1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # Makefile for some libs needed in the kernel. 3 # Makefile for some libs needed in the kernel.
4 # 4 #
5 5
6 ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $( 6 ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
7 7
8 # These files are disabled because they produc 8 # These files are disabled because they produce lots of non-interesting and/or
9 # flaky coverage that is not a function of sys 9 # flaky coverage that is not a function of syscall inputs. For example,
10 # rbtree can be global and individual rotation 10 # rbtree can be global and individual rotations don't correlate with inputs.
11 KCOV_INSTRUMENT_string.o := n 11 KCOV_INSTRUMENT_string.o := n
12 KCOV_INSTRUMENT_rbtree.o := n 12 KCOV_INSTRUMENT_rbtree.o := n
13 KCOV_INSTRUMENT_list_debug.o := n 13 KCOV_INSTRUMENT_list_debug.o := n
14 KCOV_INSTRUMENT_debugobjects.o := n 14 KCOV_INSTRUMENT_debugobjects.o := n
15 KCOV_INSTRUMENT_dynamic_debug.o := n 15 KCOV_INSTRUMENT_dynamic_debug.o := n
16 KCOV_INSTRUMENT_fault-inject.o := n 16 KCOV_INSTRUMENT_fault-inject.o := n
17 KCOV_INSTRUMENT_find_bit.o := n <<
18 17
19 # string.o implements standard library functio 18 # string.o implements standard library functions like memset/memcpy etc.
20 # Use -ffreestanding to ensure that the compil 19 # Use -ffreestanding to ensure that the compiler does not try to "optimize"
21 # them into calls to themselves. 20 # them into calls to themselves.
22 CFLAGS_string.o := -ffreestanding 21 CFLAGS_string.o := -ffreestanding
23 22
24 # Early boot use of cmdline, don't instrument 23 # Early boot use of cmdline, don't instrument it
25 ifdef CONFIG_AMD_MEM_ENCRYPT 24 ifdef CONFIG_AMD_MEM_ENCRYPT
26 KASAN_SANITIZE_string.o := n 25 KASAN_SANITIZE_string.o := n
27 26
28 CFLAGS_string.o += -fno-stack-protector 27 CFLAGS_string.o += -fno-stack-protector
29 endif 28 endif
30 29
31 lib-y := ctype.o string.o vsprintf.o cmdline.o 30 lib-y := ctype.o string.o vsprintf.o cmdline.o \
32 rbtree.o radix-tree.o timerqueue.o xa 31 rbtree.o radix-tree.o timerqueue.o xarray.o \
33 maple_tree.o idr.o extable.o irq_regs 32 maple_tree.o idr.o extable.o irq_regs.o argv_split.o \
34 flex_proportions.o ratelimit.o \ 33 flex_proportions.o ratelimit.o \
35 is_single_threaded.o plist.o decompre 34 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
36 earlycpio.o seq_buf.o siphash.o dec_a 35 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
37 nmi_backtrace.o win_minmax.o memcat_p 36 nmi_backtrace.o win_minmax.o memcat_p.o \
38 buildid.o objpool.o union_find.o !! 37 buildid.o objpool.o
39 38
40 lib-$(CONFIG_PRINTK) += dump_stack.o 39 lib-$(CONFIG_PRINTK) += dump_stack.o
41 lib-$(CONFIG_SMP) += cpumask.o 40 lib-$(CONFIG_SMP) += cpumask.o
42 41
43 lib-y += kobject.o klist.o 42 lib-y += kobject.o klist.o
44 obj-y += lockref.o 43 obj-y += lockref.o
45 44
46 obj-y += bcd.o sort.o parser.o debug_locks.o r 45 obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
47 bust_spinlocks.o kasprintf.o bitmap.o 46 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
48 list_sort.o uuid.o iov_iter.o clz_ctz 47 list_sort.o uuid.o iov_iter.o clz_ctz.o \
49 bsearch.o find_bit.o llist.o lwq.o me 48 bsearch.o find_bit.o llist.o lwq.o memweight.o kfifo.o \
50 percpu-refcount.o rhashtable.o base64 49 percpu-refcount.o rhashtable.o base64.o \
51 once.o refcount.o rcuref.o usercopy.o 50 once.o refcount.o rcuref.o usercopy.o errseq.o bucket_locks.o \
52 generic-radix-tree.o bitmap-str.o 51 generic-radix-tree.o bitmap-str.o
53 obj-$(CONFIG_STRING_KUNIT_TEST) += string_kuni !! 52 obj-$(CONFIG_STRING_SELFTEST) += test_string.o
54 obj-y += string_helpers.o 53 obj-y += string_helpers.o
55 obj-$(CONFIG_STRING_HELPERS_KUNIT_TEST) += str !! 54 obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
56 obj-y += hexdump.o 55 obj-y += hexdump.o
57 obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o 56 obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
58 obj-y += kstrtox.o 57 obj-y += kstrtox.o
59 obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_b 58 obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o
60 obj-$(CONFIG_TEST_BPF) += test_bpf.o 59 obj-$(CONFIG_TEST_BPF) += test_bpf.o
61 test_dhry-objs := dhry_1.o dhry_2.o dhry_run.o 60 test_dhry-objs := dhry_1.o dhry_2.o dhry_run.o
62 obj-$(CONFIG_TEST_DHRY) += test_dhry.o 61 obj-$(CONFIG_TEST_DHRY) += test_dhry.o
63 obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o 62 obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
64 obj-$(CONFIG_TEST_BITOPS) += test_bitops.o 63 obj-$(CONFIG_TEST_BITOPS) += test_bitops.o
65 CFLAGS_test_bitops.o += -Werror 64 CFLAGS_test_bitops.o += -Werror
66 obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_ku 65 obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_kunit.o
