1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for some libs needed in the kernel.
6 ccflags-remove-
$(CONFIG_FUNCTION_TRACER
) += $(CC_FLAGS_FTRACE
)
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
16 KCOV_INSTRUMENT_fault-inject.o
:= n
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
23 # Early boot use of cmdline, don't instrument it
24 ifdef CONFIG_AMD_MEM_ENCRYPT
25 KASAN_SANITIZE_string.o
:= n
27 CFLAGS_string.o
+= -fno-stack-protector
30 lib-y
:= ctype.o string.o vsprintf.o cmdline.o \
31 rbtree.o radix-tree.o timerqueue.o xarray.o \
32 maple_tree.o idr.o extable.o irq_regs.o argv_split.o \
33 flex_proportions.o ratelimit.o \
34 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
35 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
36 nmi_backtrace.o win_minmax.o memcat_p.o \
39 lib-
$(CONFIG_PRINTK
) += dump_stack.o
40 lib-
$(CONFIG_SMP
) += cpumask.o
42 lib-y
+= kobject.o klist.o
45 obj-y
+= bcd.o
sort.o parser.o debug_locks.o random32.o \
46 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
47 list_sort.o uuid.o iov_iter.o clz_ctz.o \
48 bsearch.o find_bit.o llist.o lwq.o memweight.o kfifo.o \
49 percpu-refcount.o rhashtable.o base64.o \
50 once.o refcount.o rcuref.o usercopy.o errseq.o bucket_locks.o \
51 generic-radix-tree.o bitmap-str.o
52 obj-
$(CONFIG_STRING_SELFTEST
) += test_string.o
53 obj-y
+= string_helpers.o
54 obj-
$(CONFIG_TEST_STRING_HELPERS
) += test-string_helpers.o
56 obj-
$(CONFIG_TEST_HEXDUMP
) += test_hexdump.o
58 obj-
$(CONFIG_FIND_BIT_BENCHMARK
) += find_bit_benchmark.o
59 obj-
$(CONFIG_TEST_BPF
) += test_bpf.o
60 test_dhry-objs
:= dhry_1.o dhry_2.o dhry_run.o
61 obj-
$(CONFIG_TEST_DHRY
) += test_dhry.o
62 obj-
$(CONFIG_TEST_FIRMWARE
) += test_firmware.o
63 obj-
$(CONFIG_TEST_BITOPS
) += test_bitops.o
64 CFLAGS_test_bitops.o
+= -Werror
65 obj-
$(CONFIG_CPUMASK_KUNIT_TEST
) += cpumask_kunit.o
66 obj-
$(CONFIG_TEST_SYSCTL
) += test_sysctl.o
67 obj-
$(CONFIG_TEST_IOV_ITER
) += kunit_iov_iter.o
68 obj-
$(CONFIG_HASH_KUNIT_TEST
) += test_hash.o
69 obj-
$(CONFIG_TEST_IDA
) += test_ida.o
70 obj-
$(CONFIG_TEST_UBSAN
) += test_ubsan.o
71 CFLAGS_test_ubsan.o
+= $(call cc-disable-warning
, vla
)
72 UBSAN_SANITIZE_test_ubsan.o
:= y
73 obj-
$(CONFIG_TEST_KSTRTOX
) += test-kstrtox.o
74 obj-
$(CONFIG_TEST_LIST_SORT
) += test_list_sort.o
