diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2007-01-11 21:51:07 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-01-11 21:51:07 +0000 |
| commit | 11bf311edc76f5ddc469a8c396e313e82d76be15 (patch) | |
| tree | c359296689b762f1a7bb212a624ab6aec1faff94 /include | |
| parent | 32c075e1f01849e161724bbd400ba77244e482cc (diff) | |
| download | glibc-11bf311edc76f5ddc469a8c396e313e82d76be15.tar.gz glibc-11bf311edc76f5ddc469a8c396e313e82d76be15.tar.xz glibc-11bf311edc76f5ddc469a8c396e313e82d76be15.zip | |
[BZ #2510, BZ #2830, BZ #3137, BZ #3313, BZ #3426, BZ #3465, BZ #3480, BZ #3483, BZ #3493, BZ #3514, BZ #3515, BZ #3664, BZ #3673, BZ #3674]
2007-01-11 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/soft-fp/sfp-machine.h: Remove.
* sysdeps/x86_64/soft-fp/sfp-machine.h: Likewise.
2007-01-10 Ulrich Drepper <drepper@redhat.com>
* io/fts.c: Make sure fts_cur is always valid after return from
fts_read.
Patch by Miloslav Trmac <mitr@redhat.com>.
2006-10-27 Richard Sandiford <richard@codesourcery.com>
* elf/elf.h (R_MIPS_GLOB_DAT): Define.
(R_MIPS_NUM): Bump by 1.
2007-01-03 Jakub Jelinek <jakub@redhat.com>
* posix/execvp.c: Include alloca.h.
(allocate_scripts_argv): Renamed to...
(scripts_argv): ... this. Don't allocate buffer here nor count
arguments.
(execvp): Use alloca if possible.
* posix/Makefile: Add rules to build and run tst-vfork3 test.
* posix/tst-vfork3.c: New test.
* stdlib/Makefile (tst-strtod3-ENV): Define.
2007-01-02 Ulrich Drepper <drepper@redhat.com>
* posix/getconf.c: Update copyright year.
* nss/getent.c: Likewise.
* iconv/iconvconfig.c: Likewise.
* iconv/iconv_prog.c: Likewise.
* elf/ldconfig.c: Likewise.
* catgets/gencat.c: Likewise.
* csu/version.c: Likewise.
* elf/ldd.bash.in: Likewise.
* elf/sprof.c (print_version): Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* nscd/nscd.c (print_version): Likewise.
* debug/xtrace.sh: Likewise.
* malloc/memusage.sh: Likewise.
* malloc/mtrace.pl: Likewise.
* debug/catchsegv.sh: Likewise.
2006-12-24 Ulrich Drepper <drepper@redhat.com>
* malloc/malloc.c (sYSMALLOc): Remove some unnecessary alignment
attempts.
2006-12-23 Ulrich Drepper <drepper@redhat.com>
* posix/wordexp.c: Remove some unnecessary tests.
2006-12-20 SUGIOKA Toshinobu <sugioka@itonet.co.jp>
* sysdeps/unix/sysv/linux/sh/bits/shm.h: New file.
* nss/getXXbyYY_r.c: Include atomic.h.
(INTERNAL (REENTRANT_NAME)): Write startp after start_fct,
add atomic_write_barrier () in between.
2006-11-28 Jakub Jelinek <jakub@redhat.com>
* elf/dl-support.c: Include dl-procinfo.h.
* sysdeps/powerpc/dl-procinfo.h (PPC_PLATFORM_POWER4,
PPC_PLATFORM_PPC970, PPC_PLATFORM_POWER5, PPC_PLATFORM_POWER5_PLUS,
PPC_PLATFORM_POWER6, PPC_PLATFORM_CELL_BE, PPC_PLATFORM_POWER6X):
Define.
(_dl_string_platform): Use PPC_PLATFORM_* macros instead of
hardcoded constants.
* sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_platform): Use
PPC_PLATFORM_* macros for array designators.
2006-11-11 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_cap_flags): Add 3 new cap
names to the beginning.
(_dl_powerpc_platforms): Add "power6x".
* sysdeps/powerpc/dl-procinfo.h (_DL_HWCAP_FIRST): Decrease.
(HWCAP_IMPORTANT): Add PPC_FEATURE_HAS_DFP.
(_DL_PLATFORMS_COUNT): Increase.
(_dl_string_platform): Handle power6x case.
* sysdeps/powerpc/sysdep.h (PPC_FEATURE_PA6T, PPC_FEATURE_HAS_DFP,
PPC_FEATURE_POWER6_EXT): Define.
(PPC_FEATURE_POWER5, PPC_FEATURE_POWER5_PLUS): Correct Comment.
[-2^31 .. 2^31) range.
* sysdeps/unix/sysv/linux/bits/statvfs.h: Define ST_RELATIME.
* sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags):
Handle relatime mount option.
2006-12-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Include
kernel-features.h.
2006-12-11 Ulrich Drepper <drepper@redhat.com>
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Parse thousand
separators also if no non-zero digits found.
* stdlib/Makefile (tests): Add tst-strtod3.
[BZ #3664]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix test to recognize
empty parsed strings.
* stdlib/Makefile (tests): Add tst-strtod2.
* stdlib/tst-strtod2.c: New file.
[BZ #3673]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix exp_limit
computation.
* stdlib/Makefile (tests): Add tst-atof2.
* stdlib/tst-atof2.c: New file.
[BZ #3674]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Adjust exponent value
correctly if removing trailing zero of hex-float.
* stdlib/Makefile (tests): Add tst-atof1.
* stdlib/tst-atof1.c: New file.
* misc/mntent_r.c (__hasmntopt): Check p[optlen] even when p == rest.
Start searching for next comma at p rather than rest.
* misc/Makefile (tests): Add tst-mntent2.
* misc/tst-mntent2.c: New test.
2006-12-08 Ulrich Drepper <drepper@redhat.com>
* malloc/memusage.c: Handle realloc with new size of zero and
non-NULL pointer correctly.
(me): Really write first record twice.
(struct entry): Make format bi-arch safe.
(dest): Write out more realloc statistics.
* malloc/memusagestat.c (struct entry): Make format bi-arch safe.
2006-12-05 Jakub Jelinek <jakub@redhat.com>
* nis/nis_subr.c (nis_getnames): Revert last change.
2006-12-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/sys/io.h: Removed.
2006-11-30 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/i386/i686/memcmp.S: Use jump table as the base of
jump table entries.
2006-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/i386/clone.S: Provide CFI for the outermost
`clone' function to ensure proper unwinding stop of gdb.
* sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise.
2006-12-01 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd.init: Remove obsolete and commented-out -S option
handling.
2006-11-23 Jakub Jelinek <jakub@redhat.com>
[BZ #3514]
* manual/string.texi (strncmp): Fix pastos from wcscmp description.
[BZ #3515]
* manual/string.texi (strtok): Remove duplicate paragraph.
2006-12-01 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Fix compatibility with
libgcc not supporting `rflags' unwinding (register # >= 17).
2006-11-30 Jakub Jelinek <jakub@redhat.com>
* sunrpc/svc_run.c (svc_run): Set my_pollfd to new_pollfd if realloc
succeeded.