67 obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o 66 obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
68 obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter. 67 obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter.o
69 obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o 68 obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o
70 obj-$(CONFIG_TEST_IDA) += test_ida.o 69 obj-$(CONFIG_TEST_IDA) += test_ida.o
71 obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o 70 obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
72 CFLAGS_test_ubsan.o += $(call cc-disable-warni 71 CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
73 CFLAGS_test_ubsan.o += $(call cc-disable-warni <<
74 UBSAN_SANITIZE_test_ubsan.o := y 72 UBSAN_SANITIZE_test_ubsan.o := y
75 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o 73 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
76 obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort 74 obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
77 obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o 75 obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o
78 obj-$(CONFIG_TEST_LKM) += test_module.o 76 obj-$(CONFIG_TEST_LKM) += test_module.o
79 obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o 77 obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o
80 obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtab 78 obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
81 obj-$(CONFIG_TEST_SORT) += test_sort.o 79 obj-$(CONFIG_TEST_SORT) += test_sort.o
>> 80 obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o
82 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_ 81 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
83 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_ 82 obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
84 obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynam 83 obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o
85 obj-$(CONFIG_TEST_PRINTF) += test_printf.o 84 obj-$(CONFIG_TEST_PRINTF) += test_printf.o
86 obj-$(CONFIG_TEST_SCANF) += test_scanf.o 85 obj-$(CONFIG_TEST_SCANF) += test_scanf.o
87 86
88 obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o 87 obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
89 ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy) 88 ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy)
90 # FIXME: Clang breaks test_bitmap_const_eval w 89 # FIXME: Clang breaks test_bitmap_const_eval when KASAN and GCOV are enabled
91 GCOV_PROFILE_test_bitmap.o := n 90 GCOV_PROFILE_test_bitmap.o := n
92 endif 91 endif
93 92
94 obj-$(CONFIG_TEST_UUID) += test_uuid.o 93 obj-$(CONFIG_TEST_UUID) += test_uuid.o
95 obj-$(CONFIG_TEST_XARRAY) += test_xarray.o 94 obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
96 obj-$(CONFIG_TEST_MAPLE_TREE) += test_maple_tr 95 obj-$(CONFIG_TEST_MAPLE_TREE) += test_maple_tree.o
97 obj-$(CONFIG_TEST_PARMAN) += test_parman.o 96 obj-$(CONFIG_TEST_PARMAN) += test_parman.o
98 obj-$(CONFIG_TEST_KMOD) += test_kmod.o 97 obj-$(CONFIG_TEST_KMOD) += test_kmod.o
99 obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug 98 obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
100 obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o 99 obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o
101 obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o 100 obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o
102 obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_black 101 obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_blackhole_dev.o
103 obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o 102 obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
104 obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o 103 obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
105 obj-$(CONFIG_TEST_HMM) += test_hmm.o 104 obj-$(CONFIG_TEST_HMM) += test_hmm.o
106 obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pag 105 obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o
107 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kpro 106 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
108 obj-$(CONFIG_TEST_REF_TRACKER) += test_ref_tra 107 obj-$(CONFIG_TEST_REF_TRACKER) += test_ref_tracker.o
109 CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE) 108 CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE)
110 obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprob 109 obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o
111 obj-$(CONFIG_TEST_OBJPOOL) += test_objpool.o 110 obj-$(CONFIG_TEST_OBJPOOL) += test_objpool.o
112 111
>> 112 #
>> 113 # CFLAGS for compiling floating point code inside the kernel. x86/Makefile turns
>> 114 # off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS
>> 115 # get appended last to CFLAGS and thus override those previous compiler options.
