1 LOCAL_PATH:= $(call my-dir)
3 include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk
5 # Make everything depend on any changes to included makefiles.
6 libc_common_additional_dependencies := \
7 $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk \
8 $(LOCAL_PATH)/Android.mk \
10 # Define the common source files for all the libc instances
11 # =========================================================
12 libc_common_src_files := \
13 $(syscall_src) \
14 unistd/alarm.c \
15 unistd/exec.c \
16 unistd/fnmatch.c \
17 unistd/syslog.c \
18 unistd/system.c \
19 unistd/time.c \
20 stdio/asprintf.c \
21 stdio/fflush.c \
22 stdio/fgetc.c \
23 stdio/findfp.c \
24 stdio/fprintf.c \
25 stdio/fputc.c \
26 stdio/fread.c \
27 stdio/freopen.c \
28 stdio/fscanf.c \
29 stdio/fseek.c \
30 stdio/ftell.c \
31 stdio/fvwrite.c \
32 stdio/gets.c \
33 stdio/printf.c \
34 stdio/refill.c \
35 stdio/rewind.c \
36 stdio/scanf.c \
37 stdio/snprintf.c\
38 stdio/sprintf.c \
39 stdio/sscanf.c \
40 stdio/stdio.c \
41 stdio/ungetc.c \
42 stdio/vasprintf.c \
43 stdio/vfprintf.c \
44 stdio/vfscanf.c \
45 stdio/vprintf.c \
46 stdio/vsnprintf.c \
47 stdio/vsprintf.c \
48 stdio/vscanf.c \
49 stdio/vsscanf.c \
50 stdio/wbuf.c \
51 stdlib/atexit.c \
52 stdlib/ctype_.c \
53 stdlib/exit.c \
54 stdlib/getenv.c \
55 stdlib/putenv.c \
56 stdlib/setenv.c \
57 stdlib/strtod.c \
58 stdlib/strtoimax.c \
59 stdlib/strtol.c \
60 stdlib/strtoll.c \
61 stdlib/strtoul.c \
62 stdlib/strtoull.c \
63 stdlib/strtoumax.c \
64 stdlib/tolower_.c \
65 stdlib/toupper_.c \
66 string/strcasecmp.c \
67 string/strcspn.c \
68 string/strdup.c \
69 string/strpbrk.c \
70 string/strsep.c \
71 string/strspn.c \
72 string/strstr.c \
73 string/strtok.c \
74 wchar/wcswidth.c \
75 wchar/wcsxfrm.c \
76 bionic/arc4random.c \
77 bionic/atoi.c \
78 bionic/atol.c \
79 bionic/atoll.c \
80 bionic/bindresvport.c \
81 bionic/bionic_clone.c \
82 bionic/clearenv.c \
83 bionic/daemon.c \
84 bionic/err.c \
85 bionic/ether_aton.c \
86 bionic/ether_ntoa.c \
87 bionic/fdprintf.c \
88 bionic/flockfile.c \
89 bionic/ftime.c \
90 bionic/ftok.c \
91 bionic/fts.c \
92 bionic/getdtablesize.c \
93 bionic/gethostname.c \
94 bionic/getpgrp.c \
95 bionic/getpriority.c \
96 bionic/getpt.c \
97 bionic/if_indextoname.c \
98 bionic/if_nametoindex.c \
99 bionic/initgroups.c \
100 bionic/ioctl.c \
101 bionic/isatty.c \
102 bionic/issetugid.c \
103 bionic/ldexp.c \
104 bionic/md5.c \
105 bionic/memmem.c \
106 bionic/memswap.c \
107 bionic/pathconf.c \
108 bionic/perror.c \
109 bionic/ptsname.c \
110 bionic/ptsname_r.c \
111 bionic/pututline.c \
112 bionic/reboot.c \
113 bionic/recv.c \
114 bionic/sched_cpualloc.c \
115 bionic/sched_cpucount.c \
116 bionic/sched_getcpu.c \
117 bionic/semaphore.c \
118 bionic/send.c \
119 bionic/setpgrp.c \
120 bionic/sigblock.c \
121 bionic/siginterrupt.c \
122 bionic/siglist.c \
123 bionic/signame.c \
124 bionic/sigsetmask.c \
125 bionic/sleep.c \
126 bionic/strndup.c \
127 bionic/strntoimax.c \
128 bionic/strntoumax.c \
129 bionic/strtotimeval.c \
130 bionic/system_properties.c \
131 bionic/system_properties_compat.c \
132 bionic/tcgetpgrp.c \
133 bionic/tcsetpgrp.c \
134 bionic/time64.c \
135 bionic/umount.c \
136 bionic/unlockpt.c \
137 bionic/usleep.c \
138 bionic/utmp.c \
139 bionic/wcscoll.c \
142 libc_dns_src_files += \
143 netbsd/gethnamaddr.c \
144 netbsd/inet/nsap_addr.c \
145 netbsd/nameser/ns_name.c \
146 netbsd/nameser/ns_netint.c \
147 netbsd/nameser/ns_parse.c \
148 netbsd/nameser/ns_print.c \
149 netbsd/nameser/ns_samedomain.c \
150 netbsd/nameser/ns_ttl.c \
151 netbsd/net/base64.c \
152 netbsd/net/getaddrinfo.c \
153 netbsd/net/getnameinfo.c \
154 netbsd/net/getservbyname.c \
155 netbsd/net/getservbyport.c \
156 netbsd/net/getservent.c \
157 netbsd/net/nsdispatch.c \
158 netbsd/resolv/__dn_comp.c \
159 netbsd/resolv/herror.c \
160 netbsd/resolv/res_cache.c \
161 netbsd/resolv/__res_close.c \
162 netbsd/resolv/res_comp.c \
163 netbsd/resolv/res_data.c \
164 netbsd/resolv/res_debug.c \
165 netbsd/resolv/res_init.c \
166 netbsd/resolv/res_mkquery.c \
167 netbsd/resolv/res_query.c \
168 netbsd/resolv/__res_send.c \
169 netbsd/resolv/res_send.c \
170 netbsd/resolv/res_state.c \
173 # These are used by the 32-bit targets, but not the 64-bit ones.
