Update to 2.1.x development version cvs/libc-970218 cvs/libc-970217 cvs/libc-970216 cvs/libc-970215

1997-02-15 02:41  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp-help.c: Gettextize sources.
	* argp/argp-parse.c: Likewise.

1997-02-13 22:32  Ulrich Drepper  <drepper@cygnus.com>

	* features.h (__GLIBC_MINOR__): Bump to 1.

	* xlocale.h: New file.  Wrapper around locale/xlocale.h.
	* Makefile (distribute): Add xlocale.h.
	* locale/Makefile (routines): Add ctype_l.
	* locale/ctype-extn.c: Update copyright. De-ANSI-declfy.
	Add __isblank_l, __toascii_l and __isascii_l.
	* ctype/ctype.h: Add definitions and declarations for *_l functions.
	* locale/Makefile (headers): Add xlocale.h.
	(routines): Add newlocale, duplocale, and freelocale.
	* locale/localeinfo.h (MAX_USAGE_COUNT): New macro.
	(struct locale_data): Add new fields mmaped and usage_count.
	Correct various declarations.
	* locale/C-collate.c: Define value for new fields mmaped and
	usage_count.
	* locale/C-ctype.c: Likewise.
	* locale/C-messages.c: Likewise.
	* locale/C-monetary.c: Likewise.
	* locale/C-numeric.c: Likewise.
	* locale/C-time.c: Likewise.
	* locale/loadlocale.c (_nl_load_locale): Initialize mmaped and
	usage_count fields.
	* locale/locale.h: Don't define locale_t here (moved to xlocale.h).
	Correct prototypes for __newlocale and __freelocale.
	Add prototype for __duplocale.
	* locale/findlocale.c (copy): Remove function.  Use __strdup instead.
	(_nl_remove_locale): New function.
	* locale/nl_langinfo.c: Don't declare locale_data objects as const.
	* locale/setlocale.c: Likewise.
	* locale/weight.h: Change for use with locale objects.
	* locale/xlocale.h: New file.  Define __locale_t type.
	* locale/newlocale.c: New file.  Create new locale object.
	* locale/freelocale.c: New file.  Destroy locale object.
	* locale/duplocale.c: New file.  Create copy of locale object.
	* stdlib/Makefile (routines): Add strfmon_l.
	* stdlib/monetary.h [__USE_GNU]: Declare __strfmon_l.
	* stdlib/strfmon.c: Add support for use in extended locale model.
	* stdlib/strfmon_l.c: New file.
	* string/Makefile (routines): Add strcoll_l and strxfrm_l.
	* string/strcoll.c: Change for use in extended locale model.
	* string/strxfrm.c: Likewise.
	* string/strcoll_l.c: New file.  Implement __strcoll_l function.
	* string/strxfrm_l.c: New file.  Implement __strxfrm_l function.
	* wcsmbs/Makefile (routines): Add wcscoll_l and wcsxfrm_l.
	* wcsmbs/wchar.h [__USE_GNU]: Declare wcscoll_l and wcsxfrm_l.
	* wcsmbs/wcscoll.c: Change for use in extended locale model.
	* wcsmbs/wcscoll_l.c: New file.  Implement __wcscoll_l function.
	* wcsmbs/wcsxfrm_l.c: New file.  Implement __wcsxfrm_l function.
	* wctype/Makefile (routines): Add wcextra, wcfuncs_l, iswctype_l,
	and towctrans_l.
	* wctype/cname-lookup.h: Prepare for use in extended locale model.
	* wctype/iswctype_l.c: New file.  Implement character classification
	functions for use with locale objects.
	* wctype/wctype.h: Declare functions for use with locale objects.
	* wctype/towctrans_l.c: New file.  Implement __towctrans_l function
	for use with locale objects.
	* wctype/wcfuncs_l.c: New file.  Implement wide character
	classification functions for use with locale objects.
	* wctype/wcextra.c: New file.  Implement real functions for
	non-standard classification functions.

	* elf/ldd.bash.in: Don't use --data-relocs and --function-relocs
	parameters to ld.so.  Use environment variables.
	* elf/ldd.sh.in: Likewise.
	* elf/rtld.c: Remove handling of --data-relocs and --function-relocs
	options.  Instead read environment variables.

