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# 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.
append_list_if(COMPILER_RT_HAS_FPIE_FLAG -fPIE TSAN_CFLAGS)
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_ann.h
rtl/tsan_interface.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_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}
OBJECT_LIBS RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTUbsan
CFLAGS ${TSAN_RTL_CFLAGS}
LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS} ${WEAK_SYMBOL_LINK_FLAGS}
LINK_LIBS ${TSAN_LINK_LIBS}
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}
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)
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)
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}
$<TARGET_OBJECTS:RTInterception.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommon.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommonLibc.${arch}>
$<TARGET_OBJECTS:RTUbsan.${arch}>
CFLAGS ${TSAN_RTL_CFLAGS}
PARENT_TARGET tsan)
add_compiler_rt_runtime(clang_rt.tsan_cxx
STATIC
ARCHS ${arch}
SOURCES ${TSAN_CXX_SOURCES}
$<TARGET_OBJECTS:RTUbsan_cxx.${arch}>
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 ${TARGET_CFLAGS} -fsanitize=thread)
list(APPEND libcxx_tsan_deps libcxx_tsan_${arch})
endforeach()
add_custom_target(libcxx_tsan DEPENDS ${libcxx_tsan_deps})
endif()
if(COMPILER_RT_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
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