174 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),arm mips x86))
175 libc_common_src_files += \
176 bionic/legacy_32_bit_support.cpp \
177 bionic/ndk_cruft.cpp \
179 endif
181 # Fortify implementations of libc functions.
182 libc_common_src_files += \
183 bionic/__FD_chk.cpp \
184 bionic/__fgets_chk.cpp \
185 bionic/__memcpy_chk.cpp \
186 bionic/__memmove_chk.cpp \
187 bionic/__memset_chk.cpp \
188 bionic/__read_chk.cpp \
189 bionic/__recvfrom_chk.cpp \
190 bionic/__strcat_chk.cpp \
191 bionic/__strchr_chk.cpp \
192 bionic/__strcpy_chk.cpp \
193 bionic/__strlcat_chk.cpp \
194 bionic/__strlcpy_chk.cpp \
195 bionic/__strlen_chk.cpp \
196 bionic/__strncat_chk.cpp \
197 bionic/__strncpy_chk.cpp \
198 bionic/__strrchr_chk.cpp \
199 bionic/__umask_chk.cpp \
200 bionic/__vsnprintf_chk.cpp \
201 bionic/__vsprintf_chk.cpp \
203 libc_bionic_src_files := \
204 bionic/abort.cpp \
205 bionic/access.cpp \
206 bionic/assert.cpp \
207 bionic/bionic_time_conversions.cpp \
208 bionic/brk.cpp \
209 bionic/chmod.cpp \
210 bionic/chown.cpp \
211 bionic/dirent.cpp \
212 bionic/dup2.cpp \
213 bionic/epoll_create.cpp \
214 bionic/epoll_wait.cpp \
215 bionic/epoll_pwait.cpp \
216 bionic/__errno.cpp \
217 bionic/eventfd_read.cpp \
218 bionic/eventfd_write.cpp \
219 bionic/ffs.cpp \
220 bionic/fork.cpp \
221 bionic/futimens.cpp \
222 bionic/getauxval.cpp \
223 bionic/getcwd.cpp \
224 bionic/inotify_init.cpp \
225 bionic/lchown.cpp \
226 bionic/libc_init_common.cpp \
227 bionic/libc_logging.cpp \
228 bionic/libgen.cpp \
229 bionic/link.cpp \
230 bionic/lstat.cpp \
231 bionic/mkdir.cpp \
232 bionic/mkfifo.cpp \
233 bionic/mknod.cpp \
234 bionic/open.cpp \
235 bionic/pause.cpp \
236 bionic/pipe.cpp \
237 bionic/poll.cpp \
238 bionic/pthread_atfork.cpp \
239 bionic/pthread_attr.cpp \
240 bionic/pthread_cond.cpp \
241 bionic/pthread_create.cpp \
242 bionic/pthread_detach.cpp \
243 bionic/pthread_equal.cpp \
244 bionic/pthread_exit.cpp \
245 bionic/pthread_getcpuclockid.cpp \
246 bionic/pthread_getschedparam.cpp \
247 bionic/pthread_internals.cpp \
248 bionic/pthread_join.cpp \
249 bionic/pthread_key.cpp \
250 bionic/pthread_kill.cpp \
251 bionic/pthread_mutex.cpp \
252 bionic/pthread_once.cpp \
253 bionic/pthread_rwlock.cpp \
254 bionic/pthread_self.cpp \
255 bionic/pthread_setname_np.cpp \
256 bionic/pthread_setschedparam.cpp \
257 bionic/pthread_sigmask.cpp \
258 bionic/ptrace.cpp \
259 bionic/raise.cpp \
260 bionic/readlink.cpp \
261 bionic/rename.cpp \
262 bionic/rmdir.cpp \
263 bionic/sbrk.cpp \
264 bionic/scandir.cpp \
265 bionic/sched_getaffinity.cpp \
266 bionic/setegid.cpp \
267 bionic/__set_errno.cpp \
268 bionic/seteuid.cpp \
269 bionic/setlocale.cpp \
270 bionic/signalfd.cpp \
271 bionic/sigaction.cpp \
272 bionic/sigaddset.cpp \
273 bionic/sigdelset.cpp \
274 bionic/sigemptyset.cpp \
275 bionic/sigfillset.cpp \
276 bionic/sigismember.cpp \
277 bionic/signal.cpp \
278 bionic/sigpending.cpp \
279 bionic/sigprocmask.cpp \
280 bionic/sigsuspend.cpp \
281 bionic/sigwait.cpp \
282 bionic/stat.cpp \
283 bionic/statvfs.cpp \
284 bionic/strerror.cpp \
285 bionic/strerror_r.cpp \
286 bionic/strsignal.cpp \
287 bionic/stubs.cpp \
288 bionic/symlink.cpp \
289 bionic/sysconf.cpp \
290 bionic/thread_atexit.cpp \
291 bionic/tdestroy.cpp \
292 bionic/timer.cpp \
293 bionic/tmpfile.cpp \
294 bionic/unlink.cpp \
295 bionic/utimes.cpp \
296 bionic/wait.cpp \
297 bionic/wchar.cpp \
299 # These are shared by all the 32-bit targets, but not the 64-bit ones.
