compiler-rt/test/lsan/lit.common.cfg.py

   1 # -*- Python -*-
   2
   3 # Common configuration for running leak detection tests under LSan/ASan.
   4
   5 import os
   6 import re
   7
   8 import lit.util
   9
  10 def get_required_attr(config, attr_name):
  11   attr_value = getattr(config, attr_name, None)
  12   if attr_value == None:
  13     lit_config.fatal(
  14       "No attribute %r in test configuration! You may need to run "
  15       "tests from your build directory or add this attribute "
  16       "to lit.site.cfg.py " % attr_name)
  17   return attr_value
  18
  19 # Setup source root.
  20 config.test_source_root = os.path.dirname(__file__)
  21
  22 # Choose between standalone and LSan+ASan modes.
  23 lsan_lit_test_mode = get_required_attr(config, 'lsan_lit_test_mode')
  24
  25 if lsan_lit_test_mode == "Standalone":
  26   config.name = "LeakSanitizer-Standalone"
  27   lsan_cflags = ["-fsanitize=leak"]
  28 elif lsan_lit_test_mode == "AddressSanitizer":
  29   config.name = "LeakSanitizer-AddressSanitizer"
  30   lsan_cflags = ["-fsanitize=address"]
  31   config.available_features.add('asan')
  32   if config.host_os == 'NetBSD':
  33     config.substitutions.insert(0, ('%run', config.netbsd_noaslr_prefix))
  34 else:
  35   lit_config.fatal("Unknown LSan test mode: %r" % lsan_lit_test_mode)
  36 config.name += config.name_suffix
  37
  38 # Platform-specific default LSAN_OPTIONS for lit tests.
  39 default_common_opts_str = ':'.join(list(config.default_sanitizer_opts))
  40 default_lsan_opts = default_common_opts_str + ':detect_leaks=1'
  41 if config.host_os == 'Darwin':
  42   # On Darwin, we default to `abort_on_error=1`, which would make tests run
  43   # much slower. Let's override this and run lit tests with 'abort_on_error=0'.
  44   # Also, make sure we do not overwhelm the syslog while testing.
  45   default_lsan_opts += ':abort_on_error=0'
  46   default_lsan_opts += ':log_to_syslog=0'
  47
  48 if default_lsan_opts:
  49   config.environment['LSAN_OPTIONS'] = default_lsan_opts
  50   default_lsan_opts += ':'
  51 config.substitutions.append(('%env_lsan_opts=',
  52                              'env LSAN_OPTIONS=' + default_lsan_opts))
  53
  54 if lit.util.which('strace'):
  55   config.available_features.add('strace')
  56
  57 clang_cflags = ["-O0", config.target_cflags] + config.debug_info_flags
  58 if config.android:
  59   clang_cflags = clang_cflags + ["-fno-emulated-tls"]
  60 clang_cxxflags = config.cxx_mode_flags + clang_cflags
  61 lsan_incdir = config.test_source_root + "/../"
  62 clang_lsan_cflags = clang_cflags + lsan_cflags + ["-I%s" % lsan_incdir]
  63 clang_lsan_cxxflags = clang_cxxflags + lsan_cflags + ["-I%s" % lsan_incdir]
  64
  65 config.clang_cflags = clang_cflags
  66 config.clang_cxxflags = clang_cxxflags
  67
  68 def build_invocation(compile_flags):
  69   return " " + " ".join([config.clang] + compile_flags) + " "
  70
  71 config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
  72 config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
  73 config.substitutions.append( ("%clang_lsan ", build_invocation(clang_lsan_cflags)) )
  74 config.substitutions.append( ("%clangxx_lsan ", build_invocation(clang_lsan_cxxflags)) )
  75
  76 # LeakSanitizer tests are currently supported on
  77 # Android{aarch64, x86, x86_64}, x86-64 Linux, PowerPC64 Linux, arm Linux, mips64 Linux, s390x Linux and x86_64 Darwin.
  78 supported_android = config.android and config.target_arch in ['x86_64', 'i386', 'aarch64'] and 'android-thread-properties-api' in config.available_features
  79 supported_linux = (not config.android) and config.host_os == 'Linux' and config.host_arch in ['aarch64', 'x86_64', 'ppc64', 'ppc64le', 'mips64', 'riscv64', 'arm', 'armhf', 'armv7l', 's390x']
  80 supported_darwin = config.host_os == 'Darwin' and config.target_arch in ['x86_64']
  81 supported_netbsd = config.host_os == 'NetBSD' and config.target_arch in ['x86_64', 'i386']
  82 if not (supported_android or supported_linux or supported_darwin or supported_netbsd):
  83   config.unsupported = True
  84
  85 # Don't support Thumb due to broken fast unwinder
  86 if re.search('mthumb', config.target_cflags) is not None:
  87   config.unsupported = True
  88
  89 config.suffixes = ['.c', '.cpp', '.mm']