2006-11-29 Daniel Jacobowitz <dan@codesourcery.com>
Jakub Jelinek <jakub@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c (restore_rt): Add correct
unwind information.
* sysdeps/unix/sysv/linux/x86_64/Makefile: Provide symbols for
'restore_rt' even in the 'signal' directory.
* sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym: Extend the regs list.
malloc crashed. Don't allocate memory unnecessarily in each
loop.
2006-10-21 Jakub Jelinek <jakub@redhat.com>
* resolv/mapv4v6addr.h (map_v4v6_address): Fix last change.
2006-11-20 Ulrich Drepper <drepper@redhat.com>
* resolv/mapv4v6addr.h (map_v4v6_address): Optimize a bit.
2006-11-18 Bruno Haible <bruno@clisp.org>
* sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Invoke
__sysconf only after having tried to call getgroups32.
2006-11-19 Ulrich Drepper <drepper@redhat.com>
* nss/nss_files/files-hosts.c (LINE_PARSER): Support IPv6-style
addresses for IPv4 queries if they can be mapped.
2006-11-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/x86_64/fpu/s_copysignf.S (__copysignf): Switch to .text.
* sysdeps/x86_64/fpu/s_copysign.S (__copysign): Likewise.
(signmask): Add .size directive.
(othermask): Add .type directive.
2006-11-14 Ulrich Drepper <drepper@redhat.com>
* po/nl.po: Update from translation team.
* timezone/zdump.c: Redo fix for BZ #3137.
2006-11-14 Jakub Jelinek <jakub@redhat.com>
* nss/nss_files/files-alias.c (get_next_alias): Set line back
to first_unused after parsing :include: file.
* timezone/africa: Update from tzdata2006o.
* timezone/antarctica: Likewise.
* timezone/asia: Likewise.
* timezone/australasia: Likewise.
* timezone/backward: Likewise.
* timezone/europe: Likewise.
* timezone/iso3166.tab: Likewise.
* timezone/northamerica: Likewise.
* timezone/southamerica: Likewise.
* timezone/zone.tab: Likewise.
* time/tzfile.c (__tzfile_read): Extend to handle new file format
on machines with 64-bit time_t.
* timezone/checktab.awk: Update from tzcode2006o.
* timezone/ialloc.c: Likewise.
* timezone/private.h: Likewise.
* timezone/scheck.c: Likewise.
* timezone/tzfile.h: Likewise.
* timezone/tzselect.ksh: Likewise.
* timezone/zdump.c: Likewise.
* timezone/zic.c: Likewise.
[BZ #3483]
* elf/ldconfig.c (main): Call setlocale and textdomain.
Patch mostly by Benno Schulenberg <bensberg@justemail.net>.
[BZ #3480]
* manual/argp.texi: Fix typos.
* manual/charset.texi: Likewise.
* manual/errno.texi: Likewise.
* manual/filesys.texi: Likewise.
* manual/lang.texi: Likewise.
* manual/maint.texi: Likewise.
* manual/memory.texi: Likewise.
* manual/message.texi: Likewise.
* manual/resource.texi: Likewise.
* manual/search.texi: Likewise.
* manual/signal.texi: Likewise.
* manual/startup.texi: Likewise.
* manual/stdio.texi: Likewise.
* manual/sysinfo.texi: Likewise.
* manual/syslog.texi: Likewise.
* manual/time.texi: Likewise.
Patch by Ralf Wildenhues <Ralf.Wildenhues@gmx.de>.
[BZ #3465]
* sunrpc/clnt_raw.c: Minimal message improvements.
* sunrpc/pm_getmaps.c: Likewise.
* nis/nss_nisplus/nisplus-publickey.c: Likewise.
* nis/nis_print_group_entry.c: Likewise.
* locale/programs/repertoire.c: Likewise.
* locale/programs/charmap.c: Likewise.
* malloc/memusage.sh: Likewise.
* elf/dl-deps.c: Likewise.
* locale/programs/ld-collate.c: Likewise.
* libio/vswprintf.c: Likewise.
* malloc/memusagestat.c: Likewise.
* sunrpc/auth_unix.c: Likewise.
* sunrpc/rpc_main.c: Likewise.
* nscd/cache.c: Likewise.
* locale/programs/repertoire.c: Unify output messages.
* locale/programs/charmap.c: Likewise.
* locale/programs/ld-ctype.c: Likewise.
* locale/programs/ld-monetary.c: Likewise.
* locale/programs/ld-numeric.c: Likewise.
* locale/programs/ld-time.c: Likewise.
* elf/ldconfig.c: Likewise.
* nscd/selinux.c: Likewise.
* elf/cache.c: Likewise.
Patch mostly by Benno Schulenberg <bensberg@justemail.net>.
2006-11-10 Jakub Jelinek <jakub@redhat.com>
* string/strxfrm_l.c (STRXFRM): Fix trailing \1 optimization
if N is one bigger than return value.
* string/tst-strxfrm2.c (do_test): Also test strxfrm with l1 + 1
and l1 last arguments, if buf is defined, verify the return value
equals to strlen (buf) and verify no byte beyond passed length
is modified.
2006-11-10 Ulrich Drepper <drepper@redhat.com>
* po/sv.po: Update from translation team.
* sysdeps/gnu/siglist.c (__old_sys_siglist, __old_sys_sigabbrev):
Use __new_sys_siglist instead of _sys_siglist_internal as
second macro argument.
(_old_sys_siglist): Use declare_symbol_alias macro instead of
strong_alias.
2006-11-09 Ulrich Drepper <drepper@redhat.com>
[BZ #3493]
* posix/unistd.h (sysconf): Remove const attribute.
* sysdeps/posix/getaddrinfo.c (getaddrinfo): Fix test for
temporary or deprecated addresses.
Patch by Sridhar Samudrala <sri@us.ibm.com>.
* string/Makefile (tests): Add tst-strxfrm2.
* string/tst-strxfrm2.c: New file.
2006-10-09 Jakub Jelinek <jakub@redhat.com>
* elf/dl-debug.c (_dl_debug_initialize): Check r->r_map for 0
rather than r->r_brk.
* string/strxfrm_l.c (STRXFRM): Do the trailing \1 removal
optimization even if needed > n.
2006-11-07 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h (declare_symbol): Rename to...
(declare_symbol_alias): ... this. Add ORIGINAL argument, imply
strong_alias (ORIGINAL, SYMBOL) in asm to make sure it preceedes
.size directive.
* sysdeps/gnu/errlist-compat.awk: Adjust for declare_symbol_alias
changes.
* sysdeps/gnu/siglist.c: Likewise.
2006-11-03 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/fpu/bits/mathinline.h
[__LIBC_INTERNAL_MATH_INLINES]: Moved to ...
* sysdeps/powerpc/fpu/math_private.h: ...here. New file.
2006-11-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysconf.c (intel_check_word):
Update handling of cache descriptor 0x49 for new models.
* sysdeps/unix/sysv/linux/x86_64/sysconf.c (intel_check_word):
Likewise.
2006-11-02 Ulrich Drepper <drepper@redhat.com>
* configure.in: Work around ld --help change and avoid -z relro
test completely if the architecture doesn't care about security.
2006-11-01 Ulrich Drepper <drepper@redhat.com>
* po/sv.po: Update from translation team.
