[linux.git] / lib / Makefile

# SPDX-License-Identifier: GPL-2.0
#
# Makefile for some libs needed in the kernel.
#

ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)

# These files are disabled because they produce lots of non-interesting and/or
# flaky coverage that is not a function of syscall inputs. For example,
# rbtree can be global and individual rotations don't correlate with inputs.
KCOV_INSTRUMENT_string.o := n
KCOV_INSTRUMENT_rbtree.o := n
KCOV_INSTRUMENT_list_debug.o := n
KCOV_INSTRUMENT_debugobjects.o := n
KCOV_INSTRUMENT_dynamic_debug.o := n
KCOV_INSTRUMENT_fault-inject.o := n

# string.o implements standard library functions like memset/memcpy etc.
# Use -ffreestanding to ensure that the compiler does not try to "optimize"
# them into calls to themselves.
CFLAGS_string.o := -ffreestanding

# Early boot use of cmdline, don't instrument it
ifdef CONFIG_AMD_MEM_ENCRYPT
KASAN_SANITIZE_string.o := n

CFLAGS_string.o += -fno-stack-protector
endif

# Used by KCSAN while enabled, avoid recursion.
KCSAN_SANITIZE_random32.o := n

lib-y := ctype.o string.o vsprintf.o cmdline.o \
	 rbtree.o radix-tree.o timerqueue.o xarray.o \
	 idr.o extable.o sha1.o irq_regs.o argv_split.o \
	 flex_proportions.o ratelimit.o show_mem.o \
	 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
	 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
	 nmi_backtrace.o nodemask.o win_minmax.o memcat_p.o

lib-$(CONFIG_PRINTK) += dump_stack.o
lib-$(CONFIG_SMP) += cpumask.o

lib-y	+= kobject.o klist.o
obj-y	+= lockref.o

obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
	 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
	 list_sort.o uuid.o iov_iter.o clz_ctz.o \
	 bsearch.o find_bit.o llist.o memweight.o kfifo.o \
	 percpu-refcount.o rhashtable.o \
	 once.o refcount.o usercopy.o errseq.o bucket_locks.o \
	 generic-radix-tree.o
obj-$(CONFIG_STRING_SELFTEST) += test_string.o
obj-y += string_helpers.o
obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
obj-y += hexdump.o
obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
obj-y += kstrtox.o
obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o
obj-$(CONFIG_TEST_BPF) += test_bpf.o
obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
obj-$(CONFIG_TEST_BITOPS) += test_bitops.o
CFLAGS_test_bitops.o += -Werror
obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o
obj-$(CONFIG_TEST_IDA) += test_ida.o
obj-$(CONFIG_KASAN_KUNIT_TEST) += test_kasan.o
CFLAGS_test_kasan.o += -fno-builtin
CFLAGS_test_kasan.o += $(call cc-disable-warning, vla)
obj-$(CONFIG_TEST_KASAN_MODULE) += test_kasan_module.o
CFLAGS_test_kasan_module.o += -fno-builtin
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
UBSAN_SANITIZE_test_ubsan.o := y
obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o
obj-$(CONFIG_TEST_LKM) += test_module.o
obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o
obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o
obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
obj-$(CONFIG_TEST_SORT) += test_sort.o
obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
obj-$(CONFIG_TEST_PRINTF) += test_printf.o
obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
obj-$(CONFIG_TEST_STRSCPY) += test_strscpy.o
obj-$(CONFIG_TEST_UUID) += test_uuid.o
obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
obj-$(CONFIG_TEST_PARMAN) += test_parman.o
obj-$(CONFIG_TEST_KMOD) += test_kmod.o
obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o
obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o
CFLAGS_test_stackinit.o += $(call cc-disable-warning, switch-unreachable)
obj-$(CONFIG_TEST_STACKINIT) += test_stackinit.o
obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_blackhole_dev.o
obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
obj-$(CONFIG_TEST_HMM) += test_hmm.o
obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o

