forked from OSchip/llvm-project
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
# -*- Python -*-
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import os
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# Setup config name.
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config.name = 'MemorySanitizer' + getattr(config, 'name_suffix', 'default')
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Setup default compiler flags used with -fsanitize=memory option.
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clang_msan_cflags = (["-fsanitize=memory",
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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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[config.target_cflags] +
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config.debug_info_flags)
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# Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD.
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if config.host_os == 'FreeBSD':
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clang_msan_cflags += ["-lexecinfo", "-fPIC"]
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clang_msan_cxxflags = config.cxx_mode_flags + clang_msan_cflags
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# Flags for KMSAN invocation. This is C-only, we're not interested in C++.
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clang_kmsan_cflags = (["-fsanitize=kernel-memory"] +
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[config.target_cflags] +
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config.debug_info_flags)
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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_msan ", build_invocation(clang_msan_cflags)) )
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config.substitutions.append( ("%clangxx_msan ", build_invocation(clang_msan_cxxflags)) )
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config.substitutions.append( ("%clang_kmsan ", build_invocation(clang_kmsan_cflags)) )
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# Default test suffixes.
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config.suffixes = ['.c', '.cc', '.cpp']
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if config.host_os not in ['Linux', 'NetBSD', 'FreeBSD']:
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config.unsupported = True
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# For mips64, mips64el we have forced store_context_size to 1 because these
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# archs use slow unwinder which is not async signal safe. Therefore we only
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# check the first frame since store_context size is 1.
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if config.host_arch in ['mips64', 'mips64el']:
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config.substitutions.append( ('CHECK-%short-stack', 'CHECK-SHORT-STACK'))
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else:
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config.substitutions.append( ('CHECK-%short-stack', 'CHECK-FULL-STACK'))
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