# -*- Python -*- import os import lit.util def get_required_attr(config, attr_name): attr_value = getattr(config, attr_name, None) if not attr_value: lit_config.fatal( "No attribute %r in test configuration! You may need to run " "tests from your build directory or add this attribute " "to lit.site.cfg " % attr_name) return attr_value # Setup config name. config.name = 'ThreadSanitizer' # Setup source root. config.test_source_root = os.path.dirname(__file__) def DisplayNoConfigMessage(): lit_config.fatal("No site specific configuration available! " + "Try running your test from the build tree or running " + "make check-tsan") # Figure out LLVM source root. llvm_src_root = getattr(config, 'llvm_src_root', None) if llvm_src_root is None: # We probably haven't loaded the site-specific configuration: the user # is likely trying to run a test file directly, and the site configuration # wasn't created by the build system. tsan_site_cfg = lit_config.params.get('tsan_site_config', None) if (tsan_site_cfg) and (os.path.exists(tsan_site_cfg)): lit_config.load_config(config, tsan_site_cfg) raise SystemExit # Try to guess the location of site-specific configuration using llvm-config # util that can point where the build tree is. llvm_config = lit.util.which("llvm-config", config.environment["PATH"]) if not llvm_config: DisplayNoConfigMessage() # Find out the presumed location of generated site config. llvm_obj_root = lit.util.capture(["llvm-config", "--obj-root"]).strip() tsan_site_cfg = os.path.join(llvm_obj_root, "projects", "compiler-rt", "lib", "tsan", "lit_tests", "lit.site.cfg") if (not tsan_site_cfg) or (not os.path.exists(tsan_site_cfg)): DisplayNoConfigMessage() lit_config.load_config(config, tsan_site_cfg) raise SystemExit # Setup environment variables for running ThreadSanitizer. tsan_options = "atexit_sleep_ms=0" config.environment['TSAN_OPTIONS'] = tsan_options # Setup default compiler flags used with -fsanitize=thread option. # FIXME: Review the set of required flags and check if it can be reduced. clang_tsan_cflags = ("-fsanitize=thread " + "-g " + "-Wall " + "-lpthread " + "-ldl " + "-m64 ") clang_tsan_cxxflags = "--driver-mode=g++ " + clang_tsan_cflags config.substitutions.append( ("%clangxx_tsan ", (" " + config.clang + " " + clang_tsan_cxxflags + " ")) ) config.substitutions.append( ("%clang_tsan ", (" " + config.clang + " " + clang_tsan_cflags + " ")) ) # Define CHECK-%os to check for OS-dependent output. config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os))) # Default test suffixes. config.suffixes = ['.c', '.cc', '.cpp'] # ThreadSanitizer tests are currently supported on Linux only. if config.host_os not in ['Linux']: config.unsupported = True