#
# CFLAGS for compiling floating point code inside the kernel. x86/Makefile turns
# off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS
# get appended last to CFLAGS and thus override those previous compiler options.
#
FPU_CFLAGS := -msse -msse2
ifdef CONFIG_CC_IS_GCC
# Stack alignment mismatch, proceed with caution.
# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
# (8B stack alignment).
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383
#
# The "-msse" in the first argument is there so that the
# -mpreferred-stack-boundary=3 build error:
#
#  -mpreferred-stack-boundary=3 is not between 4 and 12
#
# can be triggered. Otherwise gcc doesn't complain.
FPU_CFLAGS += -mhard-float
FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4)
endif

obj-$(CONFIG_TEST_FPU) += test_fpu.o
CFLAGS_test_fpu.o += $(FPU_CFLAGS)

obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/

obj-$(CONFIG_KUNIT) += kunit/

ifeq ($(CONFIG_DEBUG_KOBJECT),y)
CFLAGS_kobject.o += -DDEBUG
CFLAGS_kobject_uevent.o += -DDEBUG
endif

obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)

obj-y += math/ crypto/

obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o

lib-y += logic_pio.o

obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o

obj-$(CONFIG_BTREE) += btree.o
obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
obj-$(CONFIG_DEBUG_LIST) += list_debug.o
obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o

obj-$(CONFIG_BITREVERSE) += bitrev.o
obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o
obj-$(CONFIG_PACKING)	+= packing.o
obj-$(CONFIG_CRC_CCITT)	+= crc-ccitt.o
obj-$(CONFIG_CRC16)	+= crc16.o
obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
obj-$(CONFIG_CRC32)	+= crc32.o
obj-$(CONFIG_CRC64)     += crc64.o
obj-$(CONFIG_CRC32_SELFTEST)	+= crc32test.o
obj-$(CONFIG_CRC4)	+= crc4.o
obj-$(CONFIG_CRC7)	+= crc7.o
obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
obj-$(CONFIG_CRC8)	+= crc8.o
obj-$(CONFIG_XXHASH)	+= xxhash.o
obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o

obj-$(CONFIG_842_COMPRESS) += 842/
obj-$(CONFIG_842_DECOMPRESS) += 842/
obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc/
obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
obj-$(CONFIG_BCH) += bch.o
obj-$(CONFIG_LZO_COMPRESS) += lzo/
obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
obj-$(CONFIG_LZ4_COMPRESS) += lz4/
obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
obj-$(CONFIG_XZ_DEC) += xz/
obj-$(CONFIG_RAID6_PQ) += raid6/

lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
lib-$(CONFIG_DECOMPRESS_ZSTD) += decompress_unzstd.o

obj-$(CONFIG_TEXTSEARCH) += textsearch.o
obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
obj-$(CONFIG_SMP) += percpu_counter.o
obj-$(CONFIG_AUDIT_GENERIC) += audit.o
obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o

obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
obj-$(CONFIG_FAULT_INJECTION_USERCOPY) += fault-inject-usercopy.o
obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
	of-reconfig-notifier-error-inject.o
obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o

lib-$(CONFIG_GENERIC_BUG) += bug.o

obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o

obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_debug.o
obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o

obj-$(CONFIG_NLATTR) += nlattr.o

obj-$(CONFIG_LRU_CACHE) += lru_cache.o

obj-$(CONFIG_GENERIC_CSUM) += checksum.o

obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o

obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o

obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o

obj-$(CONFIG_DQL) += dynamic_queue_limits.o

obj-$(CONFIG_GLOB) += glob.o
obj-$(CONFIG_GLOB_SELFTEST) += globtest.o

obj-$(CONFIG_MPILIB) += mpi/
obj-$(CONFIG_DIMLIB) += dim/
obj-$(CONFIG_SIGNATURE) += digsig.o

lib-$(CONFIG_CLZ_TAB) += clz_tab.o

obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o

obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o

obj-$(CONFIG_SG_SPLIT) += sg_split.o
obj-$(CONFIG_SG_POOL) += sg_pool.o
obj-$(CONFIG_MEMREGION) += memregion.o
obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
obj-$(CONFIG_IRQ_POLL) += irq_poll.o

