e93e0347a6
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@226576 91177308-0d34-0410-b5e6-96231b3b80d8
476 lines
20 KiB
Python
476 lines
20 KiB
Python
import locale
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import os
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import platform
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import re
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import shlex
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import sys
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import lit.Test # pylint: disable=import-error,no-name-in-module
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import lit.util # pylint: disable=import-error,no-name-in-module
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from libcxx.test.format import LibcxxTestFormat
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from libcxx.compiler import CXXCompiler
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class Configuration(object):
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# pylint: disable=redefined-outer-name
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def __init__(self, lit_config, config):
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self.lit_config = lit_config
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self.config = config
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self.cxx = None
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self.libcxx_src_root = None
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self.obj_root = None
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self.cxx_library_root = None
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self.env = {}
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self.use_system_cxx_lib = False
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self.use_clang_verify = False
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self.long_tests = None
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if platform.system() not in ('Darwin', 'FreeBSD', 'Linux'):
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self.lit_config.fatal("unrecognized system")
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def get_lit_conf(self, name, default=None):
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val = self.lit_config.params.get(name, None)
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if val is None:
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val = getattr(self.config, name, None)
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if val is None:
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val = default
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return val
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def get_lit_bool(self, name, default=None):
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conf = self.get_lit_conf(name)
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if conf is None:
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return default
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if conf.lower() in ('1', 'true'):
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return True
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if conf.lower() in ('', '0', 'false'):
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return False
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self.lit_config.fatal(
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"parameter '{}' should be true or false".format(name))
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def configure(self):
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self.configure_cxx()
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self.configure_triple()
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self.configure_src_root()
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self.configure_obj_root()
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self.configure_cxx_library_root()
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self.configure_use_system_cxx_lib()
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self.configure_use_clang_verify()
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self.configure_ccache()
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self.configure_env()
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self.configure_compile_flags()
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self.configure_link_flags()
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self.configure_sanitizer()
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self.configure_features()
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def print_config_info(self):
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# Print the final compile and link flags.
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self.lit_config.note('Using compiler: %s' % self.cxx.path)
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self.lit_config.note('Using flags: %s' % self.cxx.flags)
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self.lit_config.note('Using compile flags: %s' % self.cxx.compile_flags)
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self.lit_config.note('Using link flags: %s' % self.cxx.link_flags)
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# Print as list to prevent "set([...])" from being printed.
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self.lit_config.note('Using available_features: %s' %
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list(self.config.available_features))
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self.lit_config.note('Using environment: %r' % self.env)
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def get_test_format(self):
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return LibcxxTestFormat(
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self.cxx,
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self.use_clang_verify,
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exec_env=self.env)
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def configure_cxx(self):
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# Gather various compiler parameters.
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cxx = self.get_lit_conf('cxx_under_test')
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# If no specific cxx_under_test was given, attempt to infer it as
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# clang++.
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if cxx is None:
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clangxx = lit.util.which('clang++',
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self.config.environment['PATH'])
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if clangxx:
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cxx = clangxx
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self.lit_config.note(
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"inferred cxx_under_test as: %r" % cxx)
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if not cxx:
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self.lit_config.fatal('must specify user parameter cxx_under_test '
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'(e.g., --param=cxx_under_test=clang++)')
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self.cxx = CXXCompiler(cxx)
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cxx_type = self.cxx.type
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if cxx_type is not None:
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assert self.cxx.version is not None
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maj_v, min_v, _ = self.cxx.version
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self.config.available_features.add(cxx_type)
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self.config.available_features.add('%s-%s.%s' % (
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cxx_type, maj_v, min_v))
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def configure_src_root(self):
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self.libcxx_src_root = self.get_lit_conf(
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'libcxx_src_root', os.path.dirname(self.config.test_source_root))
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def configure_obj_root(self):
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self.obj_root = self.get_lit_conf('libcxx_obj_root',
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self.libcxx_src_root)
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def configure_cxx_library_root(self):
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self.cxx_library_root = self.get_lit_conf('cxx_library_root',
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self.obj_root)
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def configure_use_system_cxx_lib(self):
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# This test suite supports testing against either the system library or
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# the locally built one; the former mode is useful for testing ABI
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# compatibility between the current headers and a shipping dynamic
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# library.
