1include(ExternalProject) 2include(CompilerRTUtils) 3include(HandleCompilerRT) 4 5function(set_target_output_directories target output_dir) 6 # For RUNTIME_OUTPUT_DIRECTORY variable, Multi-configuration generators 7 # append a per-configuration subdirectory to the specified directory. 8 # To avoid the appended folder, the configuration specific variable must be 9 # set 'RUNTIME_OUTPUT_DIRECTORY_${CONF}': 10 # RUNTIME_OUTPUT_DIRECTORY_DEBUG, RUNTIME_OUTPUT_DIRECTORY_RELEASE, ... 11 if(CMAKE_CONFIGURATION_TYPES) 12 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 13 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 14 set_target_properties("${target}" PROPERTIES 15 "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} 16 "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} 17 "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}) 18 endforeach() 19 else() 20 set_target_properties("${target}" PROPERTIES 21 ARCHIVE_OUTPUT_DIRECTORY ${output_dir} 22 LIBRARY_OUTPUT_DIRECTORY ${output_dir} 23 RUNTIME_OUTPUT_DIRECTORY ${output_dir}) 24 endif() 25endfunction() 26 27# Tries to add an "object library" target for a given list of OSs and/or 28# architectures with name "<name>.<arch>" for non-Darwin platforms if 29# architecture can be targeted, and "<name>.<os>" for Darwin platforms. 30# add_compiler_rt_object_libraries(<name> 31# OS <os names> 32# ARCHS <architectures> 33# SOURCES <source files> 34# CFLAGS <compile flags> 35# DEFS <compile definitions> 36# DEPS <dependencies> 37# ADDITIONAL_HEADERS <header files>) 38function(add_compiler_rt_object_libraries name) 39 cmake_parse_arguments(LIB "" "" "OS;ARCHS;SOURCES;CFLAGS;DEFS;DEPS;ADDITIONAL_HEADERS" 40 ${ARGN}) 41 set(libnames) 42 if(APPLE) 43 foreach(os ${LIB_OS}) 44 set(libname "${name}.${os}") 45 set(libnames ${libnames} ${libname}) 46 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS}) 47 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 48 endforeach() 49 else() 50 foreach(arch ${LIB_ARCHS}) 51 set(libname "${name}.${arch}") 52 set(libnames ${libnames} ${libname}) 53 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS}) 54 if(NOT CAN_TARGET_${arch}) 55 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 56 return() 57 endif() 58 endforeach() 59 endif() 60 61 # Add headers to LIB_SOURCES for IDEs 62 compiler_rt_process_sources(LIB_SOURCES 63 ${LIB_SOURCES} 64 ADDITIONAL_HEADERS 65 ${LIB_ADDITIONAL_HEADERS} 66 ) 67 68 foreach(libname ${libnames}) 69 add_library(${libname} OBJECT ${LIB_SOURCES}) 70 if(LIB_DEPS) 71 add_dependencies(${libname} ${LIB_DEPS}) 72 endif() 73 74 # Strip out -msse3 if this isn't macOS. 75 set(target_flags ${LIB_CFLAGS}) 76 if(APPLE AND NOT "${libname}" MATCHES ".*\.osx.*") 77 list(REMOVE_ITEM target_flags "-msse3") 78 endif() 79 80 set_target_compile_flags(${libname} 81 ${extra_cflags_${libname}} ${target_flags}) 82 set_property(TARGET ${libname} APPEND PROPERTY 83 COMPILE_DEFINITIONS ${LIB_DEFS}) 84 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries") 85 if(APPLE) 86 set_target_properties(${libname} PROPERTIES 87 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 88 endif() 89 endforeach() 90endfunction() 91 92# Takes a list of object library targets, and a suffix and appends the proper 93# TARGET_OBJECTS string to the output variable. 94# format_object_libs(<output> <suffix> ...) 95macro(format_object_libs output suffix) 96 foreach(lib ${ARGN}) 97 list(APPEND ${output} $<TARGET_OBJECTS:${lib}.