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# Build for the undefined behavior sanitizer runtime support library.
check_list_contains(COMPILER_RT_HAS_UBSAN COMPILER_RT_RUNTIMES_TO_BUILD ubsan)
set(UBSAN_SOURCES
ubsan_diag.cc
ubsan_init.cc
ubsan_flags.cc
ubsan_handlers.cc
ubsan_value.cc
)
set(UBSAN_STANDALONE_SOURCES
ubsan_init_standalone.cc
)
set(UBSAN_CXX_SOURCES
ubsan_handlers_cxx.cc
ubsan_type_hash.cc
ubsan_type_hash_itanium.cc
ubsan_type_hash_win.cc
)
include_directories(..)
set(UBSAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_no_rtti_flag(UBSAN_CFLAGS)
set(UBSAN_STANDALONE_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_no_rtti_flag(UBSAN_STANDALONE_CFLAGS)
set(UBSAN_CXXFLAGS ${SANITIZER_COMMON_CFLAGS})
add_custom_target(ubsan)
if(APPLE)
set(UBSAN_COMMON_SOURCES ${UBSAN_SOURCES})
if(SANITIZER_CAN_USE_CXXABI)
list(APPEND UBSAN_COMMON_SOURCES ${UBSAN_CXX_SOURCES})
endif()
# Common parts of UBSan runtime.
add_compiler_rt_object_libraries(RTUbsan
OS ${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${UBSAN_COMMON_SUPPORTED_ARCH}
SOURCES ${UBSAN_COMMON_SOURCES}
CFLAGS ${UBSAN_CXXFLAGS})
if(COMPILER_RT_HAS_UBSAN)
# Initializer of standalone UBSan runtime.
add_compiler_rt_object_libraries(RTUbsan_standalone
OS ${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${UBSAN_SUPPORTED_ARCH}
SOURCES ${UBSAN_STANDALONE_SOURCES}
CFLAGS ${UBSAN_STANDALONE_CFLAGS})
add_compiler_rt_runtime(clang_rt.ubsan
SHARED
OS ${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${UBSAN_SUPPORTED_ARCH}
OBJECT_LIBS RTUbsan
RTUbsan_standalone
RTSanitizerCommon
RTSanitizerCommonLibc
PARENT_TARGET ubsan)
endif()
else()
# Common parts of UBSan runtime.
add_compiler_rt_object_libraries(RTUbsan
ARCHS ${UBSAN_COMMON_SUPPORTED_ARCH}
SOURCES ${UBSAN_SOURCES} CFLAGS ${UBSAN_CFLAGS})
# C++-specific parts of UBSan runtime. Requires a C++ ABI library.
add_compiler_rt_object_libraries(RTUbsan_cxx
ARCHS ${UBSAN_COMMON_SUPPORTED_ARCH}
SOURCES ${UBSAN_CXX_SOURCES} CFLAGS ${UBSAN_CXXFLAGS})
if(COMPILER_RT_HAS_UBSAN)
# Initializer of standalone UBSan runtime.
add_compiler_rt_object_libraries(RTUbsan_standalone
ARCHS ${UBSAN_SUPPORTED_ARCH}
SOURCES ${UBSAN_STANDALONE_SOURCES} CFLAGS ${UBSAN_STANDALONE_CFLAGS})
# Standalone UBSan runtimes.
add_compiler_rt_runtime(clang_rt.ubsan_standalone
STATIC
ARCHS ${UBSAN_SUPPORTED_ARCH}
OBJECT_LIBS RTSanitizerCommon
RTSanitizerCommonLibc
RTUbsan
RTUbsan_standalone
CFLAGS ${UBSAN_CFLAGS}
PARENT_TARGET ubsan)
add_compiler_rt_runtime(clang_rt.ubsan_standalone_cxx
STATIC
ARCHS ${UBSAN_SUPPORTED_ARCH}
OBJECT_LIBS RTUbsan_cxx
CFLAGS ${UBSAN_CXXFLAGS}
PARENT_TARGET ubsan)
if (UNIX)
set(ARCHS_FOR_SYMBOLS ${UBSAN_SUPPORTED_ARCH})
list(REMOVE_ITEM ARCHS_FOR_SYMBOLS i386 i686)
add_sanitizer_rt_symbols(clang_rt.ubsan_standalone
ARCHS ${ARCHS_FOR_SYMBOLS}
PARENT_TARGET ubsan
EXTRA ubsan.syms.extra)
add_sanitizer_rt_symbols(clang_rt.ubsan_standalone_cxx
ARCHS ${ARCHS_FOR_SYMBOLS}
PARENT_TARGET ubsan
EXTRA ubsan.syms.extra)
endif()
endif()
endif()
add_dependencies(compiler-rt ubsan)
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