1 # -*- Python -*- 2 3 # Common configuration for running leak detection tests under LSan/ASan. 4 5 import os 6 7 def 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. 17 config.test_source_root = os.path.dirname(__file__) 18 19 # Choose between standalone and LSan+ASan modes. 20 lsan_lit_test_mode = get_required_attr(config, 'lsan_lit_test_mode') 21 if lsan_lit_test_mode == "Standalone": 22 config.name = "LeakSanitizer-Standalone" 23 lsan_cflags = ["-fsanitize=leak"] 24 elif lsan_lit_test_mode == "AddressSanitizer": 25 config.name = "LeakSanitizer-AddressSanitizer" 26 lsan_cflags = ["-fsanitize=address"] 27 config.available_features.add('asan') 28 config.environment['ASAN_OPTIONS'] = 'detect_leaks=1' 29 else: 30 lit_config.fatal("Unknown LSan test mode: %r" % lsan_lit_test_mode) 31 32 clang_cflags = ["-g", "-O0", "-m64"] 33 clang_cxxflags = config.cxx_mode_flags + clang_cflags 34 clang_lsan_cflags = clang_cflags + lsan_cflags 35 clang_lsan_cxxflags = clang_cxxflags + lsan_cflags 36 37 config.clang_cflags = clang_cflags 38 config.clang_cxxflags = clang_cxxflags 39 40 def build_invocation(compile_flags): 41 return " " + " ".join([config.clang] + compile_flags) + " " 42 43 config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) ) 44 config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) ) 45 config.substitutions.append( ("%clang_lsan ", build_invocation(clang_lsan_cflags)) ) 46 config.substitutions.append( ("%clangxx_lsan ", build_invocation(clang_lsan_cxxflags)) ) 47 48 # LeakSanitizer tests are currently supported on x86-64 Linux only. 49 if config.host_os not in ['Linux'] or config.host_arch not in ['x86_64']: 50 config.unsupported = True 51 52 config.suffixes = ['.c', '.cc', '.cpp'] 53