	* elf/link.h (receiver_fct): Add new argument to take error code.
	* elf/dl-error.c (_dl_signal_error): Call receiver function with
	another argument.

	* elf/dl-object.c (_dl_new_object): Create new object with list of
	names in l_libname member.
	* elf/dl-load.c (_dl_map_object_from_fd): Add name which was used to
	find to object to the list in the link_map variable.
	(_dl_map_object): Use _dl_does_name_match_p to compare with all
	available names of the object.
	Optimize handling of LD_LIBRARY_PATH a bit.
	* elf/rtld.c: Initialize l_libname member of _dl_rtld_map.

	* elf/dl-lookup.c (_dl_elf_hash): Optimize function.

	* elf/Makefile (routines): Add dl-version.
	* elf/link.h (hash_name_pair): New type.  Group pointer to string
	and its hash value.
	(struct link_map): Change l_libname member to be a list of names,
	not a single pointer to a name.
	Add new members l_nversions and l_versions.
	(_dl_does_name_match_p): New function to test for all names of an
	object.
	Add prototypes for new lookup and versioning functions.
	* elf/dl-lookup.c (do_lookup): Add new argument and handle case
	when versioned symbol is requested.
	(_dl_lookup_symbol): Call do_lookup with another argument.
	(_dl_lookup_symbol_skip): Likewise.
	(_dl_lookup_versioned_symbol): New function.  Handle lookup of
	versioned symbol.
	(_dl_lookup_versioned_symbol_skip): Likewise, similar to
	_dl_lookup_symbol_skip.
	* elf/dl-reloc.c (RESOLVE): Call _dl_lookup_versioned_symbol or
	_dl_lookup_symbol depending on availability of version information.
	* elf/dl-runtime.c (RESOLVE): Likewise.
	(fixup): Call elf_machine_relplt with additional argument to point
	to versioning information if available.
	* elf/do-rel.h (elf_dynamic_do_rel): Likewise.
	* elf/dl-open.c (_dl_open): Call _dl_check_map_versions to check
	for correct versions.
	* elf/dl-version.c: New file.  Check library versions and extract
	version information for easier access.
	* elf/dlfcn.h [__USE_GNU]: Add prototype for dlvsym.
	* elf/dlvsym.c: New file.  Implementation of function similar to
	dlsym, but looks for versioned symbol.
	* elf/elf.h: Add types and macros for versioning.
	* elf/rtld.c (dl_main): Check availability of needed versions.
	* sysdeps/alpha/dl-machine.h (elf_machine_rela): Add additional
	argument for version information.  Call RESOLVE with additional
	argument.
	* sysdeps/i386/dl-machine.h: Likewise.
	* sysdeps/m68k/dl-machine.h: Likewise.
	* sysdeps/mips/dl-machine.h: Likewise.

	* elf/dlerror.c: Change comment to align with guidelines.
	* elf/dlopen.c: Likewise.
	* elf/dlsym.c: Likewise.

	* locale/programs/localedef.c: Implement --quiet option.
	* locale/programs/charset.h: Declare be_quiet variable.
	* locale/programs/locfile.h: Likewise.
	* locale/programs/charmap.c: Don't print warnings if quiet option
	was given.
	* locale/programs/ld-collate.c: Likewise.
	* locale/programs/ld-ctype.c: Likewise.
	* locale/programs/ld-messages.c: Likewise.
	* locale/programs/ld-monetary.c: Likewise.
	* locale/programs/ld-numeric.c: Likewise.
	* locale/programs/ld-time.c: Likewise.
	* locale/programs/locfile.c: Likewise.

	* Makefile (subdirs): Add argp.

	* catgets/catgets.c (catopen): Little code improvement.

	* posix/execl.c: Remove restriction to 1024 arguments.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.

	* posix/getopt.c [_LIBC]: Define global objects with __ prefix
	and make regular names weak aliases.
	* posix/getopt1.c: Likewise.
	* posix/getopt.h [_LIBC]: Provide prototypes and declarations for
	__ protected forms.

	* posix/unistd.h: Add prototype for __sleep.
	* sysdeps/mach/sleep.c: Make sleep weak alias of __sleep.
	* sysdeps/posix/sleep.c: Likewise.
	* sysdeps/stub/sleep.c: Likewise.
	* sysdeps/unix/sysv/linux/sleep.c: Likewise.

