1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # Makefile for some libs needed in the kernel. 4 # 5 6 ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE) 7 8 # These files are disabled because they produce lots of non-interesting and/or 9 # flaky coverage that is not a function of syscall inputs. For example, 10 # rbtree can be global and individual rotations don't correlate with inputs. 11 KCOV_INSTRUMENT_string.o := n 12 KCOV_INSTRUMENT_rbtree.o := n 13 KCOV_INSTRUMENT_list_debug.o := n 14 KCOV_INSTRUMENT_debugobjects.o := n 15 KCOV_INSTRUMENT_dynamic_debug.o := n 16 KCOV_INSTRUMENT_fault-inject.o := n 17 18 # string.o implements standard library functions like memset/memcpy etc. 19 # Use -ffreestanding to ensure that the compiler does not try to "optimize" 20 # them into calls to themselves. 21 CFLAGS_string.o := -ffreestanding 22 23 # Early boot use of cmdline, don't instrument it 24 ifdef CONFIG_AMD_MEM_ENCRYPT 25 KASAN_SANITIZE_string.o := n 26 27 CFLAGS_string.o += -fno-stack-protector 28 endif 29 30 lib-y := ctype.o string.o vsprintf.o cmdline.o \ 31 rbtree.o radix-tree.o timerqueue.o xarray.o \ 32 maple_tree.o idr.o extable.o irq_regs.o argv_split.o \ 33 flex_proportions.o ratelimit.o \ 34 is_single_threaded.o plist.o decompress.o kobject_uevent.o \ 35 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \ 36 nmi_backtrace.o win_minmax.o memcat_p.o \ 37 buildid.o objpool.o 38 39 lib-$(CONFIG_PRINTK) += dump_stack.o 40 lib-$(CONFIG_SMP) += cpumask.o 41 42 lib-y += kobject.o klist.o 43 obj-y += lockref.o 44 45 obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \ 46 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \ 47 list_sort.o uuid.o iov_iter.o clz_ctz.o \ 48 bsearch.o find_bit.o llist.o lwq.o memweight.o kfifo.o \ 49 percpu-refcount.o rhashtable.o base64.o \ 50 once.o refcount.o rcuref.o usercopy.o errseq.o bucket_locks.o \ 51 generic-radix-tree.o bitmap-str.o 52 obj-$(CONFIG_STRING_KUNIT_TEST) += string_kunit.o 53 obj-y += string_helpers.o 54 obj-$(CONFIG_STRING_HELPERS_KUNIT_TEST) += string_helpers_kunit.o 55 obj-y += hexdump.o 56 obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o 57 obj-y += kstrtox.o 58 obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o 59 obj-$(CONFIG_TEST_BPF) += test_bpf.o 60 test_dhry-objs := dhry_1.o dhry_2.o dhry_run.o 61 obj-$(CONFIG_TEST_DHRY) += test_dhry.o 62 obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o 63 obj-$(CONFIG_TEST_BITOPS) += test_bitops.o 64 CFLAGS_test_bitops.o += -Werror 65 obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_kunit.o 66 obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o 67 obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter.o 68 obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o 69 obj-$(CONFIG_TEST_IDA) += test_ida.o 70 obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o 71 CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla) 72 CFLAGS_test_ubsan.o += $(call cc-disable-warning, unused-but-set-variable) 73 UBSAN_SANITIZE_test_ubsan.o := y 74 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o 75 obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o 76 obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o 77 obj-$(CONFIG_TEST_LKM) += test_module.o 78 obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o 79 obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o 80 obj-$(CONFIG_TEST_SORT) += test_sort.o 81 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o 82 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o 83 obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o 84 obj-$(CONFIG_TEST_PRINTF) += test_printf.o 85 obj-$(CONFIG_TEST_SCANF) += test_scanf.o 86 87 obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o 88 ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy) 89 # FIXME: Clang breaks test_bitmap_const_eval when KASAN and GCOV are enabled 90 GCOV_PROFILE_test_bitmap.o := n 91 endif 92 93 obj-$(CONFIG_TEST_UUID) += test_uuid.o 94 obj-$(CONFIG_TEST_XARRAY) += test_xarray.o 95 obj-$(CONFIG_TEST_MAPLE_TREE) += test_maple_tree.o 96 obj-$(CONFIG_TEST_PARMAN) += test_parman.o 97 obj-$(CONFIG_TEST_KMOD) += test_kmod.o 98 obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o 99 obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o 100 obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o 