>> 116 #
>> 117 FPU_CFLAGS := -msse -msse2
>> 118 ifdef CONFIG_CC_IS_GCC
>> 119 # Stack alignment mismatch, proceed with caution.
>> 120 # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
>> 121 # (8B stack alignment).
>> 122 # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383
>> 123 #
>> 124 # The "-msse" in the first argument is there so that the
>> 125 # -mpreferred-stack-boundary=3 build error:
>> 126 #
>> 127 # -mpreferred-stack-boundary=3 is not between 4 and 12
>> 128 #
>> 129 # can be triggered. Otherwise gcc doesn't complain.
>> 130 FPU_CFLAGS += -mhard-float
>> 131 FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4)
>> 132 endif
>> 133
113 obj-$(CONFIG_TEST_FPU) += test_fpu.o 134 obj-$(CONFIG_TEST_FPU) += test_fpu.o
114 test_fpu-y := test_fpu_glue.o test_fpu_impl.o !! 135 CFLAGS_test_fpu.o += $(FPU_CFLAGS)
115 CFLAGS_test_fpu_impl.o += $(CC_FLAGS_FPU) !! 136
116 CFLAGS_REMOVE_test_fpu_impl.o += $(CC_FLAGS_NO !! 137 obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/
117 138
118 # Some KUnit files (hooks.o) need to be built- 139 # Some KUnit files (hooks.o) need to be built-in even when KUnit is a module,
119 # so we can't just use obj-$(CONFIG_KUNIT). 140 # so we can't just use obj-$(CONFIG_KUNIT).
120 ifdef CONFIG_KUNIT 141 ifdef CONFIG_KUNIT
121 obj-y += kunit/ 142 obj-y += kunit/
122 endif 143 endif
123 144
124 ifeq ($(CONFIG_DEBUG_KOBJECT),y) 145 ifeq ($(CONFIG_DEBUG_KOBJECT),y)
125 CFLAGS_kobject.o += -DDEBUG 146 CFLAGS_kobject.o += -DDEBUG
126 CFLAGS_kobject_uevent.o += -DDEBUG 147 CFLAGS_kobject_uevent.o += -DDEBUG
127 endif 148 endif
128 149
129 obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info 150 obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
130 CFLAGS_debug_info.o += $(call cc-option, -femi 151 CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
131 152
132 obj-y += math/ crypto/ 153 obj-y += math/ crypto/
133 154
134 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o 155 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
>> 156 obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
135 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres 157 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
136 obj-$(CONFIG_CHECK_SIGNATURE) += check_signatu 158 obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
137 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += l 159 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
138 160
139 lib-y += logic_pio.o 161 lib-y += logic_pio.o
140 162
141 lib-$(CONFIG_INDIRECT_IOMEM) += logic_iomem.o 163 lib-$(CONFIG_INDIRECT_IOMEM) += logic_iomem.o
142 164
143 obj-$(CONFIG_TRACE_MMIO_ACCESS) += trace_readw 165 obj-$(CONFIG_TRACE_MMIO_ACCESS) += trace_readwrite.o
144 166
145 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o 167 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
146 168
147 obj-$(CONFIG_BTREE) += btree.o 169 obj-$(CONFIG_BTREE) += btree.o
148 obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o 170 obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
149 obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array 171 obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
150 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_i 172 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
151 obj-$(CONFIG_LIST_HARDENED) += list_debug.o 173 obj-$(CONFIG_LIST_HARDENED) += list_debug.o
152 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o 174 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
153 175
154 obj-$(CONFIG_BITREVERSE) += bitrev.o 176 obj-$(CONFIG_BITREVERSE) += bitrev.o
155 obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o 177 obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o
156 obj-$(CONFIG_PACKING) += packing.o 178 obj-$(CONFIG_PACKING) += packing.o
157 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o 179 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
158 obj-$(CONFIG_CRC16) += crc16.o 180 obj-$(CONFIG_CRC16) += crc16.o
159 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o 181 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
160 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o 182 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
