xref: /linux/lib/Makefile (revision 37744feebc086908fd89760650f458ab19071750) 
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
19KCOV_INSTRUMENT_fault-inject.o := n
20
21# Early boot use of cmdline, don't instrument it
22ifdef CONFIG_AMD_MEM_ENCRYPT
23KASAN_SANITIZE_string.o := n
24
25CFLAGS_string.o := $(call cc-option, -fno-stack-protector)
26endif
27
28lib-y := ctype.o string.o vsprintf.o cmdline.o \
29	 rbtree.o radix-tree.o timerqueue.o xarray.o \
30	 idr.o extable.o sha1.o irq_regs.o argv_split.o \
31	 flex_proportions.o ratelimit.o show_mem.o \
32	 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
33	 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
34	 nmi_backtrace.o nodemask.o win_minmax.o memcat_p.o
35
36lib-$(CONFIG_PRINTK) += dump_stack.o
37lib-$(CONFIG_MMU) += ioremap.o
38lib-$(CONFIG_SMP) += cpumask.o
39
40lib-y	+= kobject.o klist.o
41obj-y	+= lockref.o
42
43obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
44	 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
45	 list_sort.o uuid.o iov_iter.o clz_ctz.o \
46	 bsearch.o find_bit.o llist.o memweight.o kfifo.o \
47	 percpu-refcount.o rhashtable.o \
48	 once.o refcount.o usercopy.o errseq.o bucket_locks.o \
49	 generic-radix-tree.o
50obj-$(CONFIG_STRING_SELFTEST) += test_string.o
51obj-y += string_helpers.o
52obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
53obj-y += hexdump.o
54obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
55obj-y += kstrtox.o
56obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o
57obj-$(CONFIG_TEST_BPF) += test_bpf.o
58obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
59obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
60obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o
61obj-$(CONFIG_TEST_IDA) += test_ida.o
62obj-$(CONFIG_TEST_KASAN) += test_kasan.o
63CFLAGS_test_kasan.o += -fno-builtin
64CFLAGS_test_kasan.o += $(call cc-disable-warning, vla)
65obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
66CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
67UBSAN_SANITIZE_test_ubsan.o := y
68obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
69obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
70obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o
71obj-$(CONFIG_TEST_LKM) += test_module.o
72obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o
73obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o
74obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
75obj-$(CONFIG_TEST_SORT) += test_sort.o
76obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
77obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
78obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
79obj-$(CONFIG_TEST_PRINTF) += test_printf.o
80obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
81obj-$(CONFIG_TEST_STRSCPY) += test_strscpy.o
82obj-$(CONFIG_TEST_BITFIELD) += test_bitfield.o
83obj-$(CONFIG_TEST_UUID) += test_uuid.o
84obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
85obj-$(CONFIG_TEST_PARMAN) += test_parman.o
86obj-$(CONFIG_TEST_KMOD) += test_kmod.o
87obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
88obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o
89obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o
90CFLAGS_test_stackinit.o += $(call cc-disable-warning, switch-unreachable)
91obj-$(CONFIG_TEST_STACKINIT) += test_stackinit.o
92obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_blackhole_dev.o
93obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
94obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
95
96obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/
97
98obj-$(CONFIG_KUNIT) += kunit/
99
100ifeq ($(CONFIG_DEBUG_KOBJECT),y)
101CFLAGS_kobject.o += -DDEBUG
102CFLAGS_kobject_uevent.o += -DDEBUG
103endif
104
105obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
106CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
107
108obj-y += math/ crypto/
109
110obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
111obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
112obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
113obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
114obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
115
116lib-y += logic_pio.o
117
118obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
119
120obj-$(CONFIG_BTREE) += btree.o
121obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
122obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
123obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
124obj-$(CONFIG_DEBUG_LIST) += list_debug.o
125obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
126
127obj-$(CONFIG_BITREVERSE) += bitrev.o
128obj-$(CONFIG_PACKING)	+= packing.o
129obj-$(CONFIG_CRC_CCITT)	+= crc-ccitt.o
130obj-$(CONFIG_CRC16)	+= crc16.o
131obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
132obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
133obj-$(CONFIG_CRC32)	+= crc32.o
134obj-$(CONFIG_CRC64)     += crc64.o
135obj-$(CONFIG_CRC32_SELFTEST)	+= crc32test.o
136obj-$(CONFIG_CRC4)	+= crc4.o
137obj-$(CONFIG_CRC7)	+= crc7.o
138obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
139obj-$(CONFIG_CRC8)	+= crc8.o
140obj-$(CONFIG_XXHASH)	+= xxhash.o
141obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
142
143obj-$(CONFIG_842_COMPRESS) += 842/
144obj-$(CONFIG_842_DECOMPRESS) += 842/
145obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
146obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
147obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc/
148obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
149obj-$(CONFIG_BCH) += bch.o
150obj-$(CONFIG_LZO_COMPRESS) += lzo/
151obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
152obj-$(CONFIG_LZ4_COMPRESS) += lz4/
153obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
154obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
155obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
156obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
157obj-$(CONFIG_XZ_DEC) += xz/
158obj-$(CONFIG_RAID6_PQ) += raid6/
159
160lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
161lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
162lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
163lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
164lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
165lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
166
167obj-$(CONFIG_TEXTSEARCH) += textsearch.o
168obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
169obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
170obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
171obj-$(CONFIG_SMP) += percpu_counter.o
172obj-$(CONFIG_AUDIT_GENERIC) += audit.o
173obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
174
175obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
176obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
177obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
178obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
179obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
180obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
181obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
182	of-reconfig-notifier-error-inject.o
183obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
184
185lib-$(CONFIG_GENERIC_BUG) += bug.o
186
187obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
188
189obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
190obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o
191
192obj-$(CONFIG_NLATTR) += nlattr.o
193
194obj-$(CONFIG_LRU_CACHE) += lru_cache.o
195
196obj-$(CONFIG_GENERIC_CSUM) += checksum.o
197
198obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
199
200obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
201
202obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
203
204obj-$(CONFIG_DQL) += dynamic_queue_limits.o
205
206obj-$(CONFIG_GLOB) += glob.o
207obj-$(CONFIG_GLOB_SELFTEST) += globtest.o
208
209obj-$(CONFIG_MPILIB) += mpi/
210obj-$(CONFIG_DIMLIB) += dim/
211obj-$(CONFIG_SIGNATURE) += digsig.o
212
213lib-$(CONFIG_CLZ_TAB) += clz_tab.o
214
215obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
216obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
217
218obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
219
220obj-$(CONFIG_SG_SPLIT) += sg_split.o
221obj-$(CONFIG_SG_POOL) += sg_pool.o
222obj-$(CONFIG_MEMREGION) += memregion.o
223obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
224obj-$(CONFIG_IRQ_POLL) += irq_poll.o
225
226# stackdepot.c should not be instrumented or call instrumented functions.
227# Prevent the compiler from calling builtins like memcmp() or bcmp() from this
228# file.
229CFLAGS_stackdepot.o += -fno-builtin
230obj-$(CONFIG_STACKDEPOT) += stackdepot.o
231KASAN_SANITIZE_stackdepot.o := n
232KCOV_INSTRUMENT_stackdepot.o := n
233
234libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
235	       fdt_empty_tree.o fdt_addresses.o
236$(foreach file, $(libfdt_files), \
237	$(eval CFLAGS_$(file) = -I $(srctree)/scripts/dtc/libfdt))
238lib-$(CONFIG_LIBFDT) += $(libfdt_files)
239
240lib-$(CONFIG_BOOT_CONFIG) += bootconfig.o
241
242obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
243obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
244
245obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
246
247obj-$(CONFIG_ASN1) += asn1_decoder.o
248
249obj-$(CONFIG_FONT_SUPPORT) += fonts/
250
251hostprogs	:= gen_crc32table
252hostprogs	+= gen_crc64table
253clean-files	:= crc32table.h
254clean-files	+= crc64table.h
255
256$(obj)/crc32.o: $(obj)/crc32table.h
257
258quiet_cmd_crc32 = GEN     $@
259      cmd_crc32 = $< > $@
260
261$(obj)/crc32table.h: $(obj)/gen_crc32table
262	$(call cmd,crc32)
263
264$(obj)/crc64.o: $(obj)/crc64table.h
265
266quiet_cmd_crc64 = GEN     $@
267      cmd_crc64 = $< > $@
268
269$(obj)/crc64table.h: $(obj)/gen_crc64table
270	$(call cmd,crc64)
271
272#
273# Build a fast OID lookip registry from include/linux/oid_registry.h
274#
275obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
276
277$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
278
279$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
280			    $(src)/build_OID_registry
281	$(call cmd,build_OID_registry)
282
283quiet_cmd_build_OID_registry = GEN     $@
284      cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
285
286clean-files	+= oid_registry_data.c
287
288obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
289ifneq ($(CONFIG_UBSAN_TRAP),y)
290obj-$(CONFIG_UBSAN) += ubsan.o
291endif
292
293UBSAN_SANITIZE_ubsan.o := n
294KASAN_SANITIZE_ubsan.o := n
295CFLAGS_ubsan.o := $(call cc-option, -fno-stack-protector) $(DISABLE_STACKLEAK_PLUGIN)
296
297obj-$(CONFIG_SBITMAP) += sbitmap.o
298
299obj-$(CONFIG_PARMAN) += parman.o
300
301# GCC library routines
302obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
303obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o
304obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o
305obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o
306obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o
307obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o
308obj-$(CONFIG_OBJAGG) += objagg.o
309
310# KUnit tests
311obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
312