101 obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_blackhole_dev.o 102 obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o 103 obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o 104 obj-$(CONFIG_TEST_HMM) += test_hmm.o 105 obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o 106 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o 107 obj-$(CONFIG_TEST_REF_TRACKER) += test_ref_tracker.o 108 CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE) 109 obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o 110 obj-$(CONFIG_TEST_OBJPOOL) += test_objpool.o 111 112 obj-$(CONFIG_TEST_FPU) += test_fpu.o 113 test_fpu-y := test_fpu_glue.o test_fpu_impl.o 114 CFLAGS_test_fpu_impl.o += $(CC_FLAGS_FPU) 115 CFLAGS_REMOVE_test_fpu_impl.o += $(CC_FLAGS_NO_FPU) 116 117 # Some KUnit files (hooks.o) need to be built-in even when KUnit is a module, 118 # so we can't just use obj-$(CONFIG_KUNIT). 119 ifdef CONFIG_KUNIT 120 obj-y += kunit/ 121 endif 122 123 ifeq ($(CONFIG_DEBUG_KOBJECT),y) 124 CFLAGS_kobject.o += -DDEBUG 125 CFLAGS_kobject_uevent.o += -DDEBUG 126 endif 127 128 obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o 129 CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any) 130 131 obj-y += math/ crypto/ 132 133 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o 134 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o 135 obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o 136 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o 137 138 lib-y += logic_pio.o 139 140 lib-$(CONFIG_INDIRECT_IOMEM) += logic_iomem.o 141 142 obj-$(CONFIG_TRACE_MMIO_ACCESS) += trace_readwrite.o 143 144 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o 145 146 obj-$(CONFIG_BTREE) += btree.o 147 obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o 148 obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o 149 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o 150 obj-$(CONFIG_LIST_HARDENED) += list_debug.o 151 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o 152 153 obj-$(CONFIG_BITREVERSE) += bitrev.o 154 obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o 155 obj-$(CONFIG_PACKING) += packing.o 156 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o 157 obj-$(CONFIG_CRC16) += crc16.o 158 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o 159 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o 160 obj-$(CONFIG_CRC32) += crc32.o 161 obj-$(CONFIG_CRC64) += crc64.o 162 obj-$(CONFIG_CRC32_SELFTEST) += crc32test.o 163 obj-$(CONFIG_CRC4) += crc4.o 164 obj-$(CONFIG_CRC7) += crc7.o 165 obj-$(CONFIG_LIBCRC32C) += libcrc32c.o 166 obj-$(CONFIG_CRC8) += crc8.o 167 obj-$(CONFIG_CRC64_ROCKSOFT) += crc64-rocksoft.o 168 obj-$(CONFIG_XXHASH) += xxhash.o 169 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o 170 171 obj-$(CONFIG_842_COMPRESS) += 842/ 172 obj-$(CONFIG_842_DECOMPRESS) += 842/ 173 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/ 174 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/ 175 obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc/ 176 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/ 177 obj-$(CONFIG_BCH) += bch.o 178 obj-$(CONFIG_LZO_COMPRESS) += lzo/ 179 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ 180 obj-$(CONFIG_LZ4_COMPRESS) += lz4/ 181 obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/ 182 obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/ 183 obj-$(CONFIG_ZSTD_COMPRESS) += zstd/ 184 obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/ 185 obj-$(CONFIG_XZ_DEC) += xz/ 186 obj-$(CONFIG_RAID6_PQ) += raid6/ 187 188 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o 189 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o 190 lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o 191 lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o 192 lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o 193 lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o 194 lib-$(CONFIG_DECOMPRESS_ZSTD) += decompress_unzstd.o 195 196 obj-$(CONFIG_TEXTSEARCH) += textsearch.o 197 obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o 198 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o 199 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o 200 obj-$(CONFIG_SMP) += percpu_counter.o 201 obj-$(CONFIG_AUDIT_GENERIC) += audit.o 202 obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o 203 204 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o 205 obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o 206 obj-$(CONFIG_FAULT_INJECTION_USERCOPY) += fault-inject-usercopy.o 207 obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o 208 obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o 209 obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o 210 obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o 211 obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \ 212 of-reconfig-notifier-error-inject.o 213 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o 214 215 obj-$(CONFIG_CODE_TAGGING) += codetag.o 216 obj-$(CONFIG_MEM_ALLOC_PROFILING) += alloc_tag.o 217 218 lib-$(CONFIG_GENERIC_BUG) += bug.o 219 220 obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o 221 obj-$(CONFIG_ARCH_NEED_CMPXCHG_1_EMU) += cmpxchg-emu.o 222 223 obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_debug.o 224 #ensure exported functions have prototypes 225 CFLAGS_dynamic_debug.o := -DDYNAMIC_DEBUG_MODULE 226 227 obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o 228 229 obj-$(CONFIG_NLATTR) += nlattr.o 230 231 obj-$(CONFIG_LRU_CACHE) += lru_cache.o 232 233 obj-$(CONFIG_GENERIC_CSUM) += checksum.o 234 235 obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o 236 237 obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o 238 239 obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o 240 241 obj-$(CONFIG_CLOSURES) += closure.o 242 243 obj-$(CONFIG_DQL) += dynamic_queue_limits.o 244 245 obj-$(CONFIG_GLOB) += glob.o 246 obj-$(CONFIG_GLOB_SELFTEST) += globtest.o 247 248 obj-$(CONFIG_DIMLIB) += dim/ 249 obj-$(CONFIG_SIGNATURE) += digsig.o 250 251 lib-$(CONFIG_CLZ_TAB) += clz_tab.o 252 253 obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o 254 obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o 255 256 obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o 257 258 obj-$(CONFIG_SG_SPLIT) += sg_split.o 259 obj-$(CONFIG_SG_POOL) += sg_pool.o 260 obj-$(CONFIG_MEMREGION) += memregion.o 261 obj-$(CONFIG_STMP_DEVICE) += stmp_device.o 262 obj-$(CONFIG_IRQ_POLL) += irq_poll.o 263 264 obj-$(CONFIG_POLYNOMIAL) += polynomial.o 265 266 # stackdepot.c should not be instrumented or call instrumented functions. 267 # Prevent the compiler from calling builtins like memcmp() or bcmp() from this 268 # file. 269 CFLAGS_stackdepot.o += -fno-builtin 270 obj-$(CONFIG_STACKDEPOT) += stackdepot.o 271 KASAN_SANITIZE_stackdepot.o := n 272 # In particular, instrumenting stackdepot.c with KMSAN will result in infinite 273 # recursion. 274 KMSAN_SANITIZE_stackdepot.o := n 275 KCOV_INSTRUMENT_stackdepot.o := n 276 277 obj-$(CONFIG_REF_TRACKER) += ref_tracker.o 278 279 libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \ 280 fdt_empty_tree.o fdt_addresses.o 281 $(foreach file, $(libfdt_files), \ 282 $(eval CFLAGS_$(file) = -I $(srctree)/scripts/dtc/libfdt)) 283 lib-$(CONFIG_LIBFDT) += $(libfdt_files) 284 285 obj-$(CONFIG_BOOT_CONFIG) += bootconfig.o 286 obj-$(CONFIG_BOOT_CONFIG_EMBED) += bootconfig-data.o 287 288 $(obj)/bootconfig-data.o: $(obj)/default.bconf 289 290 targets += default.bconf 291 filechk_defbconf = cat $(or $(real-prereqs), /dev/null) 292 $(obj)/default.bconf: $(CONFIG_BOOT_CONFIG_EMBED_FILE) FORCE 293 $(call filechk,defbconf) 294 295 obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o 296 obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o 297 298 obj-$(CONFIG_PERCPU_TEST) += percpu_test.o 299 300 obj-$(CONFIG_ASN1) += asn1_decoder.o 301 obj-$(CONFIG_ASN1_ENCODER) += asn1_encoder.o 302 303 obj-$(CONFIG_FONT_SUPPORT) += fonts/ 304 305 hostprogs := gen_crc32table 306 hostprogs += gen_crc64table 307 clean-files := crc32table.h 308 clean-files += crc64table.h 309 310 $(obj)/crc32.o: $(obj)/crc32table.h 311 312 quiet_cmd_crc32 = GEN $@ 313 cmd_crc32 = $< > $@ 314 315 $(obj)/crc32table.h: $(obj)/gen_crc32table 316 $(call cmd,crc32) 317 318 $(obj)/crc64.o: $(obj)/crc64table.h 319 320 quiet_cmd_crc64 = GEN $@ 321 cmd_crc64 = $< > $@ 322 323 $(obj)/crc64table.h: $(obj)/gen_crc64table 324 $(call cmd,crc64) 325 326 # 327 # Build a fast OID lookip registry from include/linux/oid_registry.h 328 # 329 obj-$(CONFIG_OID_REGISTRY) += oid_registry.o 330 331 $(obj)/oid_registry.o: $(obj)/oid_registry_data.c 