2004-07-05 Ulrich Drepper <drepper@redhat.com>
* elf/dl-init.c: Don't define and use _dl_starting_up if
HAVE_INLINED_SYSCALLS is defined and the variable is not used.
* elf/dl-support.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-misc.c (_dl_debug_vdprintf): Use writev syscall directly
if HAVE_INLINED_SYSCALLS is defined.
* sysdeps/powerpc/powerpc64/dl-machine.h: Don't rest _dl_starting_up
here.
* sysdeps/powerpc/powerpc32/dl-start.S: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Define HAVE_INLINED_SYSCALLS.
* config.h.in: Add entry for HAVE_INLINED_SYSCALLS.
* sysdeps/posix/profil.c: If compiled for ld.so, omit code which
is needed to stop profiling.
* elf/dl-open.c (dl_open_worker): If a newly opened object is to be
profile make sure it cannot be unloaded.
* sysdeps/unix/sysv/linux/dl-origin.c: Inline readlink syscall.
* sysdeps/unix/sysv/linux/fcntl.c: If compiled without cancellation
support, make sure the helper function is inlined.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Likewise.
* config.h.in: Add entry for HAVE_LIBIDN.
* configure.in: If libidn add-on present define HAVE_LIBIDN.
* Versions.def: Add entry for libcidn.
2004-03-07 Simon Josefsson <jas@extundo.com>
* resolv/netdb.h [__USE_GNU]: Add new AI_IDN ai_flags for addrinfo.
[__USE_GNU]: Add new error code EAI_IDN_ENCODE for getaddrinfo.
* sysdeps/posix/getaddrinfo.c: Add prototype for __idna_to_ascii_lz
and define IDNA_SUCCESS.
(gaih_inet): If ai_flags have AI_IDN, invoke __idna_to_ascii_lz.
(getaddrinfo): Fix EAI_BADFLAGS test to include AI_IDN.
All changes only applicable when glibc is compiled with the libidn
add-on.
2004-03-07 Ulrich Drepper <drepper@redhat.com>
2004-01-14 Ulrich Drepper <drepper@redhat.com>
* configure.in: Define HAVE_Z_RELRO if the linker supports -z relro.
* config.h.in: Add entry for HAVE_Z_RELRO.
* include/libc-symbols.h: Define attribute_relro.
* elf/dl-load.c: Add attribute_relro to env_path_list, capstr, ncapstr,
max_capstrlen, and max_dirnamelen definitions.
* elf/rtld.c: Add attribute_relro to _dl_argc, _dl_argv, _dl_skip_args,
load_time, start_time, library_path, preloadlist, version_info,
any_debug.
Remove rtld_total_time. Make it a local variable. Pass pointer to
it to print_statistics. Change print_statistics accordingly.
* sysdeps/generic/dl-sysdep.c: Add attribute_relro to _dl_auxv. Use
attribute_relro instead of explicitly assigning variable to the
.data.rel.ro section for __libc_enable_secure and __libc_stack_end.
* sysdeps/generic/ldsodefs.h: Declare __libc_stack_end, _dl_argc,
_dl_argv, _dl_argv_internal with attribute_relro.
2003-12-02 David Mosberger <davidm@hpl.hp.com>
* sysdeps/ia64/elf/initfini.c: Add unwind info.
* sysdeps/ia64/dl-machine.h (elf_machine_matches_host): Mark with
attribute "unused".
(elf_machine_dynamic): Mark with attributes "unused" and "const".
(elf_machine_runtime_setup): Likewise.
* sysdeps/generic/dl-fptr.c (make_fptr_table): Mark with
attribute "always_inline".
* sysdeps/ia64/dl-machine.h (__ia64_init_bootstrap_fdesc_table):
Likewise.
* configure.in: Check whether compiler has libunwind support.
* config.make.in (have-cc-with-libunwind): New variable.
* config.h.in (HAVE_CC_WITH_LIBUNWIND): New macro.
* Makeconfig (gnulib): If have-cc-withh-libunwind is "yes", also
mention -lunwind.
003-11-12 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Define DO_CALL_VIA_BREAK.
Redefine DO_CALL to use vdso if supported, otherwise DO_CALL_VIA_BREAK.
