137 lines
5 KiB
Python
137 lines
5 KiB
Python
# -*- Python -*-
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# Common configuration for running leak detection tests under LSan/ASan.
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import os
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import re
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import lit.util
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def get_required_attr(config, attr_name):
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attr_value = getattr(config, attr_name, None)
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if attr_value == None:
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lit_config.fatal(
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"No attribute %r in test configuration! You may need to run "
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"tests from your build directory or add this attribute "
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"to lit.site.cfg.py " % attr_name
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)
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return attr_value
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Choose between standalone and LSan+(ASan|HWAsan) modes.
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lsan_lit_test_mode = get_required_attr(config, "lsan_lit_test_mode")
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target_arch = getattr(config, "target_arch", None)
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if lsan_lit_test_mode == "Standalone":
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config.name = "LeakSanitizer-Standalone"
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lsan_cflags = ["-fsanitize=leak"]
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config.available_features.add("lsan-standalone")
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elif lsan_lit_test_mode == "AddressSanitizer":
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config.name = "LeakSanitizer-AddressSanitizer"
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lsan_cflags = ["-fsanitize=address"]
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config.available_features.add("asan")
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if config.host_os == "NetBSD":
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config.substitutions.insert(0, ("%run", config.netbsd_noaslr_prefix))
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elif lsan_lit_test_mode == "HWAddressSanitizer":
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config.name = "LeakSanitizer-HWAddressSanitizer"
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lsan_cflags = ["-fsanitize=hwaddress", "-fuse-ld=lld"]
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if target_arch == "x86_64":
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lsan_cflags = lsan_cflags + ["-fsanitize-hwaddress-experimental-aliasing"]
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config.available_features.add("hwasan")
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if config.host_os == "NetBSD":
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config.substitutions.insert(0, ("%run", config.netbsd_noaslr_prefix))
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else:
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lit_config.fatal("Unknown LSan test mode: %r" % lsan_lit_test_mode)
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config.name += config.name_suffix
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# Platform-specific default LSAN_OPTIONS for lit tests.
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default_common_opts_str = ":".join(list(config.default_sanitizer_opts))
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default_lsan_opts = default_common_opts_str + ":detect_leaks=1"
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if config.host_os == "Darwin":
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# On Darwin, we default to `abort_on_error=1`, which would make tests run
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# much slower. Let's override this and run lit tests with 'abort_on_error=0'.
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# Also, make sure we do not overwhelm the syslog while testing.
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default_lsan_opts += ":abort_on_error=0"
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default_lsan_opts += ":log_to_syslog=0"
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if default_lsan_opts:
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config.environment["LSAN_OPTIONS"] = default_lsan_opts
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default_lsan_opts += ":"
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config.substitutions.append(
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("%env_lsan_opts=", "env LSAN_OPTIONS=" + default_lsan_opts)
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)
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if lit.util.which("strace"):
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config.available_features.add("strace")
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clang_cflags = ["-O0", config.target_cflags] + config.debug_info_flags
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if config.android:
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clang_cflags = clang_cflags + ["-fno-emulated-tls"]
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clang_cxxflags = config.cxx_mode_flags + clang_cflags
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lsan_incdir = config.test_source_root + "/../"
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clang_lsan_cflags = clang_cflags + lsan_cflags + ["-I%s" % lsan_incdir]
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clang_lsan_cxxflags = clang_cxxflags + lsan_cflags + ["-I%s" % lsan_incdir]
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config.clang_cflags = clang_cflags
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config.clang_cxxflags = clang_cxxflags
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def build_invocation(compile_flags):
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return " " + " ".join([config.clang] + compile_flags) + " "
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config.substitutions.append(("%clang ", build_invocation(clang_cflags)))
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config.substitutions.append(("%clangxx ", build_invocation(clang_cxxflags)))
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config.substitutions.append(("%clang_lsan ", build_invocation(clang_lsan_cflags)))
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config.substitutions.append(("%clangxx_lsan ", build_invocation(clang_lsan_cxxflags)))
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config.substitutions.append(("%clang_hwasan ", build_invocation(clang_lsan_cflags)))
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config.substitutions.append(("%clangxx_hwasan ", build_invocation(clang_lsan_cxxflags)))
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# LeakSanitizer tests are currently supported on
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# Android{aarch64, x86, x86_64}, x86-64 Linux, PowerPC64 Linux, arm Linux, mips64 Linux, s390x Linux, loongarch64 Linux and x86_64 Darwin.
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supported_android = (
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config.android
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and config.target_arch in ["x86_64", "i386", "aarch64"]
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and "android-thread-properties-api" in config.available_features
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)
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supported_linux = (
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(not config.android)
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and config.host_os == "Linux"
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and config.host_arch
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in [
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"aarch64",
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"x86_64",
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"ppc64",
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"ppc64le",
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"mips64",
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"riscv64",
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"arm",
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"armhf",
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"armv7l",
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"s390x",
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"loongarch64",
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]
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)
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supported_darwin = config.host_os == "Darwin" and config.target_arch in ["x86_64"]
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supported_netbsd = config.host_os == "NetBSD" and config.target_arch in [
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"x86_64",
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"i386",
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]
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if not (supported_android or supported_linux or supported_darwin or supported_netbsd):
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config.unsupported = True
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# Don't support Thumb due to broken fast unwinder
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if re.search("mthumb", config.target_cflags) is not None:
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config.unsupported = True
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# HWASAN tests require lld because without D65857, ld.bfd and ld.gold would
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# generate a corrupted binary. Mark them unsupported if lld is not available.
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if "hwasan" in config.available_features and not config.has_lld:
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config.unsupported = True
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config.suffixes = [".c", ".cpp", ".mm"]
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