161 obj-$(CONFIG_CRC32) += crc32.o 183 obj-$(CONFIG_CRC32) += crc32.o
162 obj-$(CONFIG_CRC64) += crc64.o 184 obj-$(CONFIG_CRC64) += crc64.o
163 obj-$(CONFIG_CRC32_SELFTEST) += crc32test.o 185 obj-$(CONFIG_CRC32_SELFTEST) += crc32test.o
164 obj-$(CONFIG_CRC4) += crc4.o 186 obj-$(CONFIG_CRC4) += crc4.o
165 obj-$(CONFIG_CRC7) += crc7.o 187 obj-$(CONFIG_CRC7) += crc7.o
166 obj-$(CONFIG_LIBCRC32C) += libcrc32c.o 188 obj-$(CONFIG_LIBCRC32C) += libcrc32c.o
167 obj-$(CONFIG_CRC8) += crc8.o 189 obj-$(CONFIG_CRC8) += crc8.o
168 obj-$(CONFIG_CRC64_ROCKSOFT) += crc64-rocksoft 190 obj-$(CONFIG_CRC64_ROCKSOFT) += crc64-rocksoft.o
169 obj-$(CONFIG_XXHASH) += xxhash.o 191 obj-$(CONFIG_XXHASH) += xxhash.o
170 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o 192 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
171 193
172 obj-$(CONFIG_842_COMPRESS) += 842/ 194 obj-$(CONFIG_842_COMPRESS) += 842/
173 obj-$(CONFIG_842_DECOMPRESS) += 842/ 195 obj-$(CONFIG_842_DECOMPRESS) += 842/
174 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/ 196 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
175 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/ 197 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
176 obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc/ 198 obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc/
177 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/ 199 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
178 obj-$(CONFIG_BCH) += bch.o 200 obj-$(CONFIG_BCH) += bch.o
179 obj-$(CONFIG_LZO_COMPRESS) += lzo/ 201 obj-$(CONFIG_LZO_COMPRESS) += lzo/
180 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ 202 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
181 obj-$(CONFIG_LZ4_COMPRESS) += lz4/ 203 obj-$(CONFIG_LZ4_COMPRESS) += lz4/
182 obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/ 204 obj-$(CONFIG_LZ4HC_COMPRESS) += lz4/
183 obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/ 205 obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
184 obj-$(CONFIG_ZSTD_COMPRESS) += zstd/ 206 obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
185 obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/ 207 obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
186 obj-$(CONFIG_XZ_DEC) += xz/ 208 obj-$(CONFIG_XZ_DEC) += xz/
187 obj-$(CONFIG_RAID6_PQ) += raid6/ 209 obj-$(CONFIG_RAID6_PQ) += raid6/
188 210
189 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_in 211 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
190 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_b 212 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
191 lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_un 213 lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
192 lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz 214 lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
193 lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unl 215 lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
194 lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unl 216 lib-$(CONFIG_DECOMPRESS_LZ4) += decompress_unlz4.o
195 lib-$(CONFIG_DECOMPRESS_ZSTD) += decompress_un 217 lib-$(CONFIG_DECOMPRESS_ZSTD) += decompress_unzstd.o
196 218
197 obj-$(CONFIG_TEXTSEARCH) += textsearch.o 219 obj-$(CONFIG_TEXTSEARCH) += textsearch.o
198 obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o 220 obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
199 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o 221 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
200 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o 222 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
201 obj-$(CONFIG_SMP) += percpu_counter.o 223 obj-$(CONFIG_SMP) += percpu_counter.o
202 obj-$(CONFIG_AUDIT_GENERIC) += audit.o 224 obj-$(CONFIG_AUDIT_GENERIC) += audit.o
203 obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_a 225 obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
204 226
205 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o 227 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
206 obj-$(CONFIG_FAULT_INJECTION) += fault-inject. 228 obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