${suffix}>) 98 endforeach() 99endmacro() 100 101function(add_compiler_rt_component name) 102 add_custom_target(${name}) 103 set_target_properties(${name} PROPERTIES FOLDER "Compiler-RT Misc") 104 if(COMMAND runtime_register_component) 105 runtime_register_component(${name}) 106 endif() 107 add_dependencies(compiler-rt ${name}) 108endfunction() 109 110function(add_asm_sources output) 111 set(${output} ${ARGN} PARENT_SCOPE) 112 # CMake doesn't pass the correct architecture for Apple prior to CMake 3.19. https://gitlab.kitware.com/cmake/cmake/-/issues/20771 113 # MinGW didn't work correctly with assembly prior to CMake 3.17. https://gitlab.kitware.com/cmake/cmake/-/merge_requests/4287 and https://reviews.llvm.org/rGb780df052dd2b246a760d00e00f7de9ebdab9d09 114 # Workaround these two issues by compiling as C. 115 # Same workaround used in libunwind. Also update there if changed here. 116 if((APPLE AND CMAKE_VERSION VERSION_LESS 3.19) OR (MINGW AND CMAKE_VERSION VERSION_LESS 3.17)) 117 set_source_files_properties(${ARGN} PROPERTIES LANGUAGE C) 118 endif() 119endfunction() 120 121macro(set_output_name output name arch) 122 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR) 123 set(${output} ${name}) 124 else() 125 if(ANDROID AND ${arch} STREQUAL "i386") 126 set(${output} "${name}-i686${COMPILER_RT_OS_SUFFIX}") 127 else() 128 set(${output} "${name}-${arch}${COMPILER_RT_OS_SUFFIX}") 129 endif() 130 endif() 131endmacro() 132 133# Adds static or shared runtime for a list of architectures and operating 134# systems and puts it in the proper directory in the build and install trees. 135# add_compiler_rt_runtime(<name> 136# {OBJECT|STATIC|SHARED} 137# ARCHS <architectures> 138# OS <os list> 139# SOURCES <source files> 140# CFLAGS <compile flags> 141# LINK_FLAGS <linker flags> 142# DEFS <compile definitions> 143# DEPS <dependencies> 144# LINK_LIBS <linked libraries> (only for shared library) 145# OBJECT_LIBS <object libraries to use as sources> 146# PARENT_TARGET <convenience parent target> 147# ADDITIONAL_HEADERS <header files>) 148function(add_compiler_rt_runtime name type) 149 if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$") 150 message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED") 151 return() 152 endif() 153 cmake_parse_arguments(LIB 154 "" 155 "PARENT_TARGET" 156 "OS;ARCHS;SOURCES;CFLAGS;LINK_FLAGS;DEFS;DEPS;LINK_LIBS;OBJECT_LIBS;ADDITIONAL_HEADERS" 157 ${ARGN}) 158 set(libnames) 159 # Until we support this some other way, build compiler-rt runtime without LTO 160 # to allow non-LTO projects to link with it. 161 if(COMPILER_RT_HAS_FNO_LTO_FLAG) 162 set(NO_LTO_FLAGS "-fno-lto") 163 else() 164 set(NO_LTO_FLAGS "") 165 endif() 166 167 # By default do not instrument or use profdata for compiler-rt. 168 set(NO_PGO_FLAGS "") 169 if(NOT COMPILER_RT_ENABLE_PGO) 170 if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG) 171 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-use") 172 endif() 173 if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG) 174 list(APPEND NO_PGO_FLAGS "-fno-profile-generate") 175 elseif(LLVM_BUILD_INSTRUMENTED AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG) 176 list(APPEND NO_PGO_FLAGS "-fno-profile-instr-generate") 177 endif() 178 endif() 179 180 list(LENGTH LIB_SOURCES LIB_SOURCES_LENGTH) 181 if (${LIB_SOURCES_LENGTH} GREATER 0) 182 # Add headers to LIB_SOURCES for IDEs. It doesn't make sense to 183 # do this for a runtime library that only consists of OBJECT 184 # libraries, so only add the headers when source files are present. 