| 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | # |
| 3 | # Makefile for some libs needed in the kernel. |
| 4 | # |
| 5 | |
| 6 | ifdef CONFIG_FUNCTION_TRACER |
| 7 | ORIG_CFLAGS := $(KBUILD_CFLAGS) |
| 8 | KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS)) |
| 9 | endif |
| 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. |
| 14 | KCOV_INSTRUMENT_string.o := n |
| 15 | KCOV_INSTRUMENT_rbtree.o := n |
| 16 | KCOV_INSTRUMENT_list_debug.o := n |
| 17 | KCOV_INSTRUMENT_debugobjects.o := n |
| 18 | KCOV_INSTRUMENT_dynamic_debug.o := n |
| 19 | |
| 20 | lib-y := ctype.o string.o vsprintf.o cmdline.o \ |
| 21 | rbtree.o radix-tree.o timerqueue.o xarray.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 memcat_p.o |
| 28 | |
| 29 | lib-$(CONFIG_PRINTK) += dump_stack.o |
| 30 | lib-$(CONFIG_MMU) += ioremap.o |
| 31 | lib-$(CONFIG_SMP) += cpumask.o |
| 32 | |
| 33 | lib-y += kobject.o klist.o |
| 34 | obj-y += lockref.o |
| 35 | |
| 36 | obj-y += bcd.o div64.o sort.o parser.o debug_locks.o random32.o \ |
| 37 | bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \ |
| 38 | gcd.o lcm.o list_sort.o uuid.o flex_array.o iov_iter.o clz_ctz.o \ |
| 39 | bsearch.o find_bit.o llist.o memweight.o kfifo.o \ |
| 40 | percpu-refcount.o rhashtable.o reciprocal_div.o \ |
| 41 | once.o refcount.o usercopy.o errseq.o bucket_locks.o |
| 42 | obj-$(CONFIG_STRING_SELFTEST) += test_string.o |
| 43 | obj-y += string_helpers.o |
| 44 | obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o |
| 45 | obj-y += hexdump.o |
| 46 | obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o |
| 47 | obj-y += kstrtox.o |
| 48 | obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o |
| 49 | obj-$(CONFIG_TEST_BPF) += test_bpf.o |
| 50 | obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o |
| 51 | obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o |
| 52 | obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o |
| 53 | obj-$(CONFIG_TEST_IDA) += test_ida.o |
| 54 | obj-$(CONFIG_TEST_KASAN) += test_kasan.o |
| 55 | CFLAGS_test_kasan.o += -fno-builtin |
| 56 | CFLAGS_test_kasan.o += $(call cc-disable-warning, vla) |
| 57 | obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o |
| 58 | CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla) |
| 59 | UBSAN_SANITIZE_test_ubsan.o := y |
| 60 | obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o |
| 61 | obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o |
| 62 | obj-$(CONFIG_TEST_LKM) += test_module.o |
| 63 | obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o |
| 64 | obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o |
| 65 | obj-$(CONFIG_TEST_SORT) += test_sort.o |
| 66 | obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o |
| 67 | obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o |
| 68 | obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o |
| 69 | obj-$(CONFIG_TEST_PRINTF) += test_printf.o |
| 70 | obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o |
| 71 | obj-$(CONFIG_TEST_BITFIELD) += test_bitfield.o |
| 72 | obj-$(CONFIG_TEST_UUID) += test_uuid.o |
| 73 | obj-$(CONFIG_TEST_XARRAY) += test_xarray.o |
| 74 | obj-$(CONFIG_TEST_PARMAN) += test_parman.o |
| 75 | obj-$(CONFIG_TEST_KMOD) += test_kmod.o |
| 76 | obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o |
| 77 | obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o |
| 78 | |
| 79 | ifeq ($(CONFIG_DEBUG_KOBJECT),y) |
| 80 | CFLAGS_kobject.o += -DDEBUG |
| 81 | CFLAGS_kobject_uevent.o += -DDEBUG |
| 82 | endif |
| 83 | |
| 84 | obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o |
| 85 | CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any) |
| 86 | |
| 87 | obj-$(CONFIG_GENERIC_IOMAP) += iomap.o |
| 88 | obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o |
| 89 | obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o |
