path: root/lib/Makefile (plain)
blob: 25ddd807b9b3bd5f5db8e3606345f45a148cb334

1	#
2	# Makefile for some libs needed in the kernel.
3	#
4
5	ifdef CONFIG_FUNCTION_TRACER
6	ORIG_CFLAGS := $(KBUILD_CFLAGS)
7	KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))
8	endif
9
10	# These files are disabled because they produce lots of non-interesting and/or
11	# flaky coverage that is not a function of syscall inputs. For example,
12	# rbtree can be global and individual rotations don't correlate with inputs.
13	KCOV_INSTRUMENT_string.o := n
14	KCOV_INSTRUMENT_rbtree.o := n
15	KCOV_INSTRUMENT_list_debug.o := n
16	KCOV_INSTRUMENT_debugobjects.o := n
17	KCOV_INSTRUMENT_dynamic_debug.o := n
18
19	lib-y := ctype.o string.o vsprintf.o cmdline.o \
20	rbtree.o radix-tree.o dump_stack.o timerqueue.o\
21	idr.o int_sqrt.o extable.o \
22	sha1.o chacha.o md5.o irq_regs.o argv_split.o \
23	flex_proportions.o ratelimit.o show_mem.o \
24	is_single_threaded.o plist.o decompress.o kobject_uevent.o \
25	earlycpio.o seq_buf.o siphash.o \
26	nmi_backtrace.o nodemask.o win_minmax.o
27
28	lib-$(CONFIG_MMU) += ioremap.o
29	lib-$(CONFIG_SMP) += cpumask.o
30	lib-$(CONFIG_HAS_DMA) += dma-noop.o
31
32	lib-y += kobject.o klist.o
33	obj-y += lockref.o
34
35	obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
36	bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
37	gcd.o lcm.o list_sort.o uuid.o flex_array.o iov_iter.o clz_ctz.o \
38	bsearch.o find_bit.o llist.o memweight.o kfifo.o \
39	percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o \
40	once.o
41	obj-y += string_helpers.o
42	obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
43	obj-y += hexdump.o
44	obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
45	obj-y += kstrtox.o
46	obj-$(CONFIG_TEST_BPF) += test_bpf.o
47	obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
48	obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o
49	obj-$(CONFIG_TEST_KASAN) += test_kasan.o
50	CFLAGS_test_kasan.o += -fno-builtin
51	obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
52	obj-$(CONFIG_TEST_LKM) += test_module.o
53	obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
54	obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
55	obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
56	obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
57	obj-$(CONFIG_TEST_PRINTF) += test_printf.o
58	obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
59	obj-$(CONFIG_TEST_UUID) += test_uuid.o
60
61	ifeq ($(CONFIG_DEBUG_KOBJECT),y)
62	CFLAGS_kobject.o += -DDEBUG
63	CFLAGS_kobject_uevent.o += -DDEBUG
64	endif
65
66	obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
67	CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
68
69	obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
70	obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
71	obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
72	obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
73	obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
74
75	obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
76
77	obj-$(CONFIG_BTREE) += btree.o
78	obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
79	obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
80	obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
81	obj-$(CONFIG_DEBUG_LIST) += list_debug.o
82	obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
83
84	ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
85	lib-y += dec_and_lock.o
86	endif
87
88	obj-$(CONFIG_BITREVERSE) += bitrev.o
89	obj-$(CONFIG_RATIONAL) += rational.o
90	obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
91	obj-$(CONFIG_CRC16) += crc16.o
92	obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
93	obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
94	obj-$(CONFIG_CRC32) += crc32.o
95	obj-$(CONFIG_CRC7) += crc7.o
96	obj-$(CONFIG_LIBCRC32C) += libcrc32c.o
97	obj-$(CONFIG_CRC8) += crc8.o
98	obj-$(CONFIG_XXHASH) += xxhash.o
99	obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
100
101	obj-$(CONFIG_842_COMPRESS) += 842/
102	obj-$(CONFIG_842_DECOMPRESS) += 842/
103	obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
104	obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
105	obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
106	obj-$(CONFIG_BCH) += bch.o
107	obj-$(CONFIG_LZO_COMPRESS) += lzo/
108	obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