# stackdepot.c should not be instrumented or call instrumented functions.
# Prevent the compiler from calling builtins like memcmp() or bcmp() from this
# file.
CFLAGS_stackdepot.o += -fno-builtin
obj-$(CONFIG_STACKDEPOT) += stackdepot.o
KASAN_SANITIZE_stackdepot.o := n
KCOV_INSTRUMENT_stackdepot.o := n

libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
	       fdt_empty_tree.o fdt_addresses.o
$(foreach file, $(libfdt_files), \
	$(eval CFLAGS_$(file) = -I $(srctree)/scripts/dtc/libfdt))
lib-$(CONFIG_LIBFDT) += $(libfdt_files)

lib-$(CONFIG_BOOT_CONFIG) += bootconfig.o

obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o

obj-$(CONFIG_PERCPU_TEST) += percpu_test.o

obj-$(CONFIG_ASN1) += asn1_decoder.o

obj-$(CONFIG_FONT_SUPPORT) += fonts/

hostprogs	:= gen_crc32table
hostprogs	+= gen_crc64table
clean-files	:= crc32table.h
clean-files	+= crc64table.h

$(obj)/crc32.o: $(obj)/crc32table.h

quiet_cmd_crc32 = GEN     $@
      cmd_crc32 = $< > $@

$(obj)/crc32table.h: $(obj)/gen_crc32table
	$(call cmd,crc32)

$(obj)/crc64.o: $(obj)/crc64table.h

quiet_cmd_crc64 = GEN     $@
      cmd_crc64 = $< > $@

$(obj)/crc64table.h: $(obj)/gen_crc64table
	$(call cmd,crc64)

#
# Build a fast OID lookip registry from include/linux/oid_registry.h
#
obj-$(CONFIG_OID_REGISTRY) += oid_registry.o

$(obj)/oid_registry.o: $(obj)/oid_registry_data.c

$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
			    $(src)/build_OID_registry
	$(call cmd,build_OID_registry)

quiet_cmd_build_OID_registry = GEN     $@
      cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@

clean-files	+= oid_registry_data.c

obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
ifneq ($(CONFIG_UBSAN_TRAP),y)
obj-$(CONFIG_UBSAN) += ubsan.o
endif

UBSAN_SANITIZE_ubsan.o := n
KASAN_SANITIZE_ubsan.o := n
KCSAN_SANITIZE_ubsan.o := n
CFLAGS_ubsan.o := -fno-stack-protector $(DISABLE_STACKLEAK_PLUGIN)

obj-$(CONFIG_SBITMAP) += sbitmap.o

obj-$(CONFIG_PARMAN) += parman.o

# GCC library routines
obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o
obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o
obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o
obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o
obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o
obj-$(CONFIG_OBJAGG) += objagg.o

# pldmfw library
obj-$(CONFIG_PLDMFW) += pldmfw/

# KUnit tests
obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o
obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
obj-$(CONFIG_BITS_TEST) += test_bits.o
obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o

obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	#
	3	# Makefile for some libs needed in the kernel.
	4	#
	5
15d5761a	6	ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
2464a609	7
5c9a8750 DV	8	# These files are disabled because they produce lots of non-interesting and/or
	9	# flaky coverage that is not a function of syscall inputs. For example,
	10	# rbtree can be global and individual rotations don't correlate with inputs.
	11	KCOV_INSTRUMENT_string.o := n
	12	KCOV_INSTRUMENT_rbtree.o := n
	13	KCOV_INSTRUMENT_list_debug.o := n
	14	KCOV_INSTRUMENT_debugobjects.o := n
	15	KCOV_INSTRUMENT_dynamic_debug.o := n
43e76af8	16	KCOV_INSTRUMENT_fault-inject.o := n
5c9a8750	17
33d0f96f AS	18	# string.o implements standard library functions like memset/memcpy etc.
	19	# Use -ffreestanding to ensure that the compiler does not try to "optimize"
	20	# them into calls to themselves.
	21	CFLAGS_string.o := -ffreestanding
	22
b51ce374 GH	23	# Early boot use of cmdline, don't instrument it
	24	ifdef CONFIG_AMD_MEM_ENCRYPT
	25	KASAN_SANITIZE_string.o := n
	26
33d0f96f	27	CFLAGS_string.o += -fno-stack-protector
b51ce374 GH	28	endif
b51ce374 GH	29
dfd402a4 ME	30	# Used by KCSAN while enabled, avoid recursion.
	31	KCSAN_SANITIZE_random32.o := n
	32
7a5c5d57	33	lib-y := ctype.o string.o vsprintf.o cmdline.o \
f8d5d0cc	34	rbtree.o radix-tree.o timerqueue.o xarray.o \
5fb8ef25	35	idr.o extable.o sha1.o irq_regs.o argv_split.o \
d18d12d0	36	flex_proportions.o ratelimit.o show_mem.o \
18dd0bf2	37	is_single_threaded.o plist.o decompress.o kobject_uevent.o \
f2ae6794	38	earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
93048c09	39	nmi_backtrace.o nodemask.o win_minmax.o memcat_p.o
9a19fea4	40
e36df28f	41	lib-$(CONFIG_PRINTK) += dump_stack.o
ccb46000 AM	42	lib-$(CONFIG_SMP) += cpumask.o
ccb46000 AM	43
4af679cd	44	lib-y += kobject.o klist.o
2f4f12e5	45	obj-y += lockref.o
1da177e4	46
2c64e9cb	47	obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
64d1d77a	48	bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
2c64e9cb	49	list_sort.o uuid.o iov_iter.o clz_ctz.o \
840620a1	50	bsearch.o find_bit.o llist.o memweight.o kfifo.o \
2c64e9cb	51	percpu-refcount.o rhashtable.o \
ba20ba2e KO	52	once.o refcount.o usercopy.o errseq.o bucket_locks.o \
ba20ba2e KO	53	generic-radix-tree.o
d6b28e09	54	obj-$(CONFIG_STRING_SELFTEST) += test_string.o
16c7fa05 AS	55	obj-y += string_helpers.o
16c7fa05 AS	56	obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
64d1d77a	57	obj-y += hexdump.o
60b2e8f4	58	obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
33ee3b2e	59	obj-y += kstrtox.o
dceeb3e7	60	obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o
64a8946b	61	obj-$(CONFIG_TEST_BPF) += test_bpf.o
0a8adf58	62	obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
c348c163 JB	63	obj-$(CONFIG_TEST_BITOPS) += test_bitops.o
c348c163 JB	64	CFLAGS_test_bitops.o += -Werror
9308f2f9	65	obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
2c956a60	66	obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o
8ab8ba38	67	obj-$(CONFIG_TEST_IDA) += test_ida.o
73228c7e	68	obj-$(CONFIG_KASAN_KUNIT_TEST) += test_kasan.o
69ca372c	69	CFLAGS_test_kasan.o += -fno-builtin
0bb95f80	70	CFLAGS_test_kasan.o += $(call cc-disable-warning, vla)
73228c7e PA	71	obj-$(CONFIG_TEST_KASAN_MODULE) += test_kasan_module.o
73228c7e PA	72	CFLAGS_test_kasan_module.o += -fno-builtin
854686f4	73	obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
0bb95f80	74	CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
854686f4	75	UBSAN_SANITIZE_test_ubsan.o := y
3f15801c	76	obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
e327fd7c	77	obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
6e24628d	78	obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o
3f15801c	79	obj-$(CONFIG_TEST_LKM) += test_module.o
3f21a6b7	80	obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o
455a35a6	81	obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o
9d6dbe1b	82	obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
c5adae95	83	obj-$(CONFIG_TEST_SORT) += test_sort.o
3f15801c	84	obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
2bf9e0ab IM	85	obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