300 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),arm mips x86))
301 libc_bionic_src_files += \
302 bionic/mmap.cpp \
304 endif
306 libc_tzcode_src_files := \
307 tzcode/asctime.c \
308 tzcode/difftime.c \
309 tzcode/localtime.c \
310 tzcode/strftime.c \
311 tzcode/strptime.c \
313 libc_upstream_freebsd_src_files := \
314 upstream-freebsd/lib/libc/stdio/clrerr.c \
315 upstream-freebsd/lib/libc/stdio/fclose.c \
316 upstream-freebsd/lib/libc/stdio/fdopen.c \
317 upstream-freebsd/lib/libc/stdio/feof.c \
318 upstream-freebsd/lib/libc/stdio/ferror.c \
319 upstream-freebsd/lib/libc/stdio/fgetln.c \
320 upstream-freebsd/lib/libc/stdio/fgetpos.c \
321 upstream-freebsd/lib/libc/stdio/fgets.c \
322 upstream-freebsd/lib/libc/stdio/fileno.c \
323 upstream-freebsd/lib/libc/stdio/flags.c \
324 upstream-freebsd/lib/libc/stdio/fopen.c \
325 upstream-freebsd/lib/libc/stdio/fpurge.c \
326 upstream-freebsd/lib/libc/stdio/fputs.c \
327 upstream-freebsd/lib/libc/stdio/fsetpos.c \
328 upstream-freebsd/lib/libc/stdio/funopen.c \
329 upstream-freebsd/lib/libc/stdio/fwalk.c \
330 upstream-freebsd/lib/libc/stdio/fwrite.c \
331 upstream-freebsd/lib/libc/stdio/getc.c \
332 upstream-freebsd/lib/libc/stdio/getchar.c \
333 upstream-freebsd/lib/libc/stdio/makebuf.c \
334 upstream-freebsd/lib/libc/stdio/mktemp.c \
335 upstream-freebsd/lib/libc/stdio/putc.c \
336 upstream-freebsd/lib/libc/stdio/putchar.c \
337 upstream-freebsd/lib/libc/stdio/puts.c \
338 upstream-freebsd/lib/libc/stdio/putw.c \
339 upstream-freebsd/lib/libc/stdio/remove.c \
340 upstream-freebsd/lib/libc/stdio/rget.c \
341 upstream-freebsd/lib/libc/stdio/setbuf.c \
342 upstream-freebsd/lib/libc/stdio/setbuffer.c \
343 upstream-freebsd/lib/libc/stdio/setvbuf.c \
344 upstream-freebsd/lib/libc/stdio/tempnam.c \
345 upstream-freebsd/lib/libc/stdio/tmpnam.c \
346 upstream-freebsd/lib/libc/stdio/wsetup.c \
347 upstream-freebsd/lib/libc/stdlib/abs.c \
348 upstream-freebsd/lib/libc/stdlib/getopt_long.c \
349 upstream-freebsd/lib/libc/stdlib/imaxabs.c \
350 upstream-freebsd/lib/libc/stdlib/imaxdiv.c \
351 upstream-freebsd/lib/libc/stdlib/labs.c \
352 upstream-freebsd/lib/libc/stdlib/llabs.c \
353 upstream-freebsd/lib/libc/stdlib/qsort.c \
354 upstream-freebsd/lib/libc/stdlib/realpath.c \
355 upstream-freebsd/lib/libc/string/wcpcpy.c \
356 upstream-freebsd/lib/libc/string/wcpncpy.c \
357 upstream-freebsd/lib/libc/string/wcscasecmp.c \
358 upstream-freebsd/lib/libc/string/wcscspn.c \
359 upstream-freebsd/lib/libc/string/wcsdup.c \
360 upstream-freebsd/lib/libc/string/wcslcat.c \
361 upstream-freebsd/lib/libc/string/wcslcpy.c \
362 upstream-freebsd/lib/libc/string/wcsncasecmp.c \
363 upstream-freebsd/lib/libc/string/wcsncat.c \
364 upstream-freebsd/lib/libc/string/wcsncmp.c \
365 upstream-freebsd/lib/libc/string/wcsncpy.c \
366 upstream-freebsd/lib/libc/string/wcsnlen.c \
367 upstream-freebsd/lib/libc/string/wcspbrk.c \
368 upstream-freebsd/lib/libc/string/wcsspn.c \
369 upstream-freebsd/lib/libc/string/wcsstr.c \
370 upstream-freebsd/lib/libc/string/wcstok.c \
371 upstream-freebsd/lib/libc/string/wmemchr.c \
372 upstream-freebsd/lib/libc/string/wmemcpy.c \
373 upstream-freebsd/lib/libc/string/wmemmove.c \
374 upstream-freebsd/lib/libc/string/wmemset.c \
376 libc_upstream_netbsd_src_files := \
377 upstream-netbsd/common/lib/libc/hash/sha1/sha1.c \
378 upstream-netbsd/common/lib/libc/inet/inet_addr.c \
379 upstream-netbsd/libc/compat-43/creat.c \
380 upstream-netbsd/libc/gen/ftw.c \
381 upstream-netbsd/libc/gen/nftw.c \
382 upstream-netbsd/libc/gen/nice.c \
383 upstream-netbsd/libc/gen/popen.c \
384 upstream-netbsd/libc/gen/psignal.c \
385 upstream-netbsd/libc/gen/setjmperr.c \
386 upstream-netbsd/libc/gen/utime.c \
387 upstream-netbsd/libc/inet/inet_ntoa.c \
388 upstream-netbsd/libc/inet/inet_ntop.c \
389 upstream-netbsd/libc/inet/inet_pton.c \
390 upstream-netbsd/libc/isc/ev_streams.c \
391 upstream-netbsd/libc/isc/ev_timers.c \
392 upstream-netbsd/libc/regex/regcomp.c \
393 upstream-netbsd/libc/regex/regerror.c \
394 upstream-netbsd/libc/regex/regexec.c \
