diff options
Diffstat (limited to 'usr/klibc/Kbuild')
| -rw-r--r-- | usr/klibc/Kbuild | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/usr/klibc/Kbuild b/usr/klibc/Kbuild new file mode 100644 index 0000000..8b13219 --- /dev/null +++ b/usr/klibc/Kbuild @@ -0,0 +1,219 @@ +# +# Kbuild file for klibc +# + +# Tell that we are building klibc +export klibc-build := y + +# Generate syscall stubs +klib-y += syscalls/ +# Generate socket calls stubs +klib-y += socketcalls/ +# zlib, if configured +klib-$(CONFIG_KLIBC_ZLIB) += zlib/ +# arch specific .o files +klib-y += arch/$(KLIBCARCHDIR)/ + +klib-y += vsnprintf.o snprintf.o vsprintf.o sprintf.o \ + asprintf.o vasprintf.o \ + vsscanf.o sscanf.o ctypes.o \ + strntoumax.o strntoimax.o \ + atoi.o atol.o atoll.o \ + strtol.o strtoll.o strtoul.o strtoull.o \ + strtoimax.o strtoumax.o \ + globals.o exit.o atexit.o onexit.o \ + execl.o execle.o execv.o execvpe.o execvp.o execlp.o execlpe.o \ + fork.o vfork.o wait.o wait3.o waitpid.o system.o \ + setpgrp.o getpgrp.o daemon.o \ + printf.o vprintf.o fprintf.o vfprintf.o perror.o \ + statfs.o fstatfs.o umount.o \ + creat.o open.o openat.o \ + fread2.o fwrite2.o fgets.o fputc.o fputs.o puts.o putchar.o \ + clock_nanosleep.o nanosleep.o sleep.o usleep.o \ + strtotimespec.o strtotimeval.o \ + raise.o abort.o assert.o alarm.o pause.o \ + __signal.o sysv_signal.o bsd_signal.o siglist.o sigabbrev.o \ + siglongjmp.o \ + sigaction.o sigpending.o sigprocmask.o sigsuspend.o \ + pselect.o ppoll.o \ + pread.o pwrite.o \ + brk.o sbrk.o malloc.o realloc.o zalloc.o calloc.o \ + mmap.o shm_open.o shm_unlink.o \ + memcpy.o memcmp.o memset.o memccpy.o memmem.o memswap.o \ + memmove.o memchr.o memrchr.o bzero.o \ + strcasecmp.o strncasecmp.o strndup.o strerror.o strsignal.o \ + strcat.o strchr.o strcmp.o strcpy.o strdup.o strlen.o strnlen.o \ + strncat.o strlcpy.o strlcat.o \ + strstr.o strncmp.o strncpy.o strrchr.o \ + strxspn.o strspn.o strcspn.o strpbrk.o strsep.o strtok.o \ + strtok_r.o \ + fnmatch.o \ + gethostname.o getdomainname.o getcwd.o \ + seteuid.o setegid.o \ + getenv.o setenv.o putenv.o __put_env.o unsetenv.o \ + clearenv.o nullenv.o \ + getopt.o getopt_long.o readdir.o scandir.o alphasort.o remove.o \ + syslog.o closelog.o pty.o isatty.o reboot.o \ + gettimeofday.o settimeofday.o time.o \ + lseek.o nice.o getpriority.o \ + futimesat.o utime.o utimes.o \ + qsort.o bsearch.o \ + lrand48.o jrand48.o mrand48.o nrand48.o srand48.o seed48.o \ + inet/inet_ntoa.o inet/inet_aton.o inet/inet_addr.o \ + inet/inet_ntop.o inet/inet_pton.o inet/bindresvport.o \ + accept.o send.o recv.o \ + access.o chmod.o chown.o dup2.o mknod.o poll.o rename.o renameat.o \ + fstat.o fstatat.o lstat.o stat.o \ + lchown.o link.o rmdir.o unlink.o mkdir.o \ + readlink.o realpath.o select.o symlink.o pipe.o \ + ctype/isalnum.o ctype/isalpha.o ctype/isascii.o \ + ctype/isblank.o ctype/iscntrl.o ctype/isdigit.o \ + ctype/isgraph.o ctype/islower.o ctype/isprint.o \ + ctype/ispunct.o ctype/isspace.o ctype/isupper.o \ + ctype/isxdigit.o ctype/tolower.o ctype/toupper.o \ + userdb/getgrgid.o userdb/getgrnam.o userdb/getpwnam.o \ + userdb/getpwuid.o userdb/root_group.o userdb/root_user.o \ + setmntent.o endmntent.o getmntent.o \ + stdio/fclose.o stdio/fopen.o stdio/fdopen.o \ + stdio/fread.o stdio/fwrite.o stdio/fflush.o \ + stdio/ungetc.o stdio/fgetc.o \ + stdio/fseek.o stdio/ftell.o stdio/rewind.o \ + stdio/fileno.o stdio/feof.o stdio/ferror.o stdio/clearerr.o \ + sysconf/sysconf.o + +klib-$(CONFIG_KLIBC_ERRLIST) += errlist.o + +ifeq ($(CONFIG_KLIBC_ERRLIST),y) +KLIBCCFLAGS_strerror.o += -DWITH_ERRLIST +endif + +# These pass a huge maximum length to the corresponding length-limiting +# functions +KLIBCCFLAGS_sprintf.o += $(call cc-option,-Wno-format-truncation, ) +KLIBCCFLAGS_vsprintf.o += $(call cc-option,-Wno-format-truncation, ) + +# Clang 14 optimises zalloc() to recursively call calloc(), without +# this option +KLIBCCFLAGS_zalloc.o += $(call cc-option,-fno-builtin-malloc, ) + +# sigsuspend.c includes <klibc/havesyscall.h> generated by syscalls/ +# build, so require that to build first +$(obj)/sigsuspend.o: $(obj)/syscalls/klib.list + +##### +# Shared definitions +LIBC := libc.a +SOLIB := libc.so +SOHASH := klibc.so +CRT0 := arch/$(KLIBCARCHDIR)/crt0.o +SHARED_STUB := shared-stub.o + +always := $(LIBC) +ifdef KLIBCSHAREDFLAGS +always += $(SOLIB) $(SOHASH) $(SHARED_STUB) +endif +LIBC := $(call objectify,$(LIBC)) +SOLIB := $(call objectify,$(SOLIB)) +SOHASH := $(call objectify,$(SOHASH)) +CRT0 := $(call objectify,$(CRT0)) +SHARED_STUB := $(call objectify,$(SHARED_STUB)) + +SOLIBHASH = $(shell cat $(SOLIB).hash) + +##### +# Readable errormessages extracted from src.. +targets += errlist.c +quiet_cmd_errlist = GEN $@ + cmd_errlist = $(PERL) $< $(call flags,KLIBCCPPFLAGS) -errlist > $@ \ + || rm -f $@ + +$(obj)/errlist.c: $(srctree)/$(src)/makeerrlist.pl + $(call cmd,errlist) + + +# all .o files for all dirs +klib-o-files = $(shell cat $(obj)/klib.list \ + $(addsuffix /klib.list, $(klib-dirs))) +###### +# Build static library: libc.a +targets += libc.a __static_init.o +quiet_cmd_libc = KLIBCAR $@ + cmd_libc = rm -f $@; \ + $(KLIBCAR) Dcq $@ \ + $(call objectify,__static_init.o) $(klib-o-files); \ + $(KLIBCRANLIB) $@ + +$(LIBC): $(call objectify,__static_init.o) $(obj)/klib.list FORCE + $(call if_changed,libc) + +###### +# Build shared library +targets += libc.so __shared_init.o + +quiet_cmd_libcso = KLIBCLD $@ + cmd_libcso = $(KLIBCLD) $(KLIBCLDFLAGS) $(KLIBCSHAREDFLAGS) -o $@ \ + --start-group \ + $(CRT0) \ + $(call objectify,__shared_init.o) \ + $(klib-o-files) \ + $(KLIBCLIBGCC) \ + --end-group + +$(SOLIB): $(call objectify,__shared_init.o) $(obj)/klib.list FORCE + $(call if_changed,libcso) + + +##### +# Build sha1 hash values +targets += klibc.so libc.so.hash +hostprogs-y := sha1hash +clean-files += klibc-???????????????????????????.so + +quiet_cmd_solibhash = HASH $@ + cmd_solibhash = $(KLIBCNM) $< | egrep '^[0-9a-fA-F]+ [ADRTW] ' | \ + sort | $(obj)/sha1hash > $@ +$(SOLIB).hash: $(SOLIB) $(obj)/sha1hash FORCE + $(call if_changed,solibhash) + +quiet_cmd_sohash = GEN $@ + cmd_sohash = cat $< > $@; \ + $(KLIBCSTRIP) $(KLIBCSTRIPFLAGS) $@; \ + chmod a+x $@; \ + rm -f $(obj)/klibc-???????????????????????????.so; \ + ln -f $@ $(obj)/klibc-$(SOLIBHASH).so +$(SOHASH): $(SOLIB) $(SOLIB).hash + $(call cmd,sohash) + + +##### +# build shared-stub.o +targets += shared-stub.o + +quiet_cmd_interp = BUILD $@ + cmd_interp = $(KLIBCCC) $(klibccflags) -D__ASSEMBLY__ \ + -DLIBDIR=\"$(SHLIBDIR)\" \ + -DSOHASH=\"$(SOLIBHASH)\" \ + -c -o $@ $< + +$(SHARED_STUB): $(obj)/shared-stub.S $(SOLIB).hash + $(call if_changed,interp) + +##### +# Install klibc +install-rule: + @echo " INSTALL klibc to $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)lib" + $(Q)$(foreach f, $(LIBC) $(CRT0), \ + $(shell $(install-data) $(f) \ + $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)lib)) +ifdef KLIBCSHAREDFLAGS + $(Q)$(foreach f, $(SOLIB) $(SHARED_STUB), \ + $(shell $(install-data) $(f) \ + $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)lib)) + $(Q)$(install-lib) $(obj)/klibc-$(SOLIBHASH).so \ + $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)lib + $(Q)$(install-lib) $(obj)/klibc-$(SOLIBHASH).so \ + $(INSTALLROOT)$(SHLIBDIR) +endif + +# Directories to visit during clean and install +subdir- := arch/$(KLIBCARCHDIR)/ |