75 obj-
$(CONFIG_TEST_MIN_HEAP
) += test_min_heap.o
76 obj-
$(CONFIG_TEST_LKM
) += test_module.o
77 obj-
$(CONFIG_TEST_VMALLOC
) += test_vmalloc.o
78 obj-
$(CONFIG_TEST_RHASHTABLE
) += test_rhashtable.o
79 obj-
$(CONFIG_TEST_SORT
) += test_sort.o
80 obj-
$(CONFIG_TEST_USER_COPY
) += test_user_copy.o
81 obj-
$(CONFIG_TEST_STATIC_KEYS
) += test_static_keys.o
82 obj-
$(CONFIG_TEST_STATIC_KEYS
) += test_static_key_base.o
83 obj-
$(CONFIG_TEST_DYNAMIC_DEBUG
) += test_dynamic_debug.o
84 obj-
$(CONFIG_TEST_PRINTF
) += test_printf.o
85 obj-
$(CONFIG_TEST_SCANF
) += test_scanf.o
87 obj-
$(CONFIG_TEST_BITMAP
) += test_bitmap.o
88 ifeq ($(CONFIG_CC_IS_CLANG
)$(CONFIG_KASAN
),yy
)
89 # FIXME: Clang breaks test_bitmap_const_eval when KASAN and GCOV are enabled
90 GCOV_PROFILE_test_bitmap.o
:= n
93 obj-
$(CONFIG_TEST_UUID
) += test_uuid.o
94 obj-
$(CONFIG_TEST_XARRAY
) += test_xarray.o
95 obj-
$(CONFIG_TEST_MAPLE_TREE
) += test_maple_tree.o
96 obj-
$(CONFIG_TEST_PARMAN
) += test_parman.o
97 obj-
$(CONFIG_TEST_KMOD
) += test_kmod.o
98 obj-
$(CONFIG_TEST_DEBUG_VIRTUAL
) += test_debug_virtual.o
99 obj-
$(CONFIG_TEST_MEMCAT_P
) += test_memcat_p.o
100 obj-
$(CONFIG_TEST_OBJAGG
) += test_objagg.o
101 obj-
$(CONFIG_TEST_BLACKHOLE_DEV
) += test_blackhole_dev.o
102 obj-
$(CONFIG_TEST_MEMINIT
) += test_meminit.o
103 obj-
$(CONFIG_TEST_LOCKUP
) += test_lockup.o
104 obj-
$(CONFIG_TEST_HMM
) += test_hmm.o
105 obj-
$(CONFIG_TEST_FREE_PAGES
) += test_free_pages.o
106 obj-
$(CONFIG_KPROBES_SANITY_TEST
) += test_kprobes.o
107 obj-
$(CONFIG_TEST_REF_TRACKER
) += test_ref_tracker.o
108 CFLAGS_test_fprobe.o
+= $(CC_FLAGS_FTRACE
)
109 obj-
$(CONFIG_FPROBE_SANITY_TEST
) += test_fprobe.o
110 obj-
$(CONFIG_TEST_OBJPOOL
) += test_objpool.o
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.
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
124 # The "-msse" in the first argument is there so that the
125 # -mpreferred-stack-boundary=3 build error:
127 # -mpreferred-stack-boundary=3 is not between 4 and 12
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)
134 obj-
$(CONFIG_TEST_FPU
) += test_fpu.o
135 CFLAGS_test_fpu.o
+= $(FPU_CFLAGS
)
137 obj-
$(CONFIG_TEST_LIVEPATCH
) += livepatch
/
139 # Some KUnit files (hooks.o) need to be built-in even when KUnit is a module,
140 # so we can't just use obj-$(CONFIG_KUNIT).
