1 LOCAL_PATH:= $(call my-dir)
3 include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk
5 # Define the common source files for all the libc instances
6 # =========================================================
7 libc_common_src_files := \
8 $(syscall_src) \
9 unistd/abort.c \
10 unistd/alarm.c \
11 unistd/brk.c \
12 unistd/creat.c \
13 unistd/daemon.c \
14 unistd/exec.c \
15 unistd/fcntl.c \
16 unistd/fnmatch.c \
17 unistd/ftime.c \
18 unistd/ftok.c \
19 unistd/getcwd.c \
20 unistd/getdtablesize.c \
21 unistd/gethostname.c \
22 unistd/getopt_long.c \
23 unistd/getpgrp.c \
24 unistd/getpriority.c \
25 unistd/getpt.c \
26 unistd/initgroups.c \
27 unistd/isatty.c \
28 unistd/issetugid.c \
29 unistd/lseek64.c \
30 unistd/mmap.c \
31 unistd/nice.c \
32 unistd/open.c \
33 unistd/openat.c \
34 unistd/opendir.c \
35 unistd/pathconf.c \
36 unistd/perror.c \
37 unistd/popen.c \
38 unistd/pread.c \
39 unistd/pselect.c \
40 unistd/ptsname.c \
41 unistd/ptsname_r.c \
42 unistd/pwrite.c \
43 unistd/raise.c \
44 unistd/reboot.c \
45 unistd/recv.c \
46 unistd/sbrk.c \
47 unistd/send.c \
48 unistd/setegid.c \
49 unistd/seteuid.c \
50 unistd/setpgrp.c \
51 unistd/sigblock.c \
52 unistd/siginterrupt.c \
53 unistd/siglist.c \
54 unistd/signal.c \
55 unistd/signame.c \
56 unistd/sigsetmask.c \
57 unistd/sigsuspend.c \
58 unistd/sigwait.c \
59 unistd/sleep.c \
60 unistd/statfs.c \
61 unistd/strsignal.c \
62 unistd/sysconf.c \
63 unistd/syslog.c \
64 unistd/system.c \
65 unistd/tcgetpgrp.c \
66 unistd/tcsetpgrp.c \
67 unistd/time.c \
68 unistd/umount.c \
69 unistd/unlockpt.c \
70 unistd/usleep.c \
71 unistd/wait.c \
72 stdio/asprintf.c \
73 stdio/clrerr.c \
74 stdio/fclose.c \
75 stdio/fdopen.c \
76 stdio/feof.c \
77 stdio/ferror.c \
78 stdio/fflush.c \
79 stdio/fgetc.c \
80 stdio/fgetln.c \
81 stdio/fgetpos.c \
82 stdio/fgets.c \
83 stdio/fileno.c \
84 stdio/findfp.c \
85 stdio/flags.c \
86 stdio/flockfile.c \
87 stdio/fopen.c \
88 stdio/fprintf.c \
89 stdio/fpurge.c \
90 stdio/fputc.c \
91 stdio/fputs.c \
92 stdio/fread.c \
93 stdio/freopen.c \
94 stdio/fscanf.c \
95 stdio/fseek.c \
96 stdio/fsetpos.c \
97 stdio/ftell.c \
98 stdio/funopen.c \
99 stdio/fvwrite.c \
100 stdio/fwalk.c \
101 stdio/fwrite.c \
102 stdio/getc.c \
103 stdio/getchar.c \
104 stdio/gets.c \
105 stdio/makebuf.c \
106 stdio/mktemp.c \
107 stdio/printf.c \
108 stdio/putc.c \
109 stdio/putchar.c \
110 stdio/puts.c \
111 stdio/putw.c \
112 stdio/refill.c \
113 stdio/remove.c \
114 stdio/rewind.c \
115 stdio/rget.c \
116 stdio/scanf.c \
117 stdio/setbuf.c \
118 stdio/setbuffer.c \
119 stdio/setvbuf.c \
120 stdio/snprintf.c\
121 stdio/sprintf.c \
122 stdio/sscanf.c \
123 stdio/stdio.c \
124 stdio/tempnam.c \
125 stdio/tmpfile.c \
126 stdio/tmpnam.c \
127 stdio/ungetc.c \
128 stdio/vasprintf.c \
129 stdio/vfprintf.c \
130 stdio/vfscanf.c \
131 stdio/vprintf.c \
132 stdio/vsnprintf.c \
133 stdio/vsprintf.c \
134 stdio/vscanf.c \
135 stdio/vsscanf.c \
136 stdio/wbuf.c \
137 stdio/wsetup.c \
138 stdlib/_rand48.c \
139 stdlib/assert.c \
140 stdlib/atexit.c \
141 stdlib/atoi.c \
142 stdlib/atol.c \
143 stdlib/atoll.c \
144 stdlib/bsearch.c \
145 stdlib/ctype_.c \
146 stdlib/div.c \
147 stdlib/exit.c \
148 stdlib/getenv.c \
149 stdlib/jrand48.c \
150 stdlib/ldiv.c \
151 stdlib/lldiv.c \
152 stdlib/locale.c \
153 stdlib/lrand48.c \
154 stdlib/mrand48.c \
155 stdlib/nrand48.c \
156 stdlib/putenv.c \
157 stdlib/qsort.c \