207 obj-$(CONFIG_FAULT_INJECTION_USERCOPY) += faul 229 obj-$(CONFIG_FAULT_INJECTION_USERCOPY) += fault-inject-usercopy.o
208 obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += noti 230 obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
209 obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-n 231 obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
210 obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += 232 obj-$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT) += netdev-notifier-error-inject.o
211 obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += 233 obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
212 obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT 234 obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
213 of-reconfig-notifier-error-inject.o 235 of-reconfig-notifier-error-inject.o
214 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += erro 236 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
215 237
216 obj-$(CONFIG_CODE_TAGGING) += codetag.o <<
217 obj-$(CONFIG_MEM_ALLOC_PROFILING) += alloc_tag <<
218 <<
219 lib-$(CONFIG_GENERIC_BUG) += bug.o 238 lib-$(CONFIG_GENERIC_BUG) += bug.o
220 239
221 obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o 240 obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
222 obj-$(CONFIG_ARCH_NEED_CMPXCHG_1_EMU) += cmpxc <<
223 241
224 obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_de 242 obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_debug.o
225 #ensure exported functions have prototypes 243 #ensure exported functions have prototypes
226 CFLAGS_dynamic_debug.o := -DDYNAMIC_DEBUG_MODU 244 CFLAGS_dynamic_debug.o := -DDYNAMIC_DEBUG_MODULE
227 245
228 obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o 246 obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o
229 247
230 obj-$(CONFIG_NLATTR) += nlattr.o 248 obj-$(CONFIG_NLATTR) += nlattr.o
231 249
232 obj-$(CONFIG_LRU_CACHE) += lru_cache.o 250 obj-$(CONFIG_LRU_CACHE) += lru_cache.o
233 251
234 obj-$(CONFIG_GENERIC_CSUM) += checksum.o 252 obj-$(CONFIG_GENERIC_CSUM) += checksum.o
235 253
236 obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o 254 obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
237 255
238 obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_te 256 obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
239 257
240 obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o 258 obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
241 259
242 obj-$(CONFIG_CLOSURES) += closure.o 260 obj-$(CONFIG_CLOSURES) += closure.o
243 261
244 obj-$(CONFIG_DQL) += dynamic_queue_limits.o 262 obj-$(CONFIG_DQL) += dynamic_queue_limits.o
245 263
246 obj-$(CONFIG_GLOB) += glob.o 264 obj-$(CONFIG_GLOB) += glob.o
247 obj-$(CONFIG_GLOB_SELFTEST) += globtest.o 265 obj-$(CONFIG_GLOB_SELFTEST) += globtest.o
248 266
249 obj-$(CONFIG_DIMLIB) += dim/ 267 obj-$(CONFIG_DIMLIB) += dim/
250 obj-$(CONFIG_SIGNATURE) += digsig.o 268 obj-$(CONFIG_SIGNATURE) += digsig.o
251 269
252 lib-$(CONFIG_CLZ_TAB) += clz_tab.o 270 lib-$(CONFIG_CLZ_TAB) += clz_tab.o
253 271
254 obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += str 272 obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o
255 obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_ 273 obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o
256 274
257 obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o 275 obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
258 276
259 obj-$(CONFIG_SG_SPLIT) += sg_split.o 277 obj-$(CONFIG_SG_SPLIT) += sg_split.o
260 obj-$(CONFIG_SG_POOL) += sg_pool.o 278 obj-$(CONFIG_SG_POOL) += sg_pool.o
261 obj-$(CONFIG_MEMREGION) += memregion.o 279 obj-$(CONFIG_MEMREGION) += memregion.o
262 obj-$(CONFIG_STMP_DEVICE) += stmp_device.o 280 obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
263 obj-$(CONFIG_IRQ_POLL) += irq_poll.o 281 obj-$(CONFIG_IRQ_POLL) += irq_poll.o
264 282
265 obj-$(CONFIG_POLYNOMIAL) += polynomial.o 283 obj-$(CONFIG_POLYNOMIAL) += polynomial.o
266 284
267 # stackdepot.c should not be instrumented or c 285 # stackdepot.c should not be instrumented or call instrumented functions.