2006-10-31 Ulrich Drepper <drepper@redhat.com>
* stdlib/atexit.c (atexit): Don't mark as hidden when used to
generate compatibility version.
2006-10-29 Ulrich Drepper <drepper@redhat.com>
* configure.in: Relax -z relro requirement a bit.
* po/sv.po: Update from translation team.
2006-10-29 Jakub Jelinek <jakub@redhat.com>
* elf/dl-sym.c (do_sym): Use RTLD_SINGLE_THREAD_P.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Likewise.
* elf/dl-close.c (_dl_close_worker): Likewise.
* elf/dl-open.c (_dl_open_worker): Likewise.
* sysdeps/generic/sysdep-cancel.h (RTLD_SINGLE_THREAD_P): Define.
* configure.in: Require assembler support for visibility, compiler
support for visibility and aliases, linker support for various -z
options.
* Makeconfig: Remove conditional code which now is unnecessary.
* config.h.in: Likewise.
* config.make.in: Likewise.
* dlfcn/Makefile: Likewise.
* elf/Makefile: Likewise.
* elf/dl-load.c: Likewise.
* elf/rtld.c: Likewise.
* include/libc-symbols.h: Likewise.
* include/stdio.h: Likewise.
* io/Makefile: Likewise.
* io/fstat.c: Likewise.
* io/fstat64.c: Likewise.
* io/fstatat.c: Likewise.
* io/fstatat64.c: Likewise.
* io/lstat.c: Likewise.
* io/lstat64.c: Likewise.
* io/mknod.c: Likewise.
* io/mknodat.c: Likewise.
* io/stat.c: Likewise.
* io/stat64.c: Likewise.
* libio/stdio.c: Likewise.
* nscd/Makefile: Likewise.
* stdlib/Makefile: Likewise.
* stdlib/atexit.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/i386/sysdep.h: Likewise.
* sysdeps/i386/i686/memcmp.S: Likewise.
* sysdeps/powerpc/powerpc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
* Makerules: USE_TLS support is now default.
* tls.make.c: Likewise.
* csu/Versions: Likewise.
* csu/libc-start.c: Likewise.
* csu/libc-tls.c: Likewise.
* csu/version.c: Likewise.
* dlfcn/dlinfo.c: Likewise.
* elf/dl-addr.c: Likewise.
* elf/dl-cache.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-iteratephdr.c: Likewise.
* elf/dl-load.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-reloc.c: Likewise.
* elf/dl-support.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-sysdep.c: Likewise.
* elf/dl-tls.c: Likewise.
* elf/ldconfig.c: Likewise.
* elf/rtld.c: Likewise.
* elf/tst-tls-dlinfo.c: Likewise.
* elf/tst-tls1.c: Likewise.
* elf/tst-tls10.h: Likewise.
* elf/tst-tls14.c: Likewise.
* elf/tst-tls2.c: Likewise.
* elf/tst-tls3.c: Likewise.
* elf/tst-tls4.c: Likewise.
* elf/tst-tls5.c: Likewise.
* elf/tst-tls6.c: Likewise.
* elf/tst-tls7.c: Likewise.
* elf/tst-tls8.c: Likewise.
* elf/tst-tls9.c: Likewise.
* elf/tst-tlsmod1.c: Likewise.
* elf/tst-tlsmod13.c: Likewise.
* elf/tst-tlsmod13a.c: Likewise.
* elf/tst-tlsmod14a.c: Likewise.
* elf/tst-tlsmod2.c: Likewise.
* elf/tst-tlsmod3.c: Likewise.
* elf/tst-tlsmod4.c: Likewise.
* elf/tst-tlsmod5.c: Likewise.
* elf/tst-tlsmod6.c: Likewise.
* include/errno.h: Likewise.
* include/link.h: Likewise.
* include/tls.h: Likewise.
* locale/global-locale.c: Likewise.
* locale/localeinfo.h: Likewise.
* malloc/arena.c: Likewise.
* malloc/hooks.c: Likewise.
* malloc/malloc.c: Likewise.
* resolv/Versions: Likewise.
* sysdeps/alpha/dl-machine.h: Likewise.
* sysdeps/alpha/libc-tls.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/generic/tls.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/ia64/dl-machine.h: Likewise.
* sysdeps/ia64/libc-tls.c: Likewise.
* sysdeps/mach/hurd/fork.c: Likewise.
* sysdeps/mach/hurd/i386/tls.h: Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.c: Likwise.
* sysdeps/powerpc/powerpc32/dl-machine.h: Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h: Likewise.
* sysdeps/s390/libc-tls.c: Likewise.
* sysdeps/s390/s390-32/dl-machine.h: Likewise.
* sysdeps/s390/s390-64/dl-machine.h: Likewise.
* sysdeps/sh/dl-machine.h: Likewise.
* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
* sysdeps/x86_64/dl-machine.h: Likewise.
[BZ #3426]
* stdlib/stdlib.h: Adjust comment for canonicalize_file_name to
reality.
2006-10-27 Jakub Jelinek <jakub@redhat.com>
* elf/dl-lookup.c (_dl_debug_bindings): Remove unused symbol_scope
argument.
(_dl_lookup_symbol_x): Adjust caller.
* sysdeps/generic/ldsodefs.h (struct link_namespaces): Remove
_ns_global_scope.
* elf/rtld.c (dl_main): Don't initialize _ns_global_scope.
* elf/dl-libc.c: Revert l_scope name changes.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-close.c (_dl_close): Likewise.
* elf/dl-open.c (dl_open_worker): Likewise. If not SINGLE_THREAD_P,
always use __rtld_mrlock_{change,done}. Always free old scope list
here if not l_scope_mem.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Revert l_scope name
change. Never free scope list here. Just __rtld_mrlock_lock before
the lookup and __rtld_mrlock_unlock it after the lookup.
* elf/dl-sym.c: Likewise.
* include/link.h (struct r_scoperec): Remove.
(struct link_map): Replace l_scoperec with l_scope, l_scoperec_mem
with l_scope_mem and l_scoperec_lock with l_scope_lock.
2006-10-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/gnu/netinet/tcp.h: Define TCP_CONGESTION.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* configure.in: Disable building profile libraries by default.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to
_dl_lookup_symbol_x code.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* elf/dl-runtime.c: Include sysdep-cancel.h.
(_dl_fixup, _dl_profile_fixup): Use __rtld_mrlock_* and
scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_*
instead of catomic_* macros.
* elf/dl-sym.c: Include sysdep-cancel.h.
(do_sym): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-close.c: Include sysdep-cancel.h.
(_dl_close): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-open.c: Include sysdep-cancel.h.
(dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Set maxfb to address of last
fastbin rather than end of fastbin array.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i486/bits/atomic.h (catomic_decrement): Use correct
body macro.
* sysdeps/x86_64/bits/atomic.h
(__arch_c_compare_and_exchange_val_64_acq): Add missing casts.
(catomic_decrement): Use correct body macro.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h: Add a unique prefix to all local variables
in macros.
* csu/tst-atomic.c (do_test): Test also catomic_* macros.
2006-10-14 Ulrich Drepper <drepper@redhat.com>
* resolv/arpa/nameser.h: Document that ns_t_a6 is deprecated.
