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# -*- 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.py " % attr_name
)
return attr_value
# Setup source root.
config.test_source_root = os.path.dirname(__file__)
config.name = "UBSan-Minimal-" + config.target_arch
def build_invocation(compile_flags):
return " " + " ".join([config.clang] + compile_flags) + " "
target_cflags = [get_required_attr(config, "target_cflags")]
clang_ubsan_cflags = ["-fsanitize-minimal-runtime"] + 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", ".cpp"]
# Check that the host supports UndefinedBehaviorSanitizerMinimal tests
if config.host_os not in [
"Linux",
"FreeBSD",
"NetBSD",
"Darwin",
"OpenBSD",
"SunOS",
]: # TODO: Windows
config.unsupported = True
# Don't target x86_64h if the test machine can't execute x86_64h binaries.
if "-arch x86_64h" in target_cflags and "x86_64h" not in config.available_features:
config.unsupported = True
config.available_features.add("arch=" + config.target_arch)
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