185 compiler_rt_process_sources(LIB_SOURCES 186 ${LIB_SOURCES} 187 ADDITIONAL_HEADERS 188 ${LIB_ADDITIONAL_HEADERS} 189 ) 190 endif() 191 192 if(APPLE) 193 foreach(os ${LIB_OS}) 194 # Strip out -msse3 if this isn't macOS. 195 list(LENGTH LIB_CFLAGS HAS_EXTRA_CFLAGS) 196 if(HAS_EXTRA_CFLAGS AND NOT "${os}" MATCHES "^(osx)$") 197 list(REMOVE_ITEM LIB_CFLAGS "-msse3") 198 endif() 199 if(type STREQUAL "STATIC") 200 set(libname "${name}_${os}") 201 else() 202 set(libname "${name}_${os}_dynamic") 203 set(extra_link_flags_${libname} ${DARWIN_${os}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 204 endif() 205 list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) 206 if(LIB_ARCHS_${libname}) 207 list(APPEND libnames ${libname}) 208 set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 209 set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) 210 set(sources_${libname} ${LIB_SOURCES}) 211 format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS}) 212 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir_${libname}) 213 get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir_${libname}) 214 endif() 215 endforeach() 216 else() 217 foreach(arch ${LIB_ARCHS}) 218 if(NOT CAN_TARGET_${arch}) 219 message(FATAL_ERROR "Architecture ${arch} can't be targeted") 220 return() 221 endif() 222 if(type STREQUAL "OBJECT") 223 set(libname "${name}-${arch}") 224 set_output_name(output_name_${libname} ${name}${COMPILER_RT_OS_SUFFIX} ${arch}) 225 elseif(type STREQUAL "STATIC") 226 set(libname "${name}-${arch}") 227 set_output_name(output_name_${libname} ${name} ${arch}) 228 else() 229 set(libname "${name}-dynamic-${arch}") 230 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS}) 231 set(extra_link_flags_${libname} ${TARGET_${arch}_LINK_FLAGS} ${LIB_LINK_FLAGS}) 232 if(WIN32) 233 set_output_name(output_name_${libname} ${name}_dynamic ${arch}) 234 else() 235 set_output_name(output_name_${libname} ${name} ${arch}) 236 endif() 237 endif() 238 if(COMPILER_RT_USE_BUILTINS_LIBRARY AND NOT type STREQUAL "OBJECT" AND 239 NOT name STREQUAL "clang_rt.builtins") 240 get_compiler_rt_target(${arch} target) 241 find_compiler_rt_library(builtins ${target} builtins_${libname}) 242 if(builtins_${libname} STREQUAL "NOTFOUND") 243 message(FATAL_ERROR "Cannot find builtins library for the target architecture") 244 endif() 245 endif() 246 set(sources_${libname} ${LIB_SOURCES}) 247 format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS}) 248 set(libnames ${libnames} ${libname}) 249 set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS}) 250 get_compiler_rt_output_dir(${arch} output_dir_${libname}) 251 get_compiler_rt_install_dir(${arch} install_dir_${libname}) 252 endforeach() 253 endif() 254 255 if(NOT libnames) 256 return() 257 endif() 258 259 if(LIB_PARENT_TARGET) 260 # If the parent targets aren't created we should create them 261 if(NOT TARGET ${LIB_PARENT_TARGET}) 262 add_custom_target(${LIB_PARENT_TARGET}) 263 set_target_properties(${LIB_PARENT_TARGET} PROPERTIES 264 FOLDER "Compiler-RT Misc") 265 endif() 266 endif() 267 268 foreach(libname ${libnames}) 269 # If you are using a multi-configuration generator we don't generate 270 # per-library install rules, so we fall back to the parent target COMPONENT 271 if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET) 272 set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET}) 273 else() 274 