forked from OSchip/llvm-project
125 lines
4.1 KiB
CMake
125 lines
4.1 KiB
CMake
set(LIBFUZZER_SOURCES
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FuzzerCrossOver.cpp
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FuzzerDriver.cpp
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FuzzerExtFunctionsDlsym.cpp
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FuzzerExtFunctionsDlsymWin.cpp
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FuzzerExtFunctionsWeak.cpp
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FuzzerExtraCounters.cpp
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FuzzerIO.cpp
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FuzzerIOPosix.cpp
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FuzzerIOWindows.cpp
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FuzzerLoop.cpp
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FuzzerMerge.cpp
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FuzzerMutate.cpp
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FuzzerSHA1.cpp
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FuzzerShmemFuchsia.cpp
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FuzzerShmemPosix.cpp
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FuzzerShmemWindows.cpp
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FuzzerTracePC.cpp
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FuzzerUtil.cpp
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FuzzerUtilDarwin.cpp
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FuzzerUtilFuchsia.cpp
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FuzzerUtilLinux.cpp
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FuzzerUtilPosix.cpp
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FuzzerUtilWindows.cpp
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)
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CHECK_CXX_SOURCE_COMPILES("
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static thread_local int blah;
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int main() {
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return 0;
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}
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" HAS_THREAD_LOCAL)
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set(LIBFUZZER_CFLAGS ${SANITIZER_COMMON_CFLAGS})
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if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND COMPILER_RT_LIBCXX_PATH)
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list(APPEND LIBFUZZER_CFLAGS -nostdinc++ -D_LIBCPP_ABI_VERSION=Fuzzer)
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# Remove -stdlib= which is unused when passing -nostdinc++.
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string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
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endif()
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append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer LIBFUZZER_CFLAGS)
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if (CMAKE_CXX_FLAGS MATCHES "fsanitize-coverage")
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list(APPEND LIBFUZZER_CFLAGS -fno-sanitize-coverage=trace-pc-guard,edge,trace-cmp,indirect-calls,8bit-counters)
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endif()
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if(NOT HAS_THREAD_LOCAL)
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list(APPEND LIBFUZZER_CFLAGS -Dthread_local=__thread)
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endif()
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if(APPLE)
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set(FUZZER_SUPPORTED_OS osx)
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endif()
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add_compiler_rt_object_libraries(RTfuzzer
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OS ${FUZZER_SUPPORTED_OS}
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ARCHS ${FUZZER_SUPPORTED_ARCH}
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SOURCES ${LIBFUZZER_SOURCES}
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CFLAGS ${LIBFUZZER_CFLAGS})
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add_compiler_rt_object_libraries(RTfuzzer_main
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OS ${FUZZER_SUPPORTED_OS}
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ARCHS ${FUZZER_SUPPORTED_ARCH}
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SOURCES FuzzerMain.cpp
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CFLAGS ${LIBFUZZER_CFLAGS})
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add_compiler_rt_runtime(clang_rt.fuzzer
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STATIC
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OS ${FUZZER_SUPPORTED_OS}
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ARCHS ${FUZZER_SUPPORTED_ARCH}
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OBJECT_LIBS RTfuzzer RTfuzzer_main
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CFLAGS ${LIBFUZZER_CFLAGS}
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PARENT_TARGET fuzzer)
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add_compiler_rt_runtime(clang_rt.fuzzer_no_main
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STATIC
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OS ${FUZZER_SUPPORTED_OS}
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ARCHS ${FUZZER_SUPPORTED_ARCH}
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OBJECT_LIBS RTfuzzer
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CFLAGS ${LIBFUZZER_CFLAGS}
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PARENT_TARGET fuzzer)
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if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND COMPILER_RT_LIBCXX_PATH)
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macro(partially_link_libcxx name dir arch)
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set(cxx_${arch}_merge_dir "${CMAKE_CURRENT_BINARY_DIR}/cxx_${arch}_merge.dir")
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file(MAKE_DIRECTORY ${cxx_${arch}_merge_dir})
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add_custom_command(TARGET clang_rt.${name}-${arch} POST_BUILD
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COMMAND ${CMAKE_LINKER} --whole-archive "$<TARGET_LINKER_FILE:clang_rt.${name}-${arch}>" --no-whole-archive ${dir}/lib/libc++.a -r -o ${name}.o
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COMMAND ${CMAKE_OBJCOPY} --localize-hidden ${name}.o
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COMMAND ${CMAKE_COMMAND} -E remove "$<TARGET_LINKER_FILE:clang_rt.${name}-${arch}>"
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COMMAND ${CMAKE_AR} qcs "$<TARGET_LINKER_FILE:clang_rt.${name}-${arch}>" ${name}.o
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WORKING_DIRECTORY ${cxx_${arch}_merge_dir}
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)
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endmacro()
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foreach(arch ${FUZZER_SUPPORTED_ARCH})
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get_target_flags_for_arch(${arch} TARGET_CFLAGS)
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set(LIBCXX_${arch}_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/libcxx_fuzzer_${arch})
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add_custom_libcxx(libcxx_fuzzer_${arch} ${LIBCXX_${arch}_PREFIX}
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CFLAGS ${TARGET_CFLAGS}
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-D_LIBCPP_ABI_VERSION=Fuzzer
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-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS=1
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-fvisibility=hidden
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CMAKE_ARGS -DCMAKE_CXX_COMPILER_WORKS=ON
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-DLIBCXX_ENABLE_EXCEPTIONS=OFF
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-DLIBCXX_CXX_ABI=none)
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target_compile_options(RTfuzzer.${arch} PRIVATE -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
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add_dependencies(RTfuzzer.${arch} libcxx_fuzzer_${arch}-build)
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target_compile_options(RTfuzzer_main.${arch} PRIVATE -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
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add_dependencies(RTfuzzer_main.${arch} libcxx_fuzzer_${arch}-build)
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partially_link_libcxx(fuzzer_no_main ${LIBCXX_${arch}_PREFIX} ${arch})
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partially_link_libcxx(fuzzer ${LIBCXX_${arch}_PREFIX} ${arch})
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endforeach()
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elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia" AND HAVE_LIBCXX)
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foreach(arch ${FUZZER_SUPPORTED_ARCH})
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add_dependencies(RTfuzzer.${arch} cxx)
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add_dependencies(RTfuzzer_main.${arch} cxx)
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endforeach()
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endif()
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if(COMPILER_RT_INCLUDE_TESTS)
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add_subdirectory(tests)
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endif()
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