1# -*- Python -*- 2 3import os 4 5# Setup config name. 6config.name = 'MemorySanitizer' + getattr(config, 'name_suffix', 'default') 7 8# Setup source root. 9config.test_source_root = os.path.dirname(__file__) 10 11# Setup default compiler flags used with -fsanitize=memory option. 12clang_msan_cflags = (["-fsanitize=memory", 13 "-mno-omit-leaf-frame-pointer", 14 "-fno-omit-frame-pointer", 15 "-fno-optimize-sibling-calls"] + 16 [config.target_cflags] + 17 config.debug_info_flags) 18# Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD. 19if config.host_os == 'FreeBSD': 20 clang_msan_cflags += ["-lexecinfo"] 21clang_msan_cxxflags = config.cxx_mode_flags + clang_msan_cflags 22 23def build_invocation(compile_flags): 24 return " " + " ".join([config.clang] + compile_flags) + " " 25 26config.substitutions.append( ("%clang_msan ", build_invocation(clang_msan_cflags)) ) 27config.substitutions.append( ("%clangxx_msan ", build_invocation(clang_msan_cxxflags)) ) 28 29# Default test suffixes. 30config.suffixes = ['.c', '.cc', '.cpp'] 31 32# MemorySanitizer tests are currently supported on Linux only. 33if config.host_os not in ['Linux']: 34 config.unsupported = True 35 36if config.target_arch != 'aarch64': 37 config.available_features.add('stable-runtime') 38