libc/Android.mk

   1 LOCAL_PATH:= $(call my-dir)
   2
   3 include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk
   4
   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/sigsetmask.c \
  56         unistd/sigsuspend.c \
  57         unistd/sigwait.c \
  58         unistd/sleep.c \
  59         unistd/statfs.c \
  60         unistd/strsignal.c \
  61         unistd/sysconf.c \
  62         unistd/syslog.c \
  63         unistd/system.c \
  64         unistd/tcgetpgrp.c \
  65         unistd/tcsetpgrp.c \
  66         unistd/time.c \
  67         unistd/umount.c \
  68         unistd/unlockpt.c \
  69         unistd/usleep.c \
  70         unistd/wait.c \
  71         stdio/asprintf.c \
  72         stdio/clrerr.c \
  73         stdio/fclose.c \
  74         stdio/fdopen.c \
  75         stdio/feof.c \
  76         stdio/ferror.c \
  77         stdio/fflush.c \
  78         stdio/fgetc.c \
  79         stdio/fgetln.c \
  80         stdio/fgetpos.c \
  81         stdio/fgets.c \
  82         stdio/fileno.c \
  83         stdio/findfp.c \
  84         stdio/flags.c \
  85         stdio/flockfile.c \
  86         stdio/fopen.c \
  87         stdio/fprintf.c \
  88         stdio/fpurge.c \
  89         stdio/fputc.c \
  90         stdio/fputs.c \
  91         stdio/fread.c \
  92         stdio/freopen.c \
  93         stdio/fscanf.c \
  94         stdio/fseek.c \
  95         stdio/fsetpos.c \
  96         stdio/ftell.c \
  97         stdio/funopen.c \
  98         stdio/fvwrite.c \
  99         stdio/fwalk.c \
 100         stdio/fwrite.c \
 101         stdio/getc.c \
 102         stdio/getchar.c \
 103         stdio/gets.c \
 104         stdio/makebuf.c \
 105         stdio/mktemp.c \
 106         stdio/printf.c \
 107         stdio/putc.c \
 108         stdio/putchar.c \
 109         stdio/puts.c \
 110         stdio/putw.c \
 111         stdio/refill.c \
 112         stdio/remove.c \
 113         stdio/rewind.c \
 114         stdio/rget.c \
 115         stdio/scanf.c \
 116         stdio/setbuf.c \
 117         stdio/setbuffer.c \
 118         stdio/setvbuf.c \
 119         stdio/snprintf.c\
 120         stdio/sprintf.c \
 121         stdio/sscanf.c \
 122         stdio/stdio.c \
 123         stdio/tempnam.c \
 124         stdio/tmpfile.c \
 125         stdio/tmpnam.c \
 126         stdio/ungetc.c \
 127         stdio/vasprintf.c \
 128         stdio/vfprintf.c \
 129         stdio/vfscanf.c \
 130         stdio/vprintf.c \
 131         stdio/vsnprintf.c \
 132         stdio/vsprintf.c \
 133         stdio/vscanf.c \
 134         stdio/vsscanf.c \
 135         stdio/wbuf.c \
 136         stdio/wsetup.c \
 137         stdlib/_rand48.c \
 138         stdlib/assert.c \
 139         stdlib/atexit.c \
 140         stdlib/atoi.c \
 141         stdlib/atol.c \
 142         stdlib/atoll.c \
 143         stdlib/bsearch.c \
 144         stdlib/ctype_.c \
 145         stdlib/div.c \
 146         stdlib/exit.c \
 147         stdlib/getenv.c \
 148         stdlib/jrand48.c \
 149         stdlib/ldiv.c \
 150         stdlib/lldiv.c \
 151         stdlib/locale.c \
 152         stdlib/lrand48.c \
 153         stdlib/mrand48.c \
 154         stdlib/nrand48.c \
 155         stdlib/putenv.c \
 156         stdlib/qsort.c \
 157         stdlib/seed48.c \
 158         stdlib/setenv.c \
 159         stdlib/setjmperr.c \
 160         stdlib/srand48.c \
 161         stdlib/strntoimax.c \
 162         stdlib/strntoumax.c \
 163         stdlib/strtod.c \
 164         stdlib/strtoimax.c \
 165         stdlib/strtol.c \
 166         stdlib/strtoll.c \
 167         stdlib/strtoul.c \
 168         stdlib/strtoull.c \
 169         stdlib/strtoumax.c \
