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