158 stdlib/seed48.c \
159 stdlib/setenv.c \
160 stdlib/setjmperr.c \
161 stdlib/srand48.c \
162 stdlib/strntoimax.c \
163 stdlib/strntoumax.c \
164 stdlib/strtod.c \
165 stdlib/strtoimax.c \
166 stdlib/strtol.c \
167 stdlib/strtoll.c \
168 stdlib/strtoul.c \
169 stdlib/strtoull.c \
170 stdlib/strtoumax.c \
171 stdlib/tolower_.c \
172 stdlib/toupper_.c \
173 stdlib/wchar.c \
174 string/bcopy.c \
175 string/index.c \
176 string/memccpy.c \
177 string/memchr.c \
178 string/memmem.c \
179 string/memrchr.c \
180 string/memswap.c \
181 string/strcasecmp.c \
182 string/strcasestr.c \
183 string/strcat.c \
184 string/strchr.c \
185 string/strcmp.c \
186 string/strcoll.c \
187 string/strcpy.c \
188 string/strcspn.c \
189 string/strdup.c \
190 string/strerror.c \
191 string/strerror_r.c \
192 string/strlcat.c \
193 string/strlcpy.c \
194 string/strncat.c \
195 string/strncmp.c \
196 string/strncpy.c \
197 string/strndup.c \
198 string/strnlen.c \
199 string/strpbrk.c \
200 string/strrchr.c \
201 string/strsep.c \
202 string/strspn.c \
203 string/strstr.c \
204 string/strtok.c \
205 string/strtotimeval.c \
206 string/strxfrm.c \
207 inet/bindresvport.c \
208 inet/inet_addr.c \
209 inet/inet_aton.c \
210 inet/inet_ntoa.c \
211 inet/inet_ntop.c \
212 inet/inet_pton.c \
213 tzcode/asctime.c \
214 tzcode/difftime.c \
215 tzcode/localtime.c \
216 tzcode/strftime.c \
217 tzcode/strptime.c \
218 bionic/__errno.c \
219 bionic/__set_errno.c \
220 bionic/_rand48.c \
221 bionic/arc4random.c \
222 bionic/basename.c \
223 bionic/basename_r.c \
224 bionic/dirname.c \
225 bionic/dirname_r.c \
226 bionic/drand48.c \
227 bionic/erand48.c \
228 bionic/fork.c \
229 bionic/if_nametoindex.c \
230 bionic/if_indextoname.c \
231 bionic/ioctl.c \
232 bionic/ldexp.c \
233 bionic/libc_init_common.c \
234 bionic/logd_write.c \
235 bionic/md5.c \
236 bionic/pututline.c \
237 bionic/realpath.c \
238 bionic/semaphore.c \
239 bionic/sha1.c \
240 bionic/ssp.c \
241 bionic/stubs.c \
242 bionic/system_properties.c \
243 bionic/time64.c \
244 bionic/thread_atexit.c \
245 bionic/utime.c \
246 bionic/utmp.c \
247 netbsd/gethnamaddr.c \
248 netbsd/isc/ev_timers.c \
249 netbsd/isc/ev_streams.c \
250 netbsd/inet/nsap_addr.c \
251 netbsd/resolv/__dn_comp.c \
252 netbsd/resolv/__res_close.c \
253 netbsd/resolv/__res_send.c \
254 netbsd/resolv/herror.c \
255 netbsd/resolv/res_comp.c \
256 netbsd/resolv/res_data.c \
257 netbsd/resolv/res_debug.c \
258 netbsd/resolv/res_init.c \
259 netbsd/resolv/res_mkquery.c \
260 netbsd/resolv/res_query.c \
261 netbsd/resolv/res_send.c \
262 netbsd/resolv/res_state.c \
263 netbsd/resolv/res_cache.c \
264 netbsd/net/nsdispatch.c \
265 netbsd/net/getaddrinfo.c \
266 netbsd/net/getnameinfo.c \
267 netbsd/net/getservbyname.c \
268 netbsd/net/getservent.c \
269 netbsd/net/base64.c \
270 netbsd/net/getservbyport.c \
271 netbsd/nameser/ns_name.c \
272 netbsd/nameser/ns_parse.c \
273 netbsd/nameser/ns_ttl.c \
274 netbsd/nameser/ns_netint.c \
275 netbsd/nameser/ns_print.c \
276 netbsd/nameser/ns_samedomain.c \
277 regex/regcomp.c \
278 regex/regerror.c \
279 regex/regexec.c \
280 regex/regfree.c \
282 # Architecture specific source files go here
283 # =========================================================
284 ifeq ($(TARGET_ARCH),arm)
285 libc_common_src_files += \
286 bionic/eabi.c \
287 arch-arm/bionic/__get_pc.S \
288 arch-arm/bionic/__get_sp.S \
289 arch-arm/bionic/_exit_with_stack_teardown.S \