set(COMPONENT_OPTION COMPONENT ${libname}) 275 endif() 276 277 if(type STREQUAL "OBJECT") 278 if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET) 279 list(APPEND extra_cflags_${libname} "--target=${CMAKE_C_COMPILER_TARGET}") 280 endif() 281 if(CMAKE_SYSROOT) 282 list(APPEND extra_cflags_${libname} "--sysroot=${CMAKE_SYSROOT}") 283 endif() 284 string(REPLACE ";" " " extra_cflags_${libname} "${extra_cflags_${libname}}") 285 string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions 286 ${CMAKE_C_COMPILE_OBJECT}) 287 set(compile_command_${libname} "${CMAKE_C_COMPILE_OBJECT}") 288 289 set(output_file_${libname} ${output_name_${libname}}${CMAKE_C_OUTPUT_EXTENSION}) 290 foreach(substitution ${substitutions}) 291 if(substitution STREQUAL "<CMAKE_C_COMPILER>") 292 string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" 293 compile_command_${libname} ${compile_command_${libname}}) 294 elseif(substitution STREQUAL "<OBJECT>") 295 string(REPLACE "<OBJECT>" "${output_dir_${libname}}/${output_file_${libname}}" 296 compile_command_${libname} ${compile_command_${libname}}) 297 elseif(substitution STREQUAL "<SOURCE>") 298 string(REPLACE "<SOURCE>" "${sources_${libname}}" 299 compile_command_${libname} ${compile_command_${libname}}) 300 elseif(substitution STREQUAL "<FLAGS>") 301 string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_cflags_${libname}}" 302 compile_command_${libname} ${compile_command_${libname}}) 303 else() 304 string(REPLACE "${substitution}" "" compile_command_${libname} 305 ${compile_command_${libname}}) 306 endif() 307 endforeach() 308 separate_arguments(compile_command_${libname}) 309 add_custom_command( 310 OUTPUT ${output_dir_${libname}}/${output_file_${libname}} 311 COMMAND ${compile_command_${libname}} 312 DEPENDS ${sources_${libname}} 313 COMMENT "Building C object ${output_file_${libname}}") 314 add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${output_file_${libname}}) 315 install(FILES ${output_dir_${libname}}/${output_file_${libname}} 316 DESTINATION ${install_dir_${libname}} 317 ${COMPONENT_OPTION}) 318 else() 319 add_library(${libname} ${type} ${sources_${libname}}) 320 set_target_compile_flags(${libname} ${extra_cflags_${libname}}) 321 set_target_link_flags(${libname} ${extra_link_flags_${libname}}) 322 set_property(TARGET ${libname} APPEND PROPERTY 323 COMPILE_DEFINITIONS ${LIB_DEFS}) 324 set_target_output_directories(${libname} ${output_dir_${libname}}) 325 install(TARGETS ${libname} 326 ARCHIVE DESTINATION ${install_dir_${libname}} 327 ${COMPONENT_OPTION} 328 LIBRARY DESTINATION ${install_dir_${libname}} 329 ${COMPONENT_OPTION} 330 RUNTIME DESTINATION ${install_dir_${libname}} 331 ${COMPONENT_OPTION}) 332 endif() 333 if(LIB_DEPS) 334 add_dependencies(${libname} ${LIB_DEPS}) 335 endif() 336 set_target_properties(${libname} PROPERTIES 337 OUTPUT_NAME ${output_name_${libname}}) 338 set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime") 339 if(LIB_LINK_LIBS) 340 target_link_libraries(${libname} PRIVATE ${LIB_LINK_LIBS}) 341 endif() 342 if(builtins_${libname}) 343 target_link_libraries(${libname} PRIVATE ${builtins_${libname}}) 344 endif() 345 if(${type} STREQUAL "SHARED") 346 if(COMMAND llvm_setup_rpath) 347 llvm_setup_rpath(${libname}) 348 endif() 349 if(WIN32 AND NOT CYGWIN AND NOT MINGW) 350 set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "") 351 set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib") 352 endif() 353 if(APPLE) 354 # Ad-hoc