forked from OSchip/llvm-project
90 lines
3.7 KiB
Python
90 lines
3.7 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.fatal("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 = 'AddressSanitizer'
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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-asan")
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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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asan_site_cfg = lit.params.get('asan_site_config', None)
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if (asan_site_cfg) and (os.path.exists(asan_site_cfg)):
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lit.load_config(config, asan_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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# 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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asan_site_cfg = os.path.join(llvm_obj_root, "projects", "compiler-rt",
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"lib", "asan", "lit_tests", "lit.site.cfg")
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if (not asan_site_cfg) or (not os.path.exists(asan_site_cfg)):
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DisplayNoConfigMessage()
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lit.load_config(config, asan_site_cfg)
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raise SystemExit
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# Setup default compiler flags used with -fsanitize=address option.
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# FIXME: Review the set of required flags and check if it can be reduced.
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bits_cflag = " -m" + config.bits
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clang_asan_cflags = (" -fsanitize=address"
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+ " -mno-omit-leaf-frame-pointer"
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+ " -fno-omit-frame-pointer"
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+ " -fno-optimize-sibling-calls"
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+ " -g"
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+ bits_cflag)
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clang_asan_cxxflags = " -ccc-cxx" + clang_asan_cflags
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config.substitutions.append( ("%clang ", " " + config.clang + bits_cflag + " "))
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config.substitutions.append( ("%clangxx ", (" " + config.clang + " -ccc-cxx" +
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bits_cflag + " ")) )
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config.substitutions.append( ("%clang_asan ", (" " + config.clang + " " +
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clang_asan_cflags + " ")) )
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config.substitutions.append( ("%clangxx_asan ", (" " + config.clang + " " +
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clang_asan_cxxflags + " ")) )
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# Setup path to external LLVM symbolizer to run AddressSanitizer output tests.
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config.environment['ASAN_SYMBOLIZER_PATH'] = config.llvm_symbolizer_path
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# Setup path to asan_symbolize.py script.
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asan_source_dir = get_required_attr(config, "asan_source_dir")
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asan_symbolize = os.path.join(asan_source_dir, "scripts", "asan_symbolize.py")
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if not os.path.exists(asan_symbolize):
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lit.fatal("Can't find script on path %r" % asan_symbolize)
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config.substitutions.append( ("%asan_symbolize", " " + asan_symbolize + " ") )
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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.available_features.add("asan-" + config.bits + "-bits")
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# Default test suffixes.
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config.suffixes = ['.c', '.cc', '.cpp']
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# AddressSanitizer tests are currently supported on Linux and Darwin only.
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if config.host_os not in ['Linux', 'Darwin']:
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config.unsupported = True
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