| # Build for the AddressSanitizer runtime support library. |
| |
| set(ASAN_SOURCES |
| asan_allocator.cc |
| asan_activation.cc |
| asan_debugging.cc |
| asan_fake_stack.cc |
| asan_flags.cc |
| asan_globals.cc |
| asan_interceptors.cc |
| asan_linux.cc |
| asan_mac.cc |
| asan_malloc_linux.cc |
| asan_malloc_mac.cc |
| asan_malloc_win.cc |
| asan_poisoning.cc |
| asan_posix.cc |
| asan_report.cc |
| asan_rtl.cc |
| asan_stack.cc |
| asan_stats.cc |
| asan_suppressions.cc |
| asan_thread.cc |
| asan_win.cc) |
| |
| set(ASAN_CXX_SOURCES |
| asan_new_delete.cc) |
| |
| set(ASAN_PREINIT_SOURCES |
| asan_preinit.cc) |
| |
| include_directories(..) |
| |
| set(ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS}) |
| append_no_rtti_flag(ASAN_CFLAGS) |
| |
| set(ASAN_COMMON_DEFINITIONS |
| ASAN_HAS_EXCEPTIONS=1) |
| |
| set(ASAN_DYNAMIC_LINK_FLAGS) |
| |
| if(ANDROID) |
| list(APPEND ASAN_COMMON_DEFINITIONS |
| ASAN_LOW_MEMORY=1) |
| # 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 ASAN_DYNAMIC_LINK_FLAGS -Wl,-z,global) |
| endif() |
| endif() |
| |
| set(ASAN_DYNAMIC_DEFINITIONS |
| ${ASAN_COMMON_DEFINITIONS} ASAN_DYNAMIC=1) |
| append_list_if(WIN32 INTERCEPTION_DYNAMIC_CRT ASAN_DYNAMIC_DEFINITIONS) |
| |
| set(ASAN_DYNAMIC_CFLAGS ${ASAN_CFLAGS}) |
| append_list_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC |
| -ftls-model=initial-exec ASAN_DYNAMIC_CFLAGS) |
| append_list_if(MSVC /DEBUG ASAN_DYNAMIC_CFLAGS) |
| |
| append_list_if(COMPILER_RT_HAS_LIBC c ASAN_DYNAMIC_LIBS) |
| append_list_if(COMPILER_RT_HAS_LIBDL dl ASAN_DYNAMIC_LIBS) |
| append_list_if(COMPILER_RT_HAS_LIBRT rt ASAN_DYNAMIC_LIBS) |
| append_list_if(COMPILER_RT_HAS_LIBM m ASAN_DYNAMIC_LIBS) |
| append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread ASAN_DYNAMIC_LIBS) |
| append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ ASAN_DYNAMIC_LIBS) |
| append_list_if(COMPILER_RT_HAS_LIBLOG log ASAN_DYNAMIC_LIBS) |
| |
| # Compile ASan sources into an object library. |
| |
| add_compiler_rt_object_libraries(RTAsan_dynamic |
| OS ${SANITIZER_COMMON_SUPPORTED_OS} |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| SOURCES ${ASAN_SOURCES} ${ASAN_CXX_SOURCES} |
| CFLAGS ${ASAN_DYNAMIC_CFLAGS} |
| DEFS ${ASAN_DYNAMIC_DEFINITIONS}) |
| |
| if(NOT APPLE) |
| add_compiler_rt_object_libraries(RTAsan |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| SOURCES ${ASAN_SOURCES} CFLAGS ${ASAN_CFLAGS} |
| DEFS ${ASAN_COMMON_DEFINITIONS}) |
| add_compiler_rt_object_libraries(RTAsan_cxx |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| SOURCES ${ASAN_CXX_SOURCES} CFLAGS ${ASAN_CFLAGS} |
| DEFS ${ASAN_COMMON_DEFINITIONS}) |
| add_compiler_rt_object_libraries(RTAsan_preinit |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| SOURCES ${ASAN_PREINIT_SOURCES} CFLAGS ${ASAN_CFLAGS} |
| DEFS ${ASAN_COMMON_DEFINITIONS}) |
| |
| file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc "") |
| add_compiler_rt_object_libraries(RTAsan_dynamic_version_script_dummy |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc |
| CFLAGS ${ASAN_DYNAMIC_CFLAGS} |
| DEFS ${ASAN_DYNAMIC_DEFINITIONS}) |
| endif() |
| |
| # Build ASan runtimes shipped with Clang. |
| add_custom_target(asan) |
| if(APPLE) |
| add_compiler_rt_runtime(clang_rt.asan |
| SHARED |
| OS ${SANITIZER_COMMON_SUPPORTED_OS} |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| OBJECT_LIBS RTAsan_dynamic |
| RTInterception |
| RTSanitizerCommon |
| RTSanitizerCommonLibc |
| RTLSanCommon |
| RTUbsan |
| CFLAGS ${ASAN_DYNAMIC_CFLAGS} |
