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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(../..)
set(ASAN_UNITTEST_COMMON_CFLAGS
-Wall
-Wno-format
-fvisibility=hidden
)
# Support 64-bit and 32-bit builds.
if(LLVM_BUILD_32_BITS)
list(APPEND ASAN_UNITTEST_COMMON_CFLAGS -m32)
else()
list(APPEND ASAN_UNITTEST_COMMON_CFLAGS -m64)
endif()
set(ASAN_GTEST_INCLUDE_CFLAGS
-I${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include
-I${LLVM_MAIN_SRC_DIR}/include
-I${LLVM_BINARY_DIR}/include
-D__STDC_CONSTANT_MACROS
-D__STDC_LIMIT_MACROS
)
set(ASAN_UNITTEST_INSTRUMENTED_CFLAGS
${ASAN_UNITTEST_COMMON_CFLAGS}
${ASAN_GTEST_INCLUDE_CFLAGS}
-faddress-sanitizer
-O2
-g
-mllvm "-asan-blacklist=${CMAKE_CURRENT_SOURCE_DIR}/asan_test.ignore"
-DASAN_HAS_BLACKLIST=1
-DASAN_HAS_EXCEPTIONS=1
-DASAN_NEEDS_SEGV=1
-DASAN_UAR=0
)
add_custom_target(AsanTests)
set_target_properties(AsanTests PROPERTIES FOLDER "ASan tests")
function(add_asan_test testname)
add_unittest(AsanTests ${testname} ${ARGN})
if(LLVM_BUILD_32_BITS)
target_link_libraries(${testname} clang_rt.asan-i386)
else()
target_link_libraries(${testname} clang_rt.asan-x86_64)
endif()
if (APPLE)
# Darwin-specific linker flags.
set_property(TARGET ${testname} APPEND PROPERTY
LINK_FLAGS "-framework Foundation")
elseif (UNIX)
# Linux-specific linker flags.
set_property(TARGET ${testname} APPEND PROPERTY
LINK_FLAGS "-lpthread -ldl -export-dynamic")
endif()
set(add_compile_flags "")
get_property(compile_flags TARGET ${testname} PROPERTY COMPILE_FLAGS)
foreach(arg ${ASAN_UNITTEST_COMMON_CFLAGS})
set(add_compile_flags "${add_compile_flags} ${arg}")
endforeach(arg ${ASAN_UNITTEST_COMMON_CFLAGS})
set_property(TARGET ${testname} PROPERTY COMPILE_FLAGS
"${compile_flags} ${add_compile_flags}")
endfunction()
set(ASAN_NOINST_TEST_SOURCES
asan_noinst_test.cc
asan_break_optimization.cc
)
set(ASAN_INST_TEST_OBJECTS)
# We only support building instrumented tests when we're not cross compiling
# and targeting a unix-like system where we can predict viable compilation and
# linking strategies.
if("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND UNIX)
# This function is a custom routine to manage manually compiling source files
# for unit tests with the just-built Clang binary, using the ASan
# instrumentation, and linking them into a test executable.
function(add_asan_compile_command source extra_cflags)
set(output_obj "${source}.asan.o")
add_custom_command(
OUTPUT ${output_obj}
COMMAND clang
${ASAN_UNITTEST_INSTRUMENTED_CFLAGS}
${extra_cflags}
-c -o "${output_obj}"
${CMAKE_CURRENT_SOURCE_DIR}/${source}
MAIN_DEPENDENCY ${source}
DEPENDS clang clang_rt.asan-i386 clang_rt.asan-x86_64 ${ARGN}
)
endfunction()
add_asan_compile_command(asan_globals_test.cc "")
add_asan_compile_command(asan_test.cc "")
list(APPEND ASAN_INST_TEST_OBJECTS asan_globals_test.cc.asan.o
asan_test.cc.asan.o)
if (APPLE)
add_asan_compile_command(asan_mac_test.mm "-ObjC")
list(APPEND ASAN_INST_TEST_OBJECTS asan_mac_test.mm.asan.o)
endif()
endif()
add_asan_test(AsanTest ${ASAN_NOINST_TEST_SOURCES}
${ASAN_INST_TEST_OBJECTS})
|
