xref: /linux/lib/Makefile (revision ab520be8cd5d56867fc95cfbc34b90880faf1f9d) 
1#
2# Makefile for some libs needed in the kernel.
3#
4
5ifdef CONFIG_FUNCTION_TRACER
6ORIG_CFLAGS := $(KBUILD_CFLAGS)
7KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))
8endif
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.
13KCOV_INSTRUMENT_string.o := n
14KCOV_INSTRUMENT_rbtree.o := n
15KCOV_INSTRUMENT_list_debug.o := n
16KCOV_INSTRUMENT_debugobjects.o := n
17KCOV_INSTRUMENT_dynamic_debug.o := n
18
19lib-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 chacha20.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 nmi_backtrace.o nodemask.o win_minmax.o
26
27lib-$(CONFIG_MMU) += ioremap.o
28lib-$(CONFIG_SMP) += cpumask.o
29lib-$(CONFIG_HAS_DMA) += dma-noop.o
30
31lib-y	+= kobject.o klist.o
32obj-y	+= lockref.o
33
34obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
35	 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
36	 gcd.o lcm.o list_sort.o uuid.o flex_array.o iov_iter.o clz_ctz.o \
37	 bsearch.o find_bit.o llist.o memweight.o kfifo.o \
38	 percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o \
39	 once.o
40obj-y += string_helpers.o
41obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
42obj-y += hexdump.o
43obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
44obj-y += kstrtox.o
45obj-$(CONFIG_TEST_BPF) += test_bpf.o
46obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
47obj-$(CONFIG_TEST_HASH) += test_hash.o
48obj-$(CONFIG_TEST_KASAN) += test_kasan.o
49obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
50obj-$(CONFIG_TEST_LKM) += test_module.o
51obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
52obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
53obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
54obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
55obj-$(CONFIG_TEST_PRINTF) += test_printf.o
56obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
57obj-$(CONFIG_TEST_UUID) += test_uuid.o
58
59ifeq ($(CONFIG_DEBUG_KOBJECT),y)
60CFLAGS_kobject.o += -DDEBUG
61CFLAGS_kobject_uevent.o += -DDEBUG
62endif
63
64obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
65CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
66
67obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
68obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
69obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
70obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
71obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
72
73obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
74
75obj-$(CONFIG_BTREE) += btree.o
76obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
77obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
78obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
79obj-$(CONFIG_DEBUG_LIST) += list_debug.o
80obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
81
82ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
83  lib-y += dec_and_lock.o
84endif
85
86obj-$(CONFIG_BITREVERSE) += bitrev.o
87obj-$(CONFIG_RATIONAL)	+= rational.o
88obj-$(CONFIG_CRC_CCITT)	+= crc-ccitt.o
89obj-$(CONFIG_CRC16)	+= crc16.o
90obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
91obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
92obj-$(CONFIG_CRC32)	+= crc32.o
93obj-$(CONFIG_CRC7)	+= crc7.o
94obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
95obj-$(CONFIG_CRC8)	+= crc8.o
96obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
97
98obj-$(CONFIG_842_COMPRESS) += 842/
99obj-$(CONFIG_842_DECOMPRESS) += 842/
100obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
101obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
102obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
103obj-$(CONFIG_BCH) += bch.o
104obj-$(CONFIG_LZO_COMPRESS) += lzo/
105obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
106obj-$(CONFIG_LZ4_COMPRESS) += lz4/
107obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
108obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
109obj-$(CONFIG_XZ_DEC) += xz/
110obj-$(CONFIG_RAID6_PQ) += raid6/
111
112lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
113lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
114lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
115lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
116lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
117lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
118
119obj-$(CONFIG_TEXTSEARCH) += textsearch.o
120obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
121obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
122obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
123obj-$(CONFIG_SMP) += percpu_counter.o
124obj-$(CONFIG_AUDIT_GENERIC) += audit.o
125obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
126
127obj-$(CONFIG_SWIOTLB) += swiotlb.o
128obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o iommu-common.o
129obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
130obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
131obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
132obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
133obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
134obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
135	of-reconfig-notifier-error-inject.o
136
137lib-$(CONFIG_GENERIC_BUG) += bug.o
138
139obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
140
141obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
142
143obj-$(CONFIG_NLATTR) += nlattr.o
144
145obj-$(CONFIG_LRU_CACHE) += lru_cache.o
146
147obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
148
149obj-$(CONFIG_GENERIC_CSUM) += checksum.o
150
151obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
152
153obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
154
155obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
156
157obj-$(CONFIG_CORDIC) += cordic.o
158
159obj-$(CONFIG_DQL) += dynamic_queue_limits.o
160
161obj-$(CONFIG_GLOB) += glob.o
162
163obj-$(CONFIG_MPILIB) += mpi/
164obj-$(CONFIG_SIGNATURE) += digsig.o
165
166lib-$(CONFIG_CLZ_TAB) += clz_tab.o
167
168obj-$(CONFIG_DDR) += jedec_ddr_data.o
169
170obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
171obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
172
173obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
174
175obj-$(CONFIG_SG_SPLIT) += sg_split.o
176obj-$(CONFIG_SG_POOL) += sg_pool.o
177obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
178obj-$(CONFIG_IRQ_POLL) += irq_poll.o
179
180obj-$(CONFIG_STACKDEPOT) += stackdepot.o
181KASAN_SANITIZE_stackdepot.o := n
182KCOV_INSTRUMENT_stackdepot.o := n
183
184libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
185	       fdt_empty_tree.o
186$(foreach file, $(libfdt_files), \
187	$(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt))
188lib-$(CONFIG_LIBFDT) += $(libfdt_files)
189
190obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
191obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
192
193obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
194
195obj-$(CONFIG_ASN1) += asn1_decoder.o
196
197obj-$(CONFIG_FONT_SUPPORT) += fonts/
198
199hostprogs-y	:= gen_crc32table
200clean-files	:= crc32table.h
201
202$(obj)/crc32.o: $(obj)/crc32table.h
203
204quiet_cmd_crc32 = GEN     $@
205      cmd_crc32 = $< > $@
206
207$(obj)/crc32table.h: $(obj)/gen_crc32table
208	$(call cmd,crc32)
209
210#
211# Build a fast OID lookip registry from include/linux/oid_registry.h
212#
213obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
214
215$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
216
217$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
218			    $(src)/build_OID_registry
219	$(call cmd,build_OID_registry)
220
221quiet_cmd_build_OID_registry = GEN     $@
222      cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
223
224clean-files	+= oid_registry_data.c
225
226obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
227obj-$(CONFIG_UBSAN) += ubsan.o
228
229UBSAN_SANITIZE_ubsan.o := n
230
231obj-$(CONFIG_SBITMAP) += sbitmap.o
232