	* ctype/ctype-info.c: Update copyright.
	* ctype/ctype.c: Likewise.
	* ctype/test_ctype.c: Likewise.
	* dirent/alphasort.c: Likewise.
	* dirent/list.c: Likewise.
	* gmon/bb_exit_func.c: Likewise.
	* grp/fgetgrent.c: Likewise.
	* grp/getgrent.c: Likewise.
	* grp/getgrent_r.c: Likewise.
	* grp/getgrgid.c: Likewise.
	* grp/getgrgid_r.c: Likewise.
	* grp/getgrnam.c: Likewise.
	* grp/getgrnam_r.c: Likewise.
	* hurd/alloc-fd.c: Likewise.
	* hurd/catch-exc.c: Likewise.
	* hurd/ctty-input.c: Likewise.
	* hurd/ctty-output.c: Likewise.
	* hurd/dtable.c: Likewise.
	* hurd/fchroot.c: Likewise.
	* hurd/fd-close.c: Likewise.
	* hurd/fd-read.c: Likewise.
	* hurd/fd-write.c: Likewise.
	* hurd/fopenport.c: Likewise.
	* hurd/get-host.c: Likewise.
	* hurd/getdport.c: Likewise.
	* hurd/getuids.c: Likewise.
	* hurd/getumask.c: Likewise.
	* hurd/hurd-raise.c: Likewise.
	* hurd/hurd.h: Likewise.
	* hurd/hurdauth.c: Likewise.
	* hurd/hurdexec.c: Likewise.
	* hurd/hurdhost.h: Likewise.
	* hurd/hurdid.c: Likewise.
	* hurd/hurdinit.c: Likewise.
	* hurd/hurdioctl.c: Likewise.
	* hurd/hurdkill.c: Likewise.
	* hurd/hurdlookup.c: Likewise.
	* hurd/hurdmsg.c: Likewise.
	* hurd/hurdpid.c: Likewise.
	* hurd/hurdports.c: Likewise.
	* hurd/hurdprio.c: Likewise.
	* hurd/hurdrlimit.c: Likewise.
	* hurd/hurdsock.c: Likewise.
	* hurd/hurdstartup.c: Likewise.
	* hurd/hurdstartup.h: Likewise.
	* hurd/intern-fd.c: Likewise.
	* hurd/intr-msg.c: Likewise.
	* hurd/intr-rpc.defs: Likewise.
	* hurd/intr-rpc.h: Likewise.
	* hurd/msgportdemux.c: Likewise.
	* hurd/new-fd.c: Likewise.
	* hurd/openport.c: Likewise.
	* hurd/pid2task.c: Likewise.
	* hurd/port-cleanup.c: Likewise.
	* hurd/port2fd.c: Likewise.
	* hurd/ports-get.c: Likewise.
	* hurd/ports-set.c: Likewise.
	* hurd/privports.c: Likewise.
	* hurd/report-wait.c: Likewise.
	* hurd/set-host.c: Likewise.
	* hurd/setauth.c: Likewise.
	* hurd/setuids.c: Likewise.
	* hurd/siginfo.c: Likewise.
	* hurd/sigunwind.c: Likewise.
	* hurd/task2pid.c: Likewise.
	* hurd/thread-cancel.c: Likewise.
	* hurd/thread-self.c: Likewise.
	* hurd/vpprintf.c: Likewise.
	* hurd/hurd/fd.h: Likewise.
	* hurd/hurd/id.h: Likewise.
	* hurd/hurd/ioctl.h: Likewise.
	* hurd/hurd/lookup.h: Likewise.
	* hurd/hurd/port.h: Likewise.
	* hurd/hurd/resource.h: Likewise.
	* hurd/hurd/threadvar.h: Likewise.
	* hurd/hurd/userlink.h: Likewise.
	* inet/ether_aton.c: Likewise.
	* inet/ether_aton_r.c: Likewise.
	* inet/ether_ntoa.c: Likewise.
	* inet/ether_ntoa_r.c: Likewise.
	* inet/gethstbyad.c: Likewise.
	* inet/gethstbyad_r.c: Likewise.
	* inet/gethstent.c: Likewise.
	* inet/getnetbyad.c: Likewise.
	* inet/getnetbyad_r.c: Likewise.
	* inet/getnetbynm.c: Likewise.
	* inet/getnetbynm_r.c: Likewise.
	* inet/getnetent.c: Likewise.
	* inet/getnetent_r.c: Likewise.
	* inet/getproto.c: Likewise.
	* inet/getproto_r.c: Likewise.
	* inet/getprtent.c: Likewise.
	* inet/getprtent_r.c: Likewise.
	* inet/getprtname.c: Likewise.
	* inet/getrpcbyname.c: Likewise.
	* inet/getrpcbyname_r.c: Likewise.
	* inet/getrpcbynumber.c: Likewise.
	* inet/getrpcbynumber_r.c: Likewise.
	* inet/getrpcent.c: Likewise.
	* inet/getrpcent_r.c: Likewise.
	* inet/getservent.c: Likewise.
	* inet/getservent_r.c: Likewise.
	* inet/getsrvbynm.c: Likewise.
	* inet/getsrvbynm_r.c: Likewise.
	* inet/getsrvbypt.c: Likewise.
	* inet/getsrvbypt_r.c: Likewise.
	* inet/herrno.c: Likewise.
	* inet/netgroup.h: Likewise.
	* ient/netinet/ether.h: Likewise.
	* intl/bindtextdom.c: Likewise.