Likewise for DO_INLINE_SYSCALL. Make INTERNAL_SYSCALL use
DO_INLINE_SYSCALL.
* sysdeps/unix/sysv/linux/ia64/vfork.S: Use DO_CALL_VIA_BREAK()
instead of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/clone2.S: Use break directly instead
of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/brk.S (__curbrk): Restructure it
to take advantage of DO_CALL() macro.
* sysdeps/unix/sysv/linux/ia64/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/getcontext.S: Likewise.
* elf/rtld.c (dl_main): Restrict dl_sysinfo_dso check to first
program header. On ia64, the check failed previously because
there are two program headers.
* sysdeps/generic/s_nexttowardf.c: Likewise.
* math/bug-nexttoward.c: New file.
* configure.in: New check for -g on .S files.
* configure: Regenerated.
* config.make.in (have-cpp-asm-debuginfo): New variable.
* config.h.in (HAVE_CPP_ASM_DEBUGINFO): New #undef.
* Makeconfig (ASFLAGS): New variable, if undefined and
$(have-cpp-asm-debuginfo), take options matching -g% from $(CFLAGS).
* Makerules (compile.S, COMPILE.S): Use $(ASFLAGS).
just return &_nl_C_locobj instead of copying it.
* locale/freelocale.c (__freelocale): Check for &_nl_C_locobj.
* locale/duplocale.c (__duplocale): Likewise.
2002-10-07 Roland McGrath <roland@frob.com>
* config.h.in (HAVE_I386_SET_GDT): New #undef.
* sysdeps/mach/configure.in: Define it with new check for i386_set_gdt.
* sysdeps/mach/configure: Regenerated.
2002-10-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (INLINE_SYSCALL):
Add all necessary register outputs for syscall-clobbered registers.
2002-10-02 David Mosberger <davidm@hpl.hp.com>
* sysdeps/ia64/bzero.S: Rewritten by Sverre Jarp to tune for
Itanium 2 (and Itanium).
Fix unwind directives and make it fit in 80 columns.
* sysdeps/ia64/memset.S: Ditto.
* sysdeps/ia64/memcpy.S: Ditto.
Move jump table to .rodata section.
2002-10-03 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/i386/init-first.c (_hurd_stack_setup): Add
clobbers to asm.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_load_address): Don't
rely on *r_offset of R_SPARC_RELATIVE reloc in .got to contain the
addend.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_load_address): Use
the same l_addr computation.
* sysdeps/sparc/sparc64/configure.in: Removed.
* sysdeps/sparc/sparc64/configure: Removed.
* config.h.in (SPARC64_DYNAMIC_BEFORE_GOT): Remove.
* sysdeps/mach/hurd/bits/errno.h: Regenerated.
* sysdeps/gnu/Versions: New file.
* sysdeps/unix/sysv/linux/Versions (libc: GLIBC_2.1): Remove
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr; from here.
* sysdeps/gnu/Makefile ($(..)sysdeps/gnu/errlist-compat.c): New target.
($(objpfx)errlist.d): Depend on $(..)sysdeps/gnu/errlist-compat.c.
* sysdeps/gnu/errlist.awk: Make output define _sys_errlist_internal
and _sys_nerr_internal instead of anything else. Make it include
"errlist-compat.c" if [!NOT_IN_libc && !ERRLIST_NO_COMPAT].
Make it emit some asm magic if [EMIT_ERR_MAX].
* sysdeps/gnu/errlist.c: Regenerated.
* sysdeps/gnu/errlist-compat.awk: New file.
* sysdeps/gnu/errlist-compat.c: New file (generated).
* sysdeps/mach/hurd/errlist.c (ERRLIST_NO_COMPAT): New macro.
(_sys_errlist_internal): Define this as a macro for _hurd_errlist.
(_sys_nerr_internal): Define this is a macro for _hurd_nerr.
(SYS_ERRLIST, SYS_NERR): Macros removed.
(sys_nerr, _sys_nerr): Remove these weak aliases.
* sysdeps/unix/sysv/linux/errlist.c: File removed.
* sysdeps/unix/sysv/linux/errlist.h: File removed.
* sysdeps/unix/sysv/linux/arm/errlist.c: File removed.
* include/libc-symbols.h (declare_symbol): New macro.
