| # This is a helper function and not a build rule. It is to be used by the |
| # various test rules to generate the full list of object files |
| # recursively produced by "add_entrypoint_object" and "add_object_library" |
| # targets. |
| # Usage: |
| # get_object_files_for_test(<result var> |
| # <skipped_entrypoints_var> |
| # <target0> [<target1> ...]) |
| # |
| # The list of object files is collected in <result_var>. |
| # If skipped entrypoints were found, then <skipped_entrypoints_var> is |
| # set to a true value. |
| # targetN is either an "add_entrypoint_target" target or an |
| # "add_object_library" target. |
| function(get_object_files_for_test result skipped_entrypoints_list) |
| set(object_files "") |
| set(skipped_list "") |
| foreach(dep IN LISTS ARGN) |
| get_target_property(dep_type ${dep} "TARGET_TYPE") |
| if(NOT dep_type) |
| # Target for which TARGET_TYPE property is not set do not |
| # provide any object files. |
| continue() |
| endif() |
| |
| if(${dep_type} STREQUAL ${OBJECT_LIBRARY_TARGET_TYPE}) |
| get_target_property(dep_object_files ${dep} "OBJECT_FILES") |
| if(dep_object_files) |
| list(APPEND object_files ${dep_object_files}) |
| endif() |
| elseif(${dep_type} STREQUAL ${ENTRYPOINT_OBJ_TARGET_TYPE}) |
| get_target_property(is_skipped ${dep} "SKIPPED") |
| if(is_skipped) |
| list(APPEND skipped_list ${dep}) |
| continue() |
| endif() |
| get_target_property(object_file_raw ${dep} "OBJECT_FILE_RAW") |
| if(object_file_raw) |
| list(APPEND object_files ${object_file_raw}) |
| endif() |
| endif() |
| |
| get_target_property(indirect_deps ${dep} "DEPS") |
| get_object_files_for_test( |
| indirect_objfiles indirect_skipped_list ${indirect_deps}) |
| list(APPEND object_files ${indirect_objfiles}) |
| if(indirect_skipped_list) |
| list(APPEND skipped_list ${indirect_skipped_list}) |
| endif() |
| endforeach(dep) |
| list(REMOVE_DUPLICATES object_files) |
| set(${result} ${object_files} PARENT_SCOPE) |
| list(REMOVE_DUPLICATES skipped_list) |
| set(${skipped_entrypoints_list} ${skipped_list} PARENT_SCOPE) |
| endfunction(get_object_files_for_test) |
| |
| # Rule to add a libc unittest. |
| # Usage |
| # add_libc_unittest( |
| # <target name> |
| # SUITE <name of the suite this test belongs to> |
| # SRCS <list of .cpp files for the test> |
| # HDRS <list of .h files for the test> |
| # DEPENDS <list of dependencies> |
| # COMPILE_OPTIONS <list of special compile options for this target> |
| # ) |
| function(add_libc_unittest target_name) |
| if(NOT LLVM_INCLUDE_TESTS) |
| return() |
| endif() |
| |
| cmake_parse_arguments( |
| "LIBC_UNITTEST" |
| "" # No optional arguments |
| "SUITE" # Single value arguments |
| "SRCS;HDRS;DEPENDS;COMPILE_OPTIONS" # Multi-value arguments |
| ${ARGN} |
| ) |
| if(NOT LIBC_UNITTEST_SRCS) |
| message(FATAL_ERROR "'add_libc_unittest' target requires a SRCS list of .cpp " |
| "files.") |
| endif() |
| if(NOT LIBC_UNITTEST_DEPENDS) |
| message(FATAL_ERROR "'add_libc_unittest' target requires a DEPENDS list of " |
| "'add_entrypoint_object' targets.") |
| endif() |
| |
| get_fq_target_name(${target_name} fq_target_name) |
| get_fq_deps_list(fq_deps_list ${LIBC_UNITTEST_DEPENDS}) |
| get_object_files_for_test( |
| link_object_files skipped_entrypoints_list ${fq_deps_list}) |
| if(skipped_entrypoints_list) |
| # If a test is OS/target machine independent, it has to be skipped if the |
| # OS/target machine combination does not provide any dependent entrypoints. |
| # If a test is OS/target machine specific, then such a test will live is a |
| # OS/target machine specific directory and will be skipped at the directory |
| # level if required. |
| # |
| # There can potentially be a setup like this: A unittest is setup for a |
| # OS/target machine independent object library, which in turn depends on a |
| # machine specific object library. Such a test would be testing internals of |
| # the libc and it is assumed that they will be rare in practice. So, they |