	* intl/dcgettext.c: Likewise.
	* intl/dgettext.c: Likewise.
	* intl/gettext.c: Likewise.
	* intl/gettext.h: Likewise.
	* intl/gettextP.h: Likewise.
	* intl/hash-string.h: Likewise.
	* intl/loadmsgcat.c: Likewise.
	* intl/localealias.c: Likewise.
	* intl/textdomain.c: Likewise.
	* io/creat.c: Likewise.
	* io/getdirname.c: Likewise.
	* io/lockf.c: Likewise.
	* io/pwd.c: Likewise.
	* io/test-utime.c: Likewise.
	* locale/categories.def: Likewise.
	* locale/codeset_name.c: Likewise.
	* locale/lc-collate.c: Likewise.
	* locale/lc-ctype.c: Likewise.
	* locale/lc-messages.c: Likewise.
	* locale/lc-monetary.c: Likewise.
	* locale/lc-numeric.c: Likewise.
	* locale/lc-time.c: Likewise.
	* locale/loadlocale.c: Likewise.
	* locale/localeconv.c: Likewise.
	* locale/nl_langinfo.c: Likewise.
	* locale/setlocale.c: Likewise.
	* locale/strlen-hash.h: Likewise.
	* locale/programs/charmap-kw.gperf: Likewise.
	* locale/programs/charmap-kw.h: Likewise.
	* locale/programs/charset.c: Likewise.
	* locale/programs/ld-ctype.c: Likewise.
	* locale/programs/ld-messages.c: Likewise.
	* locale/programs/ld-monetary.c: Likewise.
	* locale/programs/linereader.h: Likewise.
	* locale/programs/locale-spec.c: Likewise.
	* locale/programs/locales.h: Likewise.
	* locale/programs/locfile-kw.gperf: Likewise.
	* locale/programs/locfile-kw.h: Likewise.
	* locale/programs/locfile-token.h: Likewise.
	* locale/programs/simple-hash.h: Likewise.
	* locale/programs/stringtrans.c: Likewise.
	* locale/programs/stringtrans.h: Likewise.
	* login/logout.c: Likewise.
	* mach/bootprivport.c: Likewise.
	* mach/devstream.c: Likewise.
	* mach/hello.c: Likewise.
	* mach/mach.h: Likewise.
	* mach/mach_init.c: Likewise.
	* mach/mach_init.h: Likewise.
	* mach/mig-alloc.c: Likewise.
	* mach/mig-dealloc.c: Likewise.
	* mach/mutex-init.c: Likewise.
	* mach/mutex-solid.c: Likewise.
	* mach/setup-thread.c: Likewise.
	* mach/spin-lock.h: Likewise.
	* mach/spin-solid.c: Likewise.
	* mach/mach/mig_support.h: Likewise.
	* md5-crypt/md5-crypt.c: Likewise.
	* misc/nlist.h: Likewise.
	* nss/nss_files/files-ether.c: Likewise.
	* posix/confstr.c: Likewise.
	* posix/execl.c: Likewise.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.
	* posix/execv.c: Likewise.
	* posix/execvp.c: Likewise.
	* posix/fnmatch.c: Likewise.
	* posix/getopt.c: Likewise.
	* posix/getopt.h: Likewise.
	* posix/getopt1.c: Likewise.
	* posix/id.c: Likewise.
	* posix/regex.c: Likewise.
	* posix/setpgrp.c: Likewise.
	* posix/unistd.h: Likewise.
	* posix/wordexp.c: Likewise.
	* pwd/fgetpwent.c: Likewise.
	* pwd/getpwent.c: Likewise.
	* pwd/getpwent_r.c: Likewise.
	* pwd/getpwnam.c: Likewise.
	* pwd/getpwnam_r.c: Likewise.
	* pwd/getpwuid.c: Likewise.
	* pwd/getpwuid_r.c: Likewise.
	* pwd/putpwent.c: Likewise.
	* resolv/gethnamaddr.c: Likewise.
	* resolv/res_hconf.c: Likewise.
	* resolv/res_hconf.h: Likewise.
	* setjmp/longjmp.c: Likewise.
	* setjmp/sigjmp.c: Likewise.
	* setjmp/tst-setjmp.c: Likewise.
	* stdio/clearerr.c: Likewise.
	* stdio/ferror.c: Likewise.
	* stdio/fgetc.c: Likewise.
	* stdio/fgetpos.c: Likewise.
	* stdio/fgets.c: Likewise.
	* stdio/fileno.c: Likewise.
	* stdio/fmemopen.c: Likewise.
	* stdio/fopen.c: Likewise.
	* stdio/fopncook.c: Likewise.
	* stdio/fputc.c: Likewise.
	* stdio/fputs.c: Likewise.
	* stdio/fread.c: Likewise.
	* stdio/freopen.c: Likewise.
	* stdio/fseek.c: Likewise.
	* stdio/fsetpos.c: Likewise.
	* stdio/ftell.c: Likewise.
	* stdio/fwrite.c: Likewise.