145 ifeq ($(CONFIG_DEBUG_KOBJECT
),y
)
146 CFLAGS_kobject.o
+= -DDEBUG
147 CFLAGS_kobject_uevent.o
+= -DDEBUG
150 obj-
$(CONFIG_DEBUG_INFO_REDUCED
) += debug_info.o
151 CFLAGS_debug_info.o
+= $(call cc-option
, -femit-struct-debug-detailed
=any
)
153 obj-y
+= math
/ crypto
/
155 obj-
$(CONFIG_GENERIC_IOMAP
) += iomap.o
156 obj-
$(CONFIG_GENERIC_PCI_IOMAP
) += pci_iomap.o
157 obj-
$(CONFIG_HAS_IOMEM
) += iomap_copy.o devres.o
158 obj-
$(CONFIG_CHECK_SIGNATURE
) += check_signature.o
159 obj-
$(CONFIG_DEBUG_LOCKING_API_SELFTESTS
) += locking-selftest.o
163 lib-
$(CONFIG_INDIRECT_IOMEM
) += logic_iomem.o
165 obj-
$(CONFIG_TRACE_MMIO_ACCESS
) += trace_readwrite.o
167 obj-
$(CONFIG_GENERIC_HWEIGHT
) += hweight.o
169 obj-
$(CONFIG_BTREE
) += btree.o
170 obj-
$(CONFIG_INTERVAL_TREE
) += interval_tree.o
171 obj-
$(CONFIG_ASSOCIATIVE_ARRAY
) += assoc_array.o
172 obj-
$(CONFIG_DEBUG_PREEMPT
) += smp_processor_id.o
173 obj-
$(CONFIG_LIST_HARDENED
) += list_debug.o
174 obj-
$(CONFIG_DEBUG_OBJECTS
) += debugobjects.o
176 obj-
$(CONFIG_BITREVERSE
) += bitrev.o
177 obj-
$(CONFIG_LINEAR_RANGES
) += linear_ranges.o
178 obj-
$(CONFIG_PACKING
) += packing.o
179 obj-
$(CONFIG_CRC_CCITT
) += crc-ccitt.o
180 obj-
$(CONFIG_CRC16
) += crc16.o
181 obj-
$(CONFIG_CRC_T10DIF
)+= crc-t10dif.o
182 obj-
$(CONFIG_CRC_ITU_T
) += crc-itu-t.o
183 obj-
$(CONFIG_CRC32
) += crc32.o
184 obj-
$(CONFIG_CRC64
) += crc64.o
185 obj-
$(CONFIG_CRC32_SELFTEST
) += crc32test.o
186 obj-
$(CONFIG_CRC4
) += crc4.o
187 obj-
$(CONFIG_CRC7
) += crc7.o
188 obj-
$(CONFIG_LIBCRC32C
) += libcrc32c.o
189 obj-
$(CONFIG_CRC8
) += crc8.o
190 obj-
$(CONFIG_CRC64_ROCKSOFT
) += crc64-rocksoft.o
191 obj-
$(CONFIG_XXHASH
) += xxhash.o
192 obj-
$(CONFIG_GENERIC_ALLOCATOR
) += genalloc.o
194 obj-
$(CONFIG_842_COMPRESS
) += 842/
195 obj-
$(CONFIG_842_DECOMPRESS
) += 842/
196 obj-
$(CONFIG_ZLIB_INFLATE
) += zlib_inflate
/
197 obj-
$(CONFIG_ZLIB_DEFLATE
) += zlib_deflate
/
198 obj-
$(CONFIG_ZLIB_DFLTCC
) += zlib_dfltcc
/
199 obj-
$(CONFIG_REED_SOLOMON
) += reed_solomon
/
200 obj-
$(CONFIG_BCH
) += bch.o
201 obj-
$(CONFIG_LZO_COMPRESS
) += lzo
/
202 obj-
$(CONFIG_LZO_DECOMPRESS
) += lzo
/
203 obj-
$(CONFIG_LZ4_COMPRESS
) += lz4
/
204 obj-
$(CONFIG_LZ4HC_COMPRESS
) += lz4
/
205 obj-
$(CONFIG_LZ4_DECOMPRESS
) += lz4
/
206 obj-
$(CONFIG_ZSTD_COMPRESS
) += zstd
/
207 obj-
$(CONFIG_ZSTD_DECOMPRESS
) += zstd
/
208 obj-
$(CONFIG_XZ_DEC
) += xz
/
209 obj-
$(CONFIG_RAID6_PQ
) += raid6
/
211 lib-
$(CONFIG_DECOMPRESS_GZIP
) += decompress_inflate.o
212 lib-
$(CONFIG_DECOMPRESS_BZIP2
) += decompress_bunzip2.o
213 lib-
$(CONFIG_DECOMPRESS_LZMA
) += decompress_unlzma.o
214 lib-