395 upstream-netbsd/libc/regex/regfree.c \
396 upstream-netbsd/libc/stdio/getdelim.c \
397 upstream-netbsd/libc/stdio/getline.c \
398 upstream-netbsd/libc/stdlib/bsearch.c \
399 upstream-netbsd/libc/stdlib/div.c \
400 upstream-netbsd/libc/stdlib/drand48.c \
401 upstream-netbsd/libc/stdlib/erand48.c \
402 upstream-netbsd/libc/stdlib/jrand48.c \
403 upstream-netbsd/libc/stdlib/ldiv.c \
404 upstream-netbsd/libc/stdlib/lldiv.c \
405 upstream-netbsd/libc/stdlib/lrand48.c \
406 upstream-netbsd/libc/stdlib/mrand48.c \
407 upstream-netbsd/libc/stdlib/nrand48.c \
408 upstream-netbsd/libc/stdlib/_rand48.c \
409 upstream-netbsd/libc/stdlib/seed48.c \
410 upstream-netbsd/libc/stdlib/srand48.c \
411 upstream-netbsd/libc/stdlib/tdelete.c \
412 upstream-netbsd/libc/stdlib/tfind.c \
413 upstream-netbsd/libc/stdlib/tsearch.c \
414 upstream-netbsd/libc/string/memccpy.c \
415 upstream-netbsd/libc/string/strcasestr.c \
416 upstream-netbsd/libc/string/strcoll.c \
417 upstream-netbsd/libc/string/strxfrm.c \
418 upstream-netbsd/libc/unistd/killpg.c \
420 # Architecture specific source files go here
421 # =========================================================
422 ifeq ($(TARGET_ARCH),arm)
423 libc_common_src_files += \
424 bionic/memchr.c \
425 bionic/memmove.c.arm \
426 bionic/memrchr.c \
427 bionic/strchr.cpp \
428 bionic/strnlen.c \
429 string/bcopy.c \
430 string/index.c \
431 string/strlcat.c \
432 string/strlcpy.c \
433 string/strncat.c \
434 string/strncmp.c \
435 string/strncpy.c \
436 string/strrchr.c \
437 upstream-freebsd/lib/libc/string/wcscat.c \
438 upstream-freebsd/lib/libc/string/wcschr.c \
439 upstream-freebsd/lib/libc/string/wcscmp.c \
440 upstream-freebsd/lib/libc/string/wcscpy.c \
441 upstream-freebsd/lib/libc/string/wcslen.c \
442 upstream-freebsd/lib/libc/string/wcsrchr.c \
443 upstream-freebsd/lib/libc/string/wmemcmp.c \
445 endif # arm
447 ifeq ($(TARGET_ARCH),mips)
448 libc_common_src_files += \
449 bionic/memchr.c \
450 bionic/memcmp.c \
451 bionic/memrchr.c \
452 bionic/strchr.cpp \
453 bionic/strnlen.c \
454 string/bcopy.c \
455 string/index.c \
456 string/strcat.c \
457 string/strcmp.c \
458 string/strcpy.c \
459 string/strlcat.c \
460 string/strlcpy.c \
461 string/strncat.c \
462 string/strncmp.c \
463 string/strncpy.c \
464 string/strrchr.c \
465 upstream-freebsd/lib/libc/string/wcscat.c \
466 upstream-freebsd/lib/libc/string/wcschr.c \
467 upstream-freebsd/lib/libc/string/wcscmp.c \
468 upstream-freebsd/lib/libc/string/wcscpy.c \
469 upstream-freebsd/lib/libc/string/wcslen.c \
470 upstream-freebsd/lib/libc/string/wcsrchr.c \
471 upstream-freebsd/lib/libc/string/wmemcmp.c \
473 endif # mips
475 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),x86_64))
476 libc_common_src_files += \
477 bionic/memchr.c \
478 bionic/memcmp.c \
479 bionic/memcpy.c \
480 bionic/memmove.c \
481 bionic/memrchr.c \
482 bionic/memset.c \
483 bionic/strchr.cpp \
484 bionic/strnlen.c \
485 string/bcopy.c \
486 string/index.c \
487 string/strcat.c \
488 string/strcmp.c \
489 string/strcpy.c \
490 string/strlcat.c \
491 string/strlcpy.c \
492 string/strlen.c \
493 string/strncat.c \
494 string/strncmp.c \
495 string/strncpy.c \
496 string/strrchr.c \
497 upstream-freebsd/lib/libc/string/wcscat.c \
498 upstream-freebsd/lib/libc/string/wcschr.c \
499 upstream-freebsd/lib/libc/string/wcscmp.c \
500 upstream-freebsd/lib/libc/string/wcscpy.c \
501 upstream-freebsd/lib/libc/string/wcslen.c \
502 upstream-freebsd/lib/libc/string/wcsrchr.c \
503 upstream-freebsd/lib/libc/string/wmemcmp.c \
505 endif # x86_64
507 ifeq ($(TARGET_ARCH),arm)
508 ifeq ($(strip $(TARGET_CPU_VARIANT)),)
509 $(warning TARGET_ARCH is arm, but TARGET_CPU_VARIANT is not defined)
510 endif
511 endif
513 ###########################################################
514 ## Add cpu specific source files.
515 ##
516 ## This can be called multiple times, but it will only add
517 ## the first source file for each unique $(1).
518 ## $(1): Unique identifier to identify the cpu variant
519 ## implementation.
