1# -*- Python -*- 2 3# Common configuration for running leak detection tests under LSan/ASan. 4 5import os 6 7def get_required_attr(config, attr_name): 8 attr_value = getattr(config, attr_name, None) 9 if attr_value == None: 10 lit_config.fatal( 11 "No attribute %r in test configuration! You may need to run " 12 "tests from your build directory or add this attribute " 13 "to lit.site.cfg " % attr_name) 14 return attr_value 15 16# Setup source root. 17config.test_source_root = os.path.dirname(__file__) 18 19# Choose between standalone and LSan+ASan modes. 20lsan_lit_test_mode = get_required_attr(config, 'lsan_lit_test_mode') 21if lsan_lit_test_mode == "Standalone": 22 config.name = "LeakSanitizer-Standalone" 23 lsan_cflags = ["-fsanitize=leak"] 24elif lsan_lit_test_mode == "AddressSanitizer": 25 config.name = "LeakSanitizer-AddressSanitizer" 26 lsan_cflags = ["-fsanitize=address"] 27 config.available_features.add('asan') 28else: 29 lit_config.fatal("Unknown LSan test mode: %r" % lsan_lit_test_mode) 30config.name += config.name_suffix 31 32clang_cflags = ["-O0", config.target_cflags] + config.debug_info_flags 33clang_cxxflags = config.cxx_mode_flags + clang_cflags 34clang_lsan_cflags = clang_cflags + lsan_cflags 35clang_lsan_cxxflags = clang_cxxflags + lsan_cflags 36 37config.clang_cflags = clang_cflags 38config.clang_cxxflags = clang_cxxflags 39 40def build_invocation(compile_flags): 41 return " " + " ".join([config.clang] + compile_flags) + " " 42 43config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) ) 44config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) ) 45config.substitutions.append( ("%clang_lsan ", build_invocation(clang_lsan_cflags)) ) 46config.substitutions.append( ("%clangxx_lsan ", build_invocation(clang_lsan_cxxflags)) ) 47 48# LeakSanitizer tests are currently supported on x86-64 Linux and mips64 Linux only. 49if config.host_os not in ['Linux'] or config.host_arch not in ['x86_64', 'mips64']: 50 config.unsupported = True 51 52config.suffixes = ['.c', '.cc', '.cpp'] 53