| # can be skipped in the corresponding CMake files using platform specific |
| # logic. This pattern is followed in the loader tests for example. |
| # |
| # Another pattern that is present currently is to detect machine |
| # capabilities and add entrypoints and tests accordingly. That approach is |
| # much lower level approach and is independent of the kind of skipping that |
| # is happening here at the entrypoint level. |
| |
| set(msg "Skipping unittest ${fq_target_name} as it has missing deps: " |
| "${skipped_entrypoints_list}.") |
| message(STATUS ${msg}) |
| return() |
| endif() |
| |
| add_executable( |
| ${fq_target_name} |
| EXCLUDE_FROM_ALL |
| ${LIBC_UNITTEST_SRCS} |
| ${LIBC_UNITTEST_HDRS} |
| ) |
| target_include_directories( |
| ${fq_target_name} |
| PRIVATE |
| ${LIBC_SOURCE_DIR} |
| ${LIBC_BUILD_DIR} |
| ${LIBC_BUILD_DIR}/include |
| ) |
| if(LIBC_UNITTEST_COMPILE_OPTIONS) |
| target_compile_options( |
| ${fq_target_name} |
| PRIVATE ${LIBC_UNITTEST_COMPILE_OPTIONS} |
| ) |
| endif() |
| |
| target_link_libraries(${fq_target_name} PRIVATE ${link_object_files}) |
| |
| set_target_properties(${fq_target_name} |
| PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) |
| |
| add_dependencies( |
| ${fq_target_name} |
| ${fq_deps_list} |
| ) |
| |
| target_link_libraries(${fq_target_name} PRIVATE LibcUnitTest libc_test_utils) |
| |
| add_custom_command( |
| TARGET ${fq_target_name} |
| POST_BUILD |
| COMMAND $<TARGET_FILE:${fq_target_name}> |
| ) |
| if(LIBC_UNITTEST_SUITE) |
| add_dependencies( |
| ${LIBC_UNITTEST_SUITE} |
| ${fq_target_name} |
| ) |
| endif() |
| endfunction(add_libc_unittest) |
| |
| function(add_libc_testsuite suite_name) |
| add_custom_target(${suite_name}) |
| add_dependencies(check-libc ${suite_name}) |
| endfunction(add_libc_testsuite) |
| |
| function(add_libc_exhaustive_testsuite suite_name) |
| add_custom_target(${suite_name}) |
| add_dependencies(exhaustive-check-libc ${suite_name}) |
| endfunction(add_libc_exhaustive_testsuite) |
| |
| # Rule to add a fuzzer test. |
| # Usage |
| # add_libc_fuzzer( |
| # <target name> |
| # SRCS <list of .cpp files for the test> |
| # HDRS <list of .h files for the test> |
| # DEPENDS <list of dependencies> |
| # ) |
| function(add_libc_fuzzer target_name) |
| cmake_parse_arguments( |
| "LIBC_FUZZER" |
| "" # No optional arguments |
| "" # Single value arguments |
| "SRCS;HDRS;DEPENDS" # Multi-value arguments |
| ${ARGN} |
| ) |
| if(NOT LIBC_FUZZER_SRCS) |
| message(FATAL_ERROR "'add_libc_fuzzer' target requires a SRCS list of .cpp " |
| "files.") |
| endif() |
| if(NOT LIBC_FUZZER_DEPENDS) |
| message(FATAL_ERROR "'add_libc_fuzzer' target requires a DEPENDS list of " |
| "'add_entrypoint_object' targets.") |
| endif() |
| |
| get_fq_target_name(${target_name} fq_target_name) |
| get_fq_deps_list(fq_deps_list ${LIBC_FUZZER_DEPENDS}) |
| get_object_files_for_test( |
| link_object_files skipped_entrypoints_list ${fq_deps_list}) |
| if(skipped_entrypoints_list) |
| set(msg "Skipping fuzzer target ${fq_target_name} as it has missing deps: " |
| "${skipped_entrypoints_list}.") |
| message(STATUS ${msg}) |
| add_custom_target(${fq_target_name}) |
| |
| # A post build custom command is used to avoid running the command always. |
| add_custom_command( |
| TARGET ${fq_target_name} |
| POST_BUILD |
| COMMAND ${CMAKE_COMMAND} -E echo ${msg} |
| ) |
| return() |
| endif() |
| |
| add_executable( |
| ${fq_target_name} |
| EXCLUDE_FROM_ALL |
| ${LIBC_FUZZER_SRCS} |
| ${LIBC_FUZZER_HDRS} |
| ) |
| target_include_directories( |
| ${fq_target_name} |
| PRIVATE |
| ${LIBC_SOURCE_DIR} |
| ${LIBC_BUILD_DIR} |
| ${LIBC_BUILD_DIR}/include |
| ) |
| |
| target_link_libraries(${fq_target_name} PRIVATE ${link_object_files}) |
| |
| set_target_properties(${fq_target_name} |
| PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) |
| |
| add_dependencies( |
| ${fq_target_name} |
| ${fq_deps_list} |
| ) |
| add_dependencies(libc-fuzzer ${fq_target_name}) |
| endfunction(add_libc_fuzzer) |
