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 # GCC driver doesn't add necessary compile/link flags with -fsanitize=thread.
  26 if config.compiler_id == 'GNU':
  27   extra_cflags = ["-fPIE", "-lpthread", "-ldl", "-lstdc++", "-lrt", "-pie"]
  28 else:
  29   extra_cflags = []
  30
  31 # Setup default compiler flags used with -fsanitize=thread option.
  32 # FIXME: Review the set of required flags and check if it can be reduced.
  33 clang_tsan_cflags = ["-fsanitize=thread",
  34                      "-g",
  35                      "-Wall",
  36                      "-m64"] + extra_cflags
  37 clang_tsan_cxxflags = config.cxx_mode_flags + clang_tsan_cflags
  38 # Add additional flags if we're using instrumented libc++.
  39 if config.has_libcxx:
  40   # FIXME: Dehardcode this path somehow.
  41   libcxx_path = os.path.join(config.compiler_rt_obj_root, "lib",
  42                              "tsan", "libcxx_tsan")
  43   libcxx_incdir = os.path.join(libcxx_path, "include", "c++", "v1")
  44   libcxx_libdir = os.path.join(libcxx_path, "lib")
  45   libcxx_so = os.path.join(libcxx_libdir, "libc++.so")
  46   clang_tsan_cxxflags += ["-std=c++11",
  47                           "-I%s" % libcxx_incdir,
  48                           libcxx_so,
  49                           "-Wl,-rpath=%s" % libcxx_libdir]
  50
  51 def build_invocation(compile_flags):
  52   return " " + " ".join([config.clang] + compile_flags) + " "
  53
  54 config.substitutions.append( ("%clang_tsan ", build_invocation(clang_tsan_cflags)) )
  55 config.substitutions.append( ("%clangxx_tsan ", build_invocation(clang_tsan_cxxflags)) )
  56
  57 # Define CHECK-%os to check for OS-dependent output.
  58 config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os)))
  59
  60 # Default test suffixes.
  61 config.suffixes = ['.c', '.cc', '.cpp']
  62
  63 # ThreadSanitizer tests are currently supported on Linux only.
  64 if config.host_os not in ['Linux']:
  65   config.unsupported = True