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# Build for the AddressSanitizer runtime support library.
if(APPLE)
# Don't set rpath for the ASan libraries. Developers are encouraged to ship
# their binaries together with the corresponding ASan runtime libraries,
# so they'll anyway need to fix the rpath and the install name.
set(CMAKE_BUILD_WITH_INSTALL_RPATH OFF)
endif()
set(ASAN_SOURCES
asan_allocator2.cc
asan_activation.cc
asan_fake_stack.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_thread.cc
asan_win.cc)
set(ASAN_CXX_SOURCES
asan_new_delete.cc)
set(ASAN_PREINIT_SOURCES
asan_preinit.cc)
include_directories(..)
if(ANDROID)
include_directories(${COMPILER_RT_EXTRA_ANDROID_HEADERS})
endif()
set(ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_no_rtti_flag(ASAN_CFLAGS)
set(ASAN_COMMON_DEFINITIONS
ASAN_HAS_EXCEPTIONS=1)
if(ANDROID)
list(APPEND ASAN_COMMON_DEFINITIONS
ASAN_LOW_MEMORY=1)
endif()
set(ASAN_DYNAMIC_DEFINITIONS
${ASAN_COMMON_DEFINITIONS} ASAN_DYNAMIC=1)
set(ASAN_DYNAMIC_CFLAGS ${ASAN_CFLAGS})
append_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC
-ftls-model=initial-exec ASAN_DYNAMIC_CFLAGS)
set(ASAN_DYNAMIC_LIBS stdc++ m c)
append_if(COMPILER_RT_HAS_LIBPTHREAD pthread ASAN_DYNAMIC_LIBS)
append_if(COMPILER_RT_HAS_LIBDL dl ASAN_DYNAMIC_LIBS)
# Compile ASan sources into an object library.
if(APPLE)
foreach(os ${SANITIZER_COMMON_SUPPORTED_DARWIN_OS})
add_compiler_rt_darwin_object_library(RTAsan ${os}
ARCH ${ASAN_SUPPORTED_ARCH}
SOURCES ${ASAN_SOURCES} ${ASAN_CXX_SOURCES}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
endforeach()
elseif(ANDROID)
add_library(RTAsan.arm.android OBJECT ${ASAN_SOURCES} ${ASAN_CXX_SOURCES})
set_target_compile_flags(RTAsan.arm.android ${ASAN_CFLAGS})
set_property(TARGET RTAsan.arm.android APPEND PROPERTY
COMPILE_DEFINITIONS ${ASAN_COMMON_DEFINITIONS})
else()
foreach(arch ${ASAN_SUPPORTED_ARCH})
add_compiler_rt_object_library(RTAsan ${arch}
SOURCES ${ASAN_SOURCES} CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_compiler_rt_object_library(RTAsan_cxx ${arch}
SOURCES ${ASAN_CXX_SOURCES} CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_compiler_rt_object_library(RTAsan_preinit ${arch}
SOURCES ${ASAN_PREINIT_SOURCES} CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
if (COMPILER_RT_BUILD_SHARED_ASAN)
add_compiler_rt_object_library(RTAsan_dynamic ${arch}
SOURCES ${ASAN_SOURCES} ${ASAN_CXX_SOURCES}
CFLAGS ${ASAN_DYNAMIC_CFLAGS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS})
endif()
endforeach()
endif()
# Build ASan runtimes shipped with Clang.
add_custom_target(asan)
if(APPLE)
foreach (os ${SANITIZER_COMMON_SUPPORTED_DARWIN_OS})
add_compiler_rt_darwin_dynamic_runtime(clang_rt.asan_${os}_dynamic ${os}
ARCH ${ASAN_SUPPORTED_ARCH}
SOURCES $<TARGET_OBJECTS:RTAsan.${os}>
$<TARGET_OBJECTS:RTInterception.${os}>
$<TARGET_OBJECTS:RTSanitizerCommon.${os}>
$<TARGET_OBJECTS:RTLSanCommon.${os}>
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_dependencies(asan clang_rt.asan_${os}_dynamic)
endforeach()
elseif(ANDROID)
add_library(clang_rt.asan-arm-android SHARED
$<TARGET_OBJECTS:RTAsan.arm.android>
$<TARGET_OBJECTS:RTInterception.arm.android>
$<TARGET_OBJECTS:RTSanitizerCommon.arm.android>)
set_target_compile_flags(clang_rt.asan-arm-android
${ASAN_CFLAGS})
set_property(TARGET clang_rt.asan-arm-android APPEND PROPERTY
COMPILE_DEFINITIONS ${ASAN_COMMON_DEFINITIONS})
target_link_libraries(clang_rt.asan-arm-android dl log)
add_dependencies(asan clang_rt.asan-arm-android)
install(TARGETS clang_rt.asan-arm-android
ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
else()
# Build separate libraries for each target.
foreach(arch ${ASAN_SUPPORTED_ARCH})
set(ASAN_COMMON_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTInterception.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommon.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommonLibc.${arch}>)
if (NOT WIN32)
# We can't build Leak Sanitizer on Windows yet.
list(APPEND ASAN_COMMON_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTLSanCommon.${arch}>)
endif()
add_compiler_rt_runtime(clang_rt.asan-${arch} ${arch} STATIC
SOURCES $<TARGET_OBJECTS:RTAsan_preinit.${arch}>
$<TARGET_OBJECTS:RTAsan.${arch}>
${ASAN_COMMON_RUNTIME_OBJECTS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_dependencies(asan clang_rt.asan-${arch})
add_compiler_rt_runtime(clang_rt.asan_cxx-${arch} ${arch} STATIC
SOURCES $<TARGET_OBJECTS:RTAsan_cxx.${arch}>
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_dependencies(asan clang_rt.asan_cxx-${arch})
if (COMPILER_RT_BUILD_SHARED_ASAN)
add_compiler_rt_runtime(clang_rt.asan-preinit-${arch} ${arch} STATIC
SOURCES $<TARGET_OBJECTS:RTAsan_preinit.${arch}>
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_dependencies(asan clang_rt.asan-preinit-${arch})
add_compiler_rt_runtime(clang_rt.asan-dynamic-${arch} ${arch} SHARED
OUTPUT_NAME clang_rt.asan-${arch}
SOURCES $<TARGET_OBJECTS:RTAsan_dynamic.${arch}>
${ASAN_COMMON_RUNTIME_OBJECTS}
CFLAGS ${ASAN_DYNAMIC_CFLAGS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS})
target_link_libraries(clang_rt.asan-dynamic-${arch} ${ASAN_DYNAMIC_LIBS})
add_dependencies(asan clang_rt.asan-dynamic-${arch})
endif()
if (UNIX AND NOT ${arch} STREQUAL "i386")
add_sanitizer_rt_symbols(clang_rt.asan_cxx-${arch})
add_dependencies(asan clang_rt.asan_cxx-${arch}-symbols)
add_sanitizer_rt_symbols(clang_rt.asan-${arch} asan.syms.extra)
add_dependencies(asan clang_rt.asan-${arch}-symbols)
endif()
if (WIN32)
add_compiler_rt_runtime(clang_rt.asan_dll_thunk-${arch} ${arch} STATIC
SOURCES asan_dll_thunk.cc
$<TARGET_OBJECTS:RTInterception.${arch}>
CFLAGS ${ASAN_CFLAGS} -DASAN_DLL_THUNK -DSANITIZER_DLL_THUNK
DEFS ${ASAN_COMMON_DEFINITIONS})
add_dependencies(asan clang_rt.asan_dll_thunk-${arch})
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()
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