sign the dylibs 355 add_custom_command(TARGET ${libname} 356 POST_BUILD 357 COMMAND codesign --sign - $<TARGET_FILE:${libname}> 358 WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR} 359 ) 360 endif() 361 endif() 362 363 set(parent_target_arg) 364 if(LIB_PARENT_TARGET) 365 set(parent_target_arg PARENT_TARGET ${LIB_PARENT_TARGET}) 366 endif() 367 add_compiler_rt_install_targets(${libname} ${parent_target_arg}) 368 369 if(APPLE) 370 set_target_properties(${libname} PROPERTIES 371 OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") 372 endif() 373 374 if(type STREQUAL "SHARED") 375 rt_externalize_debuginfo(${libname}) 376 endif() 377 endforeach() 378 if(LIB_PARENT_TARGET) 379 add_dependencies(${LIB_PARENT_TARGET} ${libnames}) 380 endif() 381endfunction() 382 383# when cross compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help 384# in compilation and linking of unittests. 385string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}") 386set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_CFLAGS}) 387 388# Unittests support. 389set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest) 390set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc) 391set(COMPILER_RT_GTEST_CFLAGS 392 -DGTEST_NO_LLVM_SUPPORT=1 393 -DGTEST_HAS_RTTI=0 394 -I${COMPILER_RT_GTEST_PATH}/include 395 -I${COMPILER_RT_GTEST_PATH} 396) 397 398# Mocking support. 399set(COMPILER_RT_GMOCK_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock) 400set(COMPILER_RT_GMOCK_SOURCE ${COMPILER_RT_GMOCK_PATH}/src/gmock-all.cc) 401set(COMPILER_RT_GMOCK_CFLAGS 402 -DGTEST_NO_LLVM_SUPPORT=1 403 -DGTEST_HAS_RTTI=0 404 -I${COMPILER_RT_GMOCK_PATH}/include 405 -I${COMPILER_RT_GMOCK_PATH} 406) 407 408append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS) 409append_list_if(COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG -Wno-covered-switch-default COMPILER_RT_UNITTEST_CFLAGS) 410append_list_if(COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG -Wno-suggest-override COMPILER_RT_UNITTEST_CFLAGS) 411 412if(MSVC) 413 # gtest use a lot of stuff marked as deprecated on Windows. 414 list(APPEND COMPILER_RT_GTEST_CFLAGS -Wno-deprecated-declarations) 415endif() 416 417# Compile and register compiler-rt tests. 418# generate_compiler_rt_tests(<output object files> <test_suite> <test_name> 419# <test architecture> 420# KIND <custom prefix> 421# SUBDIR <subdirectory for testing binary> 422# SOURCES <sources to compile> 423# RUNTIME <tests runtime to link in> 424# CFLAGS <compile-time flags> 425# COMPILE_DEPS <compile-time dependencies> 426# DEPS <dependencies> 427# LINK_FLAGS <flags to use during linking> 428# ) 429function(generate_compiler_rt_tests test_objects test_suite testname arch) 430 cmake_parse_arguments(TEST "" "KIND;RUNTIME;SUBDIR" 431 "SOURCES;COMPILE_DEPS;DEPS;CFLAGS;LINK_FLAGS" ${ARGN}) 432 433 foreach(source ${TEST_SOURCES}) 434 sanitizer_test_compile( 435 "${test_objects}" "${source}" "${arch}" 436 KIND ${TEST_KIND} 437 COMPILE_DEPS ${TEST_COMPILE_DEPS} 438 DEPS ${TEST_DEPS} 439 CFLAGS ${TEST_CFLAGS} 440 ) 441 endforeach() 442 443 set(TEST_DEPS ${${test_objects}}) 444 445 if(NOT "${TEST_RUNTIME}" STREQUAL "") 446 list(APPEND TEST_DEPS ${TEST_RUNTIME}) 447 list(APPEND "${test_objects}" $<TARGET_FILE:${TEST_RUNTIME}>) 448 endif() 449 450 add_compiler_rt_test(${test_suite} "${testname}" "${arch}" 451 SUBDIR ${TEST_SUBDIR} 452 OBJECTS ${${test_objects}} 453 DEPS ${TEST_DEPS} 454 LINK_FLAGS ${TEST_LINK_FLAGS} 455 ) 456 set("${test_objects}" "${${test_objects}}" PARENT_SCOPE) 457endfunction() 458 459# Link objects into a single executable with COMPILER_RT_TEST_COMPILER, 460# using specified link flags. Make executable a part of provided 461# test_suite. 