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145 lines
5.0 KiB
145 lines
5.0 KiB
include(CheckCXXCompilerFlag)
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include(CompilerRTCompile)
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include(CompilerRTLink)
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include_directories(..)
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include_directories(../..)
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set(MSAN_LIBCXX_CFLAGS
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-fsanitize=memory
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-fsanitize-memory-track-origins
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-Wno-pedantic)
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# Unittest sources and build flags.
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set(MSAN_UNITTEST_SOURCES msan_test.cc msan_test_main.cc)
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set(MSAN_LOADABLE_SOURCE msan_loadable.cc)
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set(MSAN_UNITTEST_HEADERS
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msan_test_config.h
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../../../include/sanitizer/msan_interface.h
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)
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set(MSAN_UNITTEST_COMMON_CFLAGS
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-nostdinc++
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-isystem ${COMPILER_RT_LIBCXX_PATH}/include
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${COMPILER_RT_UNITTEST_CFLAGS}
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${COMPILER_RT_GTEST_CFLAGS}
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-I${COMPILER_RT_SOURCE_DIR}/include
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-I${COMPILER_RT_SOURCE_DIR}/lib
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-I${COMPILER_RT_SOURCE_DIR}/lib/msan
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-g
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-O2
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-fno-exceptions
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-fno-omit-frame-pointer
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-mno-omit-leaf-frame-pointer
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-Wno-deprecated-declarations
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-Wno-unused-variable
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-Wno-zero-length-array
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-Wno-uninitialized
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-Werror=sign-compare
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)
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set(MSAN_UNITTEST_INSTRUMENTED_CFLAGS
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${MSAN_UNITTEST_COMMON_CFLAGS}
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-fsanitize=memory
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-fsanitize-memory-track-origins
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-mllvm -msan-keep-going=1
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)
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set(MSAN_UNITTEST_LINK_FLAGS
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-fsanitize=memory
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# Don't need -stdlib=libc++ because we explicitly list libc++.so in the linker
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# inputs.
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# FIXME: we build libcxx without cxxabi and need libstdc++ to provide it.
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-lstdc++
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)
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append_list_if(COMPILER_RT_HAS_LIBDL -ldl MSAN_UNITTEST_LINK_FLAGS)
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# Compile source for the given architecture, using compiler
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# options in ${ARGN}, and add it to the object list.
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macro(msan_compile obj_list source arch kind)
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get_filename_component(basename ${source} NAME)
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set(output_obj "${basename}.${arch}${kind}.o")
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get_target_flags_for_arch(${arch} TARGET_CFLAGS)
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set(COMPILE_DEPS ${MSAN_UNITTEST_HEADERS})
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if(NOT COMPILER_RT_STANDALONE_BUILD)
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list(APPEND COMPILE_DEPS gtest msan)
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endif()
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clang_compile(${output_obj} ${source}
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CFLAGS ${ARGN} ${TARGET_CFLAGS}
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DEPS ${COMPILE_DEPS})
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list(APPEND ${obj_list} ${output_obj})
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endmacro()
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macro(msan_link_shared so_list so_name arch kind)
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cmake_parse_arguments(SOURCE "" "" "OBJECTS;LINKFLAGS;DEPS" ${ARGN})
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set(output_so "${CMAKE_CURRENT_BINARY_DIR}/${so_name}.${arch}${kind}.so")
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get_target_flags_for_arch(${arch} TARGET_LINKFLAGS)
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if(NOT COMPILER_RT_STANDALONE_BUILD)
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list(APPEND SOURCE_DEPS msan)
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endif()
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clang_link_shared(${output_so}
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OBJECTS ${SOURCE_OBJECTS}
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LINKFLAGS ${TARGET_LINKFLAGS} ${SOURCE_LINKFLAGS}
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DEPS ${SOURCE_DEPS})
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list(APPEND ${so_list} ${output_so})
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endmacro()
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# Main MemorySanitizer unit tests.
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add_custom_target(MsanUnitTests)
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set_target_properties(MsanUnitTests PROPERTIES FOLDER "MSan unit tests")
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# Adds MSan unit tests and benchmarks for architecture.
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macro(add_msan_tests_for_arch arch kind)
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# Build gtest instrumented with MSan.
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set(MSAN_INST_GTEST)
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msan_compile(MSAN_INST_GTEST ${COMPILER_RT_GTEST_SOURCE} ${arch} "${kind}"
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${MSAN_UNITTEST_INSTRUMENTED_CFLAGS} ${ARGN})
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# Instrumented tests.
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set(MSAN_INST_TEST_OBJECTS)
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foreach (SOURCE ${MSAN_UNITTEST_SOURCES})
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msan_compile(MSAN_INST_TEST_OBJECTS ${SOURCE} ${arch} "${kind}"
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${MSAN_UNITTEST_INSTRUMENTED_CFLAGS} ${ARGN})
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endforeach(SOURCE)
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# Instrumented loadable module objects.
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set(MSAN_INST_LOADABLE_OBJECTS)
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msan_compile(MSAN_INST_LOADABLE_OBJECTS ${MSAN_LOADABLE_SOURCE} ${arch} "${kind}"
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${MSAN_UNITTEST_INSTRUMENTED_CFLAGS} "-fPIC" ${ARGN})
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# Instrumented loadable library tests.
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set(MSAN_LOADABLE_SO)
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msan_link_shared(MSAN_LOADABLE_SO "libmsan_loadable" ${arch} "${kind}"
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OBJECTS ${MSAN_INST_LOADABLE_OBJECTS}
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DEPS ${MSAN_INST_LOADABLE_OBJECTS})
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set(MSAN_TEST_OBJECTS ${MSAN_INST_TEST_OBJECTS} ${MSAN_INST_GTEST})
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set(MSAN_TEST_DEPS ${MSAN_TEST_OBJECTS} libcxx_msan_${arch}
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${MSAN_LOADABLE_SO})
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if(NOT COMPILER_RT_STANDALONE_BUILD)
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list(APPEND MSAN_TEST_DEPS msan)
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endif()
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get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS)
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add_compiler_rt_test(MsanUnitTests "Msan-${arch}${kind}-Test" ${arch}
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OBJECTS ${MSAN_TEST_OBJECTS} ${MSAN_LIBCXX_SO}
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DEPS ${MSAN_TEST_DEPS}
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LINK_FLAGS ${MSAN_UNITTEST_LINK_FLAGS}
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${TARGET_LINK_FLAGS}
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"-Wl,-rpath=${CMAKE_CURRENT_BINARY_DIR}"
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"-Wl,-rpath=${LIBCXX_PREFIX}/lib")
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endmacro()
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# We should only build MSan unit tests if we can build instrumented libcxx.
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if(COMPILER_RT_CAN_EXECUTE_TESTS AND COMPILER_RT_HAS_LIBCXX_SOURCES)
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foreach(arch ${MSAN_SUPPORTED_ARCH})
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get_target_flags_for_arch(${arch} TARGET_CFLAGS)
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set(LIBCXX_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/../libcxx_msan_${arch})
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add_custom_libcxx(libcxx_msan_${arch} ${LIBCXX_PREFIX}
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DEPS ${MSAN_RUNTIME_LIBRARIES}
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CFLAGS ${MSAN_LIBCXX_CFLAGS} ${TARGET_CFLAGS})
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set(MSAN_LIBCXX_SO ${LIBCXX_PREFIX}/lib/libc++.so)
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add_msan_tests_for_arch(${arch} "")
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add_msan_tests_for_arch(${arch} "-with-call"
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-mllvm -msan-instrumentation-with-call-threshold=0)
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endforeach()
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endif()
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