LOCAL_PATH := $(call my-dir) include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk # Make everything depend on any changes to included makefiles. libc_common_additional_dependencies := \ $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk \ $(LOCAL_PATH)/Android.mk \ # Define the common source files for all the libc instances # ========================================================= libc_common_src_files := \ $(syscall_src) \ unistd/alarm.c \ unistd/exec.c \ unistd/fnmatch.c \ unistd/syslog.c \ unistd/system.c \ unistd/time.c \ stdio/asprintf.c \ stdio/fflush.c \ stdio/fgetc.c \ stdio/findfp.c \ stdio/fprintf.c \ stdio/fputc.c \ stdio/fread.c \ stdio/freopen.c \ stdio/fscanf.c \ stdio/fseek.c \ stdio/ftell.c \ stdio/fvwrite.c \ stdio/gets.c \ stdio/printf.c \ stdio/refill.c \ stdio/rewind.c \ stdio/scanf.c \ stdio/snprintf.c\ stdio/sprintf.c \ stdio/sscanf.c \ stdio/stdio.c \ stdio/ungetc.c \ stdio/vasprintf.c \ stdio/vfprintf.c \ stdio/vfscanf.c \ stdio/vprintf.c \ stdio/vsnprintf.c \ stdio/vsprintf.c \ stdio/vscanf.c \ stdio/vsscanf.c \ stdio/wbuf.c \ stdlib/atexit.c \ stdlib/ctype_.c \ stdlib/getenv.c \ stdlib/putenv.c \ stdlib/setenv.c \ stdlib/strtod.c \ stdlib/strtoimax.c \ stdlib/strtol.c \ stdlib/strtoll.c \ stdlib/strtoul.c \ stdlib/strtoull.c \ stdlib/strtoumax.c \ stdlib/tolower_.c \ stdlib/toupper_.c \ string/strcasecmp.c \ string/strcspn.c \ string/strdup.c \ string/strpbrk.c \ string/strsep.c \ string/strspn.c \ string/strstr.c \ string/strtok.c \ wchar/wcswidth.c \ wchar/wcsxfrm.c \ bionic/arc4random.c \ bionic/atoi.c \ bionic/atol.c \ bionic/atoll.c \ bionic/bindresvport.c \ bionic/clearenv.c \ bionic/daemon.c \ bionic/err.c \ bionic/ether_aton.c \ bionic/ether_ntoa.c \ bionic/fdprintf.c \ bionic/flockfile.c \ bionic/ftime.c \ bionic/ftok.c \ bionic/fts.c \ bionic/getdtablesize.c \ bionic/gethostname.c \ bionic/getpgrp.c \ bionic/getpriority.c \ bionic/getpt.c \ bionic/if_indextoname.c \ bionic/if_nametoindex.c \ bionic/initgroups.c \ bionic/ioctl.c \ bionic/isatty.c \ bionic/issetugid.c \ bionic/ldexp.c \ bionic/md5.c \ bionic/memmem.c \ bionic/memswap.c \ bionic/name_mem.c \ bionic/pathconf.c \ bionic/perror.c \ bionic/ptsname.c \ bionic/ptsname_r.c \ bionic/pututline.c \ bionic/reboot.c \ bionic/recv.c \ bionic/sched_cpualloc.c \ bionic/sched_cpucount.c \ bionic/semaphore.c \ bionic/send.c \ bionic/setpgrp.c \ bionic/sigblock.c \ bionic/siginterrupt.c \ bionic/siglist.c \ bionic/signame.c \ bionic/sigsetmask.c \ bionic/strndup.c \ bionic/strntoimax.c \ bionic/strntoumax.c \ bionic/strtotimeval.c \ bionic/system_properties.c \ bionic/system_properties_compat.c \ bionic/tcgetpgrp.c \ bionic/tcsetpgrp.c \ bionic/time64.c \ bionic/umount.c \ bionic/unlockpt.c \ bionic/utmp.c \ bionic/wcscoll.c \ libc_dns_src_files += \ netbsd/gethnamaddr.c \ netbsd/inet/nsap_addr.c \ netbsd/nameser/ns_name.c \ netbsd/nameser/ns_netint.c \ netbsd/nameser/ns_parse.c \ netbsd/nameser/ns_print.c \ netbsd/nameser/ns_samedomain.c \ netbsd/nameser/ns_ttl.c \ netbsd/net/base64.c \ netbsd/net/getaddrinfo.c \ netbsd/net/getnameinfo.c \ netbsd/net/getservbyname.c \ netbsd/net/getservbyport.c \ netbsd/net/getservent.c \ netbsd/net/nsdispatch.c \ netbsd/resolv/__dn_comp.c \ netbsd/resolv/herror.c \ netbsd/resolv/res_cache.c \ netbsd/resolv/__res_close.c \ netbsd/resolv/res_comp.c \ netbsd/resolv/res_data.c \ netbsd/resolv/res_debug.c \ netbsd/resolv/res_init.c \ netbsd/resolv/res_mkquery.c \ netbsd/resolv/res_query.c \ netbsd/resolv/__res_send.c \ netbsd/resolv/res_send.c \ netbsd/resolv/res_state.c \ # These are used by the 32-bit targets, but not the 64-bit ones. ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),arm mips x86)) libc_common_src_files += \ bionic/legacy_32_bit_support.cpp \ bionic/ndk_cruft.cpp \ endif # Fortify implementations of libc functions. libc_common_src_files += \ bionic/__FD_chk.cpp \ bionic/__fgets_chk.cpp \ bionic/__memcpy_chk.cpp \ bionic/__memmove_chk.cpp \ bionic/__memset_chk.cpp \ bionic/__read_chk.cpp \ bionic/__recvfrom_chk.cpp \ bionic/__strcat_chk.cpp \ bionic/__strchr_chk.cpp \ bionic/__strcpy_chk.cpp \ bionic/__strlcat_chk.cpp \ bionic/__strlcpy_chk.cpp \ bionic/__strlen_chk.cpp \ bionic/__strncat_chk.cpp \ bionic/__strncpy_chk.cpp \ bionic/__strrchr_chk.cpp \ bionic/__umask_chk.cpp \ bionic/__vsnprintf_chk.cpp \ bionic/__vsprintf_chk.cpp \ libc_bionic_src_files := \ bionic/abort.cpp \ bionic/access.cpp \ bionic/assert.cpp \ bionic/bionic_time_conversions.cpp \ bionic/brk.cpp \ bionic/chmod.cpp \ bionic/chown.cpp \ bionic/clone.cpp \ bionic/dirent.cpp \ bionic/dup2.cpp \ bionic/epoll_create.cpp \ bionic/epoll_wait.cpp \ bionic/epoll_pwait.cpp \ bionic/__errno.cpp \ bionic/eventfd_read.cpp \ bionic/eventfd_write.cpp \ bionic/ffs.cpp \ bionic/fork.cpp \ bionic/futimens.cpp \ bionic/getauxval.cpp \ bionic/getcwd.cpp \ bionic/inotify_init.cpp \ bionic/lchown.cpp \ bionic/libc_init_common.cpp \ bionic/libc_logging.cpp \ bionic/libgen.cpp \ bionic/link.cpp \ bionic/lstat.cpp \ bionic/mkdir.cpp \ bionic/mkfifo.cpp \ bionic/mknod.cpp \ bionic/open.cpp \ bionic/pause.cpp \ bionic/pipe.cpp \ bionic/poll.cpp \ bionic/posix_fallocate.cpp \ bionic/pthread_atfork.cpp \ bionic/pthread_attr.cpp \ bionic/pthread_cond.cpp \ bionic/pthread_create.cpp \ bionic/pthread_detach.cpp \ bionic/pthread_equal.cpp \ bionic/pthread_exit.cpp \ bionic/pthread_getcpuclockid.cpp \ bionic/pthread_getschedparam.cpp \ bionic/pthread_internals.cpp \ bionic/pthread_join.cpp \ bionic/pthread_key.cpp \ bionic/pthread_kill.cpp \ bionic/pthread_mutex.cpp \ bionic/pthread_once.cpp \ bionic/pthread_rwlock.cpp \ bionic/pthread_self.cpp \ bionic/pthread_setname_np.cpp \ bionic/pthread_setschedparam.cpp \ bionic/pthread_sigmask.cpp \ bionic/ptrace.cpp \ bionic/raise.cpp \ bionic/readlink.cpp \ bionic/rename.cpp \ bionic/rmdir.cpp \ bionic/sbrk.cpp \ bionic/scandir.cpp \ bionic/sched_getaffinity.cpp \ bionic/sched_getcpu.cpp \ bionic/setegid.cpp \ bionic/__set_errno.cpp \ bionic/seteuid.cpp \ bionic/setlocale.cpp \ bionic/signalfd.cpp \ bionic/sigaction.cpp \ bionic/sigaddset.cpp \ bionic/sigdelset.cpp \ bionic/sigemptyset.cpp \ bionic/sigfillset.cpp \ bionic/sigismember.cpp \ bionic/signal.cpp \ bionic/sigpending.cpp \ bionic/sigprocmask.cpp \ bionic/sigsuspend.cpp \ bionic/sigwait.cpp \ bionic/stat.cpp \ bionic/statvfs.cpp \ bionic/strerror.cpp \ bionic/strerror_r.cpp \ bionic/strsignal.cpp \ bionic/stubs.cpp \ bionic/symlink.cpp \ bionic/sysconf.cpp \ bionic/thread_atexit.cpp \ bionic/tdestroy.cpp \ bionic/timer.cpp \ bionic/tmpfile.cpp \ bionic/unlink.cpp \ bionic/utimes.cpp \ bionic/wait.cpp \ bionic/wchar.cpp \ # These are shared by all the 32-bit targets, but not the 64-bit ones. ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),arm mips x86)) libc_bionic_src_files += \ bionic/mmap.cpp \ endif libc_tzcode_src_files := \ tzcode/asctime.c \ tzcode/difftime.c \ tzcode/localtime.c \ tzcode/strftime.c \ tzcode/strptime.c \ libc_upstream_freebsd_src_files := \ upstream-freebsd/lib/libc/gen/sleep.c \ upstream-freebsd/lib/libc/gen/usleep.c \ upstream-freebsd/lib/libc/stdio/clrerr.c \ upstream-freebsd/lib/libc/stdio/fclose.c \ upstream-freebsd/lib/libc/stdio/fdopen.c \ upstream-freebsd/lib/libc/stdio/feof.c \ upstream-freebsd/lib/libc/stdio/ferror.c \ upstream-freebsd/lib/libc/stdio/fgetln.c \ upstream-freebsd/lib/libc/stdio/fgetpos.c \ upstream-freebsd/lib/libc/stdio/fgets.c \ upstream-freebsd/lib/libc/stdio/fileno.c \ upstream-freebsd/lib/libc/stdio/flags.c \ upstream-freebsd/lib/libc/stdio/fopen.c \ upstream-freebsd/lib/libc/stdio/fpurge.c \ upstream-freebsd/lib/libc/stdio/fputs.c \ upstream-freebsd/lib/libc/stdio/fsetpos.c \ upstream-freebsd/lib/libc/stdio/funopen.c \ upstream-freebsd/lib/libc/stdio/fwalk.c \ upstream-freebsd/lib/libc/stdio/fwrite.c \ upstream-freebsd/lib/libc/stdio/getc.c \ upstream-freebsd/lib/libc/stdio/getchar.c \ upstream-freebsd/lib/libc/stdio/makebuf.c \ upstream-freebsd/lib/libc/stdio/mktemp.c \ upstream-freebsd/lib/libc/stdio/putc.c \ upstream-freebsd/lib/libc/stdio/putchar.c \ upstream-freebsd/lib/libc/stdio/puts.c \ upstream-freebsd/lib/libc/stdio/putw.c \ upstream-freebsd/lib/libc/stdio/remove.c \ upstream-freebsd/lib/libc/stdio/rget.c \ upstream-freebsd/lib/libc/stdio/setbuf.c \ upstream-freebsd/lib/libc/stdio/setbuffer.c \ upstream-freebsd/lib/libc/stdio/setvbuf.c \ upstream-freebsd/lib/libc/stdio/tempnam.c \ upstream-freebsd/lib/libc/stdio/tmpnam.c \ upstream-freebsd/lib/libc/stdio/wsetup.c \ upstream-freebsd/lib/libc/stdlib/abs.c \ upstream-freebsd/lib/libc/stdlib/getopt_long.c \ upstream-freebsd/lib/libc/stdlib/imaxabs.c \ upstream-freebsd/lib/libc/stdlib/imaxdiv.c \ upstream-freebsd/lib/libc/stdlib/labs.c \ upstream-freebsd/lib/libc/stdlib/llabs.c \ upstream-freebsd/lib/libc/stdlib/qsort.c \ upstream-freebsd/lib/libc/stdlib/realpath.c \ upstream-freebsd/lib/libc/string/wcpcpy.c \ upstream-freebsd/lib/libc/string/wcpncpy.c \ upstream-freebsd/lib/libc/string/wcscasecmp.c \ upstream-freebsd/lib/libc/string/wcscspn.c \ upstream-freebsd/lib/libc/string/wcsdup.c \ upstream-freebsd/lib/libc/string/wcslcat.c \ upstream-freebsd/lib/libc/string/wcslcpy.c \ upstream-freebsd/lib/libc/string/wcsncasecmp.c \ upstream-freebsd/lib/libc/string/wcsncat.c \ upstream-freebsd/lib/libc/string/wcsncmp.c \ upstream-freebsd/lib/libc/string/wcsncpy.c \ upstream-freebsd/lib/libc/string/wcsnlen.c \ upstream-freebsd/lib/libc/string/wcspbrk.c \ upstream-freebsd/lib/libc/string/wcsspn.c \ upstream-freebsd/lib/libc/string/wcsstr.c \ upstream-freebsd/lib/libc/string/wcstok.c \ upstream-freebsd/lib/libc/string/wmemchr.c \ upstream-freebsd/lib/libc/string/wmemcpy.c \ upstream-freebsd/lib/libc/string/wmemmove.c \ upstream-freebsd/lib/libc/string/wmemset.c \ libc_upstream_netbsd_src_files := \ upstream-netbsd/common/lib/libc/hash/sha1/sha1.c \ upstream-netbsd/common/lib/libc/inet/inet_addr.c \ upstream-netbsd/libc/compat-43/creat.c \ upstream-netbsd/libc/gen/ftw.c \ upstream-netbsd/libc/gen/nftw.c \ upstream-netbsd/libc/gen/nice.c \ upstream-netbsd/libc/gen/popen.c \ upstream-netbsd/libc/gen/psignal.c \ upstream-netbsd/libc/gen/setjmperr.c \ upstream-netbsd/libc/gen/utime.c \ upstream-netbsd/libc/inet/inet_ntoa.c \ upstream-netbsd/libc/inet/inet_ntop.c \ upstream-netbsd/libc/inet/inet_pton.c \ upstream-netbsd/libc/isc/ev_streams.c \ upstream-netbsd/libc/isc/ev_timers.c \ upstream-netbsd/libc/regex/regcomp.c \ upstream-netbsd/libc/regex/regerror.c \ upstream-netbsd/libc/regex/regexec.c \ upstream-netbsd/libc/regex/regfree.c \ upstream-netbsd/libc/stdio/getdelim.c \ upstream-netbsd/libc/stdio/getline.c \ upstream-netbsd/libc/stdlib/bsearch.c \ upstream-netbsd/libc/stdlib/div.c \ upstream-netbsd/libc/stdlib/drand48.c \ upstream-netbsd/libc/stdlib/erand48.c \ upstream-netbsd/libc/stdlib/exit.c \ upstream-netbsd/libc/stdlib/jrand48.c \ upstream-netbsd/libc/stdlib/ldiv.c \ upstream-netbsd/libc/stdlib/lldiv.c \ upstream-netbsd/libc/stdlib/lrand48.c \ upstream-netbsd/libc/stdlib/mrand48.c \ upstream-netbsd/libc/stdlib/nrand48.c \ upstream-netbsd/libc/stdlib/_rand48.c \ upstream-netbsd/libc/stdlib/seed48.c \ upstream-netbsd/libc/stdlib/srand48.c \ upstream-netbsd/libc/stdlib/tdelete.c \ upstream-netbsd/libc/stdlib/tfind.c \ upstream-netbsd/libc/stdlib/tsearch.c \ upstream-netbsd/libc/string/memccpy.c \ upstream-netbsd/libc/string/strcasestr.c \ upstream-netbsd/libc/string/strcoll.c \ upstream-netbsd/libc/string/strxfrm.c \ upstream-netbsd/libc/thread-stub/__isthreaded.c \ upstream-netbsd/libc/unistd/killpg.c \ # Architecture specific source files go here # ========================================================= ifeq ($(TARGET_ARCH),arm) libc_common_src_files += \ bionic/memchr.c \ bionic/memmove.c.arm \ bionic/memrchr.c \ bionic/strchr.cpp \ bionic/strnlen.c \ string/bcopy.c \ string/index.c \ string/strlcat.c \ string/strlcpy.c \ string/strncat.c \ string/strncmp.c \ string/strncpy.c \ string/strrchr.c \ upstream-freebsd/lib/libc/string/wcscat.c \ upstream-freebsd/lib/libc/string/wcschr.c \ upstream-freebsd/lib/libc/string/wcscmp.c \ upstream-freebsd/lib/libc/string/wcscpy.c \ upstream-freebsd/lib/libc/string/wcslen.c \ upstream-freebsd/lib/libc/string/wcsrchr.c \ upstream-freebsd/lib/libc/string/wmemcmp.c \ endif # arm ifeq ($(TARGET_ARCH), arm64) #TODO: Replace C stubs with optimised assembly libc_common_src_files += \ bionic/memchr.c \ bionic/memcmp.c \ bionic/memcpy.c \ bionic/memmove.c \ bionic/memrchr.c \ bionic/memset.c \ bionic/strchr.cpp \ bionic/strnlen.c \ string/bcopy.c \ string/index.c \ string/memcmp16.c \ string/strcat.c \ string/strcmp.c \ string/strcpy.c \ string/strlcat.c \ string/strlcpy.c \ string/strlen.c \ string/strncat.c \ string/strncmp.c \ string/strncpy.c \ string/strrchr.c \ upstream-freebsd/lib/libc/string/wcscat.c \ upstream-freebsd/lib/libc/string/wcschr.c \ upstream-freebsd/lib/libc/string/wcscmp.c \ upstream-freebsd/lib/libc/string/wcscpy.c \ upstream-freebsd/lib/libc/string/wcslen.c \ upstream-freebsd/lib/libc/string/wcsrchr.c \ upstream-freebsd/lib/libc/string/wmemcmp.c \ endif # arm64 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),mips mips64)) libc_common_src_files += \ bionic/memchr.c \ bionic/memcmp.c \ bionic/memmove.c \ bionic/memrchr.c \ bionic/strchr.cpp \ bionic/strnlen.c \ string/bcopy.c \ string/index.c \ string/strcat.c \ string/strcmp.c \ string/strcpy.c \ string/strlcat.c \ string/strlcpy.c \ string/strncat.c \ string/strncmp.c \ string/strncpy.c \ string/strrchr.c \ upstream-freebsd/lib/libc/string/wcscat.c \ upstream-freebsd/lib/libc/string/wcschr.c \ upstream-freebsd/lib/libc/string/wcscmp.c \ upstream-freebsd/lib/libc/string/wcscpy.c \ upstream-freebsd/lib/libc/string/wcslen.c \ upstream-freebsd/lib/libc/string/wcsrchr.c \ upstream-freebsd/lib/libc/string/wmemcmp.c \ endif # mips || mips64 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),x86_64)) libc_common_src_files += \ bionic/memchr.c \ bionic/memcmp.c \ bionic/memcpy.c \ bionic/memmove.c \ bionic/memrchr.c \ bionic/memset.c \ bionic/strchr.cpp \ bionic/strnlen.c \ string/bcopy.c \ string/index.c \ string/strcat.c \ string/strcmp.c \ string/strcpy.c \ string/strlcat.c \ string/strlcpy.c \ string/strlen.c \ string/strncat.c \ string/strncmp.c \ string/strncpy.c \ string/strrchr.c \ upstream-freebsd/lib/libc/string/wcscat.c \ upstream-freebsd/lib/libc/string/wcschr.c \ upstream-freebsd/lib/libc/string/wcscmp.c \ upstream-freebsd/lib/libc/string/wcscpy.c \ upstream-freebsd/lib/libc/string/wcslen.c \ upstream-freebsd/lib/libc/string/wcsrchr.c \ upstream-freebsd/lib/libc/string/wmemcmp.c \ endif # x86_64 ifeq ($(TARGET_ARCH),arm) ifeq ($(strip $(TARGET_CPU_VARIANT)),) $(warning TARGET_ARCH is arm, but TARGET_CPU_VARIANT is not defined) endif endif ########################################################### ## Add cpu specific source files. ## ## This can be called multiple times, but it will only add ## the first source file for each unique $(1). ## $(1): Unique identifier to identify the cpu variant ## implementation. ## $(2): Cpu specific source file. ########################################################### define libc-add-cpu-variant-src $(if $(filter true,$(_LIBC_ARCH_CPU_VARIANT_HAS_$(1))), \ , \ $(eval _LIBC_ARCH_CPU_VARIANT_HAS_$(1) := true) \ $(eval _LIBC_ARCH_CPU_VARIANT_SRC_FILE.