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# -*- Python -*-
# Setup source root.
config.test_source_root = os.path.join(os.path.dirname(__file__), "TestCases")
config.name = "SanitizerCommon-" + config.name_suffix
default_tool_options = []
collect_stack_traces = ""
if config.tool_name == "asan":
tool_cflags = ["-fsanitize=address"]
tool_options = "ASAN_OPTIONS"
elif config.tool_name == "hwasan":
tool_cflags = ["-fsanitize=hwaddress", "-fuse-ld=lld"]
if config.target_arch == "x86_64":
tool_cflags += ["-fsanitize-hwaddress-experimental-aliasing"]
config.available_features.add("hwasan-aliasing")
tool_options = "HWASAN_OPTIONS"
if not config.has_lld:
config.unsupported = True
elif config.tool_name == "tsan":
tool_cflags = ["-fsanitize=thread"]
tool_options = "TSAN_OPTIONS"
elif config.tool_name == "msan":
tool_cflags = ["-fsanitize=memory"]
tool_options = "MSAN_OPTIONS"
collect_stack_traces = "-fsanitize-memory-track-origins"
elif config.tool_name == "lsan":
tool_cflags = ["-fsanitize=leak"]
tool_options = "LSAN_OPTIONS"
elif config.tool_name == "ubsan":
tool_cflags = ["-fsanitize=undefined"]
tool_options = "UBSAN_OPTIONS"
else:
lit_config.fatal("Unknown tool for sanitizer_common tests: %r" % config.tool_name)
config.available_features.add(config.tool_name)
if (
config.host_os == "Linux"
and config.tool_name == "lsan"
and config.target_arch == "i386"
):
config.available_features.add("lsan-x86")
if config.arm_thumb:
config.available_features.add("thumb")
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_tool_options += ["abort_on_error=0"]
if config.tool_name == "tsan":
default_tool_options += ["ignore_interceptors_accesses=0"]
elif config.host_os == "Linux" and config.tool_name == "tsan":
# For Swift, the above also applies on Linux.
default_tool_options += ["ignore_interceptors_accesses=0"]
elif config.android:
# The same as on Darwin, we default to "abort_on_error=1" which slows down
# testing. Also, all existing tests are using "not" instead of "not --crash"
# which does not work for abort()-terminated programs.
default_tool_options += ["abort_on_error=0"]
default_tool_options_str = ":".join(default_tool_options)
if default_tool_options_str:
config.environment[tool_options] = default_tool_options_str
default_tool_options_str += ":"
extra_link_flags = []
if config.host_os in ["Linux"]:
extra_link_flags += ["-ldl"]
clang_cflags = config.debug_info_flags + tool_cflags + [config.target_cflags]
clang_cflags += ["-I%s" % os.path.dirname(os.path.dirname(__file__))]
clang_cflags += extra_link_flags
clang_cxxflags = config.cxx_mode_flags + clang_cflags
def build_invocation(compile_flags):
return " " + " ".join([config.clang] + compile_flags) + " "
config.substitutions.append(("%clang ", build_invocation(clang_cflags)))
config.substitutions.append(("%clangxx ", build_invocation(clang_cxxflags)))
config.substitutions.append(("%collect_stack_traces", collect_stack_traces))
config.substitutions.append(("%tool_name", config.tool_name))
config.substitutions.append(("%tool_options", tool_options))
config.substitutions.append(
("%env_tool_opts=", "env " + tool_options + "=" + default_tool_options_str)
)
config.suffixes = [".c", ".cpp"]
if config.host_os not in ["Linux", "Darwin", "NetBSD", "FreeBSD", "SunOS"]:
config.unsupported = True
if not config.parallelism_group:
config.parallelism_group = "shadow-memory"
# Disable LSan sanitizer_common tests
# because AppleClang doesn't support LSan.
if config.tool_name == "lsan" and config.host_os == "Darwin":
lit_config.note("LSan sanitizer_common tests disabled")
config.unsupported = True
if config.host_os == "NetBSD":
config.substitutions.insert(0, ("%run", config.netbsd_noaslr_prefix))
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