1# -*- Python -*- 2 3import os 4 5def get_required_attr(config, attr_name): 6 attr_value = getattr(config, attr_name, None) 7 if not attr_value: 8 lit.fatal("No attribute %r in test configuration! You may need to run " 9 "tests from your build directory or add this attribute " 10 "to lit.site.cfg " % attr_name) 11 return attr_value 12 13# Setup config name. 14config.name = 'ThreadSanitizer-Unit' 15 16# Setup test source and exec root. For unit tests, we define 17# it as build directory with TSan unit tests. 18llvm_obj_root = get_required_attr(config, "llvm_obj_root") 19config.test_exec_root = os.path.join(llvm_obj_root, "projects", 20 "compiler-rt", "lib", 21 "tsan", "tests") 22config.test_source_root = config.test_exec_root 23 24# Get path to external LLVM symbolizer to run ThreadSanitizer unit tests. 25llvm_tools_dir = getattr(config, 'llvm_tools_dir', None) 26if llvm_tools_dir: 27 llvm_symbolizer_path = os.path.join(llvm_tools_dir, "llvm-symbolizer") 28 config.environment['TSAN_OPTIONS'] = ("external_symbolizer_path=" + 29 llvm_symbolizer_path) 30 31