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self.use_system_cxx_lib = self.get_lit_bool('use_system_cxx_lib')
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if self.use_system_cxx_lib is None:
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# Default to testing against the locally built libc++ library.
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self.use_system_cxx_lib = False
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self.lit_config.note(
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"inferred use_system_cxx_lib as: %r" % self.use_system_cxx_lib)
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def configure_use_clang_verify(self):
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'''If set, run clang with -verify on failing tests.'''
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self.use_clang_verify = self.get_lit_bool('use_clang_verify')
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if self.use_clang_verify is None:
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# TODO: Default this to True when using clang.
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self.use_clang_verify = False
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self.lit_config.note(
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"inferred use_clang_verify as: %r" % self.use_clang_verify)
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def configure_ccache(self):
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use_ccache = self.get_lit_bool('use_ccache', False)
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if use_ccache:
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self.cxx.use_ccache = True
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self.lit_config.note('enabling ccache')
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def configure_features(self):
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additional_features = self.get_lit_conf('additional_features')
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if additional_features:
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for f in additional_features.split(','):
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self.config.available_features.add(f.strip())
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# Figure out which of the required locales we support
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locales = {
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'Darwin': {
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'en_US.UTF-8': 'en_US.UTF-8',
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'cs_CZ.ISO8859-2': 'cs_CZ.ISO8859-2',
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'fr_FR.UTF-8': 'fr_FR.UTF-8',
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'fr_CA.ISO8859-1': 'cs_CZ.ISO8859-1',
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'ru_RU.UTF-8': 'ru_RU.UTF-8',
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'zh_CN.UTF-8': 'zh_CN.UTF-8',
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},
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'FreeBSD': {
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'en_US.UTF-8': 'en_US.UTF-8',
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'cs_CZ.ISO8859-2': 'cs_CZ.ISO8859-2',
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'fr_FR.UTF-8': 'fr_FR.UTF-8',
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'fr_CA.ISO8859-1': 'fr_CA.ISO8859-1',
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'ru_RU.UTF-8': 'ru_RU.UTF-8',
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'zh_CN.UTF-8': 'zh_CN.UTF-8',
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},
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'Linux': {
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'en_US.UTF-8': 'en_US.UTF-8',
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'cs_CZ.ISO8859-2': 'cs_CZ.ISO-8859-2',
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'fr_FR.UTF-8': 'fr_FR.UTF-8',
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'fr_CA.ISO8859-1': 'fr_CA.ISO-8859-1',
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'ru_RU.UTF-8': 'ru_RU.UTF-8',
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'zh_CN.UTF-8': 'zh_CN.UTF-8',
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},
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'Windows': {
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'en_US.UTF-8': 'English_United States.1252',
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'cs_CZ.ISO8859-2': 'Czech_Czech Republic.1250',
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'fr_FR.UTF-8': 'French_France.1252',
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'fr_CA.ISO8859-1': 'French_Canada.1252',
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'ru_RU.UTF-8': 'Russian_Russia.1251',
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'zh_CN.UTF-8': 'Chinese_China.936',
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},
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}
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default_locale = locale.setlocale(locale.LC_ALL)
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for feature, loc in locales[platform.system()].items():
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try:
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locale.setlocale(locale.LC_ALL, loc)
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self.config.available_features.add(
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'locale.{0}'.format(feature))
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except locale.Error:
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self.lit_config.warning('The locale {0} is not supported by '
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'your platform. Some tests will be '
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'unsupported.'.format(loc))
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locale.setlocale(locale.LC_ALL, default_locale)
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# Write an "available feature" that combines the triple when
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# use_system_cxx_lib is enabled. This is so that we can easily write
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# XFAIL markers for tests that are known to fail with versions of
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# libc++ as were shipped with a particular triple.
