llvm-project/compiler-rt/lib/hwasan/CMakeLists.txt

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include_directories(..)
# Runtime library sources and build flags.
set(HWASAN_RTL_SOURCES
hwasan.cc
hwasan_allocator.cc
hwasan_interceptors.cc
hwasan_linux.cc
hwasan_report.cc
hwasan_thread.cc
hwasan_poisoning.cc
)
set(HWASAN_RTL_CXX_SOURCES
hwasan_new_delete.cc)
set(HWASAN_RTL_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_rtti_flag(OFF HWASAN_RTL_CFLAGS)
append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC HWASAN_RTL_CFLAGS)
# Prevent clang from generating libc calls.
append_list_if(COMPILER_RT_HAS_FFREESTANDING_FLAG -ffreestanding HWASAN_RTL_CFLAGS)
set(HWASAN_DYNAMIC_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
if(ANDROID)
# On Android, -z global does not do what it is documented to do.
# On Android, -z global moves the library ahead in the lookup order,
# placing it right after the LD_PRELOADs. This is used to compensate for the fact
# that Android linker does not look at the dependencies of the main executable
# that aren't dependencies of the current DSO when resolving symbols from said DSO.
# As a net result, this allows running ASan executables without LD_PRELOAD-ing the
# ASan runtime library.
# The above is applicable to L MR1 or newer.
if (COMPILER_RT_HAS_Z_GLOBAL)
list(APPEND HWASAN_DYNAMIC_LINK_FLAGS -Wl,-z,global)
endif()
endif()
set(HWASAN_DYNAMIC_CFLAGS ${HWASAN_RTL_CFLAGS})
append_list_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC
-ftls-model=initial-exec HWASAN_DYNAMIC_CFLAGS)
append_list_if(MSVC /DEBUG HWASAN_DYNAMIC_LINK_FLAGS)
set(HWASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY} ${SANITIZER_COMMON_LINK_LIBS})
append_list_if(COMPILER_RT_HAS_LIBDL dl HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBRT rt HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBM m HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBLOG log HWASAN_DYNAMIC_LIBS)
# Static runtime library.
add_compiler_rt_component(hwasan)
add_compiler_rt_object_libraries(RTHwasan
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_SOURCES} CFLAGS ${HWASAN_RTL_CFLAGS})
add_compiler_rt_object_libraries(RTHwasan_cxx
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_CXX_SOURCES} CFLAGS ${HWASAN_RTL_CFLAGS})
add_compiler_rt_object_libraries(RTHwasan_dynamic
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_SOURCES} ${TSAN_RTL_CXX_SOURCES}
CFLAGS ${HWASAN_DYNAMIC_CFLAGS})
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc "")
add_compiler_rt_object_libraries(RTHwasan_dynamic_version_script_dummy
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc
CFLAGS ${HWASAN_DYNAMIC_CFLAGS})
foreach(arch ${HWASAN_SUPPORTED_ARCH})
add_compiler_rt_runtime(clang_rt.hwasan
STATIC
ARCHS ${arch}
OBJECT_LIBS RTHwasan
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTUbsan
CFLAGS ${HWASAN_RTL_CFLAGS}
PARENT_TARGET hwasan)
add_compiler_rt_runtime(clang_rt.hwasan_cxx
STATIC
ARCHS ${arch}
OBJECT_LIBS RTHwasan_cxx
RTUbsan_cxx
CFLAGS ${HWASAN_RTL_CFLAGS}
PARENT_TARGET hwasan)
if (UNIX)
add_sanitizer_rt_version_list(clang_rt.hwasan-dynamic-${arch}
LIBS clang_rt.hwasan-${arch} clang_rt.hwasan_cxx-${arch}
EXTRA hwasan.syms.extra)
set(VERSION_SCRIPT_FLAG
-Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/clang_rt.hwasan-dynamic-${arch}.vers)
set_property(SOURCE
${CMAKE_CURRENT_BINARY_DIR}/dummy.cc
APPEND PROPERTY
OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/clang_rt.hwasan-dynamic-${arch}.vers)
else()
set(VERSION_SCRIPT_FLAG)
endif()
add_compiler_rt_runtime(clang_rt.hwasan
SHARED
ARCHS ${arch}
OBJECT_LIBS
RTHwasan_dynamic
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTUbsan
# The only purpose of RTHWAsan_dynamic_version_script_dummy is to
# carry a dependency of the shared runtime on the version script.
# Replacing it with a straightforward
# add_dependencies(clang_rt.asan-dynamic-${arch} clang_rt.asan-dynamic-${arch}-version-list)
# generates an order-only dependency in ninja.
RTHwasan_dynamic_version_script_dummy
CFLAGS ${HWASAN_DYNAMIC_CFLAGS}
LINK_FLAGS ${HWASAN_DYNAMIC_LINK_FLAGS}
${VERSION_SCRIPT_FLAG}
LINK_LIBS ${HWASAN_DYNAMIC_LIBS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS}
PARENT_TARGET hwasan)
if(UNIX)
add_sanitizer_rt_symbols(clang_rt.hwasan
ARCHS ${arch}
EXTRA hwasan.syms.extra)
add_sanitizer_rt_symbols(clang_rt.hwasan_cxx
ARCHS ${arch}
EXTRA hwasan.syms.extra)
add_dependencies(hwasan clang_rt.hwasan-${arch}-symbols
clang_rt.hwasan_cxx-${arch}-symbols)
endif()
endforeach()
add_compiler_rt_resource_file(hwasan_blacklist hwasan_blacklist.txt hwasan)
# if(COMPILER_RT_INCLUDE_TESTS)
# add_subdirectory(tests)
# endif()