290 arch-arm/bionic/_setjmp.S \
291 arch-arm/bionic/atomics_arm.S \
292 arch-arm/bionic/clone.S \
293 arch-arm/bionic/ffs.S \
294 arch-arm/bionic/kill.S \
295 arch-arm/bionic/libgcc_compat.c \
296 arch-arm/bionic/tkill.S \
297 arch-arm/bionic/memcmp.S \
298 arch-arm/bionic/memcmp16.S \
299 arch-arm/bionic/memcpy.S \
300 arch-arm/bionic/memset.S \
301 arch-arm/bionic/setjmp.S \
302 arch-arm/bionic/sigsetjmp.S \
303 arch-arm/bionic/strlen.c.arm \
304 arch-arm/bionic/syscall.S \
305 string/memmove.c.arm \
306 unistd/socketcalls.c
308 # These files need to be arm so that gdbserver
309 # can set breakpoints in them without messing
310 # up any thumb code.
311 libc_common_src_files += \
312 bionic/pthread.c.arm \
313 bionic/pthread-timers.c.arm \
314 bionic/ptrace.c.arm
316 # these are used by the static and dynamic versions of the libc
317 # respectively
318 libc_arch_static_src_files := \
319 arch-arm/bionic/exidx_static.c
321 libc_arch_dynamic_src_files := \
322 arch-arm/bionic/exidx_dynamic.c
323 else # !arm
325 ifeq ($(TARGET_ARCH),x86)
326 libc_common_src_files += \
327 arch-x86/bionic/__get_sp.S \
328 arch-x86/bionic/__get_tls.c \
329 arch-x86/bionic/__set_tls.c \
330 arch-x86/bionic/atomics_x86.S \
331 arch-x86/bionic/clone.S \
332 arch-x86/bionic/_exit_with_stack_teardown.S \
333 arch-x86/bionic/setjmp.S \
334 arch-x86/bionic/_setjmp.S \
335 arch-x86/bionic/vfork.S \
336 arch-x86/string/bzero.S \
337 arch-x86/string/memset.S \
338 arch-x86/string/memcmp.S \
339 arch-x86/string/memcpy.S \
340 arch-x86/string/strlen.S \
341 string/memmove.c \
342 bionic/pthread.c \
343 bionic/pthread-timers.c \
344 bionic/ptrace.c
346 # this is needed for static versions of libc
347 libc_arch_static_src_files := \
348 arch-x86/bionic/dl_iterate_phdr_static.c
350 libc_arch_dynamic_src_files :=
351 else # !x86
353 ifeq ($(TARGET_ARCH),sh)
354 libc_common_src_files += \
355 arch-sh/bionic/__get_pc.S \
356 arch-sh/bionic/__get_sp.S \
357 arch-sh/bionic/_exit_with_stack_teardown.S \
358 arch-sh/bionic/_setjmp.S \
359 arch-sh/bionic/atomics_sh.c \
360 arch-sh/bionic/atomic_cmpxchg.S \
361 arch-sh/bionic/clone.S \
362 arch-sh/bionic/pipe.S \
363 arch-sh/bionic/memcpy.S \
364 arch-sh/bionic/memset.S \
365 arch-sh/bionic/bzero.S \
366 arch-sh/bionic/setjmp.S \
367 arch-sh/bionic/sigsetjmp.S \
368 arch-sh/bionic/syscall.S \
369 arch-sh/bionic/memmove.S \
370 arch-sh/bionic/__set_tls.c \
371 arch-sh/bionic/__get_tls.c \
372 arch-sh/bionic/ffs.S \
373 string/memcmp.c \
374 string/strlen.c \
375 bionic/eabi.c \
376 bionic/pthread.c \
377 bionic/pthread-timers.c \
378 bionic/ptrace.c \
379 unistd/socketcalls.c
380 endif # sh
382 endif # !x86
383 endif # !arm
385 # Define some common cflags
386 # ========================================================
387 libc_common_cflags := \
388 -DWITH_ERRLIST \
389 -DANDROID_CHANGES \
390 -DUSE_LOCKS \
391 -DREALLOC_ZERO_BYTES_FREES \
392 -D_LIBC=1 \
393 -DSOFTFLOAT \
394 -DFLOATING_POINT \
395 -DNEED_PSELECT=1 \
396 -DINET6 \
397 -I$(LOCAL_PATH)/private \
398 -DUSE_DL_PREFIX \
399 -DPOSIX_MISTAKE
401 ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true)
402 libc_common_cflags += -DDEBUG
403 endif
405 ifeq ($(TARGET_ARCH),arm)
406 libc_common_cflags += -fstrict-aliasing
407 libc_crt_target_cflags := -mthumb-interwork
408 #
409 # Define HAVE_ARM_TLS_REGISTER macro to indicate to the C library
410 # that it should access the hardware TLS register directly in
