add_compiler_rt_component(scudo_standalone)
include_directories(../.. include)
set(SCUDO_CFLAGS)
list(APPEND SCUDO_CFLAGS
-Werror=conversion
-Wall
-Wextra
-pedantic
-g
-nostdinc++)
# Remove -stdlib= which is unused when passing -nostdinc++.
string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
append_list_if(COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG -fvisibility=hidden SCUDO_CFLAGS)
append_list_if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions SCUDO_CFLAGS)
append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic SCUDO_CFLAGS)
# FIXME: find cleaner way to agree with GWPAsan flags
append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto SCUDO_CFLAGS)
if(COMPILER_RT_DEBUG)
list(APPEND SCUDO_CFLAGS -O0 -DSCUDO_DEBUG=1 -DSCUDO_ENABLE_HOOKS=1)
else()
list(APPEND SCUDO_CFLAGS -O3)
endif()
append_list_if(COMPILER_RT_HAS_WTHREAD_SAFETY_FLAG -Werror=thread-safety
SCUDO_CFLAGS)
set(SCUDO_LINK_FLAGS)
list(APPEND SCUDO_LINK_FLAGS -Wl,-z,defs,-z,now,-z,relro)
list(APPEND SCUDO_LINK_FLAGS -ffunction-sections -fdata-sections -Wl,--gc-sections)
# We don't use the C++ standard library, so avoid including it by mistake.
append_list_if(COMPILER_RT_HAS_NOSTDLIBXX_FLAG -nostdlib++ SCUDO_LINK_FLAGS)
append_list_if(CXX_SUPPORTS_UNWINDLIB_NONE_FLAG --unwindlib=none SCUDO_LINK_FLAGS)
if(COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH)
list(APPEND SCUDO_CFLAGS "--sysroot=${COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH}")
endif()
if(ANDROID)
list(APPEND SCUDO_CFLAGS -fno-emulated-tls)
# Put the shared library in the global group. For more details, see
# android-changes-for-ndk-developers.md#changes-to-library-search-order
append_list_if(COMPILER_RT_HAS_Z_GLOBAL -Wl,-z,global SCUDO_LINK_FLAGS)
endif()
set(SCUDO_HEADERS
allocator_common.h
allocator_config.h
allocator_config_wrapper.h
atomic_helpers.h
bytemap.h
checksum.h
chunk.h
condition_variable.h
condition_variable_base.h
condition_variable_linux.h
combined.h
common.h
flags_parser.h
flags.h
fuchsia.h
internal_defs.h
linux.h
list.h
local_cache.h
memtag.h
mem_map.h
mem_map_base.h
mem_map_fuchsia.h
mem_map_linux.h
mutex.h
options.h
platform.h
primary32.h
primary64.h
quarantine.h
release.h
report.h
report_linux.h
secondary.h
size_class_map.h
stack_depot.h
stats.h
string_utils.h
timing.h
tsd_exclusive.h
tsd_shared.h
tsd.h
vector.h
wrappers_c_checks.h
wrappers_c.h
include/scudo/interface.h
)
set(SCUDO_SOURCES
checksum.cpp
common.cpp
condition_variable_linux.cpp
crc32_hw.cpp
flags_parser.cpp
flags.cpp
fuchsia.cpp
linux.cpp
mem_map.cpp
mem_map_fuchsia.cpp
mem_map_linux.cpp
release.cpp
report.cpp
report_linux.cpp
string_utils.cpp
timing.cpp
)
# Temporary hack until LLVM libc supports inttypes.h print format macros
# See: https://github.com/llvm/llvm-project/issues/63317#issuecomment-1591906241
if(LLVM_LIBC_INCLUDE_SCUDO)
list(REMOVE_ITEM SCUDO_HEADERS timing.h)
list(REMOVE_ITEM SCUDO_SOURCES timing.cpp)
endif()
# Enable the necessary instruction set for scudo_crc32.cpp, if available.
# Newer compiler versions use -mcrc32 rather than -msse4.2.
if (COMPILER_RT_HAS_MCRC32_FLAG)
set_source_files_properties(crc32_hw.cpp PROPERTIES COMPILE_FLAGS -mcrc32)
elseif (COMPILER_RT_HAS_MSSE4_2_FLAG)
set_source_files_properties(crc32_hw.cpp PROPERTIES COMPILE_FLAGS -msse4.2)
endif()
# Enable the AArch64 CRC32 feature for crc32_hw.cpp, if available.
# Note that it is enabled by default starting with armv8.1-a.
if (COMPILER_RT_HAS_MCRC_FLAG)
set_source_files_properties(crc32_hw.cpp PROPERTIES COMPILE_FLAGS -mcrc)
endif()
set(SCUDO_SOURCES_C_WRAPPERS
wrappers_c.cpp
)
set(SCUDO_SOURCES_CXX_WRAPPERS
wrappers_cpp.cpp
)
set(SCUDO_OBJECT_LIBS)
set(SCUDO_LINK_LIBS)
if (COMPILER_RT_HAS_GWP_ASAN)
if(COMPILER_RT_USE_LLVM_UNWINDER)
list(APPEND SCUDO_LINK_LIBS ${COMPILER_RT_UNWINDER_LINK_LIBS} dl)
elseif (COMPILER_RT_HAS_GCC_S_LIB)
list(APPEND SCUDO_LINK_LIBS gcc_s)
elseif (COMPILER_RT_HAS_GCC_LIB)
list(APPEND SCUDO_LINK_LIBS gcc)
elseif (NOT COMPILER_RT_USE_BUILTINS_LIBRARY)
message(FATAL_ERROR "No suitable unwinder library")
endif()
add_dependencies(scudo_standalone gwp_asan)
list(APPEND SCUDO_OBJECT_LIBS
RTGwpAsan RTGwpAsanBacktraceLibc RTGwpAsanSegvHandler
RTGwpAsanOptionsParser)
append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer
-mno-omit-leaf-frame-pointer
SCUDO_CFLAGS)
list(APPEND SCUDO_CFLAGS -DGWP_ASAN_HOOKS)
endif()
if(COMPILER_RT_BUILD_SCUDO_STANDALONE_WITH_LLVM_LIBC)
include_directories(${COMPILER_RT_BINARY_DIR}/../libc/include/)
set(SCUDO_DEPS libc-headers)
list(APPEND SCUDO_CFLAGS "-ffreestanding")
endif()
append_list_if(COMPILER_RT_HAS_LIBPTHREAD -pthread SCUDO_LINK_FLAGS)
append_list_if(FUCHSIA zircon SCUDO_LINK_LIBS)
if(COMPILER_RT_DEFAULT_TARGET_ARCH MATCHES "mips|mips64|mipsel|mips64el")
list(APPEND SCUDO_LINK_LIBS atomic)
endif()
add_compiler_rt_object_libraries(RTScudoStandalone
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_object_libraries(RTScudoStandaloneCWrappers
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_C_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_object_libraries(RTScudoStandaloneCxxWrappers
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_runtime(clang_rt.scudo_standalone
STATIC
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
PARENT_TARGET scudo_standalone)
add_compiler_rt_runtime(clang_rt.scudo_standalone_cxx
STATIC
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
PARENT_TARGET scudo_standalone)
if(COMPILER_RT_SCUDO_STANDALONE_BUILD_SHARED)
add_compiler_rt_runtime(clang_rt.scudo_standalone
SHARED
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS} ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
LINK_FLAGS ${SCUDO_LINK_FLAGS}
LINK_LIBS ${SCUDO_LINK_LIBS}
PARENT_TARGET scudo_standalone)
endif()
if(COMPILER_RT_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
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