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1#
2# Makefile for some libs needed in the kernel.
3#
4
5ifdef CONFIG_FUNCTION_TRACER
6ORIG_CFLAGS := $(KBUILD_CFLAGS)
7KBUILD_CFLAGS = $(subst -pg,,$(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# Kernel does not boot if we instrument this file as it uses custom calling
19# convention (see CONFIG_ARCH_HWEIGHT_CFLAGS).
20KCOV_INSTRUMENT_hweight.o := n
21
22lib-y := ctype.o string.o vsprintf.o cmdline.o \
23	 rbtree.o radix-tree.o dump_stack.o timerqueue.o\
24	 idr.o int_sqrt.o extable.o \
25	 sha1.o md5.o irq_regs.o argv_split.o \
26	 proportions.o flex_proportions.o ratelimit.o show_mem.o \
27	 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
28	 earlycpio.o
29
30obj-$(CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS) += usercopy.o
31lib-$(CONFIG_MMU) += ioremap.o
32lib-$(CONFIG_SMP) += cpumask.o
33
34lib-y	+= kobject.o klist.o
35obj-y	+= lockref.o
36
37obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
38	 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
39	 gcd.o lcm.o list_sort.o uuid.o flex_array.o iovec.o clz_ctz.o \
40	 bsearch.o find_last_bit.o find_next_bit.o llist.o memweight.o kfifo.o \
41	 percpu-refcount.o percpu_ida.o hash.o rhashtable.o reciprocal_div.o
42obj-y += string_helpers.o
43obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
44obj-y += kstrtox.o
45obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
46obj-$(CONFIG_TEST_LKM) += test_module.o
47obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
48obj-$(CONFIG_TEST_BPF) += test_bpf.o
49obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
50
51ifeq ($(CONFIG_DEBUG_KOBJECT),y)
52CFLAGS_kobject.o += -DDEBUG
53CFLAGS_kobject_uevent.o += -DDEBUG
54endif
55
56obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
57obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
58obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
59obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
60obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
61
62GCOV_PROFILE_hweight.o := n
63CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
64obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
65
66obj-$(CONFIG_BTREE) += btree.o
67obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
68obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
69obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
70obj-$(CONFIG_DEBUG_LIST) += list_debug.o
71obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
72
73ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
74  lib-y += dec_and_lock.o
75endif
76
77obj-$(CONFIG_BITREVERSE) += bitrev.o
78obj-$(CONFIG_RATIONAL)	+= rational.o
79obj-$(CONFIG_CRC_CCITT)	+= crc-ccitt.o
80obj-$(CONFIG_CRC16)	+= crc16.o
81obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
82obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
83obj-$(CONFIG_CRC32)	+= crc32.o
84obj-$(CONFIG_CRC7)	+= crc7.o
85obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
86obj-$(CONFIG_CRC8)	+= crc8.o
87obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
88
89obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
90obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
91obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
92obj-$(CONFIG_BCH) += bch.o
93obj-$(CONFIG_LZO_COMPRESS) += lzo/
94obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
95obj-$(CONFIG_LZ4_COMPRESS) += lz4/
96obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
97obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
98obj-$(CONFIG_XZ_DEC) += xz/
99obj-$(CONFIG_RAID6_PQ) += raid6/
100
101lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
102lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
103lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
104lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
105lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
106lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
107
108obj-$(CONFIG_TEXTSEARCH) += textsearch.o
109obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
110obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
111obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
112obj-$(CONFIG_SMP) += percpu_counter.o
113obj-$(CONFIG_AUDIT_GENERIC) += audit.o
114obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
115
116obj-$(CONFIG_SWIOTLB) += swiotlb.o
117obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
118obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
119obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
120obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
121obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
122obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
123obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
124	of-reconfig-notifier-error-inject.o
125
126lib-$(CONFIG_GENERIC_BUG) += bug.o
127
128obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
129
130obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
131
132obj-$(CONFIG_NLATTR) += nlattr.o
133
134obj-$(CONFIG_LRU_CACHE) += lru_cache.o
135
136obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
137
138obj-$(CONFIG_GENERIC_CSUM) += checksum.o
139
140obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
141
142obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
143
144obj-$(CONFIG_AVERAGE) += average.o
145
146obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
147
148obj-$(CONFIG_CORDIC) += cordic.o
149
150obj-$(CONFIG_DQL) += dynamic_queue_limits.o
151
152obj-$(CONFIG_GLOB) += glob.o
153
154obj-$(CONFIG_MPILIB) += mpi/
155obj-$(CONFIG_SIGNATURE) += digsig.o
156
157obj-$(CONFIG_CLZ_TAB) += clz_tab.o
158
159obj-$(CONFIG_DDR) += jedec_ddr_data.o
160
161obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
162obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
163
164obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
165
166obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
167
168libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
169	       fdt_empty_tree.o
170$(foreach file, $(libfdt_files), \
171	$(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt))
172lib-$(CONFIG_LIBFDT) += $(libfdt_files)
173
174obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
175obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
176
177obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
178
179obj-$(CONFIG_ASN1) += asn1_decoder.o
180
181obj-$(CONFIG_FONT_SUPPORT) += fonts/
182
183hostprogs-y	:= gen_crc32table
184clean-files	:= crc32table.h
185
186$(obj)/crc32.o: $(obj)/crc32table.h
187
188quiet_cmd_crc32 = GEN     $@
189      cmd_crc32 = $< > $@
190
191$(obj)/crc32table.h: $(obj)/gen_crc32table
192	$(call cmd,crc32)
193
194#
195# Build a fast OID lookip registry from include/linux/oid_registry.h
196#
197obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
198
199$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
200
201$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
202			    $(src)/build_OID_registry
203	$(call cmd,build_OID_registry)
204
205quiet_cmd_build_OID_registry = GEN     $@
206      cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
207
208clean-files	+= oid_registry_data.c
209
210obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
211