| # -*- Python -*- |
| |
| import os |
| |
| # Setup config name. |
| config.name = 'MemorySanitizer' + getattr(config, 'name_suffix', 'default') |
| |
| # Setup source root. |
| config.test_source_root = os.path.dirname(__file__) |
| |
| # Setup default compiler flags used with -fsanitize=memory option. |
| clang_msan_cflags = (["-fsanitize=memory", |
| "-mno-omit-leaf-frame-pointer", |
| "-fno-omit-frame-pointer", |
| "-fno-optimize-sibling-calls"] + |
| [config.target_cflags] + |
| config.debug_info_flags) |
| # Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD. |
| if config.host_os == 'FreeBSD': |
| clang_msan_cflags += ["-lexecinfo"] |
| clang_msan_cxxflags = config.cxx_mode_flags + clang_msan_cflags |
| |
| def build_invocation(compile_flags): |
| return " " + " ".join([config.clang] + compile_flags) + " " |
| |
| config.substitutions.append( ("%clang_msan ", build_invocation(clang_msan_cflags)) ) |
| config.substitutions.append( ("%clangxx_msan ", build_invocation(clang_msan_cxxflags)) ) |
| |
| # Default test suffixes. |
| config.suffixes = ['.c', '.cc', '.cpp'] |
| |
| if config.host_os not in ['Linux', 'NetBSD', 'FreeBSD']: |
| config.unsupported = True |
| |
| # For mips64, mips64el we have forced store_context_size to 1 because these |
| # archs use slow unwinder which is not async signal safe. Therefore we only |
| # check the first frame since store_context size is 1. |
| if config.host_arch in ['mips64', 'mips64el']: |
| config.substitutions.append( ('CHECK-%short-stack', 'CHECK-SHORT-STACK')) |
| else: |
| config.substitutions.append( ('CHECK-%short-stack', 'CHECK-FULL-STACK')) |