520 ## $(2): Cpu specific source file.
521 ###########################################################
523 define libc-add-cpu-variant-src
524 $(if $(filter true,$(_LIBC_ARCH_CPU_VARIANT_HAS_$(1))), \
525 , \
526 $(eval _LIBC_ARCH_CPU_VARIANT_HAS_$(1) := true) \
527 $(eval _LIBC_ARCH_CPU_VARIANT_SRC_FILE.$(1) := $(2)) \
528 $(eval _LIBC_ARCH_CPU_VARIANT_SRC_FILES += $(2)) \
529 )
530 endef
532 _LIBC_ARCH_COMMON_SRC_FILES :=
533 _LIBC_ARCH_CPU_VARIANT_SRC_FILES :=
534 _LIBC_ARCH_STATIC_SRC_FILES :=
535 _LIBC_ARCH_DYNAMIC_SRC_FILES :=
536 _LIBC_ARCH_ADDITIONAL_DEPENDENCIES :=
538 libc_common_additional_dependencies += \
539 $(LOCAL_PATH)/arch-$(TARGET_ARCH)/$(TARGET_ARCH).mk
540 include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/$(TARGET_ARCH).mk
542 libc_bionic_src_files += $(_LIBC_ARCH_COMMON_SRC_FILES)
543 libc_bionic_src_files += $(_LIBC_ARCH_CPU_VARIANT_SRC_FILES)
544 libc_arch_static_src_files := $(_LIBC_ARCH_STATIC_SRC_FILES)
545 libc_arch_dynamic_src_files := $(_LIBC_ARCH_DYNAMIC_SRC_FILES)
546 libc_common_additional_dependencies += $(_LIBC_ARCH_ADDITIONAL_DEPENDENCIES)
548 # Define some common cflags
549 # ========================================================
550 libc_common_cflags := \
551 -DANDROID_CHANGES \
552 -D_LIBC=1 \
553 -Wall -Wextra \
555 # Try to catch typical 32-bit assumptions that break with 64-bit pointers.
556 libc_common_cflags += \
557 -Werror=pointer-to-int-cast \
558 -Werror=int-to-pointer-cast \
559 -Werror=type-limits \
561 ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true)
562 libc_common_cflags += -DDEBUG
563 endif
565 # To customize dlmalloc's alignment, set BOARD_MALLOC_ALIGNMENT in
566 # the appropriate BoardConfig.mk file.
567 #
568 ifneq ($(BOARD_MALLOC_ALIGNMENT),)
569 libc_common_cflags += -DMALLOC_ALIGNMENT=$(BOARD_MALLOC_ALIGNMENT)
570 endif
572 ifeq ($(TARGET_ARCH),arm)
573 libc_common_cflags += -DSOFTFLOAT
574 libc_common_cflags += -fstrict-aliasing
575 libc_crt_target_cflags := -mthumb-interwork
576 endif # arm
578 ifeq ($(TARGET_ARCH),mips)
579 ifneq ($(ARCH_MIPS_HAS_FPU),true)
580 libc_common_cflags += -DSOFTFLOAT
581 endif
582 libc_common_cflags += -fstrict-aliasing
583 libc_crt_target_cflags := $(TARGET_GLOBAL_CFLAGS)
584 endif # mips
586 ifeq ($(TARGET_ARCH),x86)
587 libc_crt_target_cflags := -m32
588 libc_crt_target_ldflags := -melf_i386
589 endif # x86
591 ifeq ($(TARGET_ARCH),x86_64)
592 libc_crt_target_cflags := -m64
593 libc_crt_target_ldflags := -melf_x86_64
594 endif # x86_64
596 # Define ANDROID_SMP appropriately.
597 ifeq ($(TARGET_CPU_SMP),true)
598 libc_common_cflags += -DANDROID_SMP=1
599 else
600 libc_common_cflags += -DANDROID_SMP=0
601 endif
603 # crtbrand.c needs <stdint.h> and a #define for the platform SDK version.
604 libc_crt_target_cflags += \
605 -I$(LOCAL_PATH)/include \
606 -I$(LOCAL_PATH)/arch-$(TARGET_ARCH)/include \
607 -DPLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) \
609 # Define some common conlyflags
610 libc_common_conlyflags := \
611 -std=gnu99
613 # Define some common cppflags
614 libc_common_cppflags := \
615 -std=gnu++11
617 # Define some common includes
618 # ========================================================
619 libc_common_c_includes := \
620 $(LOCAL_PATH)/stdlib \
621 $(LOCAL_PATH)/string \
622 $(LOCAL_PATH)/stdio \
623 external/safe-iop/include
625 # Define the libc run-time (crt) support object files that must be built,
626 # which are needed to build all other objects (shared/static libs and
627 # executables)
628 # ==========================================================================
629 # ARM, MIPS, and x86 all need crtbegin_so/crtend_so.
630 #
631 # For x86, the .init section must point to a function that calls all
632 # entries in the .ctors section. (on ARM this is done through the
633 # .init_array section instead).
634 #
635 # For all the platforms, the .fini_array section must point to a function
636 # that will call __cxa_finalize(&__dso_handle) in order to ensure that
637 # static C++ destructors are properly called on dlclose().
638 #
639 libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin.c
640 libc_crt_target_crtbegin_so_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin_so.c
642 ifeq ($(TARGET_ARCH),arm)
643 libc_crt_target_so_cflags :=
644 endif
645 ifeq ($(TARGET_ARCH),mips)
646 libc_crt_target_so_cflags := -fPIC
647 libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin.c
648 endif
649 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),x86 x86_64))
650 libc_crt_target_so_cflags := -fPIC
651 endif
652 libc_crt_target_so_cflags += $(libc_crt_target_cflags)
654 # See the comment in crtbrand.c for the reason why we need to generate
655 # crtbrand.s before generating crtbrand.o.