332 333 $(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \ 334 $(src)/build_OID_registry 335 $(call cmd,build_OID_registry) 336 337 quiet_cmd_build_OID_registry = GEN $@ 338 cmd_build_OID_registry = perl $(src)/build_OID_registry $< $@ 339 340 clean-files += oid_registry_data.c 341 342 obj-$(CONFIG_UCS2_STRING) += ucs2_string.o 343 obj-$(CONFIG_UBSAN) += ubsan.o 344 345 UBSAN_SANITIZE_ubsan.o := n 346 KASAN_SANITIZE_ubsan.o := n 347 KCSAN_SANITIZE_ubsan.o := n 348 CFLAGS_ubsan.o := -fno-stack-protector $(DISABLE_STACKLEAK_PLUGIN) 349 350 obj-$(CONFIG_SBITMAP) += sbitmap.o 351 352 obj-$(CONFIG_PARMAN) += parman.o 353 354 obj-y += group_cpus.o 355 356 # GCC library routines 357 obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o 358 obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o 359 obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o 360 obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o 361 obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o 362 obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o 363 obj-$(CONFIG_OBJAGG) += objagg.o 364 365 # pldmfw library 366 obj-$(CONFIG_PLDMFW) += pldmfw/ 367 368 # KUnit tests 369 CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN) 370 obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o 371 obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o 372 obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o 373 obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o 374 obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o 375 obj-$(CONFIG_BITS_TEST) += test_bits.o 376 obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o 377 obj-$(CONFIG_SLUB_KUNIT_TEST) += slub_kunit.o 378 obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcpy_kunit.o 379 obj-$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST) += is_signed_type_kunit.o 380 CFLAGS_overflow_kunit.o = $(call cc-disable-warning, tautological-constant-out-of-range-compare) 381 obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_kunit.o 382 CFLAGS_stackinit_kunit.o += $(call cc-disable-warning, switch-unreachable) 383 obj-$(CONFIG_STACKINIT_KUNIT_TEST) += stackinit_kunit.o 384 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, unsequenced) 385 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-overread) 386 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-truncation) 387 CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN) 388 obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o 389 obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o 390 obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_kunit.o 391 392 obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o 393 394 obj-$(CONFIG_FIRMWARE_TABLE) += fw_table.o 395 396 # FORTIFY_SOURCE compile-time behavior tests 397 TEST_FORTIFY_SRCS = $(wildcard $(src)/test_fortify/*-*.c) 398 TEST_FORTIFY_LOGS = $(patsubst $(src)/%.c, %.log, $(TEST_FORTIFY_SRCS)) 399 TEST_FORTIFY_LOG = test_fortify.log 400 401 quiet_cmd_test_fortify = TEST $@ 402 cmd_test_fortify = $(CONFIG_SHELL) $(srctree)/scripts/test_fortify.sh \ 403 $< $@ "$(NM)" $(CC) $(c_flags) \ 404 $(call cc-disable-warning,fortify-source) \ 405 -DKBUILD_EXTRA_WARN1 406 407 targets += $(TEST_FORTIFY_LOGS) 408 clean-files += $(TEST_FORTIFY_LOGS) 409 clean-files += $(addsuffix .o, $(TEST_FORTIFY_LOGS)) 410 $(obj)/test_fortify/%.log: $(src)/test_fortify/%.c \ 411 $(src)/test_fortify/test_fortify.h \ 412 $(srctree)/include/linux/fortify-string.h \ 413 $(srctree)/scripts/test_fortify.sh \ 414 FORCE 415 $(call if_changed,test_fortify) 416 417 quiet_cmd_gen_fortify_log = GEN $@ 418 cmd_gen_fortify_log = cat </dev/null $(filter-out FORCE,$^) 2>/dev/null > $@ || true 419 420 targets += $(TEST_FORTIFY_LOG) 421 clean-files += $(TEST_FORTIFY_LOG) 422 $(obj)/$(TEST_FORTIFY_LOG): $(addprefix $(obj)/, $(TEST_FORTIFY_LOGS)) FORCE 423 $(call if_changed,gen_fortify_log) 424 425 # Fake dependency to trigger the fortify tests. 426 ifeq ($(CONFIG_FORTIFY_SOURCE),y) 427 $(obj)/string.o: $(obj)/$(TEST_FORTIFY_LOG) 428 endif 429 430 # Some architectures define __NO_FORTIFY if __SANITIZE_ADDRESS__ is undefined. 431 # Pass CFLAGS_KASAN to avoid warnings. 432 $(foreach x, $(patsubst %.log,%.o,$(TEST_FORTIFY_LOGS)), $(eval KASAN_SANITIZE_$(x) := y))
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