forked from OSchip/llvm-project
94 lines
3.8 KiB
Python
94 lines
3.8 KiB
Python
# -*- Python -*-
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import os
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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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def DisplayNoConfigMessage():
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lit.fatal("No site specific configuration available! " +
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"Try running your test from the build tree or running " +
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"make check-tsan")
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# Figure out LLVM source root.
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llvm_src_root = getattr(config, 'llvm_src_root', None)
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if llvm_src_root is None:
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# We probably haven't loaded the site-specific configuration: the user
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# is likely trying to run a test file directly, and the site configuration
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# wasn't created by the build system.
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tsan_site_cfg = lit.params.get('tsan_site_config', None)
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if (tsan_site_cfg) and (os.path.exists(tsan_site_cfg)):
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lit.load_config(config, tsan_site_cfg)
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raise SystemExit
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# Try to guess the location of site-specific configuration using llvm-config
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# util that can point where the build tree is.
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llvm_config = lit.util.which("llvm-config", config.environment["PATH"])
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if not llvm_config:
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DisplayNoConfigMessage()
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# Validate that llvm-config points to the same source tree.
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llvm_src_root = lit.util.capture(["llvm-config", "--src-root"]).strip()
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tsan_test_src_root = os.path.join(llvm_src_root, "projects", "compiler-rt",
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"lib", "tsan", "lit_tests")
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if (os.path.realpath(tsan_test_src_root) !=
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os.path.realpath(config.test_source_root)):
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DisplayNoConfigMessage()
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# Find out the presumed location of generated site config.
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llvm_obj_root = lit.util.capture(["llvm-config", "--obj-root"]).strip()
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tsan_site_cfg = os.path.join(llvm_obj_root, "projects", "compiler-rt",
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"lib", "tsan", "lit_tests", "lit.site.cfg")
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if (not tsan_site_cfg) or (not os.path.exists(tsan_site_cfg)):
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DisplayNoConfigMessage()
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lit.load_config(config, tsan_site_cfg)
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raise SystemExit
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# Setup attributes common for all compiler-rt projects.
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compiler_rt_lit_cfg = os.path.join(llvm_src_root, "projects", "compiler-rt",
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"lib", "lit.common.cfg")
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if (not compiler_rt_lit_cfg) or (not os.path.exists(compiler_rt_lit_cfg)):
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lit.fatal("Can't find common compiler-rt lit config at: %r"
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% compiler_rt_lit_cfg)
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lit.load_config(config, compiler_rt_lit_cfg)
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# Setup environment variables for running ThreadSanitizer.
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tsan_options = "atexit_sleep_ms=0"
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# Get path to external LLVM symbolizer to run ThreadSanitizer output tests.
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llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
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if llvm_tools_dir:
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llvm_symbolizer_path = os.path.join(llvm_tools_dir, "llvm-symbolizer")
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tsan_options += " " + "external_symbolizer_path=" + llvm_symbolizer_path
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config.environment['TSAN_OPTIONS'] = tsan_options
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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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+ "-fPIE "
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+ "-fno-builtin "
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+ "-g "
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+ "-Wall "
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+ "-pie "
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+ "-lpthread "
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+ "-ldl ")
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clang_tsan_cxxflags = "-ccc-cxx " + clang_tsan_cflags
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config.substitutions.append( ("%clangxx_tsan ", (" " + config.clang + " " +
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clang_tsan_cxxflags + " ")) )
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config.substitutions.append( ("%clang_tsan ", (" " + config.clang + " " +
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clang_tsan_cflags + " ")) )
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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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# 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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