$(CONFIG_DECOMPRESS_XZ
) += decompress_unxz.o
215 lib-
$(CONFIG_DECOMPRESS_LZO
) += decompress_unlzo.o
216 lib-
$(CONFIG_DECOMPRESS_LZ4
) += decompress_unlz4.o
217 lib-
$(CONFIG_DECOMPRESS_ZSTD
) += decompress_unzstd.o
219 obj-
$(CONFIG_TEXTSEARCH
) += textsearch.o
220 obj-
$(CONFIG_TEXTSEARCH_KMP
) += ts_kmp.o
221 obj-
$(CONFIG_TEXTSEARCH_BM
) += ts_bm.o
222 obj-
$(CONFIG_TEXTSEARCH_FSM
) += ts_fsm.o
223 obj-
$(CONFIG_SMP
) += percpu_counter.o
224 obj-
$(CONFIG_AUDIT_GENERIC
) += audit.o
225 obj-
$(CONFIG_AUDIT_COMPAT_GENERIC
) += compat_audit.o
227 obj-
$(CONFIG_IOMMU_HELPER
) += iommu-helper.o
228 obj-
$(CONFIG_FAULT_INJECTION
) += fault-inject.o
229 obj-
$(CONFIG_FAULT_INJECTION_USERCOPY
) += fault-inject-usercopy.o
230 obj-
$(CONFIG_NOTIFIER_ERROR_INJECTION
) += notifier-error-inject.o
231 obj-
$(CONFIG_PM_NOTIFIER_ERROR_INJECT
) += pm-notifier-error-inject.o
232 obj-
$(CONFIG_NETDEV_NOTIFIER_ERROR_INJECT
) += netdev-notifier-error-inject.o
233 obj-
$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT
) += memory-notifier-error-inject.o
234 obj-
$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT
) += \
235 of-reconfig-notifier-error-inject.o
236 obj-
$(CONFIG_FUNCTION_ERROR_INJECTION
) += error-inject.o
238 lib-
$(CONFIG_GENERIC_BUG
) += bug.o
240 obj-
$(CONFIG_HAVE_ARCH_TRACEHOOK
) += syscall.o
242 obj-
$(CONFIG_DYNAMIC_DEBUG_CORE
) += dynamic_debug.o
243 #ensure exported functions have prototypes
244 CFLAGS_dynamic_debug.o
:= -DDYNAMIC_DEBUG_MODULE
246 obj-
$(CONFIG_SYMBOLIC_ERRNAME
) += errname.o
248 obj-
$(CONFIG_NLATTR
) += nlattr.o
250 obj-
$(CONFIG_LRU_CACHE
) += lru_cache.o
252 obj-
$(CONFIG_GENERIC_CSUM
) += checksum.o
254 obj-
$(CONFIG_GENERIC_ATOMIC64
) += atomic64.o
256 obj-
$(CONFIG_ATOMIC64_SELFTEST
) += atomic64_test.o
258 obj-
$(CONFIG_CPU_RMAP
) += cpu_rmap.o
260 obj-
$(CONFIG_CLOSURES
) += closure.o
262 obj-
$(CONFIG_DQL
) += dynamic_queue_limits.o
264 obj-
$(CONFIG_GLOB
) += glob.o
265 obj-
$(CONFIG_GLOB_SELFTEST
) += globtest.o
267 obj-
$(CONFIG_DIMLIB
) += dim
/
268 obj-
$(CONFIG_SIGNATURE
) += digsig.o
270 lib-
$(CONFIG_CLZ_TAB
) += clz_tab.o
272 obj-
$(CONFIG_GENERIC_STRNCPY_FROM_USER
) += strncpy_from_user.o
273 obj-
$(CONFIG_GENERIC_STRNLEN_USER
) += strnlen_user.o
275 obj-
$(CONFIG_GENERIC_NET_UTILS
) += net_utils.o
277 obj-
$(CONFIG_SG_SPLIT
) += sg_split.o
278 obj-
$(CONFIG_SG_POOL
) += sg_pool.o
279 obj-
$(CONFIG_MEMREGION
) += memregion.o
280 obj-
$(CONFIG_STMP_DEVICE
) += stmp_device.o
281 obj-
$(CONFIG_IRQ_POLL
) += irq_poll.o
283 obj-
$(CONFIG_POLYNOMIAL
) += polynomial.o
285 # stackdepot.c should not be instrumented or call instrumented functions.