2bf9e0ab IM	86	obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
707cc728	87	obj-$(CONFIG_TEST_PRINTF) += test_printf.o
5fd003f5	88	obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
0b0600c8	89	obj-$(CONFIG_TEST_STRSCPY) += test_strscpy.o
cfaff0e5	90	obj-$(CONFIG_TEST_UUID) += test_uuid.o
ad3d6c72	91	obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
44091d29	92	obj-$(CONFIG_TEST_PARMAN) += test_parman.o
d9c6a72d	93	obj-$(CONFIG_TEST_KMOD) += test_kmod.o
e4dace36	94	obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
ce76d938	95	obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o
0a020d41	96	obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o
9cf016e6	97	CFLAGS_test_stackinit.o += $(call cc-disable-warning, switch-unreachable)
50ceaa95	98	obj-$(CONFIG_TEST_STACKINIT) += test_stackinit.o
509e56b3	99	obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_blackhole_dev.o
5015a300	100	obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
30428ef5	101	obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
b2ef9f5a	102	obj-$(CONFIG_TEST_HMM) += test_hmm.o
e320d301	103	obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o
1da177e4	104
4185b3b9 PA	105	#
	106	# CFLAGS for compiling floating point code inside the kernel. x86/Makefile turns
	107	# off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS
	108	# get appended last to CFLAGS and thus override those previous compiler options.
	109	#
84edc2ef	110	FPU_CFLAGS := -msse -msse2
4185b3b9 PA	111	ifdef CONFIG_CC_IS_GCC
	112	# Stack alignment mismatch, proceed with caution.
	113	# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
	114	# (8B stack alignment).
	115	# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383
	116	#
	117	# The "-msse" in the first argument is there so that the
	118	# -mpreferred-stack-boundary=3 build error:
	119	#
	120	# -mpreferred-stack-boundary=3 is not between 4 and 12
	121	#
	122	# can be triggered. Otherwise gcc doesn't complain.
84edc2ef	123	FPU_CFLAGS += -mhard-float
4185b3b9 PA	124	FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4)
	125	endif
	126
	127	obj-$(CONFIG_TEST_FPU) += test_fpu.o
	128	CFLAGS_test_fpu.o += $(FPU_CFLAGS)
	129
a2818ee4 JL	130	obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/
a2818ee4 JL	131
84bc809e BH	132	obj-$(CONFIG_KUNIT) += kunit/
84bc809e BH	133
1da177e4 LT	134	ifeq ($(CONFIG_DEBUG_KOBJECT),y)
	135	CFLAGS_kobject.o += -DDEBUG
	136	CFLAGS_kobject_uevent.o += -DDEBUG
	137	endif
	138
50ab9a69 RV	139	obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
	140	CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
	141
dc51f257	142	obj-y += math/ crypto/
2c64e9cb	143
5ea81769	144	obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
66eab4df	145	obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
928923c7 GU	146	obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
928923c7 GU	147	obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
cae2ed9a	148	obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
d61931d8	149
f361c863	150	lib-y += logic_pio.o
031e3601	151
702a28b1	152	obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
d61931d8	153
5db53f3e	154	obj-$(CONFIG_BTREE) += btree.o
a88cc108	155	obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
3cb98950	156	obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
39c715b7	157	obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
199a9afc	158	obj-$(CONFIG_DEBUG_LIST) += list_debug.o
3ac7fe5a	159	obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
1da177e4	160
a5cfc1ec	161	obj-$(CONFIG_BITREVERSE) += bitrev.o
d2218d4e	162	obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o
554aae35	163	obj-$(CONFIG_PACKING) += packing.o
1da177e4	164	obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
7657ec1f	165	obj-$(CONFIG_CRC16) += crc16.o
f11f594e	166	obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
3e7cbae7	167	obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
1da177e4	168	obj-$(CONFIG_CRC32) += crc32.o
feba04fd	169	obj-$(CONFIG_CRC64) += crc64.o
5fb7f874	170	obj-$(CONFIG_CRC32_SELFTEST) += crc32test.o
0cbaa448	171	obj-$(CONFIG_CRC4) += crc4.o
