src/libcompiler_builtins/compiler-rt/test/tsan/lit.cfg

   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' + config.name_suffix
  16
  17 # Setup source root.
  18 config.test_source_root = os.path.dirname(__file__)
  19
  20 # Setup environment variables for running ThreadSanitizer.
  21 default_tsan_opts = "atexit_sleep_ms=0"
  22
  23 if config.host_os == 'Darwin':
  24   # On Darwin, we default to `abort_on_error=1`, which would make tests run
  25   # much slower. Let's override this and run lit tests with 'abort_on_error=0'.
  26   default_tsan_opts += ':abort_on_error=0'
  27   # On Darwin, we default to ignore_noninstrumented_modules=1, which also
  28   # suppresses some races the tests are supposed to find. Let's run without this
  29   # setting, but turn it back on for Darwin tests (see Darwin/lit.local.cfg).
  30   default_tsan_opts += ':ignore_noninstrumented_modules=0'
  31
  32 # Platform-specific default TSAN_OPTIONS for lit tests.
  33 if default_tsan_opts:
  34   config.environment['TSAN_OPTIONS'] = default_tsan_opts
  35   default_tsan_opts += ':'
  36 config.substitutions.append(('%env_tsan_opts=',
  37                              'env TSAN_OPTIONS=' + default_tsan_opts))
  38
  39 # GCC driver doesn't add necessary compile/link flags with -fsanitize=thread.
  40 if config.compiler_id == 'GNU':
  41   extra_cflags = ["-fPIE", "-pthread", "-ldl", "-lstdc++", "-lrt", "-pie"]
  42 else:
  43   extra_cflags = []
  44
  45 tsan_incdir = config.test_source_root + "/../"
  46 # Setup default compiler flags used with -fsanitize=thread option.
  47 clang_tsan_cflags = (["-fsanitize=thread",
  48                       "-Wall"] +
  49                       [config.target_cflags] +
  50                       config.debug_info_flags +
  51                       extra_cflags +
  52                       ["-I%s" % tsan_incdir])
  53 clang_tsan_cxxflags = config.cxx_mode_flags + clang_tsan_cflags + ["-std=c++11"] + ["-I%s" % tsan_incdir]
  54 # Add additional flags if we're using instrumented libc++.
  55 # Instrumented libcxx currently not supported on Darwin.
  56 if config.has_libcxx and config.host_os != 'Darwin':
  57   # FIXME: Dehardcode this path somehow.
  58   libcxx_path = os.path.join(config.compiler_rt_obj_root, "lib",
  59                              "tsan", "libcxx_tsan_" + config.target_arch)
  60   libcxx_incdir = os.path.join(libcxx_path, "include", "c++", "v1")
  61   libcxx_libdir = os.path.join(libcxx_path, "lib")
  62   libcxx_so = os.path.join(libcxx_libdir, "libc++.so")
  63   clang_tsan_cxxflags += ["-nostdinc++",
  64                           "-I%s" % libcxx_incdir,
  65                           libcxx_so,
  66                           "-Wl,-rpath=%s" % libcxx_libdir]
  67
  68 def build_invocation(compile_flags):
  69   return " " + " ".join([config.clang] + compile_flags) + " "
  70
  71 config.substitutions.append( ("%clang_tsan ", build_invocation(clang_tsan_cflags)) )
  72 config.substitutions.append( ("%clangxx_tsan ", build_invocation(clang_tsan_cxxflags)) )
  73
  74 # Define CHECK-%os to check for OS-dependent output.
  75 config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os)))
  76
  77 config.substitutions.append( ("%deflake ", os.path.join(os.path.dirname(__file__), "deflake.bash") + " "))
  78
  79 # Default test suffixes.
  80 config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm']
  81
  82 if config.host_os not in ['FreeBSD', 'Linux', 'Darwin', 'NetBSD']:
  83   config.unsupported = True
  84
  85 if config.android:
  86   config.unsupported = True
  87
  88 if config.host_os == 'Darwin' and config.target_arch in ["x86_64", "x86_64h"]:
  89   config.parallelism_group = "darwin-64bit-sanitizer"