286 # Prevent the compiler from calling builtins like memcmp() or bcmp() from this
288 CFLAGS_stackdepot.o
+= -fno-builtin
289 obj-
$(CONFIG_STACKDEPOT
) += stackdepot.o
290 KASAN_SANITIZE_stackdepot.o
:= n
291 # In particular, instrumenting stackdepot.c with KMSAN will result in infinite
293 KMSAN_SANITIZE_stackdepot.o
:= n
294 KCOV_INSTRUMENT_stackdepot.o
:= n
296 obj-
$(CONFIG_REF_TRACKER
) += ref_tracker.o
298 libfdt_files
= fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
299 fdt_empty_tree.o fdt_addresses.o
300 $(foreach file
, $(libfdt_files
), \
301 $(eval CFLAGS_
$(file
) = -I
$(srctree
)/scripts
/dtc
/libfdt
))
302 lib-
$(CONFIG_LIBFDT
) += $(libfdt_files
)
304 obj-
$(CONFIG_BOOT_CONFIG
) += bootconfig.o
305 obj-
$(CONFIG_BOOT_CONFIG_EMBED
) += bootconfig-data.o
307 $(obj
)/bootconfig-data.o
: $(obj
)/default.bconf
309 targets
+= default.bconf
310 filechk_defbconf
= cat
$(or
$(real-prereqs
), /dev
/null
)
311 $(obj
)/default.bconf
: $(CONFIG_BOOT_CONFIG_EMBED_FILE
) FORCE
312 $(call filechk
,defbconf
)
314 obj-
$(CONFIG_RBTREE_TEST
) += rbtree_test.o
315 obj-
$(CONFIG_INTERVAL_TREE_TEST
) += interval_tree_test.o
317 obj-
$(CONFIG_PERCPU_TEST
) += percpu_test.o
319 obj-
$(CONFIG_ASN1
) += asn1_decoder.o
320 obj-
$(CONFIG_ASN1_ENCODER
) += asn1_encoder.o
322 obj-
$(CONFIG_FONT_SUPPORT
) += fonts
/
324 hostprogs
:= gen_crc32table
325 hostprogs
+= gen_crc64table
326 clean-files
:= crc32table.h
327 clean-files
+= crc64table.h
329 $(obj
)/crc32.o
: $(obj
)/crc32table.h
331 quiet_cmd_crc32
= GEN
$@
334 $(obj
)/crc32table.h
: $(obj
)/gen_crc32table
337 $(obj
)/crc64.o
: $(obj
)/crc64table.h
339 quiet_cmd_crc64
= GEN
$@
342 $(obj
)/crc64table.h
: $(obj
)/gen_crc64table
346 # Build a fast OID lookip registry from include/linux/oid_registry.h
348 obj-
$(CONFIG_OID_REGISTRY
) += oid_registry.o
350 $(obj
)/oid_registry.o
: $(obj
)/oid_registry_data.c
352 $(obj
)/oid_registry_data.c
: $(srctree
)/include/linux
/oid_registry.h \
353 $(src
)/build_OID_registry
354 $(call cmd
,build_OID_registry
)
356 quiet_cmd_build_OID_registry
= GEN
$@
357 cmd_build_OID_registry
= perl
$(srctree
)/$(src
)/build_OID_registry
$< $@
359 clean-files
+= oid_registry_data.c
361 obj-
$(CONFIG_UCS2_STRING
) += ucs2_string.o
362 obj-
$(CONFIG_UBSAN
) += ubsan.o
364 UBSAN_SANITIZE_ubsan.o
:= n
365 KASAN_SANITIZE_ubsan.o
:= n
366 KCSAN_SANITIZE_ubsan.o
:= n
367 CFLAGS_ubsan.o
:= -fno-stack-protector
$(DISABLE_STACKLEAK_PLUGIN
)
369 obj-
$(CONFIG_SBITMAP
) += sbitmap.o
371 obj-
