| import lit.formats |
| import os |
| |
| config.name = "cfi" + config.name_suffix |
| config.suffixes = [".c", ".cpp", ".test"] |
| config.test_source_root = os.path.dirname(__file__) |
| |
| |
| def build_invocation(compile_flags): |
| return " " + " ".join([config.clang] + compile_flags) + " " |
| |
| |
| clang = build_invocation([config.target_cflags]) |
| clangxx = build_invocation([config.target_cflags] + config.cxx_mode_flags) |
| |
| config.substitutions.append((r"%clang ", clang + " ")) |
| config.substitutions.append((r"%clangxx ", clangxx + " ")) |
| |
| if "darwin" in config.available_features: |
| # -fsanitize=cfi is not supported on Darwin hosts |
| config.unsupported = True |
| elif config.lto_supported: |
| clang_cfi = clang + "-fsanitize=cfi " |
| |
| if config.cfi_lit_test_mode == "Devirt": |
| config.available_features.add("devirt") |
| clang_cfi += "-fwhole-program-vtables " |
| config.substitutions.append((r"%expect_crash_unless_devirt ", "")) |
| else: |
| config.substitutions.append( |
| (r"%expect_crash_unless_devirt ", config.expect_crash) |
| ) |
| |
| cxx = " ".join(config.cxx_mode_flags) + " " |
| diag = "-fno-sanitize-trap=cfi -fsanitize-recover=cfi " |
| non_dso = "-fvisibility=hidden " |
| dso = "-fsanitize-cfi-cross-dso -fvisibility=default " |
| if config.android: |
| dso += "-include " + config.test_source_root + "/cross-dso/util/cfi_stubs.h " |
| config.substitutions.append((r"%clang_cfi ", clang_cfi + non_dso)) |
| config.substitutions.append((r"%clangxx_cfi ", clang_cfi + cxx + non_dso)) |
| config.substitutions.append((r"%clang_cfi_diag ", clang_cfi + non_dso + diag)) |
| config.substitutions.append( |
| (r"%clangxx_cfi_diag ", clang_cfi + cxx + non_dso + diag) |
| ) |
| config.substitutions.append((r"%clangxx_cfi_dso ", clang_cfi + cxx + dso)) |
| config.substitutions.append( |
| (r"%clangxx_cfi_dso_diag ", clang_cfi + cxx + dso + diag) |
| ) |
| config.substitutions.append( |
| (r"%debug_info_flags", " ".join(config.debug_info_flags)) |
| ) |
| else: |
| config.unsupported = True |
| |
| if config.default_sanitizer_opts: |
| config.environment["UBSAN_OPTIONS"] = ":".join(config.default_sanitizer_opts) |
| |
| if lit_config.params.get("check_supported", None) and config.unsupported: |
| raise BaseException("Tests unsupported") |