	* stdio/getchar.c: Likewise.
	* stdio/getdelim.c: Likewise.
	* stdio/gets.c: Likewise.
	* stdio/glue.c: Likewise.
	* stdio/internals.c: Likewise.
	* stdio/linewrap.c: Likewise.
	* stdio/linewrap.h: Likewise.
	* stdio/memstream.c: Likewise.
	* stdio/newstream.c: Likewise.
	* stdio/putchar.c: Likewise.
	* stdio/puts.c: Likewise.
	* stdio/rewind.c: Likewise.
	* stdio/setbuf.c: Likewise.
	* stdio/setbuffer.c: Likewise.
	* stdio/setlinebuf.c: Likewise.
	* stdio/setvbuf.c: Likewise.
	* stdio/ungetc.c: Likewise.
	* stdio/vasprintf.c: Likewise.
	* stdio/vscanf.c: Likewise.
	* stdio/vsnprintf.c: Likewise.
	* stdio/vsprintf.c: Likewise.
	* stdio/vsscanf.c: Likewise.
	* stdio-common/asprintf.c: Likewise.
	* stdio-common/dprintf.c: Likewise.
	* stdio-common/errnobug.c: Likewise.
	* stdio-common/fprintf.c: Likewise.
	* stdio-common/getline.c: Likewise.
	* stdio-common/getw.c: Likewise.
	* stdio-common/perror.c: Likewise.
	* stdio-common/psignal.c: Likewise.
	* stdio-common/putw.c: Likewise.
	* stdio-common/reg-printf.c: Likewise.
	* stdio-common/scanf.c: Likewise.
	* stdio-common/snprintf.c: Likewise.
	* stdio-common/sprintf.c: Likewise.
	* stdio-common/tempnam.c: Likewise.
	* stdio-common/test_rdwr.c: Likewise.
	* stdio-common/tst-fileno.c: Likewise.
	* stdio-common/tst-printf.c: Likewise.
	* stdio-common/tstgetln.c: Likewise.
	* stdio-common/vprintf.c: Likewise.
	* stdlib/drand48.c: Likewise.
	* stdlib/drand48_r.c: Likewise.
	* stdlib/erand48.c: Likewise.
	* stdlib/erand48_r.c: Likewise.
	* stdlib/exit.h: Likewise.
	* stdlib/strtoq.c: Likewise.
	* stdlib/strtoul.c: Likewise.
	* stdlib/strtouq.c: Likewise.
	* stdlib/test-canon.c: Likewise.
	* stdlib/testdiv.c: Likewise.
	* stdlib/testrand.c: Likewise.
	* string/argz-append.c: Likewise.
	* string/argz-count.c: Likewise.
	* string/argz-create.c: Likewise.
	* string/argz-ctsep.c: Likewise.
	* string/argz-delete.c: Likewise.
	* string/argz-extract.c: Likewise.
	* string/argz-insert.c: Likewise.
	* string/argz-next.c: Likewise.
	* string/argz-stringify.c: Likewise.
	* string/basename.c: Likewise.
	* string/envz.c: Likewise.
	* string/memfrob.c: Likewise.
	* string/strcoll.c: Likewise.
	* string/strdup.c: Likewise.
	* string/string.h: Likewise.
	* string/strndup.c: Likewise.
	* string/strnlen.c: Likewise.
	* string/strsignal.c: Likewise.
	* string/strxfrm.c: Likewise.
	* string/test-ffs.c: Likewise.
	* string/testcopy.c: Likewise.
	* sysdeps/generic/enbl-secure.c: Likewise.
	* sysdeps/generic/memcopy.h: Likewise.
	* sysdeps/generic/stpncpy.c: Likewise.
	* sysdeps/generic/strcasecmp.c: Likewise.
	* sysdeps/generic/strcat.c: Likewise.
	* sysdeps/generic/strchr.c: Likewise.
	* sysdeps/generic/strcpy.c: Likewise.
	* sysdeps/generic/strcspn.c: Likewise.
	* sysdeps/generic/strlen.c: Likewise.
	* sysdeps/generic/strncase.c: Likewise.
	* sysdeps/generic/strncat.c: Likewise.
	* sysdeps/generic/strncpy.c: Likewise.
	* sysdeps/generic/strpbrk.c: Likewise.
	* sysdeps/generic/strsep.c: Likewise.
	* sysdeps/generic/strspn.c: Likewise.
	* sysdeps/generic/strstr.c: Likewise.
	* sysdeps/generic/strtok.c: Likewise.
	* sysdeps/generic/strtok_r.c: Likewise.
	* sysdeps/mach/sleep.c: Likewise.
	* sysdeps/posix/sleep.c: Likewise.
	* sysdeps/stub/sleep.c: Likewise.
	* time/date.c: Likewise.
	* time/test_time.c: Likewise.
	* wcsmbs/wmemcpy.c: Likewise.
	* wctye/test_wctype.c: Likewise.
	* wctye/towctrans.c: Likewise.
	* wctye/wcfuncs.c: Likewise.
	* wctye/wctrans.c: Likewise.