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Don't use get_fast_max to
determine highest fast bin to consolidate, always look into all of
them.
(do_check_malloc_state): Only require for empty bins for large
sizes in main arena.
* libio/stdio.h: Add more __wur attributes.
2006-11-12 Andreas Jaeger <aj@suse.de>
[BZ #2510]
* manual/search.texi (Hash Search Function): Clarify.
(Array Search Function): Clarify.
2006-11-12 Joseph Myers <joseph@codesourcery.com>
[BZ #2830]
* math/atest-exp.c (main): Cast hex value to mp_limb_t before
shifting.
* math/atest-exp2.c (read_mpn_hex): Likewise.
* math/atest-sincos.c (main): Likewise.
* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_pwait.
* sysdeps/unix/sysv/linux/sys/epoll.h: Declare epoll_pwait.
* sysdeps/unix/sysv/linux/Versions (libc): Add epoll_pwait for
version GLIBC_2.6.
* Versions.def: Add GLIBC_2.6 for libc.
* sysdeps/i386/i486/bits/atomic.h: Add catomic_* support.
2006-10-11 Jakub Jelinek <jakub@redhat.com>
* malloc/malloc.c (_int_malloc): Remove unused any_larger variable.
* nis/nis_defaults.c (__nis_default_access): Don't call getenv twice.
* nis/nis_subr.c (nis_getnames): Use __secure_getenv instead of getenv.
* sysdeps/generic/unsecvars.h: Add NIS_PATH.
2006-10-11 Ulrich Drepper <drepper@redhat.com>
* include/atomic.c: Define catomic_* operations.
* sysdeps/x86_64/bits/atomic.h: Likewise. Fix a few minor problems.
* stdlib/cxa_finalize.c: Use catomic_* operations instead of atomic_*.
* malloc/memusage.c: Likewise.
* gmon/mcount.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-profile.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-runtime.c: Likewise.
* elf/dl-fptr.c: Likewise.
* resolv/res_libc.c: Likewise.
2006-10-10 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/utimes.c: Use a union to avoid an improper cast.
* sysdeps/mach/hurd/futimes.c: Likewise.
* sysdeps/mach/hurd/lutimes.c: Likewise.
2006-10-09 Ulrich Drepper <drepper@redhat.com>
Jakub Jelinek <jakub@redhat.com>
Implement reference counting of scope records.
* elf/dl-close.c (_dl_close): Remove all scopes from removed objects
from the list in objects which remain. Always allocate new scope
record.
* elf/dl-open.c (dl_open_worker): When growing array for scopes,
don't resize, allocate a new one.
* elf/dl-runtime.c: Update reference counters before using a scope
array.
* elf/dl-sym.c: Likewise.
* elf/dl-libc.c: Adjust for l_scope name change.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* include/link.h: Include <rtld-lowlevel.h>. Define struct
r_scoperec. Replace r_scope with pointer to r_scoperec structure.
Add l_scoperec_lock.
* sysdeps/generic/ldsodefs.h: Include <rtld-lowlevel.h>.
* sysdeps/generic/rtld-lowlevel.h: New file.
* include/atomic.h: Rename atomic_and to atomic_and_val and
atomic_or to atomic_or_val. Define new macros atomic_and and
atomic_or which do not return values.
* sysdeps/x86_64/bits/atomic.h: Define atomic_and and atomic_or.
Various cleanups.
* sysdeps/i386/i486/bits/atomic.h: Likewise.
* po/sv.po: Update from translation team.
2006-10-07 Ulrich Drepper <drepper@redhat.com>
* Versions.def: Add GLIBC_2.6 to libpthread.
* include/shlib-compat.h (SHLIB_COMPAT): Expand parameters before use.
(versioned_symbol): Likewise.
(compat_symbol): Likewise.
* po/tr.po: Update from translation team.
* nis/Banner: Removed. It's been integral part forever and the
author info is incomplete anyway.
* libio/Banner: Likewise.
2006-10-06 Ulrich Drepper <drepper@redhat.com>
* version.h (VERSION): Bump to 2.5.90 for new development tree.
Diffstat (limited to 'include')
| -rw-r--r-- | include/atomic.h | 365 | ||||
| -rw-r--r-- | include/dlfcn.h | 3 | ||||
| -rw-r--r-- | include/errno.h | 2 | ||||
| -rw-r--r-- | include/libc-symbols.h | 75 | ||||
| -rw-r--r-- | include/link.h | 18 | ||||
| -rw-r--r-- | include/rpcsvc/nislib.h | 2 | ||||
| -rw-r--r-- | include/shlib-compat.h | 16 | ||||
| -rw-r--r-- | include/stdio.h | 1 | ||||
| -rw-r--r-- | include/sys/cdefs.h | 6 | ||||
| -rw-r--r-- | include/sys/mman.h | 3 | ||||
| -rw-r--r-- | include/tls.h | 3 |
11 files changed, 334 insertions, 160 deletions
diff --git a/include/atomic.h b/include/atomic.h index d44728b215..2ad8b5fcb7 100644 --- a/include/atomic.h +++ b/include/atomic.h @@ -21,6 +21,31 @@ #ifndef _ATOMIC_H #define _ATOMIC_H 1 +/* This header defines three types of macros: + + - atomic arithmetic and logic operation on memory. They all + have the prefix "atomic_". + + - conditionally atomic operations of the same kinds. These + always behave identical but can be faster when atomicity + is not really needed since only one thread has access to + the memory location. In that case the code is slower in + the multi-thread case. The interfaces have the prefix + "catomic_". + + - support functions like barriers. They also have the preifx + "atomic_". + + Architectures must provide a few lowlevel macros (the compare + and exchange definitions). All others are optional. They + should only be provided if the architecture has specific + support for the operation. + + As <atomic.h> macros are usually heavily nested and often use local + variables to make sure side-effects are evaluated properly, use for + macro local variables a per-macro unique prefix. This file uses + __atgN_ prefix where N is different in each macro. */ + #include <stdlib.h> #include <bits/atomic.h> @@ -30,33 +55,33 @@ and following args. */ #define __atomic_val_bysize(pre, post, mem, ...) \ ({ \ - __typeof (*mem) __result; \ + __typeof (*mem) __atg1_result; \ if (sizeof (*mem) == 1) \ - __result = pre##_8_##post (mem, __VA_ARGS__); \ + __atg1_result = pre##_8_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 2) \ - __result = pre##_16_##post (mem, __VA_ARGS__); \ + __atg1_result = pre##_16_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 4) \ - __result = pre##_32_##post (mem, __VA_ARGS__); \ + __atg1_result = pre##_32_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 8) \ - __result = pre##_64_##post (mem, __VA_ARGS__); \ + __atg1_result = pre##_64_##post (mem, __VA_ARGS__); \ else \ abort (); \ - __result; \ + __atg1_result; \ }) #define __atomic_bool_bysize(pre, post, mem, ...) \ ({ \ - int __result; \ + int __atg2_result; \ if (sizeof (*mem) == 1) \ - __result = pre##_8_##post (mem, __VA_ARGS__); \ + __atg2_result = pre##_8_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 2) \ - __result = pre##_16_##post (mem, __VA_ARGS__); \ + __atg2_result = pre##_16_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 4) \ - __result = pre##_32_##post (mem, __VA_ARGS__); \ + __atg2_result = pre##_32_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 8) \ - __result = pre##_64_##post (mem, __VA_ARGS__); \ + __atg2_result = pre##_64_##post (mem, __VA_ARGS__); \ else \ abort (); \ - __result; \ + __atg2_result; \ }) @@ -70,12 +95,29 @@ #endif +#if !defined catomic_compare_and_exchange_val_acq \ + && defined __arch_c_compare_and_exchange_val_32_acq +# define catomic_compare_and_exchange_val_acq(mem, newval, oldval) \ + __atomic_val_bysize (__arch_c_compare_and_exchange_val,acq, \ + mem, newval, oldval) +#else +# define catomic_compare_and_exchange_val_acq(mem, newval, oldval) \ + atomic_compare_and_exchange_val_acq (mem, newval, oldval) +#endif + + #ifndef atomic_compare_and_exchange_val_rel # define atomic_compare_and_exchange_val_rel(mem, newval, oldval) \ atomic_compare_and_exchange_val_acq (mem, newval, oldval) #endif +#ifndef catomic_compare_and_exchange_val_rel +# define catomic_compare_and_exchange_val_rel(mem, newval, oldval) \ + atomic_compare_and_exchange_val_acq (mem, newval, oldval) +#endif + + /* Atomically store NEWVAL in *MEM if *MEM is equal to OLDVAL. Return zero if *MEM was changed or non-zero if no exchange happened. */ #ifndef atomic_compare_and_exchange_bool_acq @@ -87,8 +129,26 @@ # define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \ ({ /* Cannot use __oldval here, because macros later in this file might \ call this macro with __oldval argument. */ \ - __typeof (oldval) __old = (oldval); \ - atomic_compare_and_exchange_val_acq (mem, newval, __old) != __old; \ + __typeof (oldval) __atg3_old = (oldval); \ + atomic_compare_and_exchange_val_acq (mem, newval, __atg3_old) \ + != __atg3_old; \ + }) +# endif +#endif + + +#ifndef catomic_compare_and_exchange_bool_acq +# ifdef __arch_c_compare_and_exchange_bool_32_acq +# define catomic_compare_and_exchange_bool_acq(mem, newval, oldval) \ + __atomic_bool_bysize (__arch_c_compare_and_exchange_bool,acq, \ + mem, newval, oldval) +# else +# define catomic_compare_and_exchange_bool_acq(mem, newval, oldval) \ + ({ /* Cannot use __oldval here, because macros later in this file might \ + call this macro with __oldval argument. */ \ + __typeof (oldval) __atg4_old = (oldval); \ + catomic_compare_and_exchange_val_acq (mem, newval, __atg4_old) \ + != __atg4_old; \ }) # endif #endif @@ -100,21 +160,26 @@ #endif +#ifndef catomic_compare_and_exchange_bool_rel +# define catomic_compare_and_exchange_bool_rel(mem, newval, oldval) \ + catomic_compare_and_exchange_bool_acq (mem, newval, oldval) +#endif + + /* Store NEWVALUE in *MEM and return the old value. */ #ifndef atomic_exchange_acq # define atomic_exchange_acq(mem, newvalue) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __value = (newvalue); \ + ({ __typeof (*(mem)) __atg5_oldval; \ + __typeof (mem) __atg5_memp = (mem); \ + __typeof (*(mem)) __atg5_value = (newvalue); \ \ do \ - __oldval = *__memp; \ - while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __value, \ - __oldval),\ - 0)); \ + __atg5_oldval = *__atg5_memp; \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg5_memp, __atg5_value, \ + __atg5_oldval), 0)); \ \ - __oldval; }) + __atg5_oldval; }) #endif #ifndef atomic_exchange_rel @@ -125,72 +190,124 @@ /* Add VALUE to *MEM and return the old value of *MEM. */ #ifndef atomic_exchange_and_add # define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __value = (value); \ + ({ __typeof (*(mem)) __atg6_oldval; \ + __typeof (mem) __atg6_memp = (mem); \ + __typeof (*(mem)) __atg6_value = (value); \ \ do \ - __oldval = *__memp; \ - while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __oldval \ - + __value,\ - __oldval),\ - 0)); \ + __atg6_oldval = *__atg6_memp; \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg6_memp, \ + __atg6_oldval \ + + __atg6_value, \ + __atg6_oldval), 0)); \ \ - __oldval; }) + __atg6_oldval; }) #endif +#ifndef catomic_exchange_and_add +# define catomic_exchange_and_add(mem, value) \ + ({ __typeof (*(mem)) __atg7_oldv; \ + __typeof (mem) __atg7_memp = (mem); \ + __typeof (*(mem)) __atg7_value = (value); \ + \ + do \ + __atg7_oldv = *__atg7_memp; \ + while (__builtin_expect \ + (catomic_compare_and_exchange_bool_acq (__atg7_memp, \ + __atg7_oldv \ + + __atg7_value, \ + __atg7_oldv), 0)); \ + \ + __atg7_oldv; }) +#endif + #ifndef atomic_max # define atomic_max(mem, value) \ do { \ - __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __value = (value); \ + __typeof (*(mem)) __atg8_oldval; \ + __typeof (mem) __atg8_memp = (mem); \ + __typeof (*(mem)) __atg8_value = (value); \ + do { \ + __atg8_oldval = *__atg8_memp; \ + if (__atg8_oldval >= __atg8_value) \ + break; \ + } while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg8_memp, __atg8_value,\ + __atg8_oldval), 0)); \ + } while (0) +#endif + + +#ifndef catomic_max +# define catomic_max(mem, value) \ + do { \ + __typeof (*(mem)) __atg9_oldv; \ + __typeof (mem) __atg9_memp = (mem); \ + __typeof (*(mem)) __atg9_value = (value); \ do { \ - __oldval = *__memp; \ - if (__oldval >= __value) \ + __atg9_oldv = *__atg9_memp; \ + if (__atg9_oldv >= __atg9_value) \ break; \ - } while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __value, \ - __oldval),\ - 0)); \ + } while (__builtin_expect \ + (catomic_compare_and_exchange_bool_acq (__atg9_memp, \ + __atg9_value, \ + __atg9_oldv), 0)); \ } while (0) #endif + #ifndef atomic_min # define atomic_min(mem, value) \ do { \ - __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __value = (value); \ + __typeof (*(mem)) __atg10_oldval; \ + __typeof (mem) __atg10_memp = (mem); \ + __typeof (*(mem)) __atg10_value = (value); \ do { \ - __oldval = *__memp; \ - if (__oldval <= __value) \ + __atg10_oldval = *__atg10_memp; \ + if (__atg10_oldval <= __atg10_value) \ break; \ - } while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __value, \ - __oldval),\ - 0)); \ + } while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg10_memp, \ + __atg10_value, \ + __atg10_oldval), 0)); \ } while (0) #endif + #ifndef atomic_add # define atomic_add(mem, value) (void) atomic_exchange_and_add ((mem), (value)) #endif +#ifndef catomic_add +# define catomic_add(mem, value) \ + (void) catomic_exchange_and_add ((mem), (value)) +#endif + + #ifndef atomic_increment # define atomic_increment(mem) atomic_add ((mem), 1) #endif +#ifndef catomic_increment +# define catomic_increment(mem) catomic_add ((mem), 1) +#endif + + #ifndef atomic_increment_val # define atomic_increment_val(mem) (atomic_exchange_and_add ((mem), 1) + 1) #endif +#ifndef catomic_increment_val +# define catomic_increment_val(mem) (catomic_exchange_and_add ((mem), 1) + 1) +#endif + + /* Add one to *MEM and return true iff it's now zero. */ #ifndef atomic_increment_and_test # define atomic_increment_and_test(mem) \ @@ -203,11 +320,21 @@ #endif +#ifndef catomic_decrement +# define catomic_decrement(mem) catomic_add ((mem), -1) +#endif + + #ifndef atomic_decrement_val # define atomic_decrement_val(mem) (atomic_exchange_and_add ((mem), -1) - 1) #endif +#ifndef catomic_decrement_val +# define catomic_decrement_val(mem) (catomic_exchange_and_add ((mem), -1) - 1) +#endif + + /* Subtract 1 from *MEM and return true iff it's now zero. */ #ifndef atomic_decrement_and_test # define atomic_decrement_and_test(mem) \ @@ -218,35 +345,34 @@ /* Decrement *MEM if it is > 0, and return the old value. */ #ifndef atomic_decrement_if_positive # define atomic_decrement_if_positive(mem) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ + ({ __typeof (*(mem)) __atg11_oldval; \ + __typeof (mem) __atg11_memp = (mem); \ \ do \ { \ - __oldval = *__memp; \ - if (__builtin_expect (__oldval <= 0, 0)) \ + __atg11_oldval = *__atg11_memp; \ + if (__builtin_expect (__atg11_oldval <= 0, 0)) \ break; \ } \ - while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __oldval \ - - 1, \ - __oldval),\ - 0));\ - __oldval; }) + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg11_memp, \ + __atg11_oldval - 1, \ + __atg11_oldval), 0)); \ + __atg11_oldval; }) #endif #ifndef atomic_add_negative # define atomic_add_negative(mem, value) \ - ({ __typeof (value) __aan_value = (value); \ - atomic_exchange_and_add (mem, __aan_value) < -__aan_value; }) + ({ __typeof (value) __atg12_value = (value); \ + atomic_exchange_and_add (mem, __atg12_value) < -__atg12_value; }) #endif #ifndef atomic_add_zero # define atomic_add_zero(mem, value) \ - ({ __typeof (value) __aaz_value = (value); \ - atomic_exchange_and_add (mem, __aaz_value) == -__aaz_value; }) + ({ __typeof (value) __atg13_value = (value); \ + atomic_exchange_and_add (mem, __atg13_value) == -__atg13_value; }) #endif @@ -258,55 +384,102 @@ #ifndef atomic_bit_test_set # define atomic_bit_test_set(mem, bit) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __mask = ((__typeof (*(mem))) 1 << (bit)); \ + ({ __typeof (*(mem)) __atg14_old; \ + __typeof (mem) __atg14_memp = (mem); \ + __typeof (*(mem)) __atg14_mask = ((__typeof (*(mem))) 1 << (bit)); \ \ do \ - __oldval = (*__memp); \ - while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __oldval \ - | __mask, \ - __oldval),\ - 0)); \ + __atg14_old = (*__atg14_memp); \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg14_memp, \ + __atg14_old | __atg14_mask,\ + __atg14_old), 0)); \ \ - __oldval & __mask; }) + __atg14_old & __atg14_mask; }) #endif -/* Atomically *mem &= mask and return the old value of *mem. */ +/* Atomically *mem &= mask. */ #ifndef atomic_and # define atomic_and(mem, mask) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __mask = (mask); \ + do { \ + __typeof (*(mem)) __atg15_old; \ + __typeof (mem) __atg15_memp = (mem); \ + __typeof (*(mem)) __atg15_mask = (mask); \ + \ + do \ + __atg15_old = (*__atg15_memp); \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg15_memp, \ + __atg15_old & __atg15_mask, \ + __atg15_old), 0)); \ + } while (0) +#endif + +/* Atomically *mem &= mask and return the old value of *mem. */ +#ifndef atomic_and_val +# define atomic_and_val(mem, mask) \ + ({ __typeof (*(mem)) __atg16_old; \ + __typeof (mem) __atg16_memp = (mem); \ + __typeof (*(mem)) __atg16_mask = (mask); \ \ do \ - __oldval = (*__memp); \ - while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __oldval \ - & __mask, \ - __oldval),\ - 0)); \ + __atg16_old = (*__atg16_memp); \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg16_memp, \ + __atg16_old & __atg16_mask,\ + __atg16_old), 0)); \ \ - __oldval; }) + __atg16_old; }) #endif /* Atomically *mem |= mask and return the old value of *mem. */ #ifndef atomic_or # define atomic_or(mem, mask) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __mask = (mask); \ + do { \ + __typeof (*(mem)) __atg17_old; \ + __typeof (mem) __atg17_memp = (mem); \ + __typeof (*(mem)) __atg17_mask = (mask); \ + \ + do \ + __atg17_old = (*__atg17_memp); \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg17_memp, \ + __atg17_old | __atg17_mask, \ + __atg17_old), 0)); \ + } while (0) +#endif + +#ifndef catomic_or +# define catomic_or(mem, mask) \ + do { \ + __typeof (*(mem)) __atg18_old; \ + __typeof (mem) __atg18_memp = (mem); \ + __typeof (*(mem)) __atg18_mask = (mask); \ + \ + do \ + __atg18_old = (*__atg18_memp); \ + while (__builtin_expect \ + (catomic_compare_and_exchange_bool_acq (__atg18_memp, \ + __atg18_old | __atg18_mask,\ + __atg18_old), 0)); \ + } while (0) +#endif + +/* Atomically *mem |= mask and return the old value of *mem. */ +#ifndef atomic_or_val +# define atomic_or_val(mem, mask) \ + ({ __typeof (*(mem)) __atg19_old; \ + __typeof (mem) __atg19_memp = (mem); \ + __typeof (*(mem)) __atg19_mask = (mask); \ \ do \ - __oldval = (*__memp); \ - while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \ - __oldval \ - | __mask, \ - __oldval),\ - 0)); \ + __atg19_old = (*__atg19_memp); \ + while (__builtin_expect \ + (atomic_compare_and_exchange_bool_acq (__atg19_memp, \ + __atg19_old | __atg19_mask,\ + __atg19_old), 0)); \ \ - __oldval; }) + __atg19_old; }) #endif #ifndef atomic_full_barrier diff --git a/include/dlfcn.h b/include/dlfcn.h index 9144dd2f3f..79c8f7d31b 100644 --- a/include/dlfcn.h +++ b/include/dlfcn.h @@ -47,6 +47,9 @@ libc_hidden_proto (_dl_addr) /* Close an object previously opened by _dl_open. */ extern void _dl_close (void *map) attribute_hidden; +/* Same as above, but without