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

   1 # -*- Python -*-
   2
   3 import os
   4 import platform
   5 import re
   6
   7 import lit.formats
   8
   9 def get_required_attr(config, attr_name):
  10   attr_value = getattr(config, attr_name, None)
  11   if attr_value is None:
  12     lit_config.fatal(
  13       'No attribute %r in test configuration! You may need to run '
  14       'tests from your build directory or add this attribute '
  15       'to lit.site.cfg.py ' % attr_name)
  16   return attr_value
  17
  18 # Setup config name.
  19 config.name = 'AddressSanitizerABI' + config.name_suffix
  20
  21 # Platform-specific default ASAN_ABI_OPTIONS for lit tests.
  22 default_asan_abi_opts = list(config.default_sanitizer_opts)
  23
  24 default_asan_abi_opts_str = ':'.join(default_asan_abi_opts)
  25 if default_asan_abi_opts_str:
  26   config.environment['ASAN_ABI_OPTIONS'] = default_asan_abi_opts_str
  27   default_asan_abi_opts_str += ':'
  28 config.substitutions.append(('%env_asan_abi_opts=',
  29                              'env ASAN_ABI_OPTIONS=' + default_asan_abi_opts_str))
  30
  31 # Setup source root.
  32 config.test_source_root = os.path.dirname(__file__)
  33
  34 # GCC-ASan doesn't link in all the necessary libraries automatically, so
  35 # we have to do it ourselves.
  36 extra_link_flags = []
  37
  38 # Setup default compiler flags used with -fsanitize=address option.
  39 # FIXME: Review the set of required flags and check if it can be reduced.
  40 target_cflags = [get_required_attr(config, 'target_cflags')] + extra_link_flags
  41 target_cxxflags = config.cxx_mode_flags + target_cflags
  42 clang_asan_abi_static_cflags = (['-fsanitize=address',
  43                             '-fsanitize-stable-abi',
  44                             '-mno-omit-leaf-frame-pointer',
  45                             '-fno-omit-frame-pointer',
  46                             '-fno-optimize-sibling-calls'] +
  47                             config.debug_info_flags + target_cflags)
  48 clang_asan_abi_static_cxxflags = config.cxx_mode_flags + clang_asan_abi_static_cflags
  49
  50 config.available_features.add('asan_abi-static-runtime')
  51 clang_asan_abi_cflags = clang_asan_abi_static_cflags
  52 clang_asan_abi_cxxflags = clang_asan_abi_static_cxxflags
  53
  54 def build_invocation(compile_flags):
  55   return ' ' + ' '.join([config.clang] + compile_flags) + ' '
  56
  57 config.substitutions.append( ('%clang ', build_invocation(target_cflags)) )
  58 config.substitutions.append( ('%clangxx ', build_invocation(target_cxxflags)) )
  59 config.substitutions.append( ('%clang_asan_abi ', build_invocation(clang_asan_abi_cflags)) )
  60 config.substitutions.append( ('%clangxx_asan_abi ', build_invocation(clang_asan_abi_cxxflags)) )
  61
  62 libasan_abi_path = os.path.join(config.compiler_rt_libdir, 'libclang_rt.asan_abi_osx.a'.format(config.apple_platform))
  63
  64 if libasan_abi_path is not None:
  65   config.substitutions.append( ('%libasan_abi', libasan_abi_path) )
  66   config.substitutions.append( ('%clang_asan_abi_static ', build_invocation(clang_asan_abi_static_cflags)) )
  67   config.substitutions.append( ('%clangxx_asan_abi_static ', build_invocation(clang_asan_abi_static_cxxflags)) )
  68
  69 config.suffixes = ['.c', '.cpp']
  70
  71 if config.host_os == 'Darwin':
  72   config.suffixes.append('.mm')
  73 else:
  74   config.unsupported = True