lib/Makefile

   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
  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-$(CONFIG_TEST_KASAN) += test_kasan.o
  55 CFLAGS_test_kasan.o += -fno-builtin
  56 obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
  57 UBSAN_SANITIZE_test_ubsan.o := y
  58 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
  59 obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
  60 obj-$(CONFIG_TEST_LKM) += test_module.o
  61 obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o
  62 obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
  63 obj-$(CONFIG_TEST_SORT) += test_sort.o
  64 obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
  65 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
  66 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
  67 obj-$(CONFIG_TEST_PRINTF) += test_printf.o
  68 obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
  69 obj-$(CONFIG_TEST_BITFIELD) += test_bitfield.o
  70 obj-$(CONFIG_TEST_UUID) += test_uuid.o
  71 obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
  72 obj-$(CONFIG_TEST_PARMAN) += test_parman.o
  73 obj-$(CONFIG_TEST_KMOD) += test_kmod.o
  74 obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
  75
  76 ifeq ($(CONFIG_DEBUG_KOBJECT),y)
  77 CFLAGS_kobject.o += -DDEBUG
  78 CFLAGS_kobject_uevent.o += -DDEBUG
  79 endif
  80
  81 obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
  82 CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
  83
  84 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
  85 obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
  86 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
  87 obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
  88 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
  89
  90 obj-y += logic_pio.o
  91
  92 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
  93
  94 obj-$(CONFIG_BTREE) += btree.o
  95 obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
  96 obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
  97 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
  98 obj-$(CONFIG_DEBUG_LIST) += list_debug.o
  99 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
 100
 101 obj-$(CONFIG_BITREVERSE) += bitrev.o
 102 obj-$(CONFIG_RATIONAL)  += rational.o
 103 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
 104 obj-$(CONFIG_CRC16)     += crc16.o
 105 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
 106 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
 107 obj-$(CONFIG_CRC32)     += crc32.o
 108 obj-$(CONFIG_CRC64)     += crc64.o
 109 obj-$(CONFIG_CRC32_SELFTEST)    += crc32test.o
 110 obj-$(CONFIG_CRC4)      += crc4.o
 111 obj-$(CONFIG_CRC7)      += crc7.o
 112 obj-$(CONFIG_LIBCRC32C) += libcrc32c.o
 113 obj-$(CONFIG_CRC8)      += crc8.o
 114 obj-$(CONFIG_XXHASH)    += xxhash.o
 115 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
 116
 117 obj-$(CONFIG_842_COMPRESS) += 842/
 118 obj-$(CONFIG_842_DECOMPRESS) += 842/
 119 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
 120 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
 121 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
 122 obj-$(CONFIG_BCH) += bch.o
 123 CFLAGS_bch.o := $(call cc-option,-Wframe-larger-than=4500)
 124 obj-$(CONFIG_LZO_COMPRESS) += lzo/
 125 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
 126 obj-$(CONFIG_LZ4_COMPRESS) += lz4/
 127 obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
 128 obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
 129 obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
 130 obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
 131 obj-$(CONFIG_XZ_DEC) += xz/
 132 obj-$(CONFIG_RAID6_PQ) += raid6/
 133
 134 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
 135 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
 136 lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
 137 lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
 138 lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
 139 lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
 140
 141 obj-$(CONFIG_TEXTSEARCH) += textsearch.o
 142 obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
 143 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
 144 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
 145 obj-$(CONFIG_SMP) += percpu_counter.o
 146 obj-$(CONFIG_AUDIT_GENERIC) += audit.o
 147 obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
 148
 149 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
 150 obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
 151 obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
 152 obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
 153 obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
 154 obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
 155 obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
 156         of-reconfig-notifier-error-inject.o
 157 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
 158
 159 lib-$(CONFIG_GENERIC_BUG) += bug.o
 160
 161 obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
 162
 163 obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
 164
 165 obj-$(CONFIG_NLATTR) += nlattr.o
 166
 167 obj-$(CONFIG_LRU_CACHE) += lru_cache.o
 168
 169 obj-$(CONFIG_GENERIC_CSUM) += checksum.o
 170
 171 obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
 172
 173 obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
 174
 175 obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
 176
 177 obj-$(CONFIG_CORDIC) += cordic.o
 178
 179 obj-$(CONFIG_DQL) += dynamic_queue_limits.o
 180
 181 obj-$(CONFIG_GLOB) += glob.o
 182 obj-$(CONFIG_GLOB_SELFTEST) += globtest.o
 183
 184 obj-$(CONFIG_MPILIB) += mpi/
 185 obj-$(CONFIG_SIGNATURE) += digsig.o
 186
 187 lib-$(CONFIG_CLZ_TAB) += clz_tab.o
 188
 189 obj-$(CONFIG_DDR) += jedec_ddr_data.o
 190
 191 obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
 192 obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
 193
 194 obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
 195
 196 obj-$(CONFIG_SG_SPLIT) += sg_split.o
 197 obj-$(CONFIG_SG_POOL) += sg_pool.o
 198 obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
 199 obj-$(CONFIG_IRQ_POLL) += irq_poll.o
 200
 201 obj-$(CONFIG_STACKDEPOT) += stackdepot.o
 202 KASAN_SANITIZE_stackdepot.o := n
 203 KCOV_INSTRUMENT_stackdepot.o := n
 204
 205 libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
 206                fdt_empty_tree.o
 207 $(foreach file, $(libfdt_files), \
 208         $(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt))
 209 lib-$(CONFIG_LIBFDT) += $(libfdt_files)
 210
 211 obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
 212 obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
 213
 214 obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
 215
 216 obj-$(CONFIG_ASN1) += asn1_decoder.o
 217
 218 obj-$(CONFIG_FONT_SUPPORT) += fonts/
 219
 220 obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o
 221
 222 hostprogs-y     := gen_crc32table
 223 hostprogs-y     += gen_crc64table
 224 clean-files     := crc32table.h
 225 clean-files     += crc64table.h
 226
 227 $(obj)/crc32.o: $(obj)/crc32table.h
 228
 229 quiet_cmd_crc32 = GEN     $@
 230       cmd_crc32 = $< > $@
 231
 232 $(obj)/crc32table.h: $(obj)/gen_crc32table
 233         $(call cmd,crc32)
 234
 235 $(obj)/crc64.o: $(obj)/crc64table.h
 236
 237 quiet_cmd_crc64 = GEN     $@
 238       cmd_crc64 = $< > $@
 239
 240 $(obj)/crc64table.h: $(obj)/gen_crc64table
 241         $(call cmd,crc64)
 242
 243 #
 244 # Build a fast OID lookip registry from include/linux/oid_registry.h
 245 #
 246 obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
 247
 248 $(obj)/oid_registry.o: $(obj)/oid_registry_data.c
 249
 250 $(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
 251                             $(src)/build_OID_registry
 252         $(call cmd,build_OID_registry)
 253
 254 quiet_cmd_build_OID_registry = GEN     $@
 255       cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
 256
 257 clean-files     += oid_registry_data.c
 258
 259 obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
 260 obj-$(CONFIG_UBSAN) += ubsan.o
 261
 262 UBSAN_SANITIZE_ubsan.o := n
 263
 264 obj-$(CONFIG_SBITMAP) += sbitmap.o
 265
 266 obj-$(CONFIG_PARMAN) += parman.o
 267
 268 # GCC library routines
 269 obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
 270 obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o
 271 obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o
 272 obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o
 273 obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o
 274 obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o