1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for some libs needed in the kernel. 4# 5 6ifdef CONFIG_FUNCTION_TRACER 7ORIG_CFLAGS := $(KBUILD_CFLAGS) 8KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS)) 9endif 10 11# These files are disabled because they produce lots of non-interesting and/or 12# flaky coverage that is not a function of syscall inputs. For example, 13# rbtree can be global and individual rotations don't correlate with inputs. 14KCOV_INSTRUMENT_string.o := n 15KCOV_INSTRUMENT_rbtree.o := n 16KCOV_INSTRUMENT_list_debug.o := n 17KCOV_INSTRUMENT_debugobjects.o := n 18KCOV_INSTRUMENT_dynamic_debug.o := n 19 20lib-y := ctype.o string.o vsprintf.o cmdline.o \ 21 rbtree.o radix-tree.o timerqueue.o\ 22 idr.o int_sqrt.o extable.o \ 23 sha1.o chacha20.o irq_regs.o argv_split.o \ 24 flex_proportions.o ratelimit.o show_mem.o \ 25 is_single_threaded.o plist.o decompress.o kobject_uevent.o \ 26 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \ 27 nmi_backtrace.o nodemask.o win_minmax.o 28 29lib-$(CONFIG_PRINTK) += dump_stack.o 30lib-$(CONFIG_MMU) += ioremap.o 31lib-$(CONFIG_SMP) += cpumask.o 32 33lib-y += kobject.o klist.o 34obj-y += lockref.o 35 36obj-y += bcd.o div64.o sort.o parser.o debug_locks.o random32.o \ 37 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \ 38 gcd.o lcm.o list_sort.o uuid.o flex_array.o iov_iter.o clz_ctz.o \ 39 bsearch.o find_bit.o llist.o memweight.o kfifo.o \ 40 percpu-refcount.o rhashtable.o reciprocal_div.o \ 41 once.o refcount.o usercopy.o errseq.o bucket_locks.o 42obj-$(CONFIG_STRING_SELFTEST) += test_string.o 43obj-y += string_helpers.o 44obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o 45obj-y += hexdump.o 46obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o 47obj-y += kstrtox.o 48obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o 49obj-$(CONFIG_TEST_BPF) += test_bpf.o 50obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o 51obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o 52obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o 53obj-$(CONFIG_TEST_IDA) += test_ida.o 54obj-$(CONFIG_TEST_KASAN) += test_kasan.o 55CFLAGS_test_kasan.o += -fno-builtin 56obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o 57UBSAN_SANITIZE_test_ubsan.o := y 58obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o 59obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o 60obj-$(CONFIG_TEST_LKM) += test_module.o 61obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o 62obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o 63obj-$(CONFIG_TEST_SORT) += test_sort.o 64obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o 65obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o 66obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o 67obj-$(CONFIG_TEST_PRINTF) += test_printf.o 68obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o 69obj-$(CONFIG_TEST_BITFIELD) += test_bitfield.o 70obj-$(CONFIG_TEST_UUID) += test_uuid.o 71obj-$(CONFIG_TEST_PARMAN) += test_parman.o 72obj-$(CONFIG_TEST_KMOD) += test_kmod.o 73obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o 74 75ifeq ($(CONFIG_DEBUG_KOBJECT),y) 76CFLAGS_kobject.o += -DDEBUG 77CFLAGS_kobject_uevent.o += -DDEBUG 78endif 79 80obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o 81CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any) 82 83obj-$(CONFIG_GENERIC_IOMAP) += iomap.o 84obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o 85obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o 86obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o 87obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o 88 89obj-y += logic_pio.o 90 91obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o 92 93obj-$(CONFIG_BTREE) += btree.o 94obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o 95obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o 96obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o 97obj-$(CONFIG_DEBUG_LIST) += list_debug.o 98obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o 99 100obj-$(CONFIG_BITREVERSE) += bitrev.o 101obj-$(CONFIG_RATIONAL) += rational.o 102obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o 103obj-$(CONFIG_CRC16) += crc16.o 104obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o 105obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o 106obj-$(CONFIG_CRC32) += crc32.o 107obj-$(CONFIG_CRC64) += crc64.o 108obj-$(CONFIG_CRC32_SELFTEST) += crc32test.o 109obj-$(CONFIG_CRC4) += crc4.o 110obj-$(CONFIG_CRC7) += crc7.o 111obj-$(CONFIG_LIBCRC32C) += libcrc32c.o 112obj-$(CONFIG_CRC8) += crc8.o 113obj-$(CONFIG_XXHASH) += xxhash.o 114obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o 115 116obj-$(CONFIG_842_COMPRESS) += 842/ 117obj-$(CONFIG_842_DECOMPRESS) += 842/ 118obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/ 119obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/ 120obj-$(CONFIG_REED_SOLOMON) += reed_solomon/ 121obj-$(CONFIG_BCH) += bch.o 122CFLAGS_bch.o := $(call cc-option,-Wframe-larger-than=4500) 123obj-$(CONFIG_LZO_COMPRESS) += lzo/ 124obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ 125obj-$(CONFIG_LZ4_COMPRESS) += lz4/ 126obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/ 127obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/ 128obj-$(CONFIG_ZSTD_COMPRESS) += zstd/ 129obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/ 130obj-$(CONFIG_XZ_DEC) += xz/ 131obj-$(CONFIG_RAID6_PQ) += raid6/ 132 133lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o 134lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o 135lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o 136lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o 137lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o 138lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o 139 140obj-$(CONFIG_TEXTSEARCH) += textsearch.o 141obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o 142obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o 143obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o 144obj-$(CONFIG_SMP) += percpu_counter.o 145obj-$(CONFIG_AUDIT_GENERIC) += audit.o 146obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o 147 148obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o 149obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o 150obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o 151obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o 152obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o 153obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o 154obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \ 155 of-reconfig-notifier-error-inject.o 156obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o 157 158lib-$(CONFIG_GENERIC_BUG) += bug.o 159 160obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o 161 162obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o 163 164obj-$(CONFIG_NLATTR) += nlattr.o 165 166obj-$(CONFIG_LRU_CACHE) += lru_cache.o 167 168obj-$(CONFIG_GENERIC_CSUM) += checksum.o 169 170obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o 171 172obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o 173 174obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o 175 176obj-$(CONFIG_CORDIC) += cordic.o 177 178obj-$(CONFIG_DQL) += dynamic_queue_limits.o 179 180obj-$(CONFIG_GLOB) += glob.o 181obj-$(CONFIG_GLOB_SELFTEST) += globtest.o 182 183obj-$(CONFIG_MPILIB) += mpi/ 184obj-$(CONFIG_SIGNATURE) += digsig.o 185 186lib-$(CONFIG_CLZ_TAB) += clz_tab.o 187 188obj-$(CONFIG_DDR) += jedec_ddr_data.o 189 190obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o 191obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o 192 193obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o 194 195obj-$(CONFIG_SG_SPLIT) += sg_split.o 196obj-$(CONFIG_SG_POOL) += sg_pool.o 197obj-$(CONFIG_STMP_DEVICE) += stmp_device.o 198obj-$(CONFIG_IRQ_POLL) += irq_poll.o 199 200obj-$(CONFIG_STACKDEPOT) += stackdepot.o 201KASAN_SANITIZE_stackdepot.o := n 202KCOV_INSTRUMENT_stackdepot.o := n 203 204libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \ 205 fdt_empty_tree.o 206$(foreach file, $(libfdt_files), \ 207 $(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt)) 208lib-$(CONFIG_LIBFDT) += $(libfdt_files) 209 210obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o 211obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o 212 213obj-$(CONFIG_PERCPU_TEST) += percpu_test.o 214 215obj-$(CONFIG_ASN1) += asn1_decoder.o 216 217obj-$(CONFIG_FONT_SUPPORT) += fonts/ 218 219obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o 220 221hostprogs-y := gen_crc32table 222hostprogs-y += gen_crc64table 223clean-files := crc32table.h 224clean-files += crc64table.h 225 226$(obj)/crc32.o: $(obj)/crc32table.h 227 228quiet_cmd_crc32 = GEN $@ 229 cmd_crc32 = $< > $@ 230 231$(obj)/crc32table.h: $(obj)/gen_crc32table 232 $(call cmd,crc32) 233 234$(obj)/crc64.o: $(obj)/crc64table.h 235 236quiet_cmd_crc64 = GEN $@ 237 cmd_crc64 = $< > $@ 238 239$(obj)/crc64table.h: $(obj)/gen_crc64table 240 $(call cmd,crc64) 241 242# 243# Build a fast OID lookip registry from include/linux/oid_registry.h 244# 245obj-$(CONFIG_OID_REGISTRY) += oid_registry.o 246 247$(obj)/oid_registry.o: $(obj)/oid_registry_data.c 248 249$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \ 250 $(src)/build_OID_registry 251 $(call cmd,build_OID_registry) 252 253quiet_cmd_build_OID_registry = GEN $@ 254 cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@ 255 256clean-files += oid_registry_data.c 257 258obj-$(CONFIG_UCS2_STRING) += ucs2_string.o 259obj-$(CONFIG_UBSAN) += ubsan.o 260 261UBSAN_SANITIZE_ubsan.o := n 262 263obj-$(CONFIG_SBITMAP) += sbitmap.o 264 265obj-$(CONFIG_PARMAN) += parman.o 266 267# GCC library routines 268obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o 269obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o 270obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o 271obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o 272obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o 273obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o 274