109	obj-$(CONFIG_LZ4_COMPRESS) += lz4/
110	obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
111	obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
112	obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
113	obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
114	obj-$(CONFIG_XZ_DEC) += xz/
115	obj-$(CONFIG_RAID6_PQ) += raid6/
116
117	lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
118	lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
119	lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
120	lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
121	lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
122	lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
123
124	obj-$(CONFIG_TEXTSEARCH) += textsearch.o
125	obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
126	obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
127	obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
128	obj-$(CONFIG_SMP) += percpu_counter.o
129	obj-$(CONFIG_AUDIT_GENERIC) += audit.o
130	obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
131
132	obj-$(CONFIG_SWIOTLB) += swiotlb.o
133	obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o iommu-common.o
134	obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
135	obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
136	obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
137	obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
138	obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
139	obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
140	obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
141	of-reconfig-notifier-error-inject.o
142
143	lib-$(CONFIG_GENERIC_BUG) += bug.o
144
145	obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
146
147	obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
148
149	obj-$(CONFIG_NLATTR) += nlattr.o
150
151	obj-$(CONFIG_LRU_CACHE) += lru_cache.o
152
153	obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
154
155	obj-$(CONFIG_GENERIC_CSUM) += checksum.o
156
157	obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
158
159	obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
160
161	obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
162
163	obj-$(CONFIG_CORDIC) += cordic.o
164
165	obj-$(CONFIG_DQL) += dynamic_queue_limits.o
166
167	obj-$(CONFIG_GLOB) += glob.o
168
169	obj-$(CONFIG_MPILIB) += mpi/
170	obj-$(CONFIG_SIGNATURE) += digsig.o
171
172	lib-$(CONFIG_CLZ_TAB) += clz_tab.o
173
174	obj-$(CONFIG_DDR) += jedec_ddr_data.o
175
176	obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
177	obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
178
179	obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
180
181	obj-$(CONFIG_SG_SPLIT) += sg_split.o
182	obj-$(CONFIG_SG_POOL) += sg_pool.o
183	obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
184	obj-$(CONFIG_IRQ_POLL) += irq_poll.o
185
186	obj-$(CONFIG_STACKDEPOT) += stackdepot.o
187	KASAN_SANITIZE_stackdepot.o := n
188	KCOV_INSTRUMENT_stackdepot.o := n
189
190	libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
191	fdt_empty_tree.o
192	$(foreach file, $(libfdt_files), \
193	$(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt))
194	lib-$(CONFIG_LIBFDT) += $(libfdt_files)
195
196	obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
197	obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
198
199	obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
200
201	obj-$(CONFIG_ASN1) += asn1_decoder.o
202
203	obj-$(CONFIG_FONT_SUPPORT) += fonts/
204
205	hostprogs-y := gen_crc32table
206	clean-files := crc32table.h
207
208	$(obj)/crc32.o: $(obj)/crc32table.h
209
210	quiet_cmd_crc32 = GEN $@
211	cmd_crc32 = $< > $@
212
213	$(obj)/crc32table.h: $(obj)/gen_crc32table
214	$(call cmd,crc32)
215
216	#
217	# Build a fast OID lookip registry from include/linux/oid_registry.h
218	#
219	obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
220
221	$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
222
223	$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
224	$(src)/build_OID_registry
225	$(call cmd,build_OID_registry)
226
227	quiet_cmd_build_OID_registry = GEN $@
228	cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
229
230	clean-files += oid_registry_data.c
231
232	obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
233	obj-$(CONFIG_UBSAN) += ubsan.o
234
235	UBSAN_SANITIZE_ubsan.o := n
236
237	obj-$(CONFIG_SBITMAP) += sbitmap.o
238