* config.h.in (ASM_TYPE_DIRECTIVE_PREFIX): New #undef.
* configure.in: New check to define it.
* configure: Regenerated.
MACH_MSG_TYPE_INTEGER_T -> integer_t in sizeof.
Use a union rather than casts to compare mach_msg_type_t as int.
2002-03-25 Roland McGrath <roland@frob.com>
* hurd/hurdchdir.c (_hurd_change_directory_port_from_name): Don't
check off the end of NAME when it's shorter than 2 chars.
Reported by Ognyan Kulev <ogi@fmi.uni-sofia.bg>.
2002-03-17 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/i386/sys/io.h: New file.
* sysdeps/mach/hurd/i386/ioperm.c: New file.
* sysdeps/mach/hurd/i386/Dist: Add them.
* sysdeps/mach/hurd/i386/Versions
(libc: GLIBC_2.2.6): New set, add ioperm.
* sysdeps/mach/configure.in: New check to set HAVE_I386_IO_PERM_MODIFY.
(mach_interface_list): Check for mach_i386.defs.
* config.h.in (HAVE_I386_IO_PERM_MODIFY): #undef it.
* sysdeps/mach/configure: Regenerated.
2002-03-15 H.J. Lu <hjl@gnu.org>
Ulrich Drepper <drepper@redhat.com>
* configure.in: Check for availability of
init_array/fini_array/preinit_array handling in binutils.
* config.h.in (HAVE_INITFINI_ARRAY): New macro.
* config.make.in (have-initfini-array): New variable.
2002-03-11 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/elf/configure.in: Fix comment.
* sysdeps/sparc/sparc64/configure.in: New.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_load_address): Fix
if .dynamic comes before .got.
* config.h.in (SPARC64_DYNAMIC_BEFORE_GOT): Add.
* sysdeps/sparc/sparc64/hp-timing.h (HP_TIMING_DIFF,
HP_TIMING_ACCUM): Fix typos.
* string/strfry.c: Add some more randomness to the seed.
Patch by James A Morrison <ja2morri@student.math.uwaterloo.ca>.
Patch by James Antill <james@anqd.org> [PR libc/2787].
* sysdeps/mach/configure.in: Check for host_page_size RPC to define it.
* mach/mach_init.c (__mach_init) [HAVE_HOST_PAGE_SIZE]: Use
host_page_size instead of vm_statistics.
2002-02-07 Andreas Schwab <schwab@suse.de>
* configure.in: Fix check for -zcombreloc.
2002-02-06 H.J. Lu <hjl@gnu.org>
* config.h.in (HAVE_BUILTIN_MEMSET): New.
* configure.in: Check if __builtin_memset really works.
* elf/rtld.c (_dl_start): Check HAVE_BUILTIN_MEMSET instead of
__GNUC_PREREQ (2, 96) before using __builtin_memset.
2002-02-06 Jakub Jelinek <jakub@redhat.com>
* io/bug-ftw3.c (main): Don't try the test if root.
2002-02-06 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/unix/sysv/linux/s390/brk.c (__brk): Correct inline assembly
constraints.
* sysdeps/unix/sysv/linux/s390/s390-32/bits/resource.h (RLIMIT_LOCKS):
Add RLIMIT_LOCKS and adjust RLIMIT_NLIMITS.
* sysdeps/unix/sysv/linux/s390/s390-64/bits/resource.h (RLIMIT_LOCKS):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (clone): Make clone
a weak alias for __clone.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (clone): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/profil-counter.h: Fix typo.
* sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Add framestate.
* sysdeps/unix/sysv/linux/s390/s390-64/Versions: New file.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap64): Make __mmap
a weak alias for __mmap64.
* sysdeps/mips/atomicity.h (exchange_and_add): Not use branch likely.
* sysdeps/unix/sysv/linux/mips/sys/tas.h (_test_and_set): Likewise.
* sysdeps/generic/dl-tls.c: Don't read TLS header if TLS is not needed.
* config.h.in (HAVE_MIG_RETCODE): New #undef.
* sysdeps/mach/hurd/configure.in (hurd_MIG_RETCODE: New macro
swiped from hurd package's aclocal.m4; use it to set HAVE_MIG_RETCODE.
* sysdeps/mach/hurd/configure: Regenerated.