656 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.s
657 $(GEN): $(LOCAL_PATH)/bionic/crtbrand.c
658 @mkdir -p $(dir $@)
659 $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) -S \
660 -MD -MF $(@:%.s=%.d) -o $@ $<
661 $(hide) sed -i -e '/\.note\.ABI-tag/s/progbits/note/' $@
662 $(call transform-d-to-p-args,$(@:%.s=%.d),$(@:%.s=%.P))
663 -include $(GEN:%.s=%.P)
664 ALL_GENERATED_SOURCES += $(GEN)
666 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o
667 $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.s
668 @mkdir -p $(dir $@)
669 $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) -o $@ -c $<
670 ALL_GENERATED_SOURCES += $(GEN)
672 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
673 $(GEN): $(libc_crt_target_crtbegin_so_file)
674 @mkdir -p $(dir $@)
675 $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) \
676 -MD -MF $(@:%.o=%.d) -o $@ -c $<
677 $(transform-d-to-p)
678 -include $(GEN:%.o=%.P)
679 ALL_GENERATED_SOURCES += $(GEN)
681 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
682 $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtend_so.S
683 @mkdir -p $(dir $@)
684 $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) \
685 -MD -MF $(@:%.o=%.d) -o $@ -c $<
686 $(transform-d-to-p)
687 -include $(GEN:%.o=%.P)
688 ALL_GENERATED_SOURCES += $(GEN)
690 # The following two are installed to device
691 GEN := $(TARGET_OUT_SHARED_LIBRARIES)/crtbegin_so.o
692 $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
693 $(hide) mkdir -p $(dir $@) && cp -f $< $@
694 ALL_GENERATED_SOURCES += $(GEN)
696 GEN := $(TARGET_OUT_SHARED_LIBRARIES)/crtend_so.o
697 $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
698 $(hide) mkdir -p $(dir $@) && cp -f $< $@
699 ALL_GENERATED_SOURCES += $(GEN)
702 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static1.o
703 $(GEN): $(libc_crt_target_crtbegin_file)
704 @mkdir -p $(dir $@)
705 $(hide) $(TARGET_CC) $(libc_crt_target_cflags) \
706 -MD -MF $(@:%.o=%.d) -o $@ -c $<
707 $(transform-d-to-p)
708 -include $(GEN:%.o=%.P)
709 ALL_GENERATED_SOURCES += $(GEN)
711 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
712 $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static1.o $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o
713 @mkdir -p $(dir $@)
714 $(hide) $(TARGET_LD) $(libc_crt_target_ldflags) -r -o $@ $^
715 ALL_GENERATED_SOURCES += $(GEN)
717 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic1.o
718 $(GEN): $(libc_crt_target_crtbegin_file)
719 @mkdir -p $(dir $@)
720 $(hide) $(TARGET_CC) $(libc_crt_target_cflags) \
721 -MD -MF $(@:%.o=%.d) -o $@ -c $<
722 $(transform-d-to-p)
723 -include $(GEN:%.o=%.P)
724 ALL_GENERATED_SOURCES += $(GEN)
726 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
727 $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic1.o $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o
728 @mkdir -p $(dir $@)
729 $(hide) $(TARGET_LD) $(libc_crt_target_ldflags) -r -o $@ $^
730 ALL_GENERATED_SOURCES += $(GEN)
732 # We rename crtend.o to crtend_android.o to avoid a
733 # name clash between gcc and bionic.
734 GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
735 $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtend.S
736 @mkdir -p $(dir $@)
737 $(hide) $(TARGET_CC) $(libc_crt_target_cflags) \
738 -MD -MF $(@:%.o=%.d) -o $@ -c $<
739 $(transform-d-to-p)
740 -include $(GEN:%.o=%.P)
741 ALL_GENERATED_SOURCES += $(GEN)
744 # To enable malloc leak check for statically linked programs, add
745 # "WITH_MALLOC_CHECK_LIBC_A := true" to buildspec.mk
746 WITH_MALLOC_CHECK_LIBC_A := $(strip $(WITH_MALLOC_CHECK_LIBC_A))
748 # ========================================================
749 # libbionic_ssp.a - stack protector code
750 # ========================================================
751 #
752 # The stack protector code needs to be compiled
753 # with -fno-stack-protector, since it modifies the
754 # stack canary.
