90 lines
3.8 KiB
Python
90 lines
3.8 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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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 modes.
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lsan_lit_test_mode = get_required_attr(config, 'lsan_lit_test_mode')
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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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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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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(('%env_lsan_opts=',
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'env LSAN_OPTIONS=' + default_lsan_opts))
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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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# 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 and x86_64 Darwin.
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supported_android = config.android and config.target_arch in ['x86_64', 'i386', 'aarch64'] and 'android-thread-properties-api' in config.available_features
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supported_linux = (not config.android) and config.host_os == 'Linux' and config.host_arch in ['aarch64', 'x86_64', 'ppc64', 'ppc64le', 'mips64', 'riscv64', 'arm', 'armhf', 'armv7l', 's390x']
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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 ['x86_64', 'i386']
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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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config.suffixes = ['.c', '.cpp', '.mm']
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