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if self.use_system_cxx_lib:
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self.config.available_features.add(
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'with_system_cxx_lib=%s' % self.config.target_triple)
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# Some linux distributions have different locale data than others.
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# Insert the distributions name and name-version into the available
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# features to allow tests to XFAIL on them.
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if sys.platform.startswith('linux'):
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name, ver, _ = platform.linux_distribution()
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name = name.lower().strip()
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ver = ver.lower().strip()
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if name:
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self.config.available_features.add(name)
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if name and ver:
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self.config.available_features.add('%s-%s' % (name, ver))
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# Simulator testing can take a really long time for some of these tests
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# so add a feature check so we can REQUIRES: long_tests in them
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self.long_tests = self.get_lit_bool('long_tests')
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if self.long_tests is None:
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# Default to running long tests.
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self.long_tests = True
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self.lit_config.note(
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"inferred long_tests as: %r" % self.long_tests)
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if self.long_tests:
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self.config.available_features.add('long_tests')
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def configure_compile_flags(self):
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no_default_flags = self.get_lit_bool('no_default_flags', False)
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if not no_default_flags:
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self.configure_default_compile_flags()
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# Configure extra flags
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compile_flags_str = self.get_lit_conf('compile_flags', '')
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self.cxx.compile_flags += shlex.split(compile_flags_str)
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def configure_default_compile_flags(self):
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# Try and get the std version from the command line. Fall back to
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# default given in lit.site.cfg is not present. If default is not
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# present then force c++11.
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std = self.get_lit_conf('std', 'c++11')
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self.cxx.compile_flags += ['-std={0}'.format(std)]
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self.config.available_features.add(std)
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# Configure include paths
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self.cxx.compile_flags += ['-nostdinc++']
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self.configure_compile_flags_header_includes()
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if sys.platform.startswith('linux'):
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self.cxx.compile_flags += ['-D__STDC_FORMAT_MACROS',
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'-D__STDC_LIMIT_MACROS',
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'-D__STDC_CONSTANT_MACROS']
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# Configure feature flags.
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self.configure_compile_flags_exceptions()
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self.configure_compile_flags_rtti()
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enable_32bit = self.get_lit_bool('enable_32bit', False)
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if enable_32bit:
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self.cxx.flags += ['-m32']
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# Configure threading features.
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enable_threads = self.get_lit_bool('enable_threads', True)
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enable_monotonic_clock = self.get_lit_bool('enable_monotonic_clock',
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True)
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if not enable_threads:
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self.configure_compile_flags_no_threads()
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if not enable_monotonic_clock:
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self.configure_compile_flags_no_monotonic_clock()
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elif not enable_monotonic_clock:
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self.lit_config.fatal('enable_monotonic_clock cannot be false when'
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' enable_threads is true.')
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# Use verbose output for better errors
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self.cxx.flags += ['-v']
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sysroot = self.get_lit_conf('sysroot')
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if sysroot:
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self.cxx.flags += ['--sysroot', sysroot]
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gcc_toolchain = self.get_lit_conf('gcc_toolchain')
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if gcc_toolchain:
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self.cxx.flags += ['-gcc-toolchain', gcc_toolchain]
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self.cxx.flags += ['-target', self.config.target_triple]
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def configure_compile_flags_header_includes(self):
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self.cxx.compile_flags += ['-I' + self.libcxx_src_root + '/test/support']
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libcxx_headers = self.get_lit_conf('libcxx_headers',
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self.libcxx_src_root + '/include')
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if not os.path.isdir(libcxx_headers):
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self.lit_config.fatal("libcxx_headers='%s' is not a directory."