 170         stdlib/tolower_.c \
 171         stdlib/toupper_.c \
 172         stdlib/wchar.c \
 173         string/bcopy.c \
 174         string/index.c \
 175         string/memccpy.c \
 176         string/memchr.c \
 177         string/memmem.c \
 178         string/memmove.c.arm \
 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.arm \
 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
 278 # Architecture specific source files go here
 279 # =========================================================
 280 ifeq ($(TARGET_ARCH),arm)
 281 libc_common_src_files += \
 282         bionic/eabi.c \
 283         arch-arm/bionic/__get_pc.S \
 284         arch-arm/bionic/__get_sp.S \
 285         arch-arm/bionic/_exit_with_stack_teardown.S \
 286         arch-arm/bionic/_setjmp.S \
 287         arch-arm/bionic/atomics_arm.S \
 288         arch-arm/bionic/clone.S \
 289         arch-arm/bionic/ffs.S \
 290         arch-arm/bionic/kill.S \
 291         arch-arm/bionic/tkill.S \
 292         arch-arm/bionic/memcmp.S \
 293         arch-arm/bionic/memcmp16.S \
 294         arch-arm/bionic/memcpy.S \
 295         arch-arm/bionic/memset.S \
 296         arch-arm/bionic/setjmp.S \
 297         arch-arm/bionic/sigsetjmp.S \
 298         arch-arm/bionic/strlen.c.arm \
 299         arch-arm/bionic/syscall.S \
 300         unistd/socketcalls.c
 301
 302 # These files need to be arm so that gdbserver
 303 # can set breakpoints in them without messing
 304 # up any thumb code.
 305 libc_common_src_files += \
 306         bionic/pthread.c.arm \
 307         bionic/pthread-timers.c.arm \
 308         bionic/ptrace.c.arm
 309
 310 # these are used by the static and dynamic versions of the libc
 311 # respectively
 312 libc_arch_static_src_files := \
 313         arch-arm/bionic/exidx_static.c
 314
 315 libc_arch_dynamic_src_files := \
 316         arch-arm/bionic/exidx_dynamic.c
 317 else # !arm
 318
 319 ifeq ($(TARGET_ARCH),x86)
 320 libc_common_src_files += \
 321         arch-x86/bionic/__get_sp.S \
 322         arch-x86/bionic/__get_tls.c \
 323         arch-x86/bionic/__set_tls.c \
 324         arch-x86/bionic/atomics_x86.S \
 325         arch-x86/bionic/clone.S \
 326         arch-x86/bionic/_exit_with_stack_teardown.S \
 327         arch-x86/bionic/setjmp.S \
 328         arch-x86/bionic/_setjmp.S \
 329         arch-x86/bionic/vfork.S \
 330         arch-x86/string/bzero.S \
 331         arch-x86/string/memset.S \
 332         arch-x86/string/memcmp.S \
 333         arch-x86/string/memcpy.S \
 334         arch-x86/string/strlen.S \
 335         bionic/pthread.c \
 336         bionic/pthread-timers.c \
 337         bionic/ptrace.c
 338
 339 # this is needed for static versions of libc
 340 libc_arch_static_src_files := \
 341         arch-x86/bionic/dl_iterate_phdr_static.c
 342
 343 libc_arch_dynamic_src_files :=
 344 endif # x86
 345 endif # !arm
 346
 347 # Define some common cflags
 348 # ========================================================
 349 libc_common_cflags := \
 350                 -DWITH_ERRLIST                  \
 351                 -DANDROID_CHANGES               \
 352                 -DUSE_LOCKS                     \
 353                 -DREALLOC_ZERO_BYTES_FREES      \
 354                 -D_LIBC=1                       \
 355                 -DSOFTFLOAT                     \
 356                 -DFLOATING_POINT                \
 357                 -DNEED_PSELECT=1                \
 358                 -DINET6 \
 359                 -I$(LOCAL_PATH)/private \
 360                 -DUSE_DL_PREFIX
 361
 362 ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true)
 363   libc_common_cflags += -DDEBUG
 364 endif