$(CONFIG_PARMAN
) += parman.o
373 obj-y
+= group_cpus.o
375 # GCC library routines
376 obj-
$(CONFIG_GENERIC_LIB_ASHLDI3
) += ashldi3.o
377 obj-
$(CONFIG_GENERIC_LIB_ASHRDI3
) += ashrdi3.o
378 obj-
$(CONFIG_GENERIC_LIB_LSHRDI3
) += lshrdi3.o
379 obj-
$(CONFIG_GENERIC_LIB_MULDI3
) += muldi3.o
380 obj-
$(CONFIG_GENERIC_LIB_CMPDI2
) += cmpdi2.o
381 obj-
$(CONFIG_GENERIC_LIB_UCMPDI2
) += ucmpdi2.o
382 obj-
$(CONFIG_OBJAGG
) += objagg.o
385 obj-
$(CONFIG_PLDMFW
) += pldmfw
/
388 CFLAGS_bitfield_kunit.o
:= $(DISABLE_STRUCTLEAK_PLUGIN
)
389 obj-
$(CONFIG_BITFIELD_KUNIT
) += bitfield_kunit.o
390 obj-
$(CONFIG_CHECKSUM_KUNIT
) += checksum_kunit.o
391 obj-
$(CONFIG_LIST_KUNIT_TEST
) += list-test.o
392 obj-
$(CONFIG_HASHTABLE_KUNIT_TEST
) += hashtable_test.o
393 obj-
$(CONFIG_LINEAR_RANGES_TEST
) += test_linear_ranges.o
394 obj-
$(CONFIG_BITS_TEST
) += test_bits.o
395 obj-
$(CONFIG_CMDLINE_KUNIT_TEST
) += cmdline_kunit.o
396 obj-
$(CONFIG_SLUB_KUNIT_TEST
) += slub_kunit.o
397 obj-
$(CONFIG_MEMCPY_KUNIT_TEST
) += memcpy_kunit.o
398 obj-
$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST
) += is_signed_type_kunit.o
399 CFLAGS_overflow_kunit.o
= $(call cc-disable-warning
, tautological-constant-out-of-range-compare
)
400 obj-
$(CONFIG_OVERFLOW_KUNIT_TEST
) += overflow_kunit.o
401 CFLAGS_stackinit_kunit.o
+= $(call cc-disable-warning
, switch-unreachable
)
402 obj-
$(CONFIG_STACKINIT_KUNIT_TEST
) += stackinit_kunit.o
403 CFLAGS_fortify_kunit.o
+= $(call cc-disable-warning
, unsequenced
)
404 CFLAGS_fortify_kunit.o
+= $(DISABLE_STRUCTLEAK_PLUGIN
)
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
408 obj-
$(CONFIG_SIPHASH_KUNIT_TEST
) += siphash_kunit.o
410 obj-
$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED
) += devmem_is_allowed.o
412 obj-
$(CONFIG_FIRMWARE_TABLE
) += fw_table.o
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
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
) \
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 \
433 $(call if_changed
,test_fortify
)
435 quiet_cmd_gen_fortify_log
= GEN
$@
436 cmd_gen_fortify_log
= cat
</dev
/null
$(filter-out FORCE
,$^
) 2>/dev
/null
> $@ || true
438 targets
+= $(TEST_FORTIFY_LOG
)
439 clean-files
+= $(TEST_FORTIFY_LOG
)
440 $(obj
)/$(TEST_FORTIFY_LOG
): $(addprefix $(obj
)/, $(TEST_FORTIFY_LOGS
)) FORCE
441 $(call if_changed
,gen_fortify_log
)
443 # Fake dependency to trigger the fortify tests.
444 ifeq ($(CONFIG_FORTIFY_SOURCE
),y
)
445 $(obj
)/string.o
: $(obj
)/$(TEST_FORTIFY_LOG
)