462# add_compiler_rt_test(<test_suite> <test_name> <arch> 463# SUBDIR <subdirectory for binary> 464# OBJECTS <object files> 465# DEPS <deps (e.g. runtime libs)> 466# LINK_FLAGS <link flags>) 467function(add_compiler_rt_test test_suite test_name arch) 468 cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN}) 469 set(output_dir ${CMAKE_CURRENT_BINARY_DIR}) 470 if(TEST_SUBDIR) 471 set(output_dir "${output_dir}/${TEST_SUBDIR}") 472 endif() 473 set(output_dir "${output_dir}/${CMAKE_CFG_INTDIR}") 474 file(MAKE_DIRECTORY "${output_dir}") 475 set(output_bin "${output_dir}/${test_name}") 476 if(MSVC) 477 set(output_bin "${output_bin}.exe") 478 endif() 479 480 # Use host compiler in a standalone build, and just-built Clang otherwise. 481 if(NOT COMPILER_RT_STANDALONE_BUILD) 482 list(APPEND TEST_DEPS clang) 483 endif() 484 485 get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS) 486 list(APPEND TEST_LINK_FLAGS ${TARGET_LINK_FLAGS}) 487 488 # If we're not on MSVC, include the linker flags from CMAKE but override them 489 # with the provided link flags. This ensures that flags which are required to 490 # link programs at all are included, but the changes needed for the test 491 # trump. With MSVC we can't do that because CMake is set up to run link.exe 492 # when linking, not the compiler. Here, we hack it to use the compiler 493 # because we want to use -fsanitize flags. 494 495 # Only add CMAKE_EXE_LINKER_FLAGS when in a standalone bulid. 496 # Or else CMAKE_EXE_LINKER_FLAGS contains flags for build compiler of Clang/llvm. 497 # This might not be the same as what the COMPILER_RT_TEST_COMPILER supports. 498 # eg: the build compiler use lld linker and we build clang with default ld linker 499 # then to be tested clang will complain about lld options like --color-diagnostics. 500 if(NOT MSVC AND COMPILER_RT_STANDALONE_BUILD) 501 set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}") 502 separate_arguments(TEST_LINK_FLAGS) 503 endif() 504 if(NOT COMPILER_RT_STANDALONE_BUILD AND COMPILER_RT_HAS_LLD AND "lld" IN_LIST LLVM_ENABLE_PROJECTS) 505 # CMAKE_EXE_LINKER_FLAGS may contain -fuse=lld 506 # FIXME: -DLLVM_ENABLE_LLD=ON and -DLLVM_ENABLE_PROJECTS without lld case. 507 list(APPEND TEST_DEPS lld) 508 endif() 509 add_custom_command( 510 OUTPUT "${output_bin}" 511 COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS} -o "${output_bin}" 512 ${TEST_LINK_FLAGS} 513 DEPENDS ${TEST_DEPS} 514 ) 515 add_custom_target(T${test_name} DEPENDS "${output_bin}") 516 set_target_properties(T${test_name} PROPERTIES FOLDER "Compiler-RT Tests") 517 518 # Make the test suite depend on the binary. 519 add_dependencies(${test_suite} T${test_name}) 520endfunction() 521 522macro(add_compiler_rt_resource_file target_name file_name component) 523 set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}") 524 set(dst_file "${COMPILER_RT_OUTPUT_DIR}/share/${file_name}") 525 add_custom_command(OUTPUT ${dst_file} 526 DEPENDS ${src_file} 527 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file} 528 COMMENT "Copying ${file_name}...") 529 add_custom_target(${target_name} DEPENDS ${dst_file}) 530 # Install in Clang resource directory. 