forked from OSchip/llvm-project
57 lines
1.9 KiB
Python
57 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 = 'GWP-ASan' + config.name_suffix
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Test suffixes.
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config.suffixes = ['.c', '.cpp', '.test']
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# C & CXX flags.
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c_flags = ([config.target_cflags])
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cxx_flags = (c_flags + config.cxx_mode_flags + ["-std=c++14"])
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libscudo_standalone = os.path.join(
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config.compiler_rt_libdir,
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"libclang_rt.scudo_standalone%s.a" % config.target_suffix)
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libscudo_standalone_cxx = os.path.join(
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config.compiler_rt_libdir,
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"libclang_rt.scudo_standalone_cxx%s.a" % config.target_suffix)
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scudo_link_flags = ["-pthread", "-Wl,--whole-archive", libscudo_standalone,
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"-Wl,--no-whole-archive"]
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scudo_link_cxx_flags = ["-Wl,--whole-archive", libscudo_standalone_cxx,
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"-Wl,--no-whole-archive"]
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# -rdynamic is necessary for online function symbolization.
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gwp_asan_flags = ["-rdynamic"] + scudo_link_flags
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def build_invocation(compile_flags):
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return " " + " ".join([config.clang] + compile_flags) + " "
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# Add substitutions.
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config.substitutions.append(("%clang ", build_invocation(c_flags)))
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config.substitutions.append(
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("%clang_gwp_asan ", build_invocation(c_flags + gwp_asan_flags)))
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config.substitutions.append((
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"%clangxx_gwp_asan ",
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build_invocation(cxx_flags + gwp_asan_flags + scudo_link_cxx_flags)))
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# Platform-specific default GWP_ASAN for lit tests. Ensure that GWP-ASan is
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# enabled and that it samples every allocation.
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default_gwp_asan_options = 'GWP_ASAN_Enabled=1:GWP_ASAN_SampleRate=1'
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config.environment['SCUDO_OPTIONS'] = default_gwp_asan_options
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default_gwp_asan_options += ':'
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config.substitutions.append(('%env_scudo_options=',
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'env SCUDO_OPTIONS=' + default_gwp_asan_options))
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# GWP-ASan 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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