locking and safety checks for user + provided map arguments. */ +extern void _dl_close_worker (struct link_map *map) attribute_hidden; /* Look up NAME in shared object HANDLE (which may be RTLD_DEFAULT or RTLD_NEXT). WHO is the calling function, for RTLD_NEXT. Returns diff --git a/include/errno.h b/include/errno.h index fe8bca44c5..80c7b6ec13 100644 --- a/include/errno.h +++ b/include/errno.h @@ -19,7 +19,7 @@ extern int rtld_errno attribute_hidden; # else -# include <tls.h> /* Defines USE_TLS. */ +# include <tls.h> # if USE___THREAD # undef errno diff --git a/include/libc-symbols.h b/include/libc-symbols.h index da46f5e804..a2faeafb32 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -114,6 +114,13 @@ # define _weak_alias(name, aliasname) \ extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))); +/* Same as WEAK_ALIAS, but mark symbol as hidden. */ +# define weak_hidden_alias(name, aliasname) \ + _weak_hidden_alias (name, aliasname) +# define _weak_hidden_alias(name, aliasname) \ + extern __typeof (name) aliasname \ + __attribute__ ((weak, alias (#name), __visibility__ ("hidden"))); + /* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined). */ # define weak_extern(symbol) _weak_extern (weak symbol) # define _weak_extern(expr) _Pragma (#expr) @@ -121,6 +128,7 @@ # else # define weak_alias(name, aliasname) strong_alias(name, aliasname) +# define weak_hidden_alias(name, aliasname) strong_alias(name, aliasname) # define weak_extern(symbol) /* Nothing. */ # endif @@ -286,27 +294,42 @@ requires at runtime the shared libraries from the glibc version used \ for linking") #endif -/* Declare SYMBOL to be TYPE (`function' or `object') and of SIZE bytes, - when the assembler supports such declarations (such as in ELF). +/* Declare SYMBOL to be TYPE (`function' or `object') of SIZE bytes + alias to ORIGINAL, when the assembler supports such declarations + (such as in ELF). This is only necessary when defining something in assembly, or playing funny alias games where the size should be other than what the compiler thinks it is. */ -#define declare_symbol(symbol, type, size) \ - declare_symbol_1 (symbol, type, size) +#define declare_symbol_alias(symbol, original, type, size) \ + declare_symbol_alias_1 (symbol, original, type, size) #ifdef ASM_TYPE_DIRECTIVE_PREFIX # ifdef __ASSEMBLER__ -# define declare_symbol_1(symbol, type, size) \ +# define declare_symbol_alias_1(symbol, original, type, size) \ + strong_alias (original, symbol); \ .type C_SYMBOL_NAME (symbol), \ - declare_symbol_1_paste (ASM_TYPE_DIRECTIVE_PREFIX, type), size -# define declare_symbol_1_paste(a, b) declare_symbol_1_paste_1 (a,b) -# define declare_symbol_1_paste_1(a,b) a##b + declare_symbol_alias_1_paste (ASM_TYPE_DIRECTIVE_PREFIX, type); \ + .size C_SYMBOL_NAME (symbol), size +# define declare_symbol_alias_1_paste(a, b) \ + declare_symbol_alias_1_paste_1 (a,b) +# define declare_symbol_alias_1_paste_1(a,b) a##b # else /* Not __ASSEMBLER__. */ -# define declare_symbol_1(symbol, type, size) \ - asm (".type " __SYMBOL_PREFIX #symbol ", " \ - declare_symbol_1_stringify (ASM_TYPE_DIRECTIVE_PREFIX) #type \ +# define declare_symbol_alias_1(symbol, original, type, size) \ + asm (declare_symbol_alias_1_stringify (ASM_GLOBAL_DIRECTIVE) \ + " " __SYMBOL_PREFIX #symbol \ + "\n\t" declare_symbol_alias_1_alias (symbol, original) \ + "\n\t.type " __SYMBOL_PREFIX #symbol ", " \ + declare_symbol_alias_1_stringify (ASM_TYPE_DIRECTIVE_PREFIX) #type \ "\n\t.size " __SYMBOL_PREFIX #symbol ", " #size); -# define declare_symbol_1_stringify(x) declare_symbol_1_stringify_1 (x) -# define declare_symbol_1_stringify_1(x) #x +# define declare_symbol_alias_1_stringify(x) \ + declare_symbol_alias_1_stringify_1 (x) +# define declare_symbol_alias_1_stringify_1(x) #x +# ifdef HAVE_ASM_SET_DIRECTIVE +# define declare_symbol_alias_1_alias(symbol, original) \ + ".set " __SYMBOL_PREFIX #symbol ", " __SYMBOL_PREFIX #original +# else +# define declare_symbol_alias_1_alias(symbol, original) \ + __SYMBOL_PREFIX #symbol " = " __SYMBOL_PREFIX #original +# endif /* HAVE_ASM_SET_DIRECTIVE */ # endif /* __ASSEMBLER__ */ #else # define declare_symbol_1(symbol, type, size) /* Nothing. */ @@ -431,8 +454,7 @@ for linking") strong_alias(real, name) #endif -#if defined HAVE_VISIBILITY_ATTRIBUTE \ - && (defined SHARED || defined LIBC_NONSHARED) +#if defined SHARED || defined LIBC_NONSHARED # define attribute_hidden __attribute__ ((visibility ("hidden"))) #else # define attribute_hidden @@ -444,11 +466,7 @@ for linking") # define attribute_tls_model_ie #endif -#ifdef HAVE_Z_RELRO -# define attribute_relro __attribute__ ((section (".data.rel.ro"))) -#else -# define attribute_relro -#endif +#define attribute_relro __attribute__ ((section (".data.rel.ro"))) /* Handling on non-exported internal names. We have to do this only for shared code. */ @@ -457,14 +475,9 @@ for linking") # define INTDEF(name) strong_alias (name, name##_internal) # define INTVARDEF(name) \ _INTVARDEF (name, name##_internal) -# if defined HAVE_VISIBILITY_ATTRIBUTE -# define _INTVARDEF(name, aliasname) \ +# define _INTVARDEF(name, aliasname) \ extern __typeof (name) aliasname __attribute__ ((alias (#name), \ visibility ("hidden"))); -# else -# define _INTVARDEF(name, aliasname) \ - extern __typeof (name) aliasname __attribute__ ((alias (#name))); -# endif # define INTDEF2(name, newname) strong_alias (name, newname##_internal) # define INTVARDEF2(name, newname) _INTVARDEF (name, newname##_internal) #else @@ -549,16 +562,10 @@ for linking") versioned_symbol (libc, __real_foo, foo, GLIBC_2_1); libc_hidden_ver (__real_foo, foo) */ -#if defined SHARED && defined DO_VERSIONING \ - && !defined HAVE_BROKEN_ALIAS_ATTRIBUTE && !defined NO_HIDDEN +#if defined SHARED && defined DO_VERSIONING && !defined NO_HIDDEN # ifndef __ASSEMBLER__ -# if !defined HAVE_VISIBILITY_ATTRIBUTE \ - || defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE -# define __hidden_proto_hiddenattr(attrs...) -# else -# define __hidden_proto_hiddenattr(attrs...) \ +# define __hidden_proto_hiddenattr(attrs...) \ __attribute__ ((visibility ("hidden"), ##attrs)) -# endif # define hidden_proto(name, attrs...) \ __hidden_proto (name, __GI_##name, ##attrs) # define __hidden_proto(name, internal, attrs...) \ diff --git