1997-02-13 22:15  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/Makefile: New file.
	* argp/argp.h: Likewise.
	* argp/argp-ba.c: Likewise.
	* argp/argp-fmtstream.c: Likewise.
	* argp/argp-fmtstream.h: Likewise.
	* argp/argp-fs-xinl.c: Likewise.
	* argp/argp-help.c: Likewise.
	* argp/argp-namefrob.h: Likewise.
	* argp/argp-parse.c: Likewise.
	* argp/argp-pv.c: Likewise.
	* argp/argp-pvh.c: Likewise.
	* argp/argp-test.c: Likewise.
	* argp/argp-xinl.c: Likewise.

	* libio/_G_config.h: Make sure wint_t is also defined for old gcc
1997-02-09 04:35  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/_itoa.h: Update copyright.

1 files changed, 62 insertions, 4 deletions

diff --git a/elf/link.h b/elf/link.h
index b05ecca199..58041332e9 100644
--- a/elf/link.h
+++ b/elf/link.h
@@ -74,6 +74,13 @@ extern struct r_debug _r_debug;
 
 extern ElfW(Dyn) _DYNAMIC[];
 
+/* For the version handling we need an array with only names and their
+   hash values.  */
+typedef struct
+{
+  const char *name;
+  ElfW(Word) hash;
+} hash_name_pair;
 
