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Move libcxx/test/libcxx python package into libcxx/utils/libcxx.

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This patch merges the test python package with the newly
created package in utils.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@294651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2017-02-09 23:18:11 +00:00
parent 1147753b1c
commit ed803866ea
13 changed files with 310 additions and 142 deletions
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223
utils/libcxx/test/target_info.py Normal file
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#===----------------------------------------------------------------------===//
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===//
import importlib
import lit.util # pylint: disable=import-error,no-name-in-module
import locale
import os
import platform
import sys
class DefaultTargetInfo(object):
def __init__(self, full_config):
self.full_config = full_config
def platform(self):
return sys.platform.lower().strip()
def add_locale_features(self, features):
self.full_config.lit_config.warning(
"No locales entry for target_system: %s" % self.platform())
def add_cxx_compile_flags(self, flags): pass
def add_cxx_link_flags(self, flags): pass
def configure_env(self, env): pass
def allow_cxxabi_link(self): return True
def add_sanitizer_features(self, sanitizer_type, features): pass
def use_lit_shell_default(self): return False
def test_locale(loc):
assert loc is not None
default_locale = locale.setlocale(locale.LC_ALL)
try:
locale.setlocale(locale.LC_ALL, loc)
return True
except locale.Error:
return False
finally:
locale.setlocale(locale.LC_ALL, default_locale)
def add_common_locales(features, lit_config):
# A list of locales needed by the test-suite.
# The list uses the canonical name for the locale used in the test-suite
# TODO: On Linux ISO8859 *may* needs to hyphenated.
locales = [
'en_US.UTF-8',
'fr_FR.UTF-8',
'ru_RU.UTF-8',
'zh_CN.UTF-8',
'fr_CA.ISO8859-1',
'cs_CZ.ISO8859-2'
]
for loc in locales:
if test_locale(loc):
features.add('locale.{0}'.format(loc))
else:
lit_config.warning('The locale {0} is not supported by '
'your platform. Some tests will be '
'unsupported.'.format(loc))
class DarwinLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(DarwinLocalTI, self).__init__(full_config)
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
def add_cxx_compile_flags(self, flags):
try:
out = lit.util.capture(['xcrun', '--show-sdk-path']).strip()
res = 0
except OSError:
res = -1
if res == 0 and out:
sdk_path = out
self.full_config.lit_config.note('using SDKROOT: %r' % sdk_path)
flags += ["-isysroot", sdk_path]
def add_cxx_link_flags(self, flags):
flags += ['-lSystem']
def configure_env(self, env):
library_paths = []
# Configure the library path for libc++
if self.full_config.use_system_cxx_lib:
pass
elif self.full_config.cxx_runtime_root:
library_paths += [self.full_config.cxx_runtime_root]
# Configure the abi library path
if self.full_config.abi_library_root:
library_paths += [self.full_config.abi_library_root]
if library_paths:
env['DYLD_LIBRARY_PATH'] = ':'.join(library_paths)
def allow_cxxabi_link(self):
# FIXME: PR27405
# libc++ *should* export all of the symbols found in libc++abi on OS X.
# For this reason LibcxxConfiguration will not link libc++abi in OS X.
# However __cxa_throw_bad_new_array_length doesn't get exported into
# libc++ yet so we still need to explicitly link libc++abi when testing
# libc++abi
# See PR22654.
if(self.full_config.get_lit_conf('name', '') == 'libc++abi'):
return True
# Don't link libc++abi explicitly on OS X because the symbols
# should be available in libc++ directly.
return False
def add_sanitizer_features(self, sanitizer_type, features):
if sanitizer_type == 'Undefined':
features.add('sanitizer-new-delete')
class FreeBSDLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(FreeBSDLocalTI, self).__init__(full_config)
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
def add_cxx_link_flags(self, flags):
flags += ['-lc', '-lm', '-lpthread', '-lgcc_s', '-lcxxrt']
class LinuxLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(LinuxLocalTI, self).__init__(full_config)
def platform(self):
return 'linux'
def platform_name(self):
name, _, _ = platform.linux_distribution()
name = name.lower().strip()
return name # Permitted to be None
def platform_ver(self):
_, ver, _ = platform.linux_distribution()
ver = ver.lower().strip()
return ver # Permitted to be None.
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
# Some linux distributions have different locale data than others.
# Insert the distributions name and name-version into the available
# features to allow tests to XFAIL on them.
name = self.platform_name()
ver = self.platform_ver()
if name:
features.add(name)
if name and ver:
features.add('%s-%s' % (name, ver))
def add_cxx_compile_flags(self, flags):
flags += ['-D__STDC_FORMAT_MACROS',
'-D__STDC_LIMIT_MACROS',
'-D__STDC_CONSTANT_MACROS']
def add_cxx_link_flags(self, flags):
enable_threads = ('libcpp-has-no-threads' not in
self.full_config.config.available_features)
llvm_unwinder = self.full_config.get_lit_bool('llvm_unwinder', False)
shared_libcxx = self.full_config.get_lit_bool('enable_shared', True)
flags += ['-lm']
if not llvm_unwinder:
flags += ['-lgcc_s', '-lgcc']
if enable_threads:
flags += ['-lpthread']
if not shared_libcxx:
flags += ['-lrt']
flags += ['-lc']
if llvm_unwinder:
flags += ['-lunwind', '-ldl']
else:
flags += ['-lgcc_s']
flags += ['-lgcc']
use_libatomic = self.full_config.get_lit_bool('use_libatomic', False)
if use_libatomic:
flags += ['-latomic']
san = self.full_config.get_lit_conf('use_sanitizer', '').strip()
if san:
# The libraries and their order are taken from the
# linkSanitizerRuntimeDeps function in
# clang/lib/Driver/Tools.cpp
flags += ['-lpthread', '-lrt', '-lm', '-ldl']
class WindowsLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(WindowsLocalTI, self).__init__(full_config)
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
def use_lit_shell_default(self):
# Default to the internal shell on Windows, as bash on Windows is
# usually very slow.
return True
def make_target_info(full_config):
default = "libcxx.test.target_info.LocalTI"
info_str = full_config.get_lit_conf('target_info', default)
if info_str != default:
mod_path, _, info = info_str.rpartition('.')
mod = importlib.import_module(mod_path)
target_info = getattr(mod, info)(full_config)
full_config.lit_config.note("inferred target_info as: %r" % info_str)
return target_info
target_system = platform.system()
if target_system == 'Darwin': return DarwinLocalTI(full_config)
if target_system == 'FreeBSD': return FreeBSDLocalTI(full_config)
if target_system == 'Linux': return LinuxLocalTI(full_config)
if target_system == 'Windows': return WindowsLocalTI(full_config)
return DefaultTargetInfo(full_config)