Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1 | # -*- Python -*- |
| 2 | |
| 3 | import os |
| 4 | |
| 5 | def get_required_attr(config, attr_name): |
| 6 | attr_value = getattr(config, attr_name, None) |
| 7 | if not attr_value: |
| 8 | lit_config.fatal( |
| 9 | "No attribute %r in test configuration! You may need to run " |
| 10 | "tests from your build directory or add this attribute " |
| 11 | "to lit.site.cfg " % attr_name) |
| 12 | return attr_value |
| 13 | |
| 14 | # Setup config name. |
| 15 | config.name = 'ThreadSanitizer' |
| 16 | |
| 17 | # Setup source root. |
| 18 | config.test_source_root = os.path.dirname(__file__) |
| 19 | |
| 20 | # Setup environment variables for running ThreadSanitizer. |
| 21 | tsan_options = "atexit_sleep_ms=0" |
| 22 | |
| 23 | config.environment['TSAN_OPTIONS'] = tsan_options |
| 24 | |
| 25 | # GCC driver doesn't add necessary compile/link flags with -fsanitize=thread. |
| 26 | if config.compiler_id == 'GNU': |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 27 | extra_cflags = ["-fPIE", "-pthread", "-ldl", "-lstdc++", "-lrt", "-pie"] |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 28 | else: |
| 29 | extra_cflags = [] |
| 30 | |
| 31 | # Setup default compiler flags used with -fsanitize=thread option. |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 32 | clang_tsan_cflags = ["-fsanitize=thread", |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 33 | "-Wall", |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 34 | "-m64"] + config.debug_info_flags + extra_cflags |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 35 | clang_tsan_cxxflags = config.cxx_mode_flags + clang_tsan_cflags |
| 36 | # Add additional flags if we're using instrumented libc++. |
| 37 | if config.has_libcxx: |
| 38 | # FIXME: Dehardcode this path somehow. |
| 39 | libcxx_path = os.path.join(config.compiler_rt_obj_root, "lib", |
| 40 | "tsan", "libcxx_tsan") |
| 41 | libcxx_incdir = os.path.join(libcxx_path, "include", "c++", "v1") |
| 42 | libcxx_libdir = os.path.join(libcxx_path, "lib") |
| 43 | libcxx_so = os.path.join(libcxx_libdir, "libc++.so") |
| 44 | clang_tsan_cxxflags += ["-std=c++11", |
| 45 | "-I%s" % libcxx_incdir, |
| 46 | libcxx_so, |
| 47 | "-Wl,-rpath=%s" % libcxx_libdir] |
| 48 | |
| 49 | def build_invocation(compile_flags): |
| 50 | return " " + " ".join([config.clang] + compile_flags) + " " |
| 51 | |
| 52 | config.substitutions.append( ("%clang_tsan ", build_invocation(clang_tsan_cflags)) ) |
| 53 | config.substitutions.append( ("%clangxx_tsan ", build_invocation(clang_tsan_cxxflags)) ) |
| 54 | |
| 55 | # Define CHECK-%os to check for OS-dependent output. |
| 56 | config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os))) |
| 57 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 58 | config.substitutions.append( ("%deflake ", os.path.join(os.path.dirname(__file__), "deflake.bash")) ) |
| 59 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 60 | # Default test suffixes. |
| 61 | config.suffixes = ['.c', '.cc', '.cpp'] |
| 62 | |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 63 | # ThreadSanitizer tests are currently supported on FreeBSD and Linux only. |
| 64 | if config.host_os not in ['FreeBSD', 'Linux']: |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 65 | config.unsupported = True |