531 install(FILES ${file_name} 532 DESTINATION ${COMPILER_RT_INSTALL_PATH}/share 533 COMPONENT ${component}) 534 add_dependencies(${component} ${target_name}) 535 536 set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc") 537endmacro() 538 539macro(add_compiler_rt_script name) 540 set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name}) 541 set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name}) 542 add_custom_command(OUTPUT ${dst} 543 DEPENDS ${src} 544 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} 545 COMMENT "Copying ${name}...") 546 add_custom_target(${name} DEPENDS ${dst}) 547 install(FILES ${dst} 548 PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE 549 DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin) 550endmacro(add_compiler_rt_script src name) 551 552# Builds custom version of libc++ and installs it in <prefix>. 553# Can be used to build sanitized versions of libc++ for running unit tests. 554# add_custom_libcxx(<name> <prefix> 555# DEPS <list of build deps> 556# CFLAGS <list of compile flags> 557# USE_TOOLCHAIN) 558macro(add_custom_libcxx name prefix) 559 if(NOT COMPILER_RT_LIBCXX_PATH) 560 message(FATAL_ERROR "libcxx not found!") 561 endif() 562 if(NOT COMPILER_RT_LIBCXXABI_PATH) 563 message(FATAL_ERROR "libcxxabi not found!") 564 endif() 565 566 cmake_parse_arguments(LIBCXX "USE_TOOLCHAIN" "" "DEPS;CFLAGS;CMAKE_ARGS" ${ARGN}) 567 568 if(LIBCXX_USE_TOOLCHAIN) 569 set(compiler_args -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER} 570 -DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_CXX_COMPILER}) 571 if(NOT COMPILER_RT_STANDALONE_BUILD AND NOT RUNTIMES_BUILD) 572 set(toolchain_deps $<TARGET_FILE:clang>) 573 set(force_deps DEPENDS $<TARGET_FILE:clang>) 574 endif() 575 else() 576 set(compiler_args -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} 577 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}) 578 endif() 579 580 set(STAMP_DIR ${prefix}-stamps/) 581 set(BINARY_DIR ${prefix}-bins/) 582 583 add_custom_target(${name}-clear 584 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} 585 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} 586 COMMENT "Clobbering ${name} build and stamp directories" 587 USES_TERMINAL 588 ) 589 set_target_properties(${name}-clear PROPERTIES FOLDER "Compiler-RT Misc") 590 591 add_custom_command( 592 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 593 DEPENDS ${LIBCXX_DEPS} ${toolchain_deps} 594 COMMAND ${CMAKE_COMMAND} -E touch ${BINARY_DIR}/CMakeCache.txt 595 COMMAND ${CMAKE_COMMAND} -E touch ${STAMP_DIR}/${name}-mkdir 596 COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp 597 COMMENT "Clobbering bootstrap build and stamp directories" 598 ) 599 600 add_custom_target(${name}-clobber 601 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 602 set_target_properties(${name}-clobber PROPERTIES FOLDER "Compiler-RT Misc") 603 604 set(PASSTHROUGH_VARIABLES 605 CMAKE_C_COMPILER_TARGET 606 CMAKE_CXX_COMPILER_TARGET 607 CMAKE_SHARED_LINKER_FLAGS 608 CMAKE_MODULE_LINKER_FLAGS 609 CMAKE_EXE_LINKER_FLAGS 610 CMAKE_INSTALL_PREFIX 611 CMAKE_MAKE_PROGRAM 612 CMAKE_LINKER 613 CMAKE_AR 614 CMAKE_RANLIB 615 CMAKE_NM 616 CMAKE_OBJCOPY 617 CMAKE_OBJDUMP 618 CMAKE_STRIP 619 CMAKE_SYSROOT 620 CMAKE_SYSTEM_NAME) 621 foreach(variable ${PASSTHROUGH_VARIABLES}) 622 get_property(is_value_set CACHE ${variable} PROPERTY VALUE SET) 623 if(${is_value_set}) 624 get_property(value CACHE ${variable} PROPERTY VALUE) 625 list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${value}) 