 365
 366 ifeq ($(TARGET_ARCH),arm)
 367   libc_common_cflags += -fstrict-aliasing
 368   libc_crt_target_cflags := -mthumb-interwork
 369 else # !arm
 370   ifeq ($(TARGET_ARCH),x86)
 371     libc_crt_target_cflags := -m32
 372   endif # x86
 373 endif # !arm
 374
 375 # Define some common includes
 376 # ========================================================
 377 libc_common_c_includes := \
 378                 $(LOCAL_PATH)/stdlib  \
 379                 $(LOCAL_PATH)/string  \
 380                 $(LOCAL_PATH)/stdio
 381
 382
 383 # Define the libc run-time (crt) support object files that must be built,
 384 # which are needed to build all other objects (shared/static libs and
 385 # executables)
 386 # ==========================================================================
 387
 388 ifeq ($(TARGET_ARCH),x86)
 389 # we only need begin_so/end_so for x86, since it needs an appropriate .init
 390 # section in the shared library with a function to call all the entries in
 391 # .ctors section. ARM uses init_array, and does not need the function.
 392 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
 393 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_so.S
 394         @mkdir -p $(dir $@)
 395         $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
 396 ALL_GENERATED_SOURCES += $(GEN)
 397
 398 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
 399 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtend_so.S
 400         @mkdir -p $(dir $@)
 401         $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
 402 ALL_GENERATED_SOURCES += $(GEN)
 403 endif # TARGET_ARCH == x86
 404
 405
 406 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o
 407 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_static.S
 408         @mkdir -p $(dir $@)
 409         $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
 410 ALL_GENERATED_SOURCES += $(GEN)
 411
 412 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o
 413 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_dynamic.S
 414         @mkdir -p $(dir $@)
 415         $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
 416 ALL_GENERATED_SOURCES += $(GEN)
 417
 418
 419 # We rename crtend.o to crtend_android.o to avoid a
 420 # name clash between gcc and bionic.
 421 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o
 422 $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtend.S
 423         @mkdir -p $(dir $@)
 424         $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $<
 425 ALL_GENERATED_SOURCES += $(GEN)
 426
 427
 428 # To enable malloc leak check for statically linked programs, add
 429 # "WITH_MALLOC_CHECK_LIBC_A := true" to buildspec.mk
 430 WITH_MALLOC_CHECK_LIBC_A := $(strip $(WITH_MALLOC_CHECK_LIBC_A))
 431
 432 # ========================================================
 433 # libc_common.a
 434 # ========================================================
 435 include $(CLEAR_VARS)
 436
 437 LOCAL_SRC_FILES := $(libc_common_src_files)
 438 LOCAL_CFLAGS := $(libc_common_cflags)
 439 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 440 LOCAL_MODULE := libc_common
 441 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 442
 443 include $(BUILD_STATIC_LIBRARY)
 444
 445
 446 # ========================================================
 447 # libc_nomalloc.a
 448 # ========================================================
 449 #
 450 # This is a version of the static C library that does not
 451 # include malloc. It's useful in situations when calling
 452 # the user wants to provide their own malloc implementation,
 453 # or wants to explicitly disallow the use of the use of malloc,
 454 # like the dynamic loader.