| 90 | obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o |
| 91 | obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o |
| 92 | |
| 93 | obj-y += logic_pio.o |
| 94 | |
| 95 | obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o |
| 96 | |
| 97 | obj-$(CONFIG_BTREE) += btree.o |
| 98 | obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o |
| 99 | obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o |
| 100 | obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o |
| 101 | obj-$(CONFIG_DEBUG_LIST) += list_debug.o |
| 102 | obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o |
| 103 | |
| 104 | obj-$(CONFIG_BITREVERSE) += bitrev.o |
| 105 | obj-$(CONFIG_RATIONAL) += rational.o |
| 106 | obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o |
| 107 | obj-$(CONFIG_CRC16) += crc16.o |
| 108 | obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o |
| 109 | obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o |
| 110 | obj-$(CONFIG_CRC32) += crc32.o |
| 111 | obj-$(CONFIG_CRC64) += crc64.o |
| 112 | obj-$(CONFIG_CRC32_SELFTEST) += crc32test.o |
| 113 | obj-$(CONFIG_CRC4) += crc4.o |
| 114 | obj-$(CONFIG_CRC7) += crc7.o |
| 115 | obj-$(CONFIG_LIBCRC32C) += libcrc32c.o |
| 116 | obj-$(CONFIG_CRC8) += crc8.o |
| 117 | obj-$(CONFIG_XXHASH) += xxhash.o |
| 118 | obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o |
| 119 | |
| 120 | obj-$(CONFIG_842_COMPRESS) += 842/ |
| 121 | obj-$(CONFIG_842_DECOMPRESS) += 842/ |
| 122 | obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/ |
| 123 | obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/ |
| 124 | obj-$(CONFIG_REED_SOLOMON) += reed_solomon/ |
| 125 | obj-$(CONFIG_BCH) += bch.o |
| 126 | obj-$(CONFIG_LZO_COMPRESS) += lzo/ |
| 127 | obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ |
| 128 | obj-$(CONFIG_LZ4_COMPRESS) += lz4/ |
| 129 | obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/ |
| 130 | obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/ |
| 131 | obj-$(CONFIG_ZSTD_COMPRESS) += zstd/ |
| 132 | obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/ |
| 133 | obj-$(CONFIG_XZ_DEC) += xz/ |
| 134 | obj-$(CONFIG_RAID6_PQ) += raid6/ |
| 135 | |
| 136 | lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o |
| 137 | lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o |
| 138 | lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o |
| 139 | lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o |
| 140 | lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o |
| 141 | lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o |
| 142 | |
| 143 | obj-$(CONFIG_TEXTSEARCH) += textsearch.o |
| 144 | obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o |
| 145 | obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o |
| 146 | obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o |
| 147 | obj-$(CONFIG_SMP) += percpu_counter.o |
| 148 | obj-$(CONFIG_AUDIT_GENERIC) += audit.o |
| 149 | obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o |
| 150 | |
| 151 | obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o |
| 152 | obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o |
| 153 | obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o |
| 154 | obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o |
| 155 | obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o |
| 156 | obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o |
| 157 | obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \ |
| 158 | of-reconfig-notifier-error-inject.o |
| 159 | obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o |
| 160 | |
| 161 | lib-$(CONFIG_GENERIC_BUG) += bug.o |
| 162 | |
| 163 | obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o |
| 164 | |
| 165 | obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o |
| 166 | |
| 167 | obj-$(CONFIG_NLATTR) += nlattr.o |
| 168 | |
