LOCAL_PATH:= $(call my-dir) include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/syscalls.mk # Define the common source files for all the libc instances # ========================================================= libc_common_src_files := \ $(syscall_src) \ unistd/abort.c \ unistd/alarm.c \ unistd/brk.c \ unistd/creat.c \ unistd/daemon.c \ unistd/exec.c \ unistd/fcntl.c \ unistd/fnmatch.c \ unistd/ftime.c \ unistd/ftok.c \ unistd/getcwd.c \ unistd/getdtablesize.c \ unistd/gethostname.c \ unistd/getopt_long.c \ unistd/getpgrp.c \ unistd/getpriority.c \ unistd/getpt.c \ unistd/initgroups.c \ unistd/isatty.c \ unistd/issetugid.c \ unistd/lseek64.c \ unistd/mmap.c \ unistd/nice.c \ unistd/open.c \ unistd/openat.c \ unistd/opendir.c \ unistd/pathconf.c \ unistd/perror.c \ unistd/popen.c \ unistd/pread.c \ unistd/pselect.c \ unistd/ptsname.c \ unistd/ptsname_r.c \ unistd/pwrite.c \ unistd/raise.c \ unistd/reboot.c \ unistd/recv.c \ unistd/sbrk.c \ unistd/send.c \ unistd/setegid.c \ unistd/seteuid.c \ unistd/setpgrp.c \ unistd/sigblock.c \ unistd/siginterrupt.c \ unistd/siglist.c \ unistd/signal.c \ unistd/sigsetmask.c \ unistd/sigsuspend.c \ unistd/sigwait.c \ unistd/sleep.c \ unistd/statfs.c \ unistd/strsignal.c \ unistd/sysconf.c \ unistd/syslog.c \ unistd/system.c \ unistd/tcgetpgrp.c \ unistd/tcsetpgrp.c \ unistd/time.c \ unistd/umount.c \ unistd/unlockpt.c \ unistd/usleep.c \ unistd/wait.c \ stdio/asprintf.c \ stdio/clrerr.c \ stdio/fclose.c \ stdio/fdopen.c \ stdio/feof.c \ stdio/ferror.c \ stdio/fflush.c \ stdio/fgetc.c \ stdio/fgetln.c \ stdio/fgetpos.c \ stdio/fgets.c \ stdio/fileno.c \ stdio/findfp.c \ stdio/flags.c \ stdio/flockfile.c \ stdio/fopen.c \ stdio/fprintf.c \ stdio/fpurge.c \ stdio/fputc.c \ stdio/fputs.c \ stdio/fread.c \ stdio/freopen.c \ stdio/fscanf.c \ stdio/fseek.c \ stdio/fsetpos.c \ stdio/ftell.c \ stdio/funopen.c \ stdio/fvwrite.c \ stdio/fwalk.c \ stdio/fwrite.c \ stdio/getc.c \ stdio/getchar.c \ stdio/gets.c \ stdio/makebuf.c \ stdio/mktemp.c \ stdio/printf.c \ stdio/putc.c \ stdio/putchar.c \ stdio/puts.c \ stdio/putw.c \ stdio/refill.c \ stdio/remove.c \ stdio/rewind.c \ stdio/rget.c \ stdio/scanf.c \ stdio/setbuf.c \ stdio/setbuffer.c \ stdio/setvbuf.c \ stdio/snprintf.c\ stdio/sprintf.c \ stdio/sscanf.c \ stdio/stdio.c \ stdio/tempnam.c \ stdio/tmpfile.c \ stdio/tmpnam.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 \ stdio/wsetup.c \ stdlib/_rand48.c \ stdlib/assert.c \ stdlib/atexit.c \ stdlib/atoi.c \ stdlib/atol.c \ stdlib/atoll.c \ stdlib/bsearch.c \ stdlib/ctype_.c \ stdlib/div.c \ stdlib/exit.c \ stdlib/getenv.c \ stdlib/jrand48.c \ stdlib/ldiv.c \ stdlib/lldiv.c \ stdlib/locale.c \ stdlib/lrand48.c \ stdlib/mrand48.c \ stdlib/nrand48.c \ stdlib/putenv.c \ stdlib/qsort.c \ stdlib/seed48.c \ stdlib/setenv.c \ stdlib/setjmperr.c \ stdlib/srand48.c \ stdlib/strntoimax.c \ stdlib/strntoumax.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 \ stdlib/wchar.c \ string/bcopy.c \ string/index.c \ string/memccpy.c \ string/memchr.c \ string/memmem.c \ string/memmove.c.arm \ string/memrchr.c \ string/memswap.c \ string/strcasecmp.c \ string/strcasestr.c \ string/strcat.c \ string/strchr.c \ string/strcmp.c \ string/strcoll.c \ string/strcpy.c \ string/strcspn.c \ string/strdup.c \ string/strerror.c \ string/strerror_r.c \ string/strlcat.c \ string/strlcpy.c \ string/strncat.c \ string/strncmp.c \ string/strncpy.c \ string/strndup.c \ string/strnlen.c \ string/strpbrk.c \ string/strrchr.c \ string/strsep.c \ string/strspn.c \ string/strstr.c \ string/strtok.c \ string/strtotimeval.c \ string/strxfrm.c \ inet/bindresvport.c \ inet/inet_addr.c \ inet/inet_aton.c \ inet/inet_ntoa.c \ inet/inet_ntop.c \ inet/inet_pton.c \ tzcode/asctime.c \ tzcode/difftime.c \ tzcode/localtime.c \ tzcode/strftime.c \ tzcode/strptime.c \ bionic/__errno.c \ bionic/__set_errno.c \ bionic/_rand48.c \ bionic/arc4random.c \ bionic/basename.c \ bionic/basename_r.c \ bionic/dirname.c \ bionic/dirname_r.c \ bionic/drand48.c \ bionic/erand48.c \ bionic/fork.c \ bionic/if_nametoindex.c \ bionic/if_indextoname.c \ bionic/ioctl.c \ bionic/ldexp.c \ bionic/libc_init_common.c \ bionic/logd_write.c \ bionic/md5.c \ bionic/pututline.c \ bionic/realpath.c \ bionic/semaphore.c \ bionic/sha1.c \ bionic/ssp.c \ bionic/stubs.c \ bionic/system_properties.c \ bionic/time64.c \ bionic/thread_atexit.c \ bionic/utime.c \ bionic/utmp.c \ netbsd/gethnamaddr.c \ netbsd/isc/ev_timers.c \ netbsd/isc/ev_streams.c \ netbsd/inet/nsap_addr.c \ netbsd/resolv/__dn_comp.c \ netbsd/resolv/__res_close.c \ netbsd/resolv/__res_send.c \ netbsd/resolv/herror.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_state.c.arm \ netbsd/resolv/res_cache.c \ netbsd/net/nsdispatch.c \ netbsd/net/getaddrinfo.c \ netbsd/net/getnameinfo.c \ netbsd/net/getservbyname.c \ netbsd/net/getservent.c \ netbsd/net/base64.c \ netbsd/net/getservbyport.c \ netbsd/nameser/ns_name.c \ netbsd/nameser/ns_parse.c \ netbsd/nameser/ns_ttl.c \ netbsd/nameser/ns_netint.c \ netbsd/nameser/ns_print.c \ netbsd/nameser/ns_samedomain.c # Architecture specific source files go here # ========================================================= ifeq ($(TARGET_ARCH),arm) libc_common_src_files += \ bionic/eabi.c \ arch-arm/bionic/__get_pc.S \ arch-arm/bionic/__get_sp.S \ arch-arm/bionic/_exit_with_stack_teardown.S \ arch-arm/bionic/_setjmp.S \ arch-arm/bionic/atomics_arm.S \ arch-arm/bionic/clone.S \ arch-arm/bionic/ffs.S \ arch-arm/bionic/kill.S \ arch-arm/bionic/libgcc_compat.c \ arch-arm/bionic/tkill.S \ arch-arm/bionic/memcmp.S \ arch-arm/bionic/memcmp16.S \ arch-arm/bionic/memcpy.S \ arch-arm/bionic/memset.S \ arch-arm/bionic/setjmp.S \ arch-arm/bionic/sigsetjmp.S \ arch-arm/bionic/strlen.c.arm \ arch-arm/bionic/syscall.S \ unistd/socketcalls.c # These files need to be arm so that gdbserver # can set breakpoints in them without messing # up any thumb code. libc_common_src_files += \ bionic/pthread.c.arm \ bionic/pthread-timers.c.arm \ bionic/ptrace.c.arm # these are used by the static and dynamic versions of the libc # respectively libc_arch_static_src_files := \ arch-arm/bionic/exidx_static.c libc_arch_dynamic_src_files := \ arch-arm/bionic/exidx_dynamic.c else # !arm ifeq ($(TARGET_ARCH),x86) libc_common_src_files += \ arch-x86/bionic/__get_sp.S \ arch-x86/bionic/__get_tls.c \ arch-x86/bionic/__set_tls.c \ arch-x86/bionic/atomics_x86.S \ arch-x86/bionic/clone.S \ arch-x86/bionic/_exit_with_stack_teardown.S \ arch-x86/bionic/setjmp.S \ arch-x86/bionic/_setjmp.S \ arch-x86/bionic/vfork.S \ arch-x86/string/bzero.S \ arch-x86/string/memset.S \ arch-x86/string/memcmp.S \ arch-x86/string/memcpy.S \ arch-x86/string/strlen.S \ bionic/pthread.c \ bionic/pthread-timers.c \ bionic/ptrace.c # this is needed for static versions of libc libc_arch_static_src_files := \ arch-x86/bionic/dl_iterate_phdr_static.c libc_arch_dynamic_src_files := endif # x86 endif # !arm # Define some common cflags # ======================================================== libc_common_cflags := \ -DWITH_ERRLIST \ -DANDROID_CHANGES \ -DUSE_LOCKS \ -DREALLOC_ZERO_BYTES_FREES \ -D_LIBC=1 \ -DSOFTFLOAT \ -DFLOATING_POINT \ -DNEED_PSELECT=1 \ -DINET6 \ -I$(LOCAL_PATH)/private \ -DUSE_DL_PREFIX ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true) libc_common_cflags += -DDEBUG endif ifeq ($(TARGET_ARCH),arm) libc_common_cflags += -fstrict-aliasing libc_crt_target_cflags := -mthumb-interwork # # Define HAVE_ARM_TLS_REGISTER macro to indicate to the C library # that it should access the hardware TLS register directly in # private/bionic_tls.h # # The value must match your kernel configuration # ifeq ($(ARCH_ARM_HAVE_TLS_REGISTER),true) libc_common_cflags += -DHAVE_ARM_TLS_REGISTER endif else # !arm ifeq ($(TARGET_ARCH),x86) libc_crt_target_cflags := -m32 endif # x86 endif # !arm # Define some common includes # ======================================================== libc_common_c_includes := \ $(LOCAL_PATH)/stdlib \ $(LOCAL_PATH)/string \ $(LOCAL_PATH)/stdio # Define the libc run-time (crt) support object files that must be built, # which are needed to build all other objects (shared/static libs and # executables) # ========================================================================== ifeq ($(TARGET_ARCH),x86) # we only need begin_so/end_so for x86, since it needs an appropriate .init # section in the shared library with a function to call all the entries in # .ctors section. ARM uses init_array, and does not need the function. GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_so.S @mkdir -p $(dir $@) $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $< ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtend_so.S @mkdir -p $(dir $@) $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $< ALL_GENERATED_SOURCES += $(GEN) endif # TARGET_ARCH == x86 GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_static.S @mkdir -p $(dir $@) $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $< ALL_GENERATED_SOURCES += $(GEN) GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin_dynamic.S @mkdir -p $(dir $@) $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $< ALL_GENERATED_SOURCES += $(GEN) # We rename crtend.o to crtend_android.o to avoid a # name clash between gcc and bionic. GEN := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o $(GEN): $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtend.S @mkdir -p $(dir $@) $(TARGET_CC) $(libc_crt_target_cflags) -o $@ -c $< 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)) # ======================================================== # libc_common.a # ======================================================== include $(CLEAR_VARS) LOCAL_SRC_FILES := $(libc_common_src_files) LOCAL_CFLAGS := $(libc_common_cflags) LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := 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 calling # the user wants to provide their own malloc implementation, # or wants to explicitly disallow the use of the use of malloc, # like the dynamic loader. include $(CLEAR_VARS) LOCAL_SRC_FILES := \ $(libc_arch_static_src_files) \ bionic/libc_init_static.c LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_CFLAGS := $(libc_common_cflags) LOCAL_MODULE := libc_nomalloc 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) \ bionic/dlmalloc.c \ bionic/malloc_debug_common.c \ bionic/libc_init_static.c LOCAL_CFLAGS := $(libc_common_cflags) \ -DLIBC_STATIC LOCAL_C_INCLUDES := $(libc_common_c_includes) LOCAL_MODULE := libc 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_C_INCLUDES := $(libc_common_c_includes) LOCAL_SRC_FILES := \ $(libc_arch_dynamic_src_files) \ bionic/dlmalloc.c \ bionic/malloc_debug_common.c \ bionic/libc_init_dynamic.c LOCAL_MODULE:= libc # 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_C_INCLUDES := $(libc_common_c_includes) LOCAL_SRC_FILES := \ bionic/malloc_debug_leak.c LOCAL_MODULE:= libc_malloc_debug_leak LOCAL_SHARED_LIBRARIES := libc LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := # Don't prelink LOCAL_PRELINK_MODULE := false # 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_C_INCLUDES := $(libc_common_c_includes) LOCAL_SRC_FILES := \ bionic/malloc_debug_qemu.c LOCAL_MODULE:= libc_malloc_debug_qemu LOCAL_SHARED_LIBRARIES := libc LOCAL_WHOLE_STATIC_LIBRARIES := libc_common LOCAL_SYSTEM_SHARED_LIBRARIES := # Don't prelink LOCAL_PRELINK_MODULE := false # Don't install on release build LOCAL_MODULE_TAGS := eng debug include $(BUILD_SHARED_LIBRARY) endif #!user # ======================================================== include $(call all-makefiles-under,$(LOCAL_PATH))