$(1) := $(2)) \ $(eval _LIBC_ARCH_CPU_VARIANT_SRC_FILES += $(2)) \ ) endef _LIBC_ARCH_COMMON_SRC_FILES := _LIBC_ARCH_CPU_VARIANT_SRC_FILES := _LIBC_ARCH_STATIC_SRC_FILES := _LIBC_ARCH_DYNAMIC_SRC_FILES := _LIBC_ARCH_ADDITIONAL_DEPENDENCIES := libc_common_additional_dependencies += \ $(LOCAL_PATH)/arch-$(TARGET_ARCH)/$(TARGET_ARCH).mk include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/$(TARGET_ARCH).mk libc_bionic_src_files += $(_LIBC_ARCH_COMMON_SRC_FILES) libc_bionic_src_files += $(_LIBC_ARCH_CPU_VARIANT_SRC_FILES) libc_arch_static_src_files := $(_LIBC_ARCH_STATIC_SRC_FILES) libc_arch_dynamic_src_files := $(_LIBC_ARCH_DYNAMIC_SRC_FILES) libc_common_additional_dependencies += $(_LIBC_ARCH_ADDITIONAL_DEPENDENCIES) # Define some common cflags # ======================================================== libc_common_cflags := \ -DANDROID_CHANGES \ -D_LIBC=1 \ -Wall -Wextra \ # Try to catch typical 32-bit assumptions that break with 64-bit pointers. libc_common_cflags += \ -Werror=pointer-to-int-cast \ -Werror=int-to-pointer-cast \ -Werror=type-limits \ ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true) libc_common_cflags += -DDEBUG endif # To customize dlmalloc's alignment, set BOARD_MALLOC_ALIGNMENT in # the appropriate BoardConfig.mk file. # ifneq ($(BOARD_MALLOC_ALIGNMENT),) libc_common_cflags += -DMALLOC_ALIGNMENT=$(BOARD_MALLOC_ALIGNMENT) endif # crtbrand.c needs and a #define for the platform SDK version. libc_crt_target_cflags := \ -I$(LOCAL_PATH)/include \ -I$(LOCAL_PATH)/arch-$(TARGET_ARCH)/include \ -DPLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) \ ifeq ($(TARGET_ARCH),arm) libc_common_cflags += -DSOFTFLOAT libc_common_cflags += -fstrict-aliasing libc_crt_target_cflags += -mthumb-interwork endif # arm ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),mips mips64)) ifneq ($(ARCH_MIPS_HAS_FPU),true) libc_common_cflags += -DSOFTFLOAT endif libc_common_cflags += -fstrict-aliasing libc_crt_target_cflags += $(TARGET_GLOBAL_CFLAGS) endif # mips ifeq ($(TARGET_ARCH),x86) libc_crt_target_cflags += -m32 libc_crt_target_ldflags := -melf_i386 endif # x86 ifeq ($(TARGET_ARCH),x86_64) libc_crt_target_cflags += -m64 libc_crt_target_ldflags := -melf_x86_64 endif # x86_64 # Define ANDROID_SMP appropriately. ifeq ($(TARGET_CPU_SMP),true) libc_common_cflags += -DANDROID_SMP=1 else libc_common_cflags += -DANDROID_SMP=0 endif # Define some common conlyflags libc_common_conlyflags := \ -std=gnu99 # Define some common cppflags libc_common_cppflags := \ -std=gnu++11 # Define some common includes # ======================================================== libc_common_c_includes := \ $(LOCAL_PATH)/stdlib \ $(LOCAL_PATH)/string \ $(LOCAL_PATH)/stdio \ external/safe-iop/include # Define the libc run-time (crt) support object files that must be built, # which are needed to build all other objects (shared/static libs and # executables) # ========================================================================== # ARM, Arm64, MIPS, and x86 all need crtbegin_so/crtend_so. # # For x86, the .init section must point to a function that calls all # entries in the .ctors section. (on ARM this is done through the # .init_array section instead). # # For all the platforms, the .fini_array section must point to a function # that will call __cxa_finalize(&__dso_handle) in order to ensure that # static C++ destructors are properly called on dlclose(). # libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin.c libc_crt_target_crtbegin_so_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin_so.c ifeq ($(TARGET_ARCH),arm) libc_crt_target_so_cflags := endif ifeq ($(TARGET_ARCH),arm64) libc_crt_target_so_cflags := libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin.c endif ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),mips mips64)) libc_crt_target_so_cflags := -fPIC libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin.c endif ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),x86 x86_64)) libc_crt_target_so_cflags := -fPIC endif libc_crt_target_so_cflags += $(libc_crt_target_cflags) # See the comment in crtbrand.c for the reason why we need to generate # crtbrand.s before generating crtbrand.o. GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.s $(GEN): $(LOCAL_PATH)/bionic/crtbrand.c @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) -S \ -MD -MF $(@:%.s=%.d) -o $@ $< $(hide) sed -i -e '/\.note\.ABI-tag/s/progbits/note/' $@ $(call transform-d-to-p-args,$(@:%.s=%.d),$(@:%.s=%.P)) -include $(GEN:%.s=%.P) ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.s @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) -o $@ -c $< ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o $(GEN): $(libc_crt_target_crtbegin_so_file) @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) \ -MD -MF $(@:%.o=%.d) -o $@ -c $< $(transform-d-to-p) -include $(GEN:%.o=%.P) ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtend_so.S @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_so_cflags) \ -MD -MF $(@:%.o=%.d) -o $@ -c $< $(transform-d-to-p) -include $(GEN:%.o=%.P) ALL_GENERATED_SOURCES += $(GEN) # The following two are installed to device GEN := $(TARGET_OUT_SHARED_LIBRARIES)/crtbegin_so.o $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o $(hide) mkdir -p $(dir $@) && cp -f $< $@ ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_SHARED_LIBRARIES)/crtend_so.o $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o $(hide) mkdir -p $(dir $@) && cp -f $< $@ ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static1.o $(GEN): $(libc_crt_target_crtbegin_file) @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_cflags) \ -MD -MF $(@:%.o=%.d) -o $@ -c $< $(transform-d-to-p) -include $(GEN:%.o=%.P) ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static1.o $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o @mkdir -p $(dir $@) $(hide) $(TARGET_LD) $(libc_crt_target_ldflags) -r -o $@ $^ ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic1.o $(GEN): $(libc_crt_target_crtbegin_file) @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_cflags) \ -MD -MF $(@:%.o=%.d) -o $@ -c $< $(transform-d-to-p) -include $(GEN:%.o=%.P) ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o $(GEN): $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic1.o $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbrand.o @mkdir -p $(dir $@) $(hide) $(TARGET_LD) $(libc_crt_target_ldflags) -r -o $@ $^ ALL_GENERATED_SOURCES += $(GEN) # We rename crtend.o to crtend_android.o to avoid a # name clash between gcc and bionic. GEN := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o $(GEN): $(LOCAL_PATH)/arch-common/bionic/crtend.S @mkdir -p $(dir $@) $(hide) $(TARGET_CC) $(libc_crt_target_cflags) \ -MD -MF $(@:%.o=%.d) -o $@ -c $< $(transform-d-to-p) -include $(GEN:%.o=%.P) ALL_GENERATED_SOURCES += $(GEN) # To enable malloc leak check for statically linked programs, add # "WITH_MALLOC_CHECK_LIBC_A := true" to buildspec.mk WITH_MALLOC_CHECK_LIBC_A := $(strip $(WITH_MALLOC_CHECK_LIBC_A)) # ======================================================== # libbionic_ssp.a - stack protector code # ======================================================== # # The stack protector code needs to be compiled # with -fno-stack-protector, since it modifies the # stack canary. include $(CLEAR_VARS) LOCAL_SRC_FILES := bionic/__stack_chk_fail.cpp LOCAL_CFLAGS := $(libc_common_cflags) -fno-stack-protector -Werror LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libbionic_ssp LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_tzcode.a - upstream 'tzcode' code # ======================================================== include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_tzcode_src_files) LOCAL_CFLAGS := \ $(libc_common_cflags) \ -DSTD_INSPIRED=1 \ -DTZDIR=\"/system/usr/share/zoneinfo\" \ -DTM_GMTOFF=tm_gmtoff \ -DUSG_COMPAT=1 LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_tzcode LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_dns.a - modified NetBSD DNS code # ======================================================== include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_dns_src_files) LOCAL_CFLAGS := \ $(libc_common_cflags) \ -DINET6 \ -I$(LOCAL_PATH)/private \ -I$(LOCAL_PATH)/upstream-netbsd/libc/include # for NetBSD private headers LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_dns LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_freebsd.a - upstream FreeBSD C library code # ======================================================== # # These files are built with the freebsd-compat.h header file # automatically included. include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_upstream_freebsd_src_files) LOCAL_CFLAGS := \ $(libc_common_cflags) \ -I$(LOCAL_PATH)/upstream-freebsd \ -I$(LOCAL_PATH)/upstream-freebsd/libc/include \ -include upstream-freebsd/freebsd-compat.h LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_freebsd LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_netbsd.a - upstream NetBSD C library code # ======================================================== # # These files are built with the netbsd-compat.h header file # automatically included. include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_upstream_netbsd_src_files) LOCAL_CFLAGS := \ $(libc_common_cflags) \ -DPOSIX_MISTAKE \ -I$(LOCAL_PATH)/upstream-netbsd \ -I$(LOCAL_PATH)/upstream-netbsd/libc/include \ -include upstream-netbsd/netbsd-compat.h LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_netbsd LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_bionic.a - home-grown C library code # ======================================================== include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_bionic_src_files) LOCAL_CFLAGS := $(libc_common_cflags) -Werror LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_bionic LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SYSTEM_SHARED_LIBRARIES := # Set -DPTHREAD_DEBUG_ENABLED=true to enable support for pthread deadlock prediction. # Since this code is experimental it is disabled by default. LOCAL_CFLAGS += $(libc_common_cflags) -DPTHREAD_DEBUG_ENABLED=false include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_common.a # ======================================================== include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_common_src_files) LOCAL_CFLAGS := $(libc_common_cflags) LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_common LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_WHOLE_STATIC_LIBRARIES := \ libbionic_ssp \ libc_bionic \ libc_dns \ libc_freebsd \ libc_netbsd \ libc_tzcode \ LOCAL_SYSTEM_SHARED_LIBRARIES := # TODO: split out the asflags. LOCAL_ASFLAGS := $(LOCAL_CFLAGS) include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc_nomalloc.a # ======================================================== # # This is a version of the static C library that does not # include malloc. It's useful in situations when the user wants # to provide their own malloc implementation, or wants to # explicitly disallow the use of the use of malloc, # such as in the dynamic loader. include $(CLEAR_VARS) LOCAL_SRC_FILES := \ $(libc_arch_static_src_files) \ $(libc_static_common_src_files) \ bionic/libc_init_static.cpp LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_CFLAGS := $(libc_common_cflags) \ -DLIBC_STATIC LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_MODULE := libc_nomalloc LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc.a # ======================================================== include $(CLEAR_VARS) LOCAL_SRC_FILES := \ $(libc_arch_static_src_files) \ $(libc_static_common_src_files) \ bionic/dlmalloc.c \ bionic/malloc_debug_common.cpp \ bionic/libc_init_static.cpp LOCAL_CFLAGS := $(libc_common_cflags) \ -DLIBC_STATIC LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_STATIC_LIBRARY) # ======================================================== # libc.so # ======================================================== include $(CLEAR_VARS) LOCAL_CFLAGS := $(libc_common_cflags) LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_SRC_FILES := \ $(libc_arch_dynamic_src_files) \ $(libc_static_common_src_files) \ bionic/dlmalloc.c \ bionic/malloc_debug_common.cpp \ bionic/debug_mapinfo.cpp \ bionic/debug_stacktrace.cpp \ bionic/pthread_debug.cpp \ bionic/libc_init_dynamic.cpp \ ifeq ($(TARGET_ARCH),arm) LOCAL_NO_CRT := true LOCAL_CFLAGS += -DCRT_LEGACY_WORKAROUND LOCAL_SRC_FILES := \ arch-common/bionic/crtbegin_so.c \ arch-arm/bionic/atexit_legacy.c \ $(LOCAL_SRC_FILES) \ arch-common/bionic/crtend_so.S endif LOCAL_MODULE:= libc LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_REQUIRED_MODULES := tzdata # WARNING: The only library libc.so should depend on is libdl.so! If you add other libraries, # make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries. This # ensures that symbols that are pulled into those new libraries from libgcc.a are not declared # external; if that were the case, then libc would not pull those symbols from libgcc.a as it # should, instead relying on the external symbols from the dependent libraries. That would # create an "cloaked" dependency on libgcc.a in libc though the libraries, which is not what # you wanted! LOCAL_SHARED_LIBRARIES := libdl LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := include $(BUILD_SHARED_LIBRARY) # For all builds, except for the -user build we will enable memory # allocation checking (including memory leaks, buffer overwrites, etc.) # Note that all these checks are also controlled by env. settings # that can enable, or disable specific checks. Note also that some of # the checks are available only in emulator and are implemeted in # libc_malloc_qemu_instrumented.so. ifneq ($(TARGET_BUILD_VARIANT),user) # ======================================================== # libc_malloc_debug_leak.so # ======================================================== include $(CLEAR_VARS) LOCAL_CFLAGS := \ $(libc_common_cflags) \ -DMALLOC_LEAK_CHECK LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_SRC_FILES := \ bionic/debug_mapinfo.cpp \ bionic/debug_stacktrace.cpp \ bionic/malloc_debug_leak.cpp \ bionic/malloc_debug_check.cpp \ LOCAL_MODULE:= libc_malloc_debug_leak LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SHARED_LIBRARIES := libc libdl LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := LOCAL_ALLOW_UNDEFINED_SYMBOLS := true # Don't install on release build LOCAL_MODULE_TAGS := eng debug include $(BUILD_SHARED_LIBRARY) # ======================================================== # libc_malloc_debug_qemu.so # ======================================================== include $(CLEAR_VARS) LOCAL_CFLAGS := \ $(libc_common_cflags) \ -DMALLOC_QEMU_INSTRUMENT LOCAL_CONLYFLAGS := $(libc_common_conlyflags) LOCAL_CPPFLAGS := $(libc_common_cppflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_SRC_FILES := \ bionic/malloc_debug_qemu.cpp LOCAL_MODULE:= libc_malloc_debug_qemu LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies) LOCAL_SHARED_LIBRARIES := libc libdl LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := # Don't install on release build LOCAL_MODULE_TAGS := eng debug include $(BUILD_SHARED_LIBRARY) endif #!user # ======================================================== include $(call all-makefiles-under,$(LOCAL_PATH))