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% libcxx_headers)
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self.cxx.compile_flags += ['-I' + libcxx_headers]
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def configure_compile_flags_exceptions(self):
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enable_exceptions = self.get_lit_bool('enable_exceptions', True)
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if enable_exceptions:
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self.config.available_features.add('exceptions')
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else:
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self.cxx.compile_flags += ['-fno-exceptions']
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def configure_compile_flags_rtti(self):
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enable_rtti = self.get_lit_bool('enable_rtti', True)
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if enable_rtti:
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self.config.available_features.add('rtti')
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else:
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self.cxx.compile_flags += ['-fno-rtti', '-D_LIBCPP_NO_RTTI']
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def configure_compile_flags_no_threads(self):
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self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_THREADS']
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self.config.available_features.add('libcpp-has-no-threads')
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def configure_compile_flags_no_monotonic_clock(self):
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self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_MONOTONIC_CLOCK']
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self.config.available_features.add('libcpp-has-no-monotonic-clock')
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def configure_link_flags(self):
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no_default_flags = self.get_lit_bool('no_default_flags', False)
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if not no_default_flags:
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self.cxx.link_flags += ['-nodefaultlibs']
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# Configure library path
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self.configure_link_flags_cxx_library_path()
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self.configure_link_flags_abi_library_path()
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# Configure libraries
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self.configure_link_flags_cxx_library()
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self.configure_link_flags_abi_library()
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self.configure_extra_library_flags()
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link_flags_str = self.get_lit_conf('link_flags', '')
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self.cxx.link_flags += shlex.split(link_flags_str)
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def configure_link_flags_cxx_library_path(self):
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libcxx_library = self.get_lit_conf('libcxx_library')
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# Configure libc++ library paths.
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if libcxx_library is not None:
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# Check that the given value for libcxx_library is valid.
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if not os.path.isfile(libcxx_library):
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self.lit_config.fatal(
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"libcxx_library='%s' is not a valid file." %
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libcxx_library)
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if self.use_system_cxx_lib:
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self.lit_config.fatal(
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"Conflicting options: 'libcxx_library' cannot be used "
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"with 'use_system_cxx_lib=true'")
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self.cxx.link_flags += ['-Wl,-rpath,' +
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os.path.dirname(libcxx_library)]
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elif not self.use_system_cxx_lib:
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self.cxx.link_flags += ['-L' + self.cxx_library_root,
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'-Wl,-rpath,' + self.cxx_library_root]
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def configure_link_flags_abi_library_path(self):
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# Configure ABI library paths.
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abi_library_path = self.get_lit_conf('abi_library_path', '')
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if abi_library_path:
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self.cxx.link_flags += ['-L' + abi_library_path,
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'-Wl,-rpath,' + abi_library_path]
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def configure_link_flags_cxx_library(self):
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libcxx_library = self.get_lit_conf('libcxx_library')
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if libcxx_library:
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self.cxx.link_flags += [libcxx_library]
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else:
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self.cxx.link_flags += ['-lc++']
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def configure_link_flags_abi_library(self):
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cxx_abi = self.get_lit_conf('cxx_abi', 'libcxxabi')
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if cxx_abi == 'libstdc++':
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self.cxx.link_flags += ['-lstdc++']
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elif cxx_abi == 'libsupc++':
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self.cxx.link_flags += ['-lsupc++']
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elif cxx_abi == 'libcxxabi':
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self.cxx.link_flags += ['-lc++abi']
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elif cxx_abi == 'libcxxrt':
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self.cxx.link_flags += ['-lcxxrt']
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elif cxx_abi == 'none':
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pass
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else:
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self.lit_config.fatal(
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'C++ ABI setting %s unsupported for tests' % cxx_abi)
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def configure_extra_library_flags(self):
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enable_threads = self.get_lit_bool('enable_threads', True)
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llvm_unwinder = self.get_lit_conf('llvm_unwinder', False)
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if sys.platform == 'darwin':
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self.cxx.link_flags += ['-lSystem']
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elif sys.platform.startswith('linux'):
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if not llvm_unwinder:
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self.cxx.link_flags += ['-lgcc_eh']
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self.cxx.link_flags += ['-lc', '-lm']
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if enable_threads:
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self.cxx.link_flags += ['-lpthread']
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self.cxx.link_flags += ['-lrt']
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if llvm_unwinder:
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self.cxx.link_flags += ['-lunwind', '-ldl']
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else:
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self.cxx.link_flags += ['-lgcc_s']
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elif sys.platform.startswith('freebsd'):
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self.cxx.link_flags += ['-lc', '-lm', '-pthread', '-lgcc_s']
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else:
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self.lit_config.fatal("unrecognized system: %r" % sys.platform)
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def configure_sanitizer(self):
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san = self.get_lit_conf('use_sanitizer', '').strip()
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if san:
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# Search for llvm-symbolizer along the compiler path first
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# and then along the PATH env variable.