| 169 | obj-$(CONFIG_LRU_CACHE) += lru_cache.o |
| 170 | |
| 171 | obj-$(CONFIG_GENERIC_CSUM) += checksum.o |
| 172 | |
| 173 | obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o |
| 174 | |
| 175 | obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o |
| 176 | |
| 177 | obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o |
| 178 | |
| 179 | obj-$(CONFIG_CORDIC) += cordic.o |
| 180 | |
| 181 | obj-$(CONFIG_DQL) += dynamic_queue_limits.o |
| 182 | |
| 183 | obj-$(CONFIG_GLOB) += glob.o |
| 184 | obj-$(CONFIG_GLOB_SELFTEST) += globtest.o |
| 185 | |
| 186 | obj-$(CONFIG_MPILIB) += mpi/ |
| 187 | obj-$(CONFIG_SIGNATURE) += digsig.o |
| 188 | |
| 189 | lib-$(CONFIG_CLZ_TAB) += clz_tab.o |
| 190 | |
| 191 | obj-$(CONFIG_DDR) += jedec_ddr_data.o |
| 192 | |
| 193 | obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o |
| 194 | obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o |
| 195 | |
| 196 | obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o |
| 197 | |
| 198 | obj-$(CONFIG_SG_SPLIT) += sg_split.o |
| 199 | obj-$(CONFIG_SG_POOL) += sg_pool.o |
| 200 | obj-$(CONFIG_STMP_DEVICE) += stmp_device.o |
| 201 | obj-$(CONFIG_IRQ_POLL) += irq_poll.o |
| 202 | |
| 203 | obj-$(CONFIG_STACKDEPOT) += stackdepot.o |
| 204 | KASAN_SANITIZE_stackdepot.o := n |
| 205 | KCOV_INSTRUMENT_stackdepot.o := n |
| 206 | |
| 207 | libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \ |
| 208 | fdt_empty_tree.o |
| 209 | $(foreach file, $(libfdt_files), \ |
| 210 | $(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt)) |
| 211 | lib-$(CONFIG_LIBFDT) += $(libfdt_files) |
| 212 | |
| 213 | obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o |
| 214 | obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o |
| 215 | |
| 216 | obj-$(CONFIG_PERCPU_TEST) += percpu_test.o |
| 217 | |
| 218 | obj-$(CONFIG_ASN1) += asn1_decoder.o |
| 219 | |
| 220 | obj-$(CONFIG_FONT_SUPPORT) += fonts/ |
| 221 | |
| 222 | obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o |
| 223 | |
| 224 | hostprogs-y := gen_crc32table |
| 225 | hostprogs-y += gen_crc64table |
| 226 | clean-files := crc32table.h |
| 227 | clean-files += crc64table.h |
| 228 | |
| 229 | $(obj)/crc32.o: $(obj)/crc32table.h |
| 230 | |
| 231 | quiet_cmd_crc32 = GEN $@ |
| 232 | cmd_crc32 = $< > $@ |
| 233 | |
| 234 | $(obj)/crc32table.h: $(obj)/gen_crc32table |
| 235 | $(call cmd,crc32) |
| 236 | |
| 237 | $(obj)/crc64.o: $(obj)/crc64table.h |
| 238 | |
| 239 | quiet_cmd_crc64 = GEN $@ |
| 240 | cmd_crc64 = $< > $@ |
| 241 | |
| 242 | $(obj)/crc64table.h: $(obj)/gen_crc64table |
| 243 | $(call cmd,crc64) |
| 244 | |
| 245 | # |
| 246 | # Build a fast OID lookip registry from include/linux/oid_registry.h |
| 247 | # |
| 248 | obj-$(CONFIG_OID_REGISTRY) += oid_registry.o |
| 249 | |
| 250 | $(obj)/oid_registry.o: $(obj)/oid_registry_data.c |
| 251 | |
| 252 | $(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \ |
| 253 | $(src)/build_OID_registry |
| 254 | $(call cmd,build_OID_registry) |
| 255 | |
| 256 | quiet_cmd_build_OID_registry = GEN $@ |
| 257 | cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@ |
| 258 | |
| 259 | clean-files += oid_registry_data.c |
| 260 | |
| 261 | obj-$(CONFIG_UCS2_STRING) += ucs2_string.o |
| 262 | obj-$(CONFIG_UBSAN) += ubsan.o |
| 263 | |
| 264 | UBSAN_SANITIZE_ubsan.o := n |
| 265 | |
| 266 | obj-$(CONFIG_SBITMAP) += sbitmap.o |
| 267 | |
| 268 | obj-$(CONFIG_PARMAN) += parman.o |
| 269 | |
| 270 | # GCC library routines |
| 271 | obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o |
| 272 | obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o |
| 273 | obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o |
| 274 | obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o |
| 275 | obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o |
| 276 | obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o |