ad241528	172	obj-$(CONFIG_CRC7) += crc7.o
1da177e4	173	obj-$(CONFIG_LIBCRC32C) += libcrc32c.o
7150962d	174	obj-$(CONFIG_CRC8) += crc8.o
5d240522	175	obj-$(CONFIG_XXHASH) += xxhash.o
f14f75b8	176	obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
1da177e4	177
2da572c9 DS	178	obj-$(CONFIG_842_COMPRESS) += 842/
2da572c9 DS	179	obj-$(CONFIG_842_DECOMPRESS) += 842/
1da177e4 LT	180	obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
1da177e4 LT	181	obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
aa5b395b	182	obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc/
1da177e4	183	obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
437aa565	184	obj-$(CONFIG_BCH) += bch.o
64c70b1c RP	185	obj-$(CONFIG_LZO_COMPRESS) += lzo/
64c70b1c RP	186	obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
c72ac7a1 CM	187	obj-$(CONFIG_LZ4_COMPRESS) += lz4/
c72ac7a1 CM	188	obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
e76e1fdf	189	obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
73f3d1b4 NT	190	obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
73f3d1b4 NT	191	obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
24fa0402	192	obj-$(CONFIG_XZ_DEC) += xz/
f5e70d0f	193	obj-$(CONFIG_RAID6_PQ) += raid6/
1da177e4	194
889c92d2 PA	195	lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
	196	lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
	197	lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
3ebe1243	198	lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
cacb246f	199	lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
e76e1fdf	200	lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
4963bb2b	201	lib-$(CONFIG_DECOMPRESS_ZSTD) += decompress_unzstd.o
c8531ab3	202
65df877a	203	obj-$(CONFIG_TEXTSEARCH) += textsearch.o
df3fb93a	204	obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
8082e4ed	205	obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
6408f79c	206	obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
3cbc5640	207	obj-$(CONFIG_SMP) += percpu_counter.o
e65e1fc2	208	obj-$(CONFIG_AUDIT_GENERIC) += audit.o
4b588411	209	obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
2de4ff7b	210
0d3fdb15	211	obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
6ff1cb35	212	obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
2c739ced	213	obj-$(CONFIG_FAULT_INJECTION_USERCOPY) += fault-inject-usercopy.o
8d438288	214	obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
048b9c35	215	obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
02fff96a	216	obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
9579f5bd	217	obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
d526e85f BH	218	obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
d526e85f BH	219	of-reconfig-notifier-error-inject.o
540adea3	220	obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
6c654b5f	221
7664c5a1 JF	222	lib-$(CONFIG_GENERIC_BUG) += bug.o
7664c5a1 JF	223
bbc69863 RM	224	obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
bbc69863 RM	225
ceabef7d	226	obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_debug.o
57f5677e	227	obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o
346e15be	228
e9cc8bdd	229	obj-$(CONFIG_NLATTR) += nlattr.o
346e15be	230
b411b363 PR	231	obj-$(CONFIG_LRU_CACHE) += lru_cache.o
b411b363 PR	232
26a28fa4 AB	233	obj-$(CONFIG_GENERIC_CSUM) += checksum.o
26a28fa4 AB	234
09d4e0ed PM	235	obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
09d4e0ed PM	236
86a89380 LB	237	obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
86a89380 LB	238
c39649c3 BH	239	obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
c39649c3 BH	240
75957ba3 TH	241	obj-$(CONFIG_DQL) += dynamic_queue_limits.o
75957ba3 TH	242
b0125085	243	obj-$(CONFIG_GLOB) += glob.o
ba95b045	244	obj-$(CONFIG_GLOB_SELFTEST) += globtest.o
b0125085	245
d9c46b18	246	obj-$(CONFIG_MPILIB) += mpi/
4f75da36	247	obj-$(CONFIG_DIMLIB) += dim/
5e8898e9	248	obj-$(CONFIG_SIGNATURE) += digsig.o
d9c46b18	249
f5948701	250	lib-$(CONFIG_CLZ_TAB) += clz_tab.o
c6df4b17	251
2922585b	252	obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
a08c5356	253	obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
2922585b	254