 455
 456 include $(CLEAR_VARS)
 457
 458 LOCAL_SRC_FILES := \
 459         $(libc_arch_static_src_files) \
 460         bionic/libc_init_static.c
 461
 462 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 463 LOCAL_CFLAGS := $(libc_common_cflags)
 464
 465 LOCAL_MODULE := libc_nomalloc
 466 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 467 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 468
 469 include $(BUILD_STATIC_LIBRARY)
 470
 471
 472 # ========================================================
 473 # libc.a
 474 # ========================================================
 475 include $(CLEAR_VARS)
 476
 477 LOCAL_SRC_FILES := \
 478         $(libc_arch_static_src_files) \
 479         bionic/dlmalloc.c \
 480         bionic/libc_init_static.c
 481
 482 LOCAL_CFLAGS := $(libc_common_cflags)
 483
 484 ifeq ($(WITH_MALLOC_CHECK_LIBC_A),true)
 485   LOCAL_CFLAGS += -DMALLOC_LEAK_CHECK
 486   LOCAL_SRC_FILES += bionic/malloc_leak.c.arm
 487 endif
 488
 489 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 490
 491 LOCAL_MODULE := libc
 492 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 493 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 494
 495 include $(BUILD_STATIC_LIBRARY)
 496
 497
 498 # ========================================================
 499 # libc.so
 500 # ========================================================
 501 include $(CLEAR_VARS)
 502
 503 LOCAL_CFLAGS := $(libc_common_cflags)
 504 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 505
 506 LOCAL_SRC_FILES := \
 507         $(libc_arch_dynamic_src_files) \
 508         bionic/dlmalloc.c \
 509         bionic/malloc_leak.c.arm \
 510         bionic/libc_init_dynamic.c
 511
 512 LOCAL_MODULE:= libc
 513
 514 # WARNING: The only library libc.so should depend on is libdl.so!  If you add other libraries,
 515 # make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries.  This
 516 # ensures that symbols that are pulled into those new libraries from libgcc.a are not declared
 517 # external; if that were the case, then libc would not pull those symbols from libgcc.a as it
 518 # should, instead relying on the external symbols from the dependent libraries.  That would
 519 # create an "cloaked" dependency on libgcc.a in libc though the libraries, which is not what
 520 # you wanted!
 521
 522 LOCAL_SHARED_LIBRARIES := libdl
 523 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 524 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 525
 526 include $(BUILD_SHARED_LIBRARY)
 527
 528
 529 # ========================================================
 530 # libc_debug.so
 531 # ========================================================
 532 include $(CLEAR_VARS)
 533
 534 LOCAL_CFLAGS := \
 535         $(libc_common_cflags) \
 536         -DMALLOC_LEAK_CHECK
 537
 538 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 539
 540 LOCAL_SRC_FILES := \
 541         $(libc_arch_dynamic_src_files) \
 542         bionic/dlmalloc.c \
 543         bionic/malloc_leak.c.arm \
 544         bionic/libc_init_dynamic.c
 545
 546 LOCAL_MODULE:= libc_debug
 547
 548 # WARNING: The only library libc.so should depend on is libdl.so!  If you add other libraries,
 549 # make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries.  This
 550 # ensures that symbols that are pulled into those new libraries from libgcc.a are not declared
 551 # external; if that were the case, then libc would not pull those symbols from libgcc.a as it
 552 # should, instead relying on the external symbols from the dependent libraries.  That would
 553 # create an "cloaked" dependency on libgcc.a in libc though the libraries, which is not what
 554 # you wanted!
 555
 556 LOCAL_SHARED_LIBRARIES := libdl
 557 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 558 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 559 # Don't prelink
 560 LOCAL_PRELINK_MODULE := false
 561 # Don't install on release build
 562 LOCAL_MODULE_TAGS := eng
 563
 564 include $(BUILD_SHARED_LIBRARY)
 565
 566 # ========================================================
 567 include $(call all-makefiles-under,$(LOCAL_PATH))