268 # Prevent the compiler from calling builtins l 286 # Prevent the compiler from calling builtins like memcmp() or bcmp() from this
269 # file. 287 # file.
270 CFLAGS_stackdepot.o += -fno-builtin 288 CFLAGS_stackdepot.o += -fno-builtin
271 obj-$(CONFIG_STACKDEPOT) += stackdepot.o 289 obj-$(CONFIG_STACKDEPOT) += stackdepot.o
272 KASAN_SANITIZE_stackdepot.o := n 290 KASAN_SANITIZE_stackdepot.o := n
273 # In particular, instrumenting stackdepot.c wi 291 # In particular, instrumenting stackdepot.c with KMSAN will result in infinite
274 # recursion. 292 # recursion.
275 KMSAN_SANITIZE_stackdepot.o := n 293 KMSAN_SANITIZE_stackdepot.o := n
276 KCOV_INSTRUMENT_stackdepot.o := n 294 KCOV_INSTRUMENT_stackdepot.o := n
277 295
278 obj-$(CONFIG_REF_TRACKER) += ref_tracker.o 296 obj-$(CONFIG_REF_TRACKER) += ref_tracker.o
279 297
280 libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw 298 libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
281 fdt_empty_tree.o fdt_addresses. 299 fdt_empty_tree.o fdt_addresses.o
282 $(foreach file, $(libfdt_files), \ 300 $(foreach file, $(libfdt_files), \
283 $(eval CFLAGS_$(file) = -I $(srctree)/ 301 $(eval CFLAGS_$(file) = -I $(srctree)/scripts/dtc/libfdt))
284 lib-$(CONFIG_LIBFDT) += $(libfdt_files) 302 lib-$(CONFIG_LIBFDT) += $(libfdt_files)
285 303
286 obj-$(CONFIG_BOOT_CONFIG) += bootconfig.o 304 obj-$(CONFIG_BOOT_CONFIG) += bootconfig.o
287 obj-$(CONFIG_BOOT_CONFIG_EMBED) += bootconfig- 305 obj-$(CONFIG_BOOT_CONFIG_EMBED) += bootconfig-data.o
288 306
289 $(obj)/bootconfig-data.o: $(obj)/default.bconf 307 $(obj)/bootconfig-data.o: $(obj)/default.bconf
290 308
291 targets += default.bconf 309 targets += default.bconf
292 filechk_defbconf = cat $(or $(real-prereqs), / 310 filechk_defbconf = cat $(or $(real-prereqs), /dev/null)
293 $(obj)/default.bconf: $(CONFIG_BOOT_CONFIG_EMB 311 $(obj)/default.bconf: $(CONFIG_BOOT_CONFIG_EMBED_FILE) FORCE
294 $(call filechk,defbconf) 312 $(call filechk,defbconf)
295 313
296 obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o 314 obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
297 obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_t 315 obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
298 316
299 obj-$(CONFIG_PERCPU_TEST) += percpu_test.o 317 obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
300 318
301 obj-$(CONFIG_ASN1) += asn1_decoder.o 319 obj-$(CONFIG_ASN1) += asn1_decoder.o
302 obj-$(CONFIG_ASN1_ENCODER) += asn1_encoder.o 320 obj-$(CONFIG_ASN1_ENCODER) += asn1_encoder.o
303 321
304 obj-$(CONFIG_FONT_SUPPORT) += fonts/ 322 obj-$(CONFIG_FONT_SUPPORT) += fonts/
305 323
306 hostprogs := gen_crc32table 324 hostprogs := gen_crc32table
307 hostprogs += gen_crc64table 325 hostprogs += gen_crc64table
308 clean-files := crc32table.h 326 clean-files := crc32table.h
309 clean-files += crc64table.h 327 clean-files += crc64table.h
310 328
311 $(obj)/crc32.o: $(obj)/crc32table.h 329 $(obj)/crc32.o: $(obj)/crc32table.h
312 330
313 quiet_cmd_crc32 = GEN $@ 331 quiet_cmd_crc32 = GEN $@
314 cmd_crc32 = $< > $@ 332 cmd_crc32 = $< > $@
315 333
316 $(obj)/crc32table.h: $(obj)/gen_crc32table 334 $(obj)/crc32table.h: $(obj)/gen_crc32table
317 $(call cmd,crc32) 335 $(call cmd,crc32)
318 336
319 $(obj)/crc64.o: $(obj)/crc64table.h 337 $(obj)/crc64.o: $(obj)/crc64table.h
320 338
321 quiet_cmd_crc64 = GEN $@ 339 quiet_cmd_crc64 = GEN $@
322 cmd_crc64 = $< > $@ 340 cmd_crc64 = $< > $@
323 341
324 $(obj)/crc64table.h: $(obj)/gen_crc64table 342 $(obj)/crc64table.h: $(obj)/gen_crc64table