756 include $(CLEAR_VARS)
758 LOCAL_SRC_FILES := bionic/__stack_chk_fail.cpp
759 LOCAL_CFLAGS := $(libc_common_cflags) -fno-stack-protector -Werror
760 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
761 LOCAL_CPPFLAGS := $(libc_common_cppflags)
762 LOCAL_C_INCLUDES := $(libc_common_c_includes)
763 LOCAL_MODULE := libbionic_ssp
764 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
765 LOCAL_SYSTEM_SHARED_LIBRARIES :=
767 include $(BUILD_STATIC_LIBRARY)
770 # ========================================================
771 # libc_tzcode.a - upstream 'tzcode' code
772 # ========================================================
774 include $(CLEAR_VARS)
776 LOCAL_SRC_FILES := $(libc_tzcode_src_files)
777 LOCAL_CFLAGS := \
778 $(libc_common_cflags) \
779 -DSTD_INSPIRED=1 \
780 -DTZDIR=\"/system/usr/share/zoneinfo\" \
781 -DTM_GMTOFF=tm_gmtoff \
782 -DUSG_COMPAT=1
783 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
784 LOCAL_CPPFLAGS := $(libc_common_cppflags)
785 LOCAL_C_INCLUDES := $(libc_common_c_includes)
786 LOCAL_MODULE := libc_tzcode
787 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
788 LOCAL_SYSTEM_SHARED_LIBRARIES :=
790 include $(BUILD_STATIC_LIBRARY)
793 # ========================================================
794 # libc_dns.a - modified NetBSD DNS code
795 # ========================================================
797 include $(CLEAR_VARS)
799 LOCAL_SRC_FILES := $(libc_dns_src_files)
800 LOCAL_CFLAGS := \
801 $(libc_common_cflags) \
802 -DINET6 \
803 -I$(LOCAL_PATH)/private \
804 -I$(LOCAL_PATH)/upstream-netbsd/libc/include # for NetBSD private headers
806 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
807 LOCAL_CPPFLAGS := $(libc_common_cppflags)
808 LOCAL_C_INCLUDES := $(libc_common_c_includes)
809 LOCAL_MODULE := libc_dns
810 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
811 LOCAL_SYSTEM_SHARED_LIBRARIES :=
813 include $(BUILD_STATIC_LIBRARY)
816 # ========================================================
817 # libc_freebsd.a - upstream FreeBSD C library code
818 # ========================================================
819 #
820 # These files are built with the freebsd-compat.h header file
821 # automatically included.
823 include $(CLEAR_VARS)
825 LOCAL_SRC_FILES := $(libc_upstream_freebsd_src_files)
826 LOCAL_CFLAGS := \
827 $(libc_common_cflags) \
828 -I$(LOCAL_PATH)/upstream-freebsd \
829 -I$(LOCAL_PATH)/upstream-freebsd/libc/include \
830 -include upstream-freebsd/freebsd-compat.h
831 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
832 LOCAL_CPPFLAGS := $(libc_common_cppflags)
833 LOCAL_C_INCLUDES := $(libc_common_c_includes)
834 LOCAL_MODULE := libc_freebsd
835 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
836 LOCAL_SYSTEM_SHARED_LIBRARIES :=
838 include $(BUILD_STATIC_LIBRARY)
841 # ========================================================
842 # libc_netbsd.a - upstream NetBSD C library code
843 # ========================================================
844 #
845 # These files are built with the netbsd-compat.h header file
846 # automatically included.
848 include $(CLEAR_VARS)
850 LOCAL_SRC_FILES := $(libc_upstream_netbsd_src_files)
851 LOCAL_CFLAGS := \
852 $(libc_common_cflags) \
853 -DPOSIX_MISTAKE \
854 -I$(LOCAL_PATH)/upstream-netbsd \
855 -I$(LOCAL_PATH)/upstream-netbsd/libc/include \
856 -include upstream-netbsd/netbsd-compat.h
857 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
858 LOCAL_CPPFLAGS := $(libc_common_cppflags)
859 LOCAL_C_INCLUDES := $(libc_common_c_includes)
860 LOCAL_MODULE := libc_netbsd
861 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
862 LOCAL_SYSTEM_SHARED_LIBRARIES :=
864 include $(BUILD_STATIC_LIBRARY)
867 # ========================================================
868 # libc_bionic.a - home-grown C library code
869 # ========================================================
870 #
871 include $(CLEAR_VARS)
873 LOCAL_SRC_FILES := $(libc_bionic_src_files)
874 LOCAL_CFLAGS := $(libc_common_cflags) -Werror
875 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
876 LOCAL_CPPFLAGS := $(libc_common_cppflags)
877 LOCAL_C_INCLUDES := $(libc_common_c_includes)
878 LOCAL_MODULE := libc_bionic
879 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
880 LOCAL_SYSTEM_SHARED_LIBRARIES :=
882 # Set -DPTHREAD_DEBUG_ENABLED=true to enable support for pthread deadlock prediction.
883 # Since this code is experimental it is disabled by default.
884 LOCAL_CFLAGS += $(libc_common_cflags) -DPTHREAD_DEBUG_ENABLED=false
886 include $(BUILD_STATIC_LIBRARY)
889 # ========================================================
890 # libc_common.a
891 # ========================================================
893 include $(CLEAR_VARS)
895 LOCAL_SRC_FILES := $(libc_common_src_files)
896 LOCAL_CFLAGS := $(libc_common_cflags)
897 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
898 LOCAL_CPPFLAGS := $(libc_common_cppflags)
899 LOCAL_C_INCLUDES := $(libc_common_c_includes)
900 LOCAL_MODULE := libc_common
901 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
902 LOCAL_WHOLE_STATIC_LIBRARIES := \
903 libbionic_ssp \
904 libc_bionic \
905 libc_dns \
906 libc_freebsd \
907 libc_netbsd \
908 libc_tzcode \
910 LOCAL_SYSTEM_SHARED_LIBRARIES :=
912 # TODO: split out the asflags.
913 LOCAL_ASFLAGS := $(LOCAL_CFLAGS)
915 include $(BUILD_STATIC_LIBRARY)
918 # ========================================================
919 # libc_nomalloc.a
920 # ========================================================
921 #
922 # This is a version of the static C library that does not
923 # include malloc. It's useful in situations when the user wants
924 # to provide their own malloc implementation, or wants to
925 # explicitly disallow the use of the use of malloc,
926 # such as in the dynamic loader.
