| import lit.formats |
| import sys |
| import os |
| |
| config.name = "LLVMFuzzer" |
| config.test_format = lit.formats.ShTest(True) |
| config.suffixes = ['.test'] |
| config.test_source_root = os.path.dirname(__file__) |
| |
| # Choose between lit's internal shell pipeline runner and a real shell. If |
| # LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override. |
| use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL") |
| if use_lit_shell: |
| # 0 is external, "" is default, and everything else is internal. |
| execute_external = (use_lit_shell == "0") |
| else: |
| # Otherwise we default to internal on Windows and external elsewhere, as |
| # bash on Windows is usually very slow. |
| execute_external = (not sys.platform in ['win32']) |
| |
| # testFormat: The test format to use to interpret tests. |
| # |
| # For now we require '&&' between commands, until they get globally killed and |
| # the test runner updated. |
| config.test_format = lit.formats.ShTest(execute_external) |
| |
| # LeakSanitizer is not supported on OSX right now. |
| if sys.platform.startswith('darwin'): |
| lit_config.note('lsan feature unavailable') |
| else: |
| lit_config.note('lsan feature available') |
| config.available_features.add('lsan') |
| |
| if sys.platform.startswith('win') or sys.platform.startswith('cygwin'): |
| config.available_features.add('windows') |
| |
| if sys.platform.startswith('darwin'): |
| config.available_features.add('darwin') |
| |
| if sys.platform.startswith('linux'): |
| # Note the value of ``sys.platform`` is not consistent |
| # between python 2 and 3, hence the use of ``.startswith()``. |
| lit_config.note('linux feature available') |
| config.available_features.add('linux') |
| else: |
| lit_config.note('linux feature unavailable') |
| |
| config.substitutions.append(('%build_dir', config.cmake_binary_dir)) |
| libfuzzer_src_root = os.path.join(config.compiler_rt_src_root, "lib", "fuzzer") |
| config.substitutions.append(('%libfuzzer_src', libfuzzer_src_root)) |
| |
| def generate_compiler_cmd(is_cpp=True, fuzzer_enabled=True): |
| compiler_cmd = config.c_compiler |
| link_cmd = '-lc++' if 'darwin' in config.target_triple else '-lstdc++' |
| std_cmd = '-std=c++11' if is_cpp else '' |
| sanitizers = ['address'] |
| if fuzzer_enabled: |
| sanitizers.append('fuzzer') |
| sanitizers_cmd = ('-fsanitize=%s' % ','.join(sanitizers)) |
| isysroot_cmd = config.osx_sysroot_flag if config.osx_sysroot_flag else '' |
| include_cmd = '-I%s' % libfuzzer_src_root |
| return '%s %s %s -gline-tables-only %s %s %s' % ( |
| compiler_cmd, std_cmd, link_cmd, isysroot_cmd, sanitizers_cmd, include_cmd) |
| |
| config.substitutions.append(('%cpp_compiler', |
| generate_compiler_cmd(is_cpp=True, fuzzer_enabled=True) |
| )) |
| |
| config.substitutions.append(('%c_compiler', |
| generate_compiler_cmd(is_cpp=False, fuzzer_enabled=True) |
| )) |
| |
| config.substitutions.append(('%no_fuzzer_cpp_compiler', |
| generate_compiler_cmd(is_cpp=True, fuzzer_enabled=False) |
| )) |
| |
| config.substitutions.append(('%no_fuzzer_c_compiler', |
| generate_compiler_cmd(is_cpp=False, fuzzer_enabled=False) |
| )) |