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# Testing rules for AddressSanitizer.
#
# These are broken into two buckets. One set of tests directly interacts with
# the runtime library and checks its functionality. These are the
# no-instrumentation tests.
#
# Another group of tests relies upon the ability to compile the test with
# address sanitizer instrumentation pass. These tests form "integration" tests
# and have some elements of version skew -- they test the *host* compiler's
# instrumentation against the just-built runtime library.
include(CheckCXXCompilerFlag)
include_directories(..)
include_directories(../..)
add_custom_target(AsanTests)
set_target_properties(AsanTests PROPERTIES FOLDER "ASan tests")
function(add_asan_test testname)
add_unittest(AsanTests ${testname} ${ARGN})
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
target_link_libraries(${testname} clang_rt.asan-i386)
else()
target_link_libraries(${testname} clang_rt.asan-x86_64)
endif()
endfunction()
add_asan_test(AsanNoInstrumentationTests
asan_noinst_test.cc
asan_break_optimization.cc
)
# We only support building instrumented tests when we're not cross compiling
# and targeting a unix-like system where we can predict viable compilation and
# linking strategies.
if("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND UNIX)
# This function is a custom routine to manage manually compiling source files
# for unit tests with the just-built Clang binary, using the ASan
# instrumentation, and linking them into a test executable.
function(add_asan_compile_command source)
add_custom_command(
OUTPUT "${source}.asan.o"
COMMAND clang
-faddress-sanitizer ${ASAN_CFLAGS}
-mllvm "-asan-blacklist=${CMAKE_CURRENT_SOURCE_DIR}/asan_test.ignore"
-DASAN_HAS_BLACKLIST=1
-DASAN_HAS_EXCEPTIONS=1
-DASAN_NEEDS_SEGV=1
-DASAN_UAR=0
-c -o "${source}.asan.o"
${CMAKE_CURRENT_SOURCE_DIR}/${source}
MAIN_DEPENDENCY ${source}
DEPENDS clang ${ARGN}
)
endfunction()
add_asan_compile_command(asan_globals_test.cc)
add_asan_compile_command(asan_test.cc)
add_asan_test(AsanInstrumentationTests
asan_globals_test.cc.asan.o
asan_test.cc.asan.o
asan_break_optimization.cc
)
endif()
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