325 $(call cmd,crc64) 343 $(call cmd,crc64)
326 344
327 # 345 #
328 # Build a fast OID lookip registry from includ 346 # Build a fast OID lookip registry from include/linux/oid_registry.h
329 # 347 #
330 obj-$(CONFIG_OID_REGISTRY) += oid_registry.o 348 obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
331 349
332 $(obj)/oid_registry.o: $(obj)/oid_registry_dat 350 $(obj)/oid_registry.o: $(obj)/oid_registry_data.c
333 351
334 $(obj)/oid_registry_data.c: $(srctree)/include 352 $(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
335 $(src)/build_OID_r 353 $(src)/build_OID_registry
336 $(call cmd,build_OID_registry) 354 $(call cmd,build_OID_registry)
337 355
338 quiet_cmd_build_OID_registry = GEN $@ 356 quiet_cmd_build_OID_registry = GEN $@
339 cmd_build_OID_registry = perl $(src)/bui !! 357 cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
340 358
341 clean-files += oid_registry_data.c 359 clean-files += oid_registry_data.c
342 360
343 obj-$(CONFIG_UCS2_STRING) += ucs2_string.o 361 obj-$(CONFIG_UCS2_STRING) += ucs2_string.o
344 obj-$(CONFIG_UBSAN) += ubsan.o 362 obj-$(CONFIG_UBSAN) += ubsan.o
345 363
346 UBSAN_SANITIZE_ubsan.o := n 364 UBSAN_SANITIZE_ubsan.o := n
347 KASAN_SANITIZE_ubsan.o := n 365 KASAN_SANITIZE_ubsan.o := n
348 KCSAN_SANITIZE_ubsan.o := n 366 KCSAN_SANITIZE_ubsan.o := n
349 CFLAGS_ubsan.o := -fno-stack-protector $(DISAB 367 CFLAGS_ubsan.o := -fno-stack-protector $(DISABLE_STACKLEAK_PLUGIN)
350 368
351 obj-$(CONFIG_SBITMAP) += sbitmap.o 369 obj-$(CONFIG_SBITMAP) += sbitmap.o
352 370
353 obj-$(CONFIG_PARMAN) += parman.o 371 obj-$(CONFIG_PARMAN) += parman.o
354 372
355 obj-y += group_cpus.o 373 obj-y += group_cpus.o
356 374
357 # GCC library routines 375 # GCC library routines
358 obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o 376 obj-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
359 obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o 377 obj-$(CONFIG_GENERIC_LIB_ASHRDI3) += ashrdi3.o
360 obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o 378 obj-$(CONFIG_GENERIC_LIB_LSHRDI3) += lshrdi3.o
361 obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o 379 obj-$(CONFIG_GENERIC_LIB_MULDI3) += muldi3.o
362 obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o 380 obj-$(CONFIG_GENERIC_LIB_CMPDI2) += cmpdi2.o
363 obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o 381 obj-$(CONFIG_GENERIC_LIB_UCMPDI2) += ucmpdi2.o
364 obj-$(CONFIG_OBJAGG) += objagg.o 382 obj-$(CONFIG_OBJAGG) += objagg.o
365 383
366 # pldmfw library 384 # pldmfw library
367 obj-$(CONFIG_PLDMFW) += pldmfw/ 385 obj-$(CONFIG_PLDMFW) += pldmfw/
368 386
369 # KUnit tests 387 # KUnit tests
370 CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEA 388 CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN)
371 obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit 389 obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o
372 obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit 390 obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o
373 obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o 391 obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
374 obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtabl 392 obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o
375 obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linea 393 obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
376 obj-$(CONFIG_BITS_TEST) += test_bits.o 394 obj-$(CONFIG_BITS_TEST) += test_bits.o
377 obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_ku 395 obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o
