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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_no_rtti_flag(TSAN_CFLAGS)
set(TSAN_RTL_CFLAGS ${TSAN_CFLAGS})
append_list_if(COMPILER_RT_HAS_MSSE3_FLAG -msse3 TSAN_RTL_CFLAGS)
append_list_if(SANITIZER_LIMIT_FRAME_SIZE -Wframe-larger-than=512
TSAN_RTL_CFLAGS)
append_list_if(COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG -Wglobal-constructors
TSAN_RTL_CFLAGS)
# FIXME: Add support for --sysroot=. compile flag:
set(TSAN_SOURCES
rtl/tsan_clock.cc
rtl/tsan_flags.cc
rtl/tsan_fd.cc
rtl/tsan_ignoreset.cc
rtl/tsan_interceptors.cc
rtl/tsan_interface_ann.cc
rtl/tsan_interface_atomic.cc
rtl/tsan_interface.cc
rtl/tsan_interface_java.cc
rtl/tsan_md5.cc
rtl/tsan_mman.cc
rtl/tsan_mutex.cc
rtl/tsan_mutexset.cc
rtl/tsan_report.cc
rtl/tsan_rtl.cc
rtl/tsan_rtl_mutex.cc
rtl/tsan_rtl_report.cc
rtl/tsan_rtl_thread.cc
rtl/tsan_stack_trace.cc
rtl/tsan_stat.cc
rtl/tsan_suppressions.cc
rtl/tsan_symbolize.cc
rtl/tsan_sync.cc)
if(APPLE)
list(APPEND TSAN_SOURCES rtl/tsan_platform_mac.cc)
elseif(UNIX)
# Assume Linux
list(APPEND TSAN_SOURCES
rtl/tsan_platform_linux.cc)
endif()
set(TSAN_HEADERS
rtl/tsan_clock.h
rtl/tsan_defs.h
rtl/tsan_dense_alloc.h
rtl/tsan_fd.h
rtl/tsan_flags.h
rtl/tsan_flags.inc
rtl/tsan_ignoreset.h
rtl/tsan_interface_ann.h
rtl/tsan_interface.h
rtl/tsan_interface_inl.h
rtl/tsan_interface_java.h
rtl/tsan_mman.h
rtl/tsan_mutex.h
rtl/tsan_mutexset.h
rtl/tsan_platform.h
rtl/tsan_report.h
rtl/tsan_rtl.h
rtl/tsan_stack_trace.h
rtl/tsan_stat.h
rtl/tsan_suppressions.h
rtl/tsan_symbolize.h
rtl/tsan_sync.h
rtl/tsan_trace.h
rtl/tsan_update_shadow_word_inl.h
rtl/tsan_vector.h)
set(TSAN_RUNTIME_LIBRARIES)
add_custom_target(tsan)
# TSan is currently supported on 64-bit Linux only.
if(CAN_TARGET_x86_64 AND UNIX AND NOT APPLE)
set(TSAN_ASM_SOURCES rtl/tsan_rtl_amd64.S)
# Pass ASM file directly to the C++ compiler.
set_source_files_properties(${TSAN_ASM_SOURCES} PROPERTIES
LANGUAGE C)
set(arch "x86_64")
add_compiler_rt_runtime(clang_rt.tsan-${arch} ${arch} STATIC
SOURCES ${TSAN_SOURCES} ${TSAN_ASM_SOURCES}
$<TARGET_OBJECTS:RTInterception.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommon.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommonLibc.${arch}>
CFLAGS ${TSAN_RTL_CFLAGS}
DEFS ${TSAN_COMMON_DEFINITIONS})
list(APPEND TSAN_RUNTIME_LIBRARIES clang_rt.tsan-${arch})
add_sanitizer_rt_symbols(clang_rt.tsan-${arch} rtl/tsan.syms.extra)
add_dependencies(tsan clang_rt.tsan-${arch}
clang_rt.tsan-${arch}-symbols)
endif()
add_dependencies(compiler-rt tsan)
# Sanity check for Go runtime.
set(BUILDGO_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/go/buildgo.sh)
add_custom_target(GotsanRuntimeCheck
COMMAND CC=${CMAKE_C_COMPILER} 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)
# Build libcxx instrumented with TSan.
if(TSAN_SUPPORTED_ARCH AND
COMPILER_RT_HAS_LIBCXX_SOURCES AND
COMPILER_RT_TEST_COMPILER_ID STREQUAL "Clang")
set(LIBCXX_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/libcxx_tsan)
add_custom_libcxx(libcxx_tsan ${LIBCXX_PREFIX}
DEPS ${TSAN_RUNTIME_LIBRARIES}
CFLAGS -fsanitize=thread)
endif()
if(COMPILER_RT_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
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