928 include $(CLEAR_VARS)
930 LOCAL_SRC_FILES := \
931 $(libc_arch_static_src_files) \
932 $(libc_static_common_src_files) \
933 bionic/libc_init_static.cpp
935 LOCAL_C_INCLUDES := $(libc_common_c_includes)
936 LOCAL_CFLAGS := $(libc_common_cflags) \
937 -DLIBC_STATIC
938 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
939 LOCAL_CPPFLAGS := $(libc_common_cppflags)
941 LOCAL_MODULE := libc_nomalloc
942 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
943 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
944 LOCAL_SYSTEM_SHARED_LIBRARIES :=
946 include $(BUILD_STATIC_LIBRARY)
949 # ========================================================
950 # libc.a
951 # ========================================================
952 include $(CLEAR_VARS)
954 LOCAL_SRC_FILES := \
955 $(libc_arch_static_src_files) \
956 $(libc_static_common_src_files) \
957 bionic/dlmalloc.c \
958 bionic/malloc_debug_common.cpp \
959 bionic/libc_init_static.cpp
961 LOCAL_CFLAGS := $(libc_common_cflags) \
962 -DLIBC_STATIC
963 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
964 LOCAL_CPPFLAGS := $(libc_common_cppflags)
965 LOCAL_C_INCLUDES := $(libc_common_c_includes)
966 LOCAL_MODULE := libc
967 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
968 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
969 LOCAL_SYSTEM_SHARED_LIBRARIES :=
971 include $(BUILD_STATIC_LIBRARY)
974 # ========================================================
975 # libc.so
976 # ========================================================
977 include $(CLEAR_VARS)
979 LOCAL_CFLAGS := $(libc_common_cflags)
980 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
981 LOCAL_CPPFLAGS := $(libc_common_cppflags)
982 LOCAL_C_INCLUDES := $(libc_common_c_includes)
984 LOCAL_SRC_FILES := \
985 $(libc_arch_dynamic_src_files) \
986 $(libc_static_common_src_files) \
987 bionic/dlmalloc.c \
988 bionic/malloc_debug_common.cpp \
989 bionic/pthread_debug.cpp \
990 bionic/libc_init_dynamic.cpp
992 ifeq ($(TARGET_ARCH),arm)
993 LOCAL_NO_CRT := true
994 LOCAL_CFLAGS += -DCRT_LEGACY_WORKAROUND
996 LOCAL_SRC_FILES := \
997 arch-common/bionic/crtbegin_so.c \
998 arch-arm/bionic/atexit_legacy.c \
999 $(LOCAL_SRC_FILES) \
1000 arch-common/bionic/crtend_so.S
1001 endif
1003 LOCAL_MODULE:= libc
1004 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
1005 LOCAL_REQUIRED_MODULES := tzdata
1007 # WARNING: The only library libc.so should depend on is libdl.so! If you add other libraries,
1008 # make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries. This
1009 # ensures that symbols that are pulled into those new libraries from libgcc.a are not declared
1010 # external; if that were the case, then libc would not pull those symbols from libgcc.a as it
1011 # should, instead relying on the external symbols from the dependent libraries. That would
1012 # create an "cloaked" dependency on libgcc.a in libc though the libraries, which is not what
1013 # you wanted!
1015 LOCAL_SHARED_LIBRARIES := libdl
1016 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
1017 LOCAL_SYSTEM_SHARED_LIBRARIES :=
1019 include $(BUILD_SHARED_LIBRARY)
1022 # For all builds, except for the -user build we will enable memory
1023 # allocation checking (including memory leaks, buffer overwrites, etc.)
1024 # Note that all these checks are also controlled by env. settings
1025 # that can enable, or disable specific checks. Note also that some of
1026 # the checks are available only in emulator and are implemeted in
1027 # libc_malloc_qemu_instrumented.so.
1028 ifneq ($(TARGET_BUILD_VARIANT),user)
1030 # ========================================================
1031 # libc_malloc_debug_leak.so
1032 # ========================================================
1033 include $(CLEAR_VARS)
1035 LOCAL_CFLAGS := \
1036 $(libc_common_cflags) \
1037 -DMALLOC_LEAK_CHECK
1038 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
1039 LOCAL_CPPFLAGS := $(libc_common_cppflags)
1041 LOCAL_C_INCLUDES := $(libc_common_c_includes)
1043 LOCAL_SRC_FILES := \
1044 bionic/debug_mapinfo.cpp \
1045 bionic/debug_stacktrace.cpp \
1046 bionic/malloc_debug_leak.cpp \
1047 bionic/malloc_debug_check.cpp \
1049 LOCAL_MODULE:= libc_malloc_debug_leak
1050 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
1052 LOCAL_SHARED_LIBRARIES := libc libdl
1053 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
1054 LOCAL_SYSTEM_SHARED_LIBRARIES :=
1055 LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
1057 # Don't install on release build
1058 LOCAL_MODULE_TAGS := eng debug
1060 include $(BUILD_SHARED_LIBRARY)
1063 # ========================================================
1064 # libc_malloc_debug_qemu.so
1065 # ========================================================
1066 include $(CLEAR_VARS)
1068 LOCAL_CFLAGS := \
1069 $(libc_common_cflags) \
1070 -DMALLOC_QEMU_INSTRUMENT
1071 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
1072 LOCAL_CPPFLAGS := $(libc_common_cppflags)
1074 LOCAL_C_INCLUDES := $(libc_common_c_includes)
1076 LOCAL_SRC_FILES := \
1077 bionic/malloc_debug_qemu.cpp
1079 LOCAL_MODULE:= libc_malloc_debug_qemu
1080 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
1082 LOCAL_SHARED_LIBRARIES := libc libdl
1083 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
1084 LOCAL_SYSTEM_SHARED_LIBRARIES :=
1086 # Don't install on release build
1087 LOCAL_MODULE_TAGS := eng debug
1089 include $(BUILD_SHARED_LIBRARY)
1091 endif #!user
1094 # ========================================================
1095 include $(call all-makefiles-under,$(LOCAL_PATH))