378 obj-$(CONFIG_SLUB_KUNIT_TEST) += slub_kunit.o 396 obj-$(CONFIG_SLUB_KUNIT_TEST) += slub_kunit.o
379 obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcpy_kuni 397 obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcpy_kunit.o
380 obj-$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST) += is_ 398 obj-$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST) += is_signed_type_kunit.o
381 CFLAGS_overflow_kunit.o = $(call cc-disable-wa 399 CFLAGS_overflow_kunit.o = $(call cc-disable-warning, tautological-constant-out-of-range-compare)
382 obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_ 400 obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_kunit.o
383 CFLAGS_stackinit_kunit.o += $(call cc-disable- 401 CFLAGS_stackinit_kunit.o += $(call cc-disable-warning, switch-unreachable)
384 obj-$(CONFIG_STACKINIT_KUNIT_TEST) += stackini 402 obj-$(CONFIG_STACKINIT_KUNIT_TEST) += stackinit_kunit.o
385 CFLAGS_fortify_kunit.o += $(call cc-disable-wa 403 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, unsequenced)
386 CFLAGS_fortify_kunit.o += $(call cc-disable-wa <<
387 CFLAGS_fortify_kunit.o += $(call cc-disable-wa <<
388 CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK 404 CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
389 obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_ku 405 obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o
>> 406 obj-$(CONFIG_STRCAT_KUNIT_TEST) += strcat_kunit.o
>> 407 obj-$(CONFIG_STRSCPY_KUNIT_TEST) += strscpy_kunit.o
390 obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_ku 408 obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o
391 obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_ <<
392 409
393 obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += 410 obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o
394 411
395 obj-$(CONFIG_FIRMWARE_TABLE) += fw_table.o 412 obj-$(CONFIG_FIRMWARE_TABLE) += fw_table.o
396 413
397 subdir-$(CONFIG_FORTIFY_SOURCE) += test_fortif !! 414 # FORTIFY_SOURCE compile-time behavior tests
>> 415 TEST_FORTIFY_SRCS = $(wildcard $(srctree)/$(src)/test_fortify/*-*.c)
>> 416 TEST_FORTIFY_LOGS = $(patsubst $(srctree)/$(src)/%.c, %.log, $(TEST_FORTIFY_SRCS))
>> 417 TEST_FORTIFY_LOG = test_fortify.log
>> 418
>> 419 quiet_cmd_test_fortify = TEST $@
>> 420 cmd_test_fortify = $(CONFIG_SHELL) $(srctree)/scripts/test_fortify.sh \
>> 421 $< $@ "$(NM)" $(CC) $(c_flags) \
>> 422 $(call cc-disable-warning,fortify-source) \
>> 423 -DKBUILD_EXTRA_WARN1
>> 424
>> 425 targets += $(TEST_FORTIFY_LOGS)
>> 426 clean-files += $(TEST_FORTIFY_LOGS)
>> 427 clean-files += $(addsuffix .o, $(TEST_FORTIFY_LOGS))
>> 428 $(obj)/test_fortify/%.log: $(src)/test_fortify/%.c \
>> 429 $(src)/test_fortify/test_fortify.h \
>> 430 $(srctree)/include/linux/fortify-string.h \
>> 431 $(srctree)/scripts/test_fortify.sh \
>> 432 FORCE
>> 433 $(call if_changed,test_fortify)
>> 434
>> 435 quiet_cmd_gen_fortify_log = GEN $@
>> 436 cmd_gen_fortify_log = cat </dev/null $(filter-out FORCE,$^) 2>/dev/null > $@ || true
>> 437
>> 438 targets += $(TEST_FORTIFY_LOG)
>> 439 clean-files += $(TEST_FORTIFY_LOG)
>> 440 $(obj)/$(TEST_FORTIFY_LOG): $(addprefix $(obj)/, $(TEST_FORTIFY_LOGS)) FORCE
>> 441 $(call if_changed,gen_fortify_log)
>> 442
>> 443 # Fake dependency to trigger the fortify tests.
>> 444 ifeq ($(CONFIG_FORTIFY_SOURCE),y)
>> 445 $(obj)/string.o: $(obj)/$(TEST_FORTIFY_LOG)
>> 446 endif
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