| # -*- Python -*- |
| |
| import os |
| |
| # Setup config name. |
| config.name = 'GWP-ASan' + config.name_suffix |
| |
| # Setup source root. |
| config.test_source_root = os.path.dirname(__file__) |
| |
| # Test suffixes. |
| config.suffixes = ['.c', '.cpp', '.test'] |
| |
| # C & CXX flags. |
| c_flags = ([config.target_cflags]) |
| |
| # Android doesn't want -lrt. |
| if not config.android: |
| c_flags += ["-lrt"] |
| |
| cxx_flags = (c_flags + config.cxx_mode_flags + ["-std=c++11"]) |
| |
| gwp_asan_flags = ["-fsanitize=scudo", "-g", "-fno-omit-frame-pointer", |
| "-mno-omit-leaf-frame-pointer"] |
| |
| def build_invocation(compile_flags): |
| return " " + " ".join([config.clang] + compile_flags) + " " |
| |
| # Add substitutions. |
| config.substitutions.append(("%clang ", build_invocation(c_flags))) |
| config.substitutions.append(("%clang_gwp_asan ", build_invocation(c_flags + gwp_asan_flags))) |
| config.substitutions.append(("%clangxx_gwp_asan ", build_invocation(cxx_flags + gwp_asan_flags))) |
| |
| # Platform-specific default GWP_ASAN for lit tests. Ensure that GWP-ASan is |
| # enabled and that it samples every allocation. |
| default_gwp_asan_options = 'Enabled=1:SampleRate=1' |
| |
| config.environment['GWP_ASAN_OPTIONS'] = default_gwp_asan_options |
| default_gwp_asan_options += ':' |
| config.substitutions.append(('%env_gwp_asan_options=', |
| 'env GWP_ASAN_OPTIONS=' + default_gwp_asan_options)) |
| |
| # GWP-ASan tests are currently supported on Linux only. |
| if config.host_os not in ['Linux']: |
| config.unsupported = True |