2001-08-26 Ulrich Drepper <drepper@redhat.com>
* config.h.in: Add HAVE_Z_COMBRELOC.
* configure.in: Add test for -z combreloc.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Minor cleanups and
optimizations. Use HAVE_Z_COMBRELOC to avoid generaton of
R_386_RELATIVE handling for ld.so startup.
2001-03-12 Jakub Jelinek <jakub@redhat.com>
* csu/Makefile (abi-tag.h): Define OS and version separately, allow
version to be overriden from config.h.
* csu/abi-note.S: Use OS and version separately, include config.h.
* elf/dl-load.c (_dl_osversion): New.
(_dl_map_object_from_fd): Kill some warnings.
(open_verify): Check .note.ABI-tag of the library if present.
* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
* elf/cache.c (struct cache_entry): Add osversion.
(print_entry): Print osversion.
(print_cache): Pass osversion to it.
(compare): Sort according to osversion.
(save_cache): Set osversion.
(add_to_cache): Add osversion argument.
* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
process_elf_file): Add osversion argument.
* elf/readlib.c (process_file): Likewise.
* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* elf/ldconfig.c (manual_link): Pass it.
(search_dir): Issue diagnostic if two libs with the same soname in
the same directory have different .note.ABI-tag. Record osversion in
dlib_entry and use it from there.
(struct lib_entry): Remove.
(struct dlib_entry): Add osversion.
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
osversion.
* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
field with osversion.
* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
version in _dl_osversion.
* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
* Makerules (build-shlib-helper, build-module-helper): New.
(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
early.
* config.h.in (__ABI_TAG_VERSION): Add.
* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
Handle LD_ASSUME_KERNEL.
* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2000-10-14 Ulrich Drepper <drepper@redhat.com>
* math/libm-test.inc (frexp_test): Add L suffix also to parameters.
(hypot_test): Likewise.
* sysdeps/generic/printf_fphex.c: Compute width of decimal point
string correctly. Handle padding correctly.
* sysdeps/ia64/fpu/printf_fphex.c: Use sizeof in _itowa parameters
correctly.
* sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise.
* sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* FAQ.in: Add --start-group and --end-group.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* malloc/memusage.c: Conditionalize stack usage calculation on
stack direction.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* config.h.in: Add ASM_LINE_SEP.
* configure.in: Add test for comment and line separators.
* include/libc-symbols.h: Define and use ASM_LINE_SEP, and add tabs to
placate some hppa assemblers.
* sysdeps/hppa/sysdep.h: Likewise.
* sysdeps/gnu/siglist.c: Insert \n and \t into inline asm.
* sysdeps/unix/sysv/linux/errlist.c: Likewise.
2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
* sysdeps/unix/sysv/linux/Makefile: Include <bits/initspin> in
$(sysdep_headers).
* sysdeps/unix/sysv/linux/bits/initspin.h: Dummy version for
non-threaded platforms.
2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
* configure.in: Add definitions for hppa.
* elf/elf.h: Add PLABEL32 relocation for hppa ELF32, comments
for IPLT and EPLT relocations.
* shlib-versions: Version symbol definitions for hppa-linux.
* sysdeps/unix/sysv/linux/configure.in: Define $arch_minimum_kernel
for hppa.
2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
* sysdeps/hppa/Makefile: New file.
* sysdeps/hppa/Versions: New file.
* sysdeps/hppa/setjmp.S: New file.
* sysdeps/hppa/__longjmp.S: New file.
* sysdeps/hppa/bits/setjmp.h: New file.
* sysdeps/hppa/frame.h: New file.
* sysdeps/hppa/add_n.s: Don't use %r19 (linkage table pointer).
* sysdeps/hppa/sub_n.s: Likewise.
* sysdeps/hppa/lshift.s: Likewise.
* sysdeps/hppa/rshift.s: Likewise.
* sysdeps/hppa/udiv_qrnnd.s: Likewise.
* sysdeps/hppa/hppa1.1/addmul_1.s: Likewise.
* sysdeps/hppa/hppa1.1/submul_1.s: Likewise.
* sysdeps/hppa/hppa1.1/mul_1.s: Likewise.
* sysdeps/hppa/hppa1.1/udiv_qrnnd.s: Likewise.