411 # private/bionic_tls.h
412 #
413 # The value must match your kernel configuration
414 #
415 ifeq ($(ARCH_ARM_HAVE_TLS_REGISTER),true)
416 libc_common_cflags += -DHAVE_ARM_TLS_REGISTER
417 endif
418 else # !arm
419 ifeq ($(TARGET_ARCH),x86)
420 libc_crt_target_cflags := -m32
421 endif # x86
422 endif # !arm
424 # Define some common includes
425 # ========================================================
426 libc_common_c_includes := \
427 $(LOCAL_PATH)/stdlib \
428 $(LOCAL_PATH)/string \
429 $(LOCAL_PATH)/stdio
432 # Define the libc run-time (crt) support object files that must be built,
433 # which are needed to build all other objects (shared/static libs and
434 # executables)
435 # ==========================================================================
437 ifeq ($(TARGET_ARCH),x86)
438 # we only need begin_so/end_so for x86, since it needs an appropriate .init
439 # section in the shared library with a function to call all the entries in
440 # .ctors section. ARM uses init_array, and does not need the function.
441 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
442 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_so.S
443 @mkdir -p $(dir $@)
444 $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
445 ALL_GENERATED_SOURCES += $(GEN)
447 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
448 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtend_so.S
449 @mkdir -p $(dir $@)
450 $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
451 ALL_GENERATED_SOURCES += $(GEN)
452 endif # TARGET_ARCH == x86
455 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o
456 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_static.S
457 @mkdir -p $(dir $@)
458 $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
459 ALL_GENERATED_SOURCES += $(GEN)
461 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o
462 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_dynamic.S
463 @mkdir -p $(dir $@)
464 $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
465 ALL_GENERATED_SOURCES += $(GEN)
468 # We rename crtend.o to crtend_android.o to avoid a
469 # name clash between gcc and bionic.
470 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o
471 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtend.S
472 @mkdir -p $(dir $@)
473 $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
474 ALL_GENERATED_SOURCES += $(GEN)
477 # To enable malloc leak check for statically linked programs, add
478 # "WITH_MALLOC_CHECK_LIBC_A := true" to buildspec.mk
479 WITH_MALLOC_CHECK_LIBC_A := $(strip $(WITH_MALLOC_CHECK_LIBC_A))
481 # ========================================================
482 # libc_common.a
483 # ========================================================
484 include $(CLEAR_VARS)
486 LOCAL_SRC_FILES := $(libc_common_src_files)
487 LOCAL_CFLAGS := $(libc_common_cflags)
488 LOCAL_C_INCLUDES := $(libc_common_c_includes)
489 LOCAL_MODULE := libc_common
490 LOCAL_SYSTEM_SHARED_LIBRARIES :=
492 include $(BUILD_STATIC_LIBRARY)
495 # ========================================================
496 # libc_nomalloc.a
497 # ========================================================
498 #
499 # This is a version of the static C library that does not
500 # include malloc. It's useful in situations when calling
501 # the user wants to provide their own malloc implementation,
502 # or wants to explicitly disallow the use of the use of malloc,
503 # like the dynamic loader.
