xref: /linux/lib/Makefile (revision de167752a889d19b9bb018f8eecbc1ebbfe07b2f) 
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-$(CONFIG_SMP) += cpumask.o
32
33lib-y	+= kobject.o klist.o
34obj-y	+= lockref.o
35
36obj-y += bcd.o div64.o sort.o parser.o debug_locks.o random32.o \
37	 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
38	 gcd.o lcm.o list_sort.o uuid.o flex_array.o iov_iter.o clz_ctz.o \
39	 bsearch.o find_bit.o llist.o memweight.o kfifo.o \
40	 percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o \
41	 once.o refcount.o usercopy.o errseq.o bucket_locks.o
42obj-$(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_KASAN) += test_kasan.o
54CFLAGS_test_kasan.o += -fno-builtin
55obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
56UBSAN_SANITIZE_test_ubsan.o := y
57obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
58obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
59obj-$(CONFIG_TEST_LKM) += test_module.o
60obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o
61obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
62obj-$(CONFIG_TEST_SORT) += test_sort.o
63obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
64obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
65obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
66obj-$(CONFIG_TEST_PRINTF) += test_printf.o
67obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
68obj-$(CONFIG_TEST_UUID) += test_uuid.o
69obj-$(CONFIG_TEST_PARMAN) += test_parman.o
70obj-$(CONFIG_TEST_KMOD) += test_kmod.o
71obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
72
73ifeq ($(CONFIG_DEBUG_KOBJECT),y)
74CFLAGS_kobject.o += -DDEBUG
75CFLAGS_kobject_uevent.o += -DDEBUG
76endif
77
78obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
79CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
80
81obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
82obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
83obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
84obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
85obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
86
87obj-y += logic_pio.o
88
89obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
90
91obj-$(CONFIG_BTREE) += btree.o
92obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
93obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
94obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
95obj-$(CONFIG_DEBUG_LIST) += list_debug.o
96obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
97
98obj-$(CONFIG_BITREVERSE) += bitrev.o
99obj-$(CONFIG_RATIONAL)	+= rational.o
100obj-$(CONFIG_CRC_CCITT)	+= crc-ccitt.o
101obj-$(CONFIG_CRC16)	+= crc16.o
102obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
103obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
104obj-$(CONFIG_CRC32)	+= crc32.o
105obj-$(CONFIG_CRC32_SELFTEST)	+= crc32test.o
106obj-$(CONFIG_CRC4)	+= crc4.o
107obj-$(CONFIG_CRC7)	+= crc7.o
108obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
109obj-$(CONFIG_CRC8)	+= crc8.o
110obj-$(CONFIG_XXHASH)	+= xxhash.o
111obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
112
113obj-$(CONFIG_842_COMPRESS) += 842/
114obj-$(CONFIG_842_DECOMPRESS) += 842/
115obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
116obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
117obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
118obj-$(CONFIG_BCH) += bch.o
119obj-$(CONFIG_LZO_COMPRESS) += lzo/
120obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
121obj-$(CONFIG_LZ4_COMPRESS) += lz4/
122obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
123obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
124obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
125obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
126obj-$(CONFIG_XZ_DEC) += xz/
127obj-$(CONFIG_RAID6_PQ) += raid6/
128
129lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
130lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
131lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
132lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
133lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
134lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
135
136obj-$(CONFIG_TEXTSEARCH) += textsearch.o
137obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
138obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
139obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
140obj-$(CONFIG_SMP) += percpu_counter.o
141obj-$(CONFIG_AUDIT_GENERIC) += audit.o
142obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
143
144obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
145obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
146obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
147obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
148obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
149obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
150obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
151	of-reconfig-notifier-error-inject.o
152obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
153
154lib-$(CONFIG_GENERIC_BUG) += bug.o
155
156obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
157
158obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
159
160obj-$(CONFIG_NLATTR) += nlattr.o
161
162obj-$(CONFIG_LRU_CACHE) += lru_cache.o
163
164obj-$(CONFIG_GENERIC_CSUM) += checksum.o
165
166obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
167
168obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
169
170obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
171
172obj-$(CONFIG_CORDIC) += cordic.o
173
174obj-$(CONFIG_DQL) += dynamic_queue_limits.o
175
176obj-$(CONFIG_GLOB) += glob.o
177obj-$(CONFIG_GLOB_SELFTEST) += globtest.o
178
179obj-$(CONFIG_MPILIB) += mpi/
180obj-$(CONFIG_SIGNATURE) += digsig.o
181
182lib-$(CONFIG_CLZ_TAB) += clz_tab.o
183
184obj-$(CONFIG_DDR) += jedec_ddr_data.o
185
186obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
187obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
188
189obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
190
191obj-$(CONFIG_SG_SPLIT) += sg_split.o
192obj-$(CONFIG_SG_POOL) += sg_pool.o
193obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
194obj-$(CONFIG_IRQ_POLL) += irq_poll.o
195
196obj-$(CONFIG_STACKDEPOT) += stackdepot.o
197KASAN_SANITIZE_stackdepot.o := n
198KCOV_INSTRUMENT_stackdepot.o := n
199
200libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
201	       fdt_empty_tree.o
202$(foreach file, $(libfdt_files), \
203	$(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt))
204lib-$(CONFIG_LIBFDT) += $(libfdt_files)
205
206obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
207obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
208
209obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
210
211obj-$(CONFIG_ASN1) += asn1_decoder.o
212
213obj-$(CONFIG_FONT_SUPPORT) += fonts/
214
215obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o
216
217hostprogs-y	:= gen_crc32table
218clean-files	:= crc32table.h
219
220$(obj)/crc32.o: $(obj)/crc32table.h
221
222quiet_cmd_crc32 = GEN     $@
223      cmd_crc32 = $< > $@
224
225$(obj)/crc32table.h: $(obj)/gen_crc32table
226	$(call cmd,crc32)
227
228#
229# Build a fast OID lookip registry from include/linux/oid_registry.h
230#
231obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
232
233$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
234
235$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
236			    $(src)/build_OID_registry
237	$(call cmd,build_OID_registry)
238
239quiet_cmd_build_OID_registry = GEN     $@
240      cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
241
242clean-files	+= oid_registry_data.c
243
244obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
245obj-$(CONFIG_UBSAN) += ubsan.o
246
247UBSAN_SANITIZE_ubsan.o := n
248
249obj-$(CONFIG_SBITMAP) += sbitmap.o
250
251obj-$(CONFIG_PARMAN) += parman.o
252
253# GCC library routines
254obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
255obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o
256obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o
257obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o
258obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o
259obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o
260