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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)
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)
# 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}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
endforeach()
elseif(ANDROID)
add_library(RTAsan.arm.android OBJECT ${ASAN_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})
endforeach()
endif()
# Build ASan runtimes shipped with Clang.
set(ASAN_RUNTIME_LIBRARIES)
if(APPLE)
foreach (os ${SANITIZER_COMMON_SUPPORTED_DARWIN_OS})
# Dynamic lookup is needed because shadow scale and offset are
# provided by the instrumented modules.
set(ASAN_RUNTIME_LDFLAGS
"-undefined dynamic_lookup")
if (os STREQUAL "osx")
list(APPEND ASAN_RUNTIME_LDFLAGS "-framework Foundation")
endif()
add_compiler_rt_darwin_dynamic_runtime(clang_rt.asan_${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}
LINKFLAGS ${ASAN_RUNTIME_LDFLAGS})
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan_${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)
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-arm-android)
else()
# Build separate libraries for each target.
foreach(arch ${ASAN_SUPPORTED_ARCH})
set(ASAN_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTAsan.${arch}>
$<TARGET_OBJECTS:RTInterception.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommon.${arch}>
$<TARGET_OBJECTS:RTSanitizerCommonLibc.${arch}>)
if (NOT MSVC)
# We can't build Leak Sanitizer on Windows yet.
list(APPEND ASAN_RUNTIME_OBJECTS $<TARGET_OBJECTS:RTLSanCommon.${arch}>)
endif()
add_compiler_rt_static_runtime(clang_rt.asan-${arch} ${arch}
SOURCES ${ASAN_RUNTIME_OBJECTS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-${arch})
if (UNIX AND NOT ${arch} STREQUAL "i386")
add_sanitizer_rt_symbols(clang_rt.asan-${arch} asan.syms.extra)
list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-${arch}-symbols)
endif()
if (WIN32)
add_compiler_rt_static_runtime(clang_rt.asan_dll_thunk-${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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