| #===----------------------------------------------------------------------===## |
| # |
| # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| # See https://llvm.org/LICENSE.txt for license information. |
| # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| # |
| #===----------------------------------------------------------------------===## |
| import os |
| import sys |
| |
| from libcxx.test.config import Configuration as LibcxxConfiguration |
| |
| |
| class Configuration(LibcxxConfiguration): |
| # pylint: disable=redefined-outer-name |
| def __init__(self, lit_config, config): |
| super(Configuration, self).__init__(lit_config, config) |
| self.libunwind_src_root = None |
| self.libunwind_obj_root = None |
| self.abi_library_root = None |
| self.libcxx_src_root = None |
| |
| def configure_src_root(self): |
| self.libunwind_src_root = (self.get_lit_conf('libunwind_src_root') |
| or os.path.dirname(self.config.test_source_root)) |
| self.libcxx_src_root = (self.get_lit_conf('libcxx_src_root') |
| or os.path.join(self.libunwind_src_root, '..', 'libcxx')) |
| |
| def configure_obj_root(self): |
| self.libunwind_obj_root = self.get_lit_conf('libunwind_obj_root') |
| super(Configuration, self).configure_obj_root() |
| |
| def has_cpp_feature(self, feature, required_value): |
| return int(self.cxx.dumpMacros().get('__cpp_' + feature, 0)) >= required_value |
| |
| def configure_features(self): |
| super(Configuration, self).configure_features() |
| if self.get_lit_bool('arm_ehabi', False): |
| self.config.available_features.add('libunwind-arm-ehabi') |
| |
| def configure_compile_flags(self): |
| # Stack unwinding tests need unwinding tables and these are not |
| # generated by default on all Targets. |
| self.cxx.compile_flags += ['-funwind-tables'] |
| # Make symbols available in the tests. |
| triple = self.get_lit_conf('target_triple', None) |
| if triple is not None and 'linux' in triple: |
| self.cxx.link_flags += ['-Wl,--export-dynamic'] |
| if not self.get_lit_bool('enable_threads', True): |
| self.cxx.compile_flags += ['-D_LIBUNWIND_HAS_NO_THREADS'] |
| self.config.available_features.add('libunwind-no-threads') |
| if self.get_lit_bool('x86_cet', False): |
| self.cxx.compile_flags += ['-fcf-protection=full'] |
| super(Configuration, self).configure_compile_flags() |
| |
| def configure_compile_flags_header_includes(self): |
| libunwind_headers = self.get_lit_conf( |
| 'libunwind_headers', |
| os.path.join(self.libunwind_src_root, 'include')) |
| if not os.path.isdir(libunwind_headers): |
| self.lit_config.fatal("libunwind_headers='%s' is not a directory." |
| % libunwind_headers) |
| self.cxx.compile_flags += ['-I' + libunwind_headers] |
| |
| def configure_link_flags_cxx_library(self): |
| # libunwind tests should not link with libc++ |
| pass |
| |
| def configure_link_flags_abi_library(self): |
| # libunwind tests should not link with libc++abi |
| pass |