505 include $(CLEAR_VARS)
507 LOCAL_SRC_FILES := \
508 $(libc_arch_static_src_files) \
509 bionic/libc_init_static.c
511 LOCAL_C_INCLUDES := $(libc_common_c_includes)
512 LOCAL_CFLAGS := $(libc_common_cflags)
514 LOCAL_MODULE := libc_nomalloc
515 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
516 LOCAL_SYSTEM_SHARED_LIBRARIES :=
518 include $(BUILD_STATIC_LIBRARY)
521 # ========================================================
522 # libc.a
523 # ========================================================
524 include $(CLEAR_VARS)
526 LOCAL_SRC_FILES := \
527 $(libc_arch_static_src_files) \
528 bionic/dlmalloc.c \
529 bionic/malloc_debug_common.c \
530 bionic/libc_init_static.c
532 LOCAL_CFLAGS := $(libc_common_cflags) \
533 -DLIBC_STATIC
534 LOCAL_C_INCLUDES := $(libc_common_c_includes)
535 LOCAL_MODULE := libc
536 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
537 LOCAL_SYSTEM_SHARED_LIBRARIES :=
539 include $(BUILD_STATIC_LIBRARY)
542 # ========================================================
543 # libc.so
544 # ========================================================
545 include $(CLEAR_VARS)
547 LOCAL_CFLAGS := $(libc_common_cflags)
548 LOCAL_C_INCLUDES := $(libc_common_c_includes)
550 LOCAL_SRC_FILES := \
551 $(libc_arch_dynamic_src_files) \
552 bionic/dlmalloc.c \
553 bionic/malloc_debug_common.c \
554 bionic/libc_init_dynamic.c
556 LOCAL_MODULE:= libc
558 # WARNING: The only library libc.so should depend on is libdl.so! If you add other libraries,
559 # make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries. This
560 # ensures that symbols that are pulled into those new libraries from libgcc.a are not declared
561 # external; if that were the case, then libc would not pull those symbols from libgcc.a as it
562 # should, instead relying on the external symbols from the dependent libraries. That would
563 # create an "cloaked" dependency on libgcc.a in libc though the libraries, which is not what
564 # you wanted!
566 LOCAL_SHARED_LIBRARIES := libdl
567 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
568 LOCAL_SYSTEM_SHARED_LIBRARIES :=
570 include $(BUILD_SHARED_LIBRARY)
573 # For all builds, except for the -user build we will enable memory
574 # allocation checking (including memory leaks, buffer overwrites, etc.)
575 # Note that all these checks are also controlled by env. settings
576 # that can enable, or disable specific checks. Note also that some of
577 # the checks are available only in emulator and are implemeted in
578 # libc_malloc_qemu_instrumented.so.
579 ifneq ($(TARGET_BUILD_VARIANT),user)
581 # ========================================================
582 # libc_malloc_debug_leak.so
583 # ========================================================
584 include $(CLEAR_VARS)
586 LOCAL_CFLAGS := \
587 $(libc_common_cflags) \
588 -DMALLOC_LEAK_CHECK
590 LOCAL_C_INCLUDES := $(libc_common_c_includes)
592 LOCAL_SRC_FILES := \
593 bionic/malloc_debug_leak.c
595 LOCAL_MODULE:= libc_malloc_debug_leak
597 LOCAL_SHARED_LIBRARIES := libc
598 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
599 LOCAL_SYSTEM_SHARED_LIBRARIES :=
600 # Don't prelink
601 LOCAL_PRELINK_MODULE := false
602 # Don't install on release build
603 LOCAL_MODULE_TAGS := eng debug
605 include $(BUILD_SHARED_LIBRARY)
608 # ========================================================
609 # libc_malloc_debug_qemu.so
610 # ========================================================
611 include $(CLEAR_VARS)
613 LOCAL_CFLAGS := \
614 $(libc_common_cflags) \
615 -DMALLOC_QEMU_INSTRUMENT
617 LOCAL_C_INCLUDES := $(libc_common_c_includes)
619 LOCAL_SRC_FILES := \
620 bionic/malloc_debug_qemu.c
622 LOCAL_MODULE:= libc_malloc_debug_qemu
624 LOCAL_SHARED_LIBRARIES := libc
625 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
626 LOCAL_SYSTEM_SHARED_LIBRARIES :=
627 # Don't prelink
628 LOCAL_PRELINK_MODULE := false
629 # Don't install on release build
630 LOCAL_MODULE_TAGS := eng debug
632 include $(BUILD_SHARED_LIBRARY)
634 endif #!user
637 # ========================================================
638 include $(call all-makefiles-under,$(LOCAL_PATH))