memory"]
|
|
elif ubsan_lit_test_mode == "ThreadSanitizer":
|
|
config.name = 'UBSan-TSan-' + config.target_arch
|
|
config.available_features.add("ubsan-tsan")
|
|
clang_ubsan_cflags = ["-fsanitize=thread"]
|
|
else:
|
|
lit_config.fatal("Unknown UBSan test mode: %r" % ubsan_lit_test_mode)
|
|
|
|
# Platform-specific default for lit tests.
|
|
if config.host_os == 'Darwin':
|
|
# On Darwin, we default to `abort_on_error=1`, which would make tests run
|
|
# much slower. Let's override this and run lit tests with 'abort_on_error=0'.
|
|
default_ubsan_opts += ['abort_on_error=0']
|
|
default_ubsan_opts += ['log_to_syslog=0']
|
|
default_ubsan_opts_str = ':'.join(default_ubsan_opts)
|
|
if default_ubsan_opts_str:
|
|
config.environment['UBSAN_OPTIONS'] = default_ubsan_opts_str
|
|
default_ubsan_opts_str += ':'
|
|
# Substitution to setup UBSAN_OPTIONS in portable way.
|
|
config.substitutions.append(('%env_ubsan_opts=',
|
|
'env UBSAN_OPTIONS=' + default_ubsan_opts_str))
|
|
|
|
def build_invocation(compile_flags):
|
|
return " " + " ".join([config.clang] + compile_flags) + " "
|
|
|
|
target_cflags = [get_required_attr(config, "target_cflags")]
|
|
clang_ubsan_cflags += target_cflags
|
|
clang_ubsan_cxxflags = config.cxx_mode_flags + clang_ubsan_cflags
|
|
|
|
# Define %clang and %clangxx substitutions to use in test RUN lines.
|
|
config.substitutions.append( ("%clang ", build_invocation(clang_ubsan_cflags)) )
|
|
config.substitutions.append( ("%clangxx ", build_invocation(clang_ubsan_cxxflags)) )
|
|
|
|
# Default test suffixes.
|
|
config.suffixes = ['.c', '.cc', '.cpp']
|
|
|
|
# Check that the host supports UndefinedBehaviorSanitizer tests
|
|
if config.host_os not in ['Linux', 'Darwin', 'FreeBSD', 'Windows']:
|
|
config.unsupported = True
|
|
|
|
# Allow tests to use REQUIRES=stable-runtime. For use when you cannot use XFAIL
|
|
# because the test hangs or fails on one configuration and not the other.
|
|
if config.target_arch.startswith('arm') == False and config.target_arch != 'aarch64':
|
|
config.available_features.add('stable-runtime')
|