forked from OSchip/llvm-project
68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
# -*- Python -*-
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import os
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def get_required_attr(config, attr_name):
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attr_value = getattr(config, attr_name, None)
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if not attr_value:
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lit_config.fatal(
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"No attribute %r in test configuration! You may need to run "
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"tests from your build directory or add this attribute "
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"to lit.site.cfg " % attr_name)
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return attr_value
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# Setup config name.
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config.name = 'ThreadSanitizer'
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Setup environment variables for running ThreadSanitizer.
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tsan_options = "atexit_sleep_ms=0"
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config.environment['TSAN_OPTIONS'] = tsan_options
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# GCC driver doesn't add necessary compile/link flags with -fsanitize=thread.
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if config.compiler_id == 'GNU':
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extra_cflags = ["-fPIE", "-pthread", "-ldl", "-lstdc++", "-lrt", "-pie"]
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else:
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extra_cflags = []
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# Setup default compiler flags used with -fsanitize=thread option.
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# FIXME: Review the set of required flags and check if it can be reduced.
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clang_tsan_cflags = ["-fsanitize=thread",
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"-g",
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"-Wall",
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"-m64"] + extra_cflags
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clang_tsan_cxxflags = config.cxx_mode_flags + clang_tsan_cflags
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# Add additional flags if we're using instrumented libc++.
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if config.has_libcxx:
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# FIXME: Dehardcode this path somehow.
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libcxx_path = os.path.join(config.compiler_rt_obj_root, "lib",
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"tsan", "libcxx_tsan")
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libcxx_incdir = os.path.join(libcxx_path, "include", "c++", "v1")
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libcxx_libdir = os.path.join(libcxx_path, "lib")
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libcxx_so = os.path.join(libcxx_libdir, "libc++.so")
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clang_tsan_cxxflags += ["-std=c++11",
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"-I%s" % libcxx_incdir,
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libcxx_so,
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"-Wl,-rpath=%s" % libcxx_libdir]
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def build_invocation(compile_flags):
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return " " + " ".join([config.clang] + compile_flags) + " "
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config.substitutions.append( ("%clang_tsan ", build_invocation(clang_tsan_cflags)) )
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config.substitutions.append( ("%clangxx_tsan ", build_invocation(clang_tsan_cxxflags)) )
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# Define CHECK-%os to check for OS-dependent output.
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config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os)))
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config.substitutions.append( ("%deflake ", os.path.join(os.path.dirname(__file__), "deflake.bash")) )
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# Default test suffixes.
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config.suffixes = ['.c', '.cc', '.cpp']
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# ThreadSanitizer tests are currently supported on Linux only.
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if config.host_os not in ['Linux']:
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config.unsupported = True
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