60 lines
2 KiB
Python
60 lines
2 KiB
Python
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# -*- 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 = (
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[
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"-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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]
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+ [config.target_cflags]
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+ config.debug_info_flags
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)
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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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# On SystemZ we need -mbackchain to make the fast unwinder work.
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if config.target_arch == "s390x":
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clang_msan_cflags.append("-mbackchain")
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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 = (
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["-fsanitize=kernel-memory"] + [config.target_cflags] + config.debug_info_flags
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)
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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", ".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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if config.host_os == "NetBSD":
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config.substitutions.insert(0, ("%run", config.netbsd_noaslr_prefix))
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