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# Build for the AddressSanitizer runtime support library.
set(ASAN_SOURCES
asan_allocator2.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_new_delete.cc
asan_poisoning.cc
asan_posix.cc
asan_preinit.cc
asan_report.cc
asan_rtl.cc
asan_stack.cc
asan_stats.cc
asan_thread.cc
asan_win.cc)
set(ASAN_DYLIB_SOURCES
${ASAN_SOURCES})
include_directories(..)
if (NOT MSVC)
set(ASAN_CFLAGS
${SANITIZER_COMMON_CFLAGS}
-fno-rtti)
else()
set(ASAN_CFLAGS
${SANITIZER_COMMON_CFLAGS}
/GR-)
endif()
set(ASAN_COMMON_DEFINITIONS
ASAN_HAS_EXCEPTIONS=1)
if(ANDROID)
list(APPEND ASAN_COMMON_DEFINITIONS
ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0
ASAN_NEEDS_SEGV=0
ASAN_LOW_MEMORY=1)
elseif(MSVC)
list(APPEND ASAN_COMMON_DEFINITIONS
ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0
ASAN_NEEDS_SEGV=0)
else()
list(APPEND ASAN_COMMON_DEFINITIONS
ASAN_FLEXIBLE_MAPPING_AND_OFFSET=1
ASAN_NEEDS_SEGV=1)
endif()
# Architectures supported by ASan.
filter_available_targets(ASAN_SUPPORTED_ARCH
x86_64 i386 powerpc64)
set(ASAN_RUNTIME_LIBRARIES)
if(APPLE)
# Build universal binary on APPLE.
add_compiler_rt_osx_dynamic_runtime(clang_rt.asan_osx_dynamic
ARCH ${ASAN_SUPPORTED_ARCH}
SOURCES ${ASAN_DYLIB_SOURCES}
$<TARGET_OBJECTS:RTInterception.osx>
$<TARGET_OBJECTS:RTSanitizerCommon.osx>
$<TARGET_OBJECTS:RTLSanCommon.osx>
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS}
# Dynamic lookup is needed because shadow scale and offset are
# provided by the instrumented modules.
LINKFLAGS "-framework Foundation"
"-undefined dynamic_lookup")
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan_osx_dynamic)
elseif(ANDROID)
add_library(clang_rt.asan-arm-android SHARED
${ASAN_SOURCES}
$<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)
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-arm-android)
else()
# Otherwise, build separate libraries for each target.
foreach(arch ${ASAN_SUPPORTED_ARCH})
set(ASAN_SOURCE_LIBS
$<TARGET_OBJECTS:RTInterception.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommon.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommonLibc.${arch}>)
if (NOT MSVC)
# We can't build Leak Sanitizer on Windows yet.
list(APPEND ASAN_SOURCE_LIBS $<TARGET_OBJECTS:RTLSanCommon.${arch}>)
endif()
add_compiler_rt_static_runtime(clang_rt.asan-${arch} ${arch}
SOURCES ${ASAN_SOURCES} ${ASAN_SOURCE_LIBS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_sanitizer_rt_symbols(clang_rt.asan-${arch} asan.syms.extra)
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-${arch}
clang_rt.asan-${arch}-symbols)
if (WIN32)
add_compiler_rt_static_runtime(clang_rt.asan_dll_thunk-${arch} ${arch}
SOURCES asan_dll_thunk.cc
CFLAGS ${ASAN_CFLAGS} -DASAN_DLL_THUNK
DEFS ${ASAN_COMMON_DEFINITIONS})
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan_dll_thunk-${arch})
endif()
endforeach()
endif()
add_compiler_rt_resource_file(asan_blacklist asan_blacklist.txt)
if(LLVM_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
add_subdirectory(lit_tests)
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