 /* Structure describing a loaded shared object.  The `l_next' and `l_prev'
    members form a chain of all the shared objects loaded at startup.
@@ -94,7 +101,11 @@ struct link_map
     /* All following members are internal to the dynamic linker.
        They may change without notice.  */
 
-    const char *l_libname;	/* Name requested (before search).  */
+    struct libname_list
+      {
+	const char *name;	/* Name requested (before search).  */
+	struct libname_list *next; /* Link to next name for this object.  */
+      } *l_libname;
     /* Indexed pointers to dynamic section.
        [0,DT_NUM) are indexed by the processor-independent tags.
        [DT_NUM,DT_NUM+DT_PROCNUM) are indexed by the tag minus DT_LOPROC.
@@ -139,13 +150,34 @@ struct link_map
     unsigned int l_init_running:1; /* Nonzero while DT_INIT function runs.  */
     unsigned int l_global:1;	/* Nonzero if object in _dl_global_scope.  */
     unsigned int l_reserved:2;	/* Reserved for internal use.  */
+
+    /* Array with version names.  */
+    unsigned int l_nversions;
+    hash_name_pair *l_versions;
   };
 
 
+/* Test whether given NAME matches any of the names of the given object.  */
+static inline int
+__attribute__ ((unused))
+_dl_does_name_match_p (const char *__name, struct link_map *__map)
+{
+  int __found = strcmp (__name, __map->l_name) == 0;
+  struct libname_list *__runp = __map->l_libname;
+
+  while (! __found && __runp != NULL)
+    if (strcmp (__name, __runp->name) == 0)
+      __found = 1;
+    else
+      __runp = __runp->next;
+
+  return __found;
+}
+
 /* Function used as argument for `_dl_receive_error' function.  The
-   arguments are the error string and the objname the error occurred
-   in.  */
-typedef void (*receiver_fct) (const char *, const char *);
+   arguments are the error code, error string, and the objname the
+   error occurred in.  */
+typedef void (*receiver_fct) (int, const char *, const char *);
 
 /* Internal functions of the run-time dynamic linker.
    These can be accessed if you link again the dynamic linker
@@ -264,6 +296,14 @@ extern ElfW(Addr) _dl_lookup_symbol (const char *undef,
 				     const char *reference_name,
 				     int flags);
 
+/* Lookup versioned symbol.  */
+extern ElfW(Addr) _dl_lookup_versioned_symbol (const char *undef,
+					       const ElfW(Sym) **sym,
+					       struct link_map *symbol_scope[],
+					       const char *reference_name,
+					       const hash_name_pair *version,
+					       int flags);
+
 /* For handling RTLD_NEXT we must be able to skip shared objects.  */
 extern ElfW(Addr) _dl_lookup_symbol_skip (const char *undef,
 					  const ElfW(Sym) **sym,
@@ -272,6 +312,16 @@ extern ElfW(Addr) _dl_lookup_symbol_skip (const char *undef,
 					  struct link_map *skip_this,
 					  int flags);
 
+/* For handling RTLD_NEXT with versioned symbols we must be able to
+   skip shared objects.  */
+extern ElfW(Addr) _dl_lookup_versioned_symbol_skip (const char *undef,
+						    const ElfW(Sym) **sym,
+						    struct link_map *symbol_scope[],
+						    const char *reference_name,
+						    const char *version_name,
+						    struct link_map *skip_this,
+						    int flags);
+
 /* Look up symbol NAME in MAP's scope and return its run-time address.  */
 extern ElfW(Addr) _dl_symbol_value (struct link_map *map, const char *name);
 
@@ -319,6 +369,14 @@ extern void _dl_relocate_object (struct link_map *map,
 				 struct link_map *scope[],
 				 int lazy);
 
+/* Check the version dependencies of all objects available through
+   MAP.  If VERBOSE print some more diagnostics.  */
+extern int _dl_check_all_versions (struct link_map *map, int verbose);
+
+/* Check the version dependencies for MAP.  If VERBOSE print some more
+   diagnostics.  */
+extern int _dl_check_map_versions (struct link_map *map, int verbose);
+
 /* Return the address of the next initializer function for MAP or one of
    its dependencies that has not yet been run.  When there are no more
    initializers to be run, this returns zero.  The functions are returned