# Build for the ThreadSanitizer runtime support library. include_directories(..) set(TSAN_CFLAGS ${SANITIZER_COMMON_CFLAGS}) # SANITIZER_COMMON_CFLAGS contains -fPIC, but it's performance-critical for # TSan runtime to be built with -fPIE to reduce the number of register spills. # On FreeBSD however it provokes linkage issue thus we disable it. if(NOT CMAKE_SYSTEM MATCHES "FreeBSD") append_list_if(COMPILER_RT_HAS_FPIE_FLAG -fPIE TSAN_CFLAGS) endif() append_rtti_flag(OFF TSAN_CFLAGS) if(COMPILER_RT_TSAN_DEBUG_OUTPUT) # Add extra debug information to TSan runtime. This configuration is rarely # used, but we need to support it so that debug output will not bitrot. list(APPEND TSAN_CFLAGS -DTSAN_COLLECT_STATS=1 -DTSAN_DEBUG_OUTPUT=2) endif() set(TSAN_RTL_CFLAGS ${TSAN_CFLAGS}) append_list_if(COMPILER_RT_HAS_MSSE3_FLAG -msse3 TSAN_RTL_CFLAGS) append_list_if(SANITIZER_LIMIT_FRAME_SIZE -Wframe-larger-than=530 TSAN_RTL_CFLAGS) append_list_if(COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG -Wglobal-constructors TSAN_RTL_CFLAGS) set(TSAN_SOURCES rtl/tsan_clock.cc rtl/tsan_debugging.cc rtl/tsan_external.cc rtl/tsan_fd.cc rtl/tsan_flags.cc rtl/tsan_ignoreset.cc rtl/tsan_interceptors.cc rtl/tsan_interface.cc rtl/tsan_interface_ann.cc rtl/tsan_interface_atomic.cc rtl/tsan_interface_java.cc rtl/tsan_malloc_mac.cc rtl/tsan_md5.cc rtl/tsan_mman.cc rtl/tsan_mutex.cc rtl/tsan_mutexset.cc rtl/tsan_preinit.cc rtl/tsan_report.cc rtl/tsan_rtl.cc rtl/tsan_rtl_mutex.cc rtl/tsan_rtl_proc.cc rtl/tsan_rtl_report.cc rtl/tsan_rtl_thread.cc rtl/tsan_stack_trace.cc rtl/tsan_stat.cc rtl/tsan_suppressions.cc rtl/tsan_symbolize.cc rtl/tsan_sync.cc) set(TSAN_CXX_SOURCES rtl/tsan_new_delete.cc) if(APPLE) list(APPEND TSAN_SOURCES rtl/tsan_interceptors_mac.cc rtl/tsan_libdispatch_mac.cc rtl/tsan_platform_mac.cc rtl/tsan_platform_posix.cc) elseif(UNIX) # Assume Linux list(APPEND TSAN_SOURCES rtl/tsan_platform_linux.cc rtl/tsan_platform_posix.cc) endif() set(TSAN_HEADERS rtl/tsan_clock.h rtl/tsan_defs.h rtl/tsan_dense_alloc.h rtl/tsan_fd.h rtl/tsan_flags.h rtl/tsan_flags.inc rtl/tsan_ignoreset.h rtl/tsan_interceptors.h rtl/tsan_interface.h rtl/tsan_interface_ann.h rtl/tsan_interface_inl.h rtl/tsan_interface_java.h rtl/tsan_mman.h rtl/tsan_mutex.h rtl/tsan_mutexset.h rtl/tsan_platform.h rtl/tsan_ppc_regs.h rtl/tsan_report.h rtl/tsan_rtl.h rtl/tsan_stack_trace.h rtl/tsan_stat.h rtl/tsan_suppressions.h rtl/tsan_symbolize.h rtl/tsan_sync.h rtl/tsan_trace.h rtl/tsan_update_shadow_word_inl.h) set(TSAN_RUNTIME_LIBRARIES) add_compiler_rt_component(tsan) if(APPLE) add_asm_sources(TSAN_ASM_SOURCES rtl/tsan_rtl_amd64.S rtl/tsan_rtl_aarch64.S) set(TSAN_LINK_LIBS ${SANITIZER_COMMON_LINK_LIBS}) add_weak_symbols("ubsan" WEAK_SYMBOL_LINK_FLAGS) add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINK_FLAGS) add_compiler_rt_runtime(clang_rt.tsan SHARED OS ${TSAN_SUPPORTED_OS} ARCHS ${TSAN_SUPPORTED_ARCH} SOURCES ${TSAN_SOURCES} ${TSAN_CXX_SOURCES} ${TSAN_ASM_SOURCES} ADDITIONAL_HEADERS ${TSAN_HEADERS} OBJECT_LIBS RTInterception RTSanitizerCommon RTSanitizerCommonLibc RTSanitizerCommonCoverage RTSanitizerCommonSymbolizer RTUbsan CFLAGS ${TSAN_RTL_CFLAGS} LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS} ${WEAK_SYMBOL_LINK_FLAGS} LINK_LIBS ${TSAN_LINK_LIBS} objc PARENT_TARGET tsan) add_compiler_rt_object_libraries(RTTsan_dynamic OS ${TSAN_SUPPORTED_OS} ARCHS ${TSAN_SUPPORTED_ARCH} SOURCES ${TSAN_SOURCES} ${TSAN_CXX_SOURCES} ${TSAN_ASM_SOURCES} ADDITIONAL_HEADERS ${TSAN_HEADERS} CFLAGS ${TSAN_RTL_CFLAGS}) # Build and check Go runtime. set(BUILDGO_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/go/buildgo.sh) add_custom_target(GotsanRuntimeCheck COMMAND env "CC=${CMAKE_C_COMPILER} ${OSX_SYSROOT_FLAG}" IN_TMPDIR=1 