626 endif() 627 endforeach() 628 629 string(REPLACE ";" " " LIBCXX_C_FLAGS "${LIBCXX_CFLAGS}") 630 get_property(C_FLAGS CACHE CMAKE_C_FLAGS PROPERTY VALUE) 631 set(LIBCXX_C_FLAGS "${LIBCXX_C_FLAGS} ${C_FLAGS}") 632 633 string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CFLAGS}") 634 get_property(CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE) 635 set(LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS} ${CXX_FLAGS}") 636 637 ExternalProject_Add(${name} 638 DEPENDS ${name}-clobber ${LIBCXX_DEPS} 639 PREFIX ${prefix} 640 SOURCE_DIR ${COMPILER_RT_SOURCE_DIR}/cmake/Modules/CustomLibcxx 641 STAMP_DIR ${STAMP_DIR} 642 BINARY_DIR ${BINARY_DIR} 643 CMAKE_ARGS ${CMAKE_PASSTHROUGH_VARIABLES} 644 ${compiler_args} 645 -DCMAKE_C_FLAGS=${LIBCXX_C_FLAGS} 646 -DCMAKE_CXX_FLAGS=${LIBCXX_CXX_FLAGS} 647 -DCMAKE_BUILD_TYPE=Release 648 -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY 649 -DLLVM_PATH=${LLVM_MAIN_SRC_DIR} 650 -DLLVM_BINARY_DIR=${prefix} 651 -DLLVM_LIBRARY_OUTPUT_INTDIR=${prefix}/lib 652 -DCOMPILER_RT_LIBCXX_PATH=${COMPILER_RT_LIBCXX_PATH} 653 -DCOMPILER_RT_LIBCXXABI_PATH=${COMPILER_RT_LIBCXXABI_PATH} 654 ${LIBCXX_CMAKE_ARGS} 655 INSTALL_COMMAND "" 656 STEP_TARGETS configure build 657 BUILD_ALWAYS 1 658 USES_TERMINAL_CONFIGURE 1 659 USES_TERMINAL_BUILD 1 660 USES_TERMINAL_INSTALL 1 661 EXCLUDE_FROM_ALL TRUE 662 BUILD_BYPRODUCTS "${prefix}/lib/libc++.a" "${prefix}/lib/libc++abi.a" 663 ) 664 665 if (CMAKE_GENERATOR MATCHES "Make") 666 set(run_clean "$(MAKE)" "-C" "${BINARY_DIR}" "clean") 667 else() 668 set(run_clean ${CMAKE_COMMAND} --build ${BINARY_DIR} --target clean 669 --config "$<CONFIG>") 670 endif() 671 672 ExternalProject_Add_Step(${name} clean 673 COMMAND ${run_clean} 674 COMMENT "Cleaning ${name}..." 675 DEPENDEES configure 676 ${force_deps} 677 WORKING_DIRECTORY ${BINARY_DIR} 678 EXCLUDE_FROM_MAIN 1 679 USES_TERMINAL 1 680 ) 681 ExternalProject_Add_StepTargets(${name} clean) 682 683 if(LIBCXX_USE_TOOLCHAIN) 684 add_dependencies(${name}-clean ${name}-clobber) 685 set_target_properties(${name}-clean PROPERTIES 686 SOURCES ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp) 687 endif() 688endmacro() 689 690function(rt_externalize_debuginfo name) 691 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO) 692 return() 693 endif() 694 695 if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 696 set(strip_command COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>) 697 endif() 698 699 if(APPLE) 700 if(CMAKE_CXX_FLAGS MATCHES "-flto" 701 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 702 703 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 704 set_property(TARGET ${name} APPEND_STRING PROPERTY 705 LINK_FLAGS " -Wl,-object_path_lto -Wl,${lto_object}") 706 endif() 707 add_custom_command(TARGET ${name} POST_BUILD 708 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 709 ${strip_command}) 710 else() 711 message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 712 endif() 713endfunction() 714 715 716# Configure lit configuration files, including compiler-rt specific variables. 717function(configure_compiler_rt_lit_site_cfg input output) 718 set_llvm_build_mode() 719 720 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir) 721 722 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER}) 723 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_LIBRARY_OUTPUT_DIR ${output_dir}) 724 725 configure_lit_site_cfg(${input} ${output}) 726endfunction() 727