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include_directories(..)
# Runtime library sources and build flags.
set(HWASAN_RTL_SOURCES
hwasan.cc
hwasan_allocator.cc
hwasan_dynamic_shadow.cc
hwasan_interceptors.cc
hwasan_linux.cc
hwasan_memintrinsics.cc
hwasan_poisoning.cc
hwasan_report.cc
hwasan_thread.cc
hwasan_thread_list.cc
)
set(HWASAN_RTL_CXX_SOURCES
hwasan_new_delete.cc)
set(HWASAN_RTL_HEADERS
hwasan.h
hwasan_allocator.h
hwasan_dynamic_shadow.h
hwasan_flags.h
hwasan_flags.inc
hwasan_interface_internal.h
hwasan_mapping.h
hwasan_poisoning.h
hwasan_report.h
hwasan_thread.h
hwasan_thread_list.h
)
set(HWASAN_DEFINITIONS)
append_list_if(COMPILER_RT_HWASAN_WITH_INTERCEPTORS HWASAN_WITH_INTERCEPTORS=1 HWASAN_DEFINITIONS)
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)
# Put most Sanitizer shared libraries in the global group. For more details, see
# android-changes-for-ndk-developers.md#changes-to-library-search-order
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)
if (TARGET cxx-headers OR HAVE_LIBCXX)
set(HWASAN_DEPS cxx-headers)
endif()
# Static runtime library.
add_compiler_rt_component(hwasan)
add_compiler_rt_object_libraries(RTHwasan
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_SOURCES}
ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
CFLAGS ${HWASAN_RTL_CFLAGS}
DEFS ${HWASAN_DEFINITIONS}
DEPS ${HWASAN_DEPS})
add_compiler_rt_object_libraries(RTHwasan_cxx
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_CXX_SOURCES}
ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
CFLAGS ${HWASAN_RTL_CFLAGS}
DEFS ${HWASAN_DEFINITIONS}
DEPS ${HWASAN_DEPS})
add_compiler_rt_object_libraries(RTHwasan_dynamic
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_SOURCES} ${HWASAN_RTL_CXX_SOURCES}
ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
CFLAGS ${HWASAN_DYNAMIC_CFLAGS}
DEFS ${HWASAN_DEFINITIONS}
DEPS ${HWASAN_DEPS})
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}
DEFS ${HWASAN_DEFINITIONS}
DEPS ${HWASAN_DEPS})
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 ${arch}
OBJECT_LIBS
RTHwasan_dynamic
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTUbsan
RTUbsan_cxx
# The only purpose of RTHWAsan_dynamic_version_script_dummy is to
# carry a dependency of the shared runtime on the version script.
# Replacing it with a straightforward
# add_dependencies(clang_rt.asan-dynamic-${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(SANITIZER_USE_SYMBOLS)
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()
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