4cd5773a AS	255	obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
4cd5773a AS	256
f8bcbe62	257	obj-$(CONFIG_SG_SPLIT) += sg_split.o
9b1d6c89	258	obj-$(CONFIG_SG_POOL) += sg_pool.o
33dd7075	259	obj-$(CONFIG_MEMREGION) += memregion.o
4ccf4bea	260	obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
511cbce2	261	obj-$(CONFIG_IRQ_POLL) += irq_poll.o
4ccf4bea	262
7b65942f AP	263	# stackdepot.c should not be instrumented or call instrumented functions.
	264	# Prevent the compiler from calling builtins like memcmp() or bcmp() from this
	265	# file.
	266	CFLAGS_stackdepot.o += -fno-builtin
cd11016e AP	267	obj-$(CONFIG_STACKDEPOT) += stackdepot.o
cd11016e AP	268	KASAN_SANITIZE_stackdepot.o := n
65deb8af	269	KCOV_INSTRUMENT_stackdepot.o := n
cd11016e	270
adaf5687	271	libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
c273a2bd	272	fdt_empty_tree.o fdt_addresses.o
ab253839	273	$(foreach file, $(libfdt_files), \
13d3bc71	274	$(eval CFLAGS_$(file) = -I $(srctree)/scripts/dtc/libfdt))
ab253839 DD	275	lib-$(CONFIG_LIBFDT) += $(libfdt_files)
ab253839 DD	276
26445f98	277	lib-$(CONFIG_BOOT_CONFIG) += bootconfig.o
76db5a27	278
910a742d	279	obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
fff3fd8a ML	280	obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
fff3fd8a ML	281
623fd807 GT	282	obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
623fd807 GT	283
42d5ec27 DH	284	obj-$(CONFIG_ASN1) += asn1_decoder.o
42d5ec27 DH	285
ee89bd6b GU	286	obj-$(CONFIG_FONT_SUPPORT) += fonts/
ee89bd6b GU	287
5f2fb52f MY	288	hostprogs := gen_crc32table
5f2fb52f MY	289	hostprogs += gen_crc64table
1da177e4	290	clean-files := crc32table.h
feba04fd	291	clean-files += crc64table.h
1da177e4 LT	292
	293	$(obj)/crc32.o: $(obj)/crc32table.h
	294
	295	quiet_cmd_crc32 = GEN $@
	296	cmd_crc32 = $< > $@
	297
	298	$(obj)/crc32table.h: $(obj)/gen_crc32table
	299	$(call cmd,crc32)
a77ad6ea	300
feba04fd CL	301	$(obj)/crc64.o: $(obj)/crc64table.h
	302
	303	quiet_cmd_crc64 = GEN $@
	304	cmd_crc64 = $< > $@
	305
	306	$(obj)/crc64table.h: $(obj)/gen_crc64table
	307	$(call cmd,crc64)
	308
a77ad6ea DH	309	#
	310	# Build a fast OID lookip registry from include/linux/oid_registry.h
	311	#
	312	obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
	313
527897cc	314	$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
a77ad6ea DH	315
	316	$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
	317	$(src)/build_OID_registry
	318	$(call cmd,build_OID_registry)
	319
	320	quiet_cmd_build_OID_registry = GEN $@
	321	cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
	322
	323	clean-files += oid_registry_data.c
0635eb8a MG	324
0635eb8a MG	325	obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
0887a7eb	326	ifneq ($(CONFIG_UBSAN_TRAP),y)
c6d30853	327	obj-$(CONFIG_UBSAN) += ubsan.o
0887a7eb	328	endif
c6d30853 AR	329
c6d30853 AR	330	UBSAN_SANITIZE_ubsan.o := n
af700eae	331	KASAN_SANITIZE_ubsan.o := n
d47715f5	332	KCSAN_SANITIZE_ubsan.o := n
893ab004	333	CFLAGS_ubsan.o := -fno-stack-protector $(DISABLE_STACKLEAK_PLUGIN)
88459642 OS	334
88459642 OS	335	obj-$(CONFIG_SBITMAP) += sbitmap.o
44091d29 JP	336
44091d29 JP	337	obj-$(CONFIG_PARMAN) += parman.o
b35cd988 PD	338
b35cd988 PD	339	# GCC library routines
e3d59805 MR	340	obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
	341	obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o
	342	obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o
	343	obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o
	344	obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o
	345	obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o
0a020d41	346	obj-$(CONFIG_OBJAGG) += objagg.o
ea2dd7c0	347
b8265621 JK	348	# pldmfw library
	349	obj-$(CONFIG_PLDMFW) += pldmfw/
	350
ea2dd7c0	351	# KUnit tests
d2585f51	352	obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o
ea2dd7c0	353	obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
33d599f0	354	obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
6d511020	355	obj-$(CONFIG_BITS_TEST) += test_bits.o
7546861a	356	obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o
527701ed PD	357
527701ed PD	358	obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o