a/include/link.h b/include/link.h index 9311256aff..b45deabf7f 100644 --- a/include/link.h +++ b/include/link.h @@ -1,6 +1,6 @@ /* Data structure for communication from the run-time dynamic linker for loaded ELF shared objects. - Copyright (C) 1995-2006, 2007 Free Software Foundation, Inc. + Copyright (C) 1995-2002,2003,2004,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -44,6 +44,7 @@ extern unsigned int la_objopen (struct link_map *__map, Lmid_t __lmid, #include <dl-lookupcfg.h> #include <tls.h> #include <bits/libc-lock.h> +#include <rtld-lowlevel.h> /* Some internal data structures of the dynamic linker used in the @@ -121,7 +122,7 @@ struct link_map are indexed by DT_ADDRTAGIDX(tagvalue), see <elf.h>. */ ElfW(Dyn) *l_info[DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM - + DT_EXTRANUM + DT_VALNUM + DT_ADDRNUM]; + + DT_EXTRANUM + DT_VALNUM + DT_ADDRNUM]; const ElfW(Phdr) *l_phdr; /* Pointer to program header table in core. */ ElfW(Addr) l_entry; /* Entry point location. */ ElfW(Half) l_phnum; /* Number of program header entries. */ @@ -182,9 +183,6 @@ struct link_map is interested in the PLT interception.*/ unsigned int l_removed:1; /* Nozero if the object cannot be used anymore since it is removed. */ - unsigned int l_contiguous:1; /* Nonzero if inter-segment holes are - mprotected or if no holes are present at - all. */ /* Array with version names. */ unsigned int l_nversions; @@ -222,6 +220,8 @@ struct link_map /* This is an array defining the lookup scope for this link map. There are initially at most three different scope lists. */ struct r_scope_elem **l_scope; + /* We need to protect using the SCOPEREC. */ + __rtld_mrlock_define (, l_scope_lock) /* A similar array, this time only with the local scope. This is used occasionally. */ @@ -261,7 +261,6 @@ struct link_map const ElfW(Sym) *ret; } l_lookup_cache; -#ifdef USE_TLS /* Thread-local storage related info. */ /* Start of the initialization image. */ @@ -274,14 +273,13 @@ struct link_map size_t l_tls_align; /* Offset of first byte module alignment. */ size_t l_tls_firstbyte_offset; -# ifndef NO_TLS_OFFSET -# define NO_TLS_OFFSET 0 -# endif +#ifndef NO_TLS_OFFSET +# define NO_TLS_OFFSET 0 +#endif /* For objects present at startup time: offset in the static TLS block. */ ptrdiff_t l_tls_offset; /* Index of the module in the dtv array. */ size_t l_tls_modid; -#endif /* Information used to change permission after the relocations are done. */ diff --git a/include/rpcsvc/nislib.h b/include/rpcsvc/nislib.h index 635c513e4d..9c2be0e811 100644 --- a/include/rpcsvc/nislib.h +++ b/include/rpcsvc/nislib.h @@ -42,6 +42,4 @@ libnsl_hidden_proto (__nis_default_group) libnsl_hidden_proto (__nis_default_access) libnsl_hidden_proto (nis_clone_object) -extern const_nis_name __nis_domain_of (const_nis_name) __THROW; - #endif diff --git a/include/shlib-compat.h b/include/shlib-compat.h index 1e6d1782d9..79246dff25 100644 --- a/include/shlib-compat.h +++ b/include/shlib-compat.h @@ -1,5 +1,5 @@ /* Macros for managing ABI-compatibility definitions using ELF symbol versions. - Copyright (C) 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 2000, 2002, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -44,6 +44,8 @@ in the GLIBC_2.0 version and obsoleted in the GLIBC_2.2 version. */ # define SHLIB_COMPAT(lib, introduced, obsoleted) \ + _SHLIB_COMPAT (lib, introduced, obsoleted) +# define _SHLIB_COMPAT(lib, introduced, obsoleted) \ ((IS_IN_##lib - 0) \ && (!(ABI_##lib##_##obsoleted - 0) \ || ((ABI_##lib##_##introduced - 0) < (ABI_##lib##_##obsoleted - 0)))) @@ -62,13 +64,17 @@ shlib-versions if that is newer. */ # define versioned_symbol(lib, local, symbol, version) \ - versioned_symbol_1 (local, symbol, VERSION_##lib##_##version) -# define versioned_symbol_1(local, symbol, name) \ + versioned_symbol_1 (lib, local, symbol, version) +# define versioned_symbol_1(lib, local, symbol, version) \ + versioned_symbol_2 (local, symbol, VERSION_##lib##_##version) +# define versioned_symbol_2(local, symbol, name) \ default_symbol_version (local, symbol, name) # define compat_symbol(lib, local, symbol, version) \ - compat_symbol_1 (local, symbol, VERSION_##lib##_##version) -# define compat_symbol_1(local, symbol, name) \ + compat_symbol_1 (lib, local, symbol, version) +# define compat_symbol_1(lib, local, symbol, version) \ + compat_symbol_2 (local, symbol, VERSION_##lib##_##version) +# define compat_symbol_2(local, symbol, name) \ symbol_version (local, symbol, name) #else diff --git a/include/stdio.h b/include/stdio.h index e040380d79..b293b8f1c7 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -131,7 +131,6 @@ libc_hidden_proto (__vsnprintf_chk) libc_hidden_proto (__vfprintf_chk) # if !defined NOT_IN_libc && defined SHARED && defined DO_VERSIONING \ - && defined HAVE_VISIBILITY_ATTRIBUTE && !defined HAVE_BROKEN_ALIAS_ATTRIBUTE\ && !defined NO_HIDDEN /* Special gcc builtins. */ extern size_t __builtin_fwrite (const void *, size_t, size_t, void *) diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h index cd0750b452..8ba980477d 100644 --- a/include/sys/cdefs.h +++ b/include/sys/cdefs.h @@ -2,12 +2,6 @@ #include <misc/sys/cdefs.h> -/* The compiler will optimize based on the knowledge the parameter is - not NULL. This will omit tests. A robust implementation cannot allow - this so when compiling glibc itself we ignore this attribute. */ -#undef __nonnull -#define __nonnull(params) - extern void __chk_fail (void) __attribute__ ((__noreturn__)); libc_hidden_proto (__chk_fail) rtld_hidden_proto (__chk_fail) diff --git a/include/sys/mman.h b/include/sys/mman.h index a4687b30f7..8c07a4e2c6 100644 --- a/include/sys/mman.h +++ b/include/sys/mman.h @@ -12,7 +12,4 @@ extern int __mprotect (void *__addr, size_t __len, int __prot); /* This one is Linux specific. */ extern void *__mremap (void *__addr, size_t __old_len, size_t __new_len, int __flags, ...); - -libc_hidden_proto (madvise); - #endif diff --git a/include/tls.h b/include/tls.h index ffd3e4e70c..1642456a73 100644 --- a/include/tls.h +++ b/include/tls.h @@ -5,8 +5,7 @@ #include_next <tls.h> -#if USE_TLS && HAVE___THREAD \ - && (!defined NOT_IN_libc || defined IS_IN_libpthread) +#if HAVE___THREAD && (!defined NOT_IN_libc || defined IS_IN_libpthread) # define USE___THREAD 1 |