SILENT=1 ${BUILDGO_SCRIPT} DEPENDS tsan ${BUILDGO_SCRIPT} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/go COMMENT "Checking TSan Go runtime..." VERBATIM) set_target_properties(GotsanRuntimeCheck PROPERTIES FOLDER "Compiler-RT Misc") else() foreach(arch ${TSAN_SUPPORTED_ARCH}) if(arch STREQUAL "x86_64") add_asm_sources(TSAN_ASM_SOURCES rtl/tsan_rtl_amd64.S) # Sanity check for Go runtime. set(BUILDGO_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/go/buildgo.sh) add_custom_target(GotsanRuntimeCheck COMMAND env "CC=${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" IN_TMPDIR=1 SILENT=1 ${BUILDGO_SCRIPT} DEPENDS clang_rt.tsan-${arch} ${BUILDGO_SCRIPT} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/go COMMENT "Checking TSan Go runtime..." VERBATIM) elseif(arch STREQUAL "aarch64") add_asm_sources(TSAN_ASM_SOURCES rtl/tsan_rtl_aarch64.S) elseif(arch MATCHES "powerpc64|powerpc64le") add_asm_sources(TSAN_ASM_SOURCES rtl/tsan_rtl_ppc64.S) # Sanity check for Go runtime. set(BUILDGO_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/go/buildgo.sh) add_custom_target(GotsanRuntimeCheck COMMAND env "CC=${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" IN_TMPDIR=1 SILENT=1 ${BUILDGO_SCRIPT} DEPENDS clang_rt.tsan-${arch} ${BUILDGO_SCRIPT} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/go COMMENT "Checking TSan Go runtime..." VERBATIM) elseif(arch MATCHES "mips64|mips64le") add_asm_sources(TSAN_ASM_SOURCES rtl/tsan_rtl_mips64.S) else() set(TSAN_ASM_SOURCES) endif() add_compiler_rt_runtime(clang_rt.tsan STATIC ARCHS ${arch} SOURCES ${TSAN_SOURCES} ${TSAN_ASM_SOURCES} $ $ $ $ $ $ ADDITIONAL_HEADERS ${TSAN_HEADERS} CFLAGS ${TSAN_RTL_CFLAGS} PARENT_TARGET tsan) add_compiler_rt_runtime(clang_rt.tsan_cxx STATIC ARCHS ${arch} SOURCES ${TSAN_CXX_SOURCES} $ ADDITIONAL_HEADERS ${TSAN_HEADERS} CFLAGS ${TSAN_RTL_CFLAGS} PARENT_TARGET tsan) list(APPEND TSAN_RUNTIME_LIBRARIES clang_rt.tsan-${arch} clang_rt.tsan_cxx-${arch}) add_sanitizer_rt_symbols(clang_rt.tsan ARCHS ${arch} EXTRA rtl/tsan.syms.extra) add_sanitizer_rt_symbols(clang_rt.tsan_cxx ARCHS ${arch} EXTRA rtl/tsan.syms.extra) add_dependencies(tsan clang_rt.tsan-${arch} clang_rt.tsan_cxx-${arch} clang_rt.tsan-${arch}-symbols clang_rt.tsan_cxx-${arch}-symbols) endforeach() endif() # Make sure that non-platform-specific files don't include any system headers. # FreeBSD does not install a number of Clang-provided headers for the compiler # in the base system due to incompatibilities between FreeBSD's and Clang's # versions. As a workaround do not use --sysroot=. on FreeBSD until this is # addressed. if(COMPILER_RT_HAS_SYSROOT_FLAG AND NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD") file(GLOB _tsan_generic_sources rtl/tsan*) file(GLOB _tsan_platform_sources rtl/tsan*posix* rtl/tsan*mac* rtl/tsan*linux*) list(REMOVE_ITEM _tsan_generic_sources ${_tsan_platform_sources}) set_source_files_properties(${_tsan_generic_sources} PROPERTIES COMPILE_FLAGS "--sysroot=.") endif() # Build libcxx instrumented with TSan. if(COMPILER_RT_LIBCXX_PATH AND COMPILER_RT_TEST_COMPILER_ID STREQUAL "Clang" AND NOT ANDROID) set(libcxx_tsan_deps) foreach(arch ${TSAN_SUPPORTED_ARCH}) get_target_flags_for_arch(${arch} TARGET_CFLAGS) set(LIBCXX_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/libcxx_tsan_${arch}) add_custom_libcxx(libcxx_tsan_${arch} ${LIBCXX_PREFIX} DEPS ${TSAN_RUNTIME_LIBRARIES} CFLAGS ${TARGET_CFLAGS} -fsanitize=thread USE_TOOLCHAIN) list(APPEND libcxx_tsan_deps libcxx_tsan_${arch}-build) endforeach() add_custom_target(libcxx_tsan DEPENDS ${libcxx_tsan_deps}) set_target_properties(libcxx_tsan PROPERTIES FOLDER "Compiler-RT Misc") endif() if(COMPILER_RT_INCLUDE_TESTS) add_subdirectory(tests) endif()