| DEFS ${ASAN_DYNAMIC_DEFINITIONS} |
| PARENT_TARGET asan) |
| else() |
| # Build separate libraries for each target. |
| |
| set(ASAN_COMMON_RUNTIME_OBJECT_LIBS |
| RTInterception |
| RTSanitizerCommon |
| RTSanitizerCommonLibc |
| RTLSanCommon |
| RTUbsan) |
| |
| add_compiler_rt_runtime(clang_rt.asan |
| STATIC |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| OBJECT_LIBS RTAsan_preinit |
| RTAsan |
| ${ASAN_COMMON_RUNTIME_OBJECT_LIBS} |
| CFLAGS ${ASAN_CFLAGS} |
| DEFS ${ASAN_COMMON_DEFINITIONS} |
| PARENT_TARGET asan) |
| |
| add_compiler_rt_runtime(clang_rt.asan_cxx |
| STATIC |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| OBJECT_LIBS RTAsan_cxx |
| RTUbsan_cxx |
| CFLAGS ${ASAN_CFLAGS} |
| DEFS ${ASAN_COMMON_DEFINITIONS} |
| PARENT_TARGET asan) |
| |
| add_compiler_rt_runtime(clang_rt.asan-preinit |
| STATIC |
| ARCHS ${ASAN_SUPPORTED_ARCH} |
| OBJECT_LIBS RTAsan_preinit |
| CFLAGS ${ASAN_CFLAGS} |
| DEFS ${ASAN_COMMON_DEFINITIONS} |
| PARENT_TARGET asan) |
| |
| foreach(arch ${ASAN_SUPPORTED_ARCH}) |
| if (UNIX AND NOT ${arch} MATCHES "i386|i686") |
| add_sanitizer_rt_version_list(clang_rt.asan-dynamic-${arch} |
| LIBS clang_rt.asan-${arch} clang_rt.asan_cxx-${arch} |
| EXTRA asan.syms.extra) |
| set(VERSION_SCRIPT_FLAG |
| -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/clang_rt.asan-dynamic-${arch}.vers) |
| set_source_files_properties( |
| ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc |
| PROPERTIES |
| OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/clang_rt.asan-dynamic-${arch}.vers) |
| else() |
| set(VERSION_SCRIPT_FLAG) |
| endif() |
| |
| add_compiler_rt_runtime(clang_rt.asan |
| SHARED |
| ARCHS ${arch} |
| OBJECT_LIBS ${ASAN_COMMON_RUNTIME_OBJECT_LIBS} |
| RTAsan_dynamic |
| # The only purpose of RTAsan_dynamic_version_script_dummy is to carry |
| # a dependency of the shared runtime on the version script. With CMake |
| # 3.1 or later it can be replaced with a straightforward |
| # add_dependencies(clang_rt.asan-dynamic-${arch} clang_rt.asan-dynamic-${arch}-version-list) |
| RTAsan_dynamic_version_script_dummy |
| RTUbsan_cxx |
| CFLAGS ${ASAN_DYNAMIC_CFLAGS} |
| LINKFLAGS ${ASAN_DYNAMIC_LINK_FLAGS} |
| ${VERSION_SCRIPT_FLAG} |
| LINK_LIBS ${ASAN_DYNAMIC_LIBS} |
| DEFS ${ASAN_DYNAMIC_DEFINITIONS} |
| PARENT_TARGET asan) |
| |
| if (UNIX AND NOT ${arch} MATCHES "i386|i686") |
| add_sanitizer_rt_symbols(clang_rt.asan_cxx |
| ARCHS ${arch}) |
| add_dependencies(asan clang_rt.asan_cxx-${arch}-symbols) |
| add_sanitizer_rt_symbols(clang_rt.asan |
| ARCHS ${arch} |
| EXTRA asan.syms.extra) |
| add_dependencies(asan clang_rt.asan-${arch}-symbols) |
| endif() |
| |
| if (WIN32) |
| add_compiler_rt_runtime(clang_rt.asan_dll_thunk |
| STATIC |
| ARCHS ${arch} |
| SOURCES asan_win_dll_thunk.cc |
| $<TARGET_OBJECTS:RTInterception.${arch}> |
| CFLAGS ${ASAN_CFLAGS} -DASAN_DLL_THUNK |
| DEFS ${ASAN_COMMON_DEFINITIONS} |
| PARENT_TARGET asan) |
| add_compiler_rt_runtime(clang_rt.asan_dynamic_runtime_thunk |
| STATIC |
| ARCHS ${arch} |
| SOURCES asan_win_dynamic_runtime_thunk.cc |
| CFLAGS ${ASAN_CFLAGS} -DASAN_DYNAMIC_RUNTIME_THUNK -Zl |
| DEFS ${ASAN_COMMON_DEFINITIONS} |
| PARENT_TARGET asan) |
| endif() |
| endforeach() |
| endif() |
| |
| add_compiler_rt_resource_file(asan_blacklist asan_blacklist.txt) |
| add_dependencies(asan asan_blacklist) |
| add_dependencies(compiler-rt asan) |
| |
| add_subdirectory(scripts) |
| |
| if(COMPILER_RT_INCLUDE_TESTS) |
| add_subdirectory(tests) |
| endif() |
