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add_compiler_rt_component(gwp_asan)
include_directories(..)
set(GWP_ASAN_SOURCES
common.cpp
crash_handler.cpp
platform_specific/common_posix.cpp
platform_specific/guarded_pool_allocator_posix.cpp
platform_specific/mutex_posix.cpp
platform_specific/utilities_posix.cpp
guarded_pool_allocator.cpp
stack_trace_compressor.cpp
)
set(GWP_ASAN_HEADERS
common.h
crash_handler.h
definitions.h
guarded_pool_allocator.h
mutex.h
options.h
options.inc
platform_specific/guarded_pool_allocator_fuchsia.h
platform_specific/guarded_pool_allocator_posix.h
platform_specific/guarded_pool_allocator_tls.h
platform_specific/mutex_fuchsia.h
platform_specific/mutex_posix.h
stack_trace_compressor.h
utilities.h
)
# Ensure that GWP-ASan meets the delegated requirements of some supporting
# allocators. Some supporting allocators (e.g. scudo standalone) cannot use any
# parts of the C++ standard library.
set(GWP_ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS} -fno-rtti -fno-exceptions
-nostdinc++ -pthread -fno-omit-frame-pointer)
append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC GWP_ASAN_CFLAGS)
# append_list_if(COMPILER_RT_HAS_SANITIZER_COMMON ${SANITIZER_COMMON_CFLAGS} GWP_ASAN_CFLAGS)
# Remove -stdlib= which is unused when passing -nostdinc++.
string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
# Options parsing support is optional. This is an optional library that can be
# used by an allocator to automatically parse GwpAsan options from the
# environment variable GWP_ASAN_FLAGS, but the allocator can choose to implement
# its own options parsing and populate the Options struct itself.
set(GWP_ASAN_OPTIONS_PARSER_SOURCES
optional/options_parser.cpp
)
set(GWP_ASAN_OPTIONS_PARSER_HEADERS
optional/options_parser.h
options.h
options.inc
)
set(GWP_ASAN_BACKTRACE_HEADERS
optional/backtrace.h
options.h
options.inc
)
set(GWP_ASAN_SEGV_HANDLER_HEADERS
optional/segv_handler.h
options.h)
set(GWP_ASAN_OPTIONS_PARSER_CFLAGS
${GWP_ASAN_CFLAGS})
if (COMPILER_RT_HAS_GWP_ASAN)
foreach(arch ${GWP_ASAN_SUPPORTED_ARCH})
add_compiler_rt_runtime(
clang_rt.gwp_asan
STATIC
ARCHS ${arch}
SOURCES ${GWP_ASAN_SOURCES}
ADDITIONAL_HEADERS ${GWP_ASAN_HEADERS}
CFLAGS ${GWP_ASAN_CFLAGS}
PARENT_TARGET gwp_asan
)
endforeach()
add_compiler_rt_object_libraries(RTGwpAsan
ARCHS ${GWP_ASAN_SUPPORTED_ARCH}
SOURCES ${GWP_ASAN_SOURCES}
ADDITIONAL_HEADERS ${GWP_ASAN_HEADERS}
CFLAGS ${GWP_ASAN_CFLAGS})
add_compiler_rt_object_libraries(RTGwpAsanOptionsParser
ARCHS ${GWP_ASAN_SUPPORTED_ARCH}
SOURCES ${GWP_ASAN_OPTIONS_PARSER_SOURCES}
ADDITIONAL_HEADERS ${GWP_ASAN_OPTIONS_PARSER_HEADERS}
CFLAGS ${GWP_ASAN_OPTIONS_PARSER_CFLAGS})
# As above, build the pre-implemented optional backtrace support libraries.
add_compiler_rt_object_libraries(RTGwpAsanBacktraceLibc
ARCHS ${GWP_ASAN_SUPPORTED_ARCH}
SOURCES optional/backtrace_linux_libc.cpp
ADDITIONAL_HEADERS ${GWP_ASAN_BACKTRACE_HEADERS}
CFLAGS ${GWP_ASAN_CFLAGS})
add_compiler_rt_object_libraries(RTGwpAsanSegvHandler
ARCHS ${GWP_ASAN_SUPPORTED_ARCH}
SOURCES optional/segv_handler_posix.cpp
ADDITIONAL_HEADERS ${GWP_ASAN_SEGV_HANDLER_HEADERS}
CFLAGS ${GWP_ASAN_CFLAGS})
add_compiler_rt_object_libraries(RTGwpAsanBacktraceSanitizerCommon
ARCHS ${GWP_ASAN_SUPPORTED_ARCH}
SOURCES optional/backtrace_sanitizer_common.cpp
ADDITIONAL_HEADERS ${GWP_ASAN_BACKTRACE_HEADERS}
CFLAGS ${GWP_ASAN_CFLAGS} ${SANITIZER_COMMON_CFLAGS})
endif()
if(COMPILER_RT_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
|
