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'
  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 # Setup default compiler flags used with -fsanitize=thread option.
  26 # FIXME: Review the set of required flags and check if it can be reduced.
  27 clang_tsan_cflags = ["-fsanitize=thread",
  28                      "-g",
  29                      "-Wall",
  30                      "-lpthread",
  31                      "-ldl",
  32                      "-m64"]
  33 clang_tsan_cxxflags = config.cxx_mode_flags + clang_tsan_cflags
  34
  35 def build_invocation(compile_flags):
  36   return " " + " ".join([config.clang] + compile_flags) + " "
  37
  38 config.substitutions.append( ("%clang_tsan ", build_invocation(clang_tsan_cflags)) )
  39 config.substitutions.append( ("%clangxx_tsan ", build_invocation(clang_tsan_cxxflags)) )
  40
  41 # Define CHECK-%os to check for OS-dependent output.
  42 config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os)))
  43
  44 # Default test suffixes.
  45 config.suffixes = ['.c', '.cc', '.cpp']
  46
  47 # ThreadSanitizer tests are currently supported on Linux only.
  48 if config.host_os not in ['Linux']:
  49   config.unsupported = True