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symbolizer_search_paths = os.environ.get('PATH', '')
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cxx_path = lit.util.which(self.cxx.path)
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if cxx_path is not None:
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symbolizer_search_paths = (
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os.path.dirname(cxx_path) +
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os.pathsep + symbolizer_search_paths)
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llvm_symbolizer = lit.util.which('llvm-symbolizer',
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symbolizer_search_paths)
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# Setup the sanitizer compile flags
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self.cxx.flags += ['-g', '-fno-omit-frame-pointer']
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if sys.platform.startswith('linux'):
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self.cxx.link_flags += ['-ldl']
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if san == 'Address':
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self.cxx.flags += ['-fsanitize=address']
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if llvm_symbolizer is not None:
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self.env['ASAN_SYMBOLIZER_PATH'] = llvm_symbolizer
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self.config.available_features.add('asan')
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elif san == 'Memory' or san == 'MemoryWithOrigins':
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self.cxx.flags += ['-fsanitize=memory']
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if san == 'MemoryWithOrigins':
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self.cxx.compile_flags += ['-fsanitize-memory-track-origins']
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if llvm_symbolizer is not None:
|
|
self.env['MSAN_SYMBOLIZER_PATH'] = llvm_symbolizer
|
|
self.config.available_features.add('msan')
|
|
elif san == 'Undefined':
|
|
self.cxx.flags += ['-fsanitize=undefined',
|
|
'-fno-sanitize=vptr,function',
|
|
'-fno-sanitize-recover']
|
|
self.cxx.compile_flags += ['-O3']
|
|
self.config.available_features.add('ubsan')
|
|
elif san == 'Thread':
|
|
self.cxx.flags += ['-fsanitize=thread']
|
|
self.config.available_features.add('tsan')
|
|
else:
|
|
self.lit_config.fatal('unsupported value for '
|
|
'use_sanitizer: {0}'.format(san))
|
|
|
|
def configure_triple(self):
|
|
# Get or infer the target triple.
|
|
self.config.target_triple = self.get_lit_conf('target_triple')
|
|
# If no target triple was given, try to infer it from the compiler
|
|
# under test.
|
|
if not self.config.target_triple:
|
|
target_triple = self.cxx.getTriple()
|
|
# Drop sub-major version components from the triple, because the
|
|
# current XFAIL handling expects exact matches for feature checks.
|
|
# Example: x86_64-apple-darwin14.0.0 -> x86_64-apple-darwin14
|
|
# The 5th group handles triples greater than 3 parts
|
|
# (ex x86_64-pc-linux-gnu).
|
|
target_triple = re.sub(r'([^-]+)-([^-]+)-([^.]+)([^-]*)(.*)',
|
|
r'\1-\2-\3\5', target_triple)
|
|
# linux-gnu is needed in the triple to properly identify linuxes
|
|
# that use GLIBC. Handle redhat and opensuse triples as special
|
|
# cases and append the missing `-gnu` portion.
|
|
if target_triple.endswith('redhat-linux') or \
|
|
target_triple.endswith('suse-linux'):
|
|
target_triple += '-gnu'
|
|
self.config.target_triple = target_triple
|
|
self.lit_config.note(
|
|
"inferred target_triple as: %r" % self.config.target_triple)
|
|
|
|
def configure_env(self):
|
|
if sys.platform == 'darwin' and not self.use_system_cxx_lib:
|
|
libcxx_library = self.get_lit_conf('libcxx_library')
|
|
if libcxx_library:
|
|
cxx_library_root = os.path.dirname(libcxx_library)
|
|
else:
|
|
cxx_library_root = self.cxx_library_root
|
|
self.env['DYLD_LIBRARY_PATH'] = cxx_library_root
|