* sysdeps/hppa/dl-machine.h: New file.
* sysdeps/hppa/dl-fptr.c: New file (note that this is almost
identical to the IA-64 one).
* sysdeps/hppa/dl-lookupcfg.h: Likewise.
* sysdeps/hppa/dl-symaddr.c: Likewise.
* sysdeps/hppa/elf/initfini.c: New file.
* sysdeps/hppa/elf/start.S: New file.
* sysdeps/hppa/fpu/bits/fenv.h: New file.
* sysdeps/hppa/fpu/fclrexcpt.c: New file.
* sysdeps/hppa/fpu/fedisblxcpt.c: New file.
* sysdeps/hppa/fpu/feenablxcpt.c: New file.
* sysdeps/hppa/fpu/fegetenv.c: New file.
* sysdeps/hppa/fpu/fegetexcept.c: New file.
* sysdeps/hppa/fpu/fegetround.c: New file.
* sysdeps/hppa/fpu/feholdexcpt.c: New file.
* sysdeps/hppa/fpu/fesetenv.c: New file.
* sysdeps/hppa/fpu/fesetround.c: New file.
* sysdeps/hppa/fpu/feupdateenv.c: New file.
* sysdeps/hppa/fpu/fegetexcptflg.c: New file.
* sysdeps/hppa/fpu/fraiseexcpt.c: New file.
* sysdeps/hppa/fpu/fsetexcptflg.c: New file.
* sysdeps/hppa/fpu/ftestexcept.c: New file.
* sysdeps/unix/sysv/linux/hppa/Makefile: New file.
* sysdeps/unix/sysv/linux/hppa/Versions: New file.
* sysdeps/unix/sysv/linux/hppa/syscalls.list: New file.
* sysdeps/unix/sysv/linux/hppa/sysdep.c: New file.
* sysdeps/unix/sysv/linux/hppa/sysdep.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/fcntl.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/ioctls.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/mman.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/sigaction.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/signum.h: New file.
* sysdeps/unix/sysv/linux/hppa/brk.c: New file.
* sysdeps/unix/sysv/linux/hppa/clone.S: New file.
* sysdeps/unix/sysv/linux/hppa/socket.S: New file.
* sysdeps/unix/sysv/linux/hppa/syscall.S: New file.
* sysdeps/unix/sysv/linux/hppa/setrlimit.c: New file.
* sysdeps/unix/sysv/linux/hppa/getrlimit.c: New file.
* sysdeps/unix/sysv/linux/hppa/getrlimit64.c: New file.
* sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h: New file.
* sysdeps/unix/sysv/linux/hppa/kernel_stat.h: New file.
* sysdeps/unix/sysv/linux/hppa/mmap.c: New file.
* sysdeps/unix/sysv/linux/hppa/profil-counter.h: New file.
* sysdeps/unix/sysv/linux/hppa/procfs.h: New file.
* sysdeps/unix/sysv/linux/hppa/ucontext.h: New file.
* sysdeps/unix/sysv/linux/hppa/umount.c: New file.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* sysdeps/hppa/hppa1.1/Implies: New file.
* sysdeps/hppa/memusage.h: New file.
2000-06-14 Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/sh4/fpu/fclrexcpt.c: Remove definitions for backward
compatibility.
* sysdeps/sh/sh4/fpu/fegetenv.c: Likewise.
* sysdeps/sh/sh4/fpu/fesetenv.c: Likewise.
* sysdeps/sh/sh4/fpu/fraiseexcpt.c: Likewise.
* sysdeps/sh/sh4/fpu/fsetexcptflg.c: Likewise.
2000-06-14 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h (link_warning): If HAVE_SECTION_QUOTES is
defined, terminate quotes and read them after the comment char.
* configure.in (HAVE_SECTION_QUOTES): Test whether
__attribute__((section ("x"))) puts quotes around x or not.
* config.h.in (HAVE_SECTION_QUOTES): Add.
* configure: Rebuilt.
* configure.in: Add test for local label subtraction.
* config.h.in: Ad HAVE_SUBTRACT_LOCAL_LABELS.
* stdio-common/vfprintf.c (vfprintf): Use subtraction of local
labels to reduce number of runtime relocations and move jump
tables in read-only seciton.