compiler-rt/test/cfi/lit.cfg.py

   1 import lit.formats
   2 import os
   3
   4 config.name = 'cfi' + config.name_suffix
   5 config.suffixes = ['.c', '.cpp', '.test']
   6 config.test_source_root = os.path.dirname(__file__)
   7
   8 def build_invocation(compile_flags):
   9   return " " + " ".join([config.clang] + compile_flags) + " "
  10
  11 clang = build_invocation([config.target_cflags])
  12 clangxx = build_invocation([config.target_cflags] + config.cxx_mode_flags)
  13
  14 config.substitutions.append((r"%clang ", clang + ' '))
  15 config.substitutions.append((r"%clangxx ", clangxx + ' '))
  16
  17 if 'darwin' in config.available_features:
  18   # -fsanitize=cfi is not supported on Darwin hosts
  19   config.unsupported = True
  20 elif config.lto_supported:
  21   clang_cfi = clang + '-fsanitize=cfi '
  22
  23   if config.cfi_lit_test_mode == "Devirt":
  24     config.available_features.add('devirt')
  25     clang_cfi += '-fwhole-program-vtables '
  26     config.substitutions.append((r"%expect_crash_unless_devirt ", ""))
  27   else:
  28     config.substitutions.append((r"%expect_crash_unless_devirt ", config.expect_crash))
  29
  30   cxx = ' '.join(config.cxx_mode_flags) + ' '
  31   diag = '-fno-sanitize-trap=cfi -fsanitize-recover=cfi '
  32   non_dso = '-fvisibility=hidden '
  33   dso = '-fsanitize-cfi-cross-dso -fvisibility=default '
  34   if config.android:
  35     dso += '-include ' + config.test_source_root + '/cross-dso/util/cfi_stubs.h '
  36   config.substitutions.append((r"%clang_cfi ", clang_cfi + non_dso))
  37   config.substitutions.append((r"%clangxx_cfi ", clang_cfi + cxx + non_dso))
  38   config.substitutions.append((r"%clang_cfi_diag ", clang_cfi + non_dso + diag))
  39   config.substitutions.append((r"%clangxx_cfi_diag ", clang_cfi + cxx + non_dso + diag))
  40   config.substitutions.append((r"%clangxx_cfi_dso ", clang_cfi + cxx + dso))
  41   config.substitutions.append((r"%clangxx_cfi_dso_diag ", clang_cfi + cxx + dso + diag))
  42   config.substitutions.append((r"%debug_info_flags", ' '.join(config.debug_info_flags)))
  43 else:
  44   config.unsupported = True
  45
  46 if config.default_sanitizer_opts:
  47   config.environment['UBSAN_OPTIONS'] = ':'.join(config.default_sanitizer_opts)
  48
  49 if lit_config.params.get('check_supported', None) and config.unsupported:
  50   raise BaseException("Tests unsupported")