[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.

1 files changed, 270 insertions, 100 deletions

diff --git a/sysdeps/i386/i486/bits/atomic.h b/sysdeps/i386/i486/bits/atomic.h
index c748761758..a27734c37e 100644
--- a/sysdeps/i386/i486/bits/atomic.h
+++ b/sysdeps/i386/i486/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -18,6 +18,7 @@
    02111-1307 USA.  */
 
 #include <stdint.h>
+#include <tls.h>	/* For tcbhead_t.  */
 
 
 typedef int8_t atomic8_t;
@@ -76,6 +77,40 @@ typedef uintmax_t uatomic_max_t;
 		       : "r" (newval), "m" (*mem), "0" (oldval));	      \
      ret; })
 
+
+#define __arch_c_compare_and_exchange_val_8_acq(mem, newval, oldval) \
+  ({ __typeof (*mem) ret;						      \
+     __asm __volatile ("cmpl $0, %%gs:%P5\n\t"                                \
+                       "je 0f\n\t"                                            \
+                       "lock\n"                                               \
+                       "0:\tcmpxchgb %b2, %1"				      \
+		       : "=a" (ret), "=m" (*mem)			      \
+		       : "q" (newval), "m" (*mem), "0" (oldval),	      \
+			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
+     ret; })
+
+#define __arch_c_compare_and_exchange_val_16_acq(mem, newval, oldval) \
+  ({ __typeof (*mem) ret;						      \
+     __asm __volatile ("cmpl $0, %%gs:%P5\n\t"                                \
+                       "je 0f\n\t"                                            \
+                       "lock\n"                                               \
+                       "0:\tcmpxchgw %w2, %1"				      \
+		       : "=a" (ret), "=m" (*mem)			      \
+		       : "r" (newval), "m" (*mem), "0" (oldval),	      \
+			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
+     ret; })
+
+#define __arch_c_compare_and_exchange_val_32_acq(mem, newval, oldval) \
+  ({ __typeof (*mem) ret;						      \
+     __asm __volatile ("cmpl $0, %%gs:%P5\n\t"                                \
+                       "je 0f\n\t"                                            \
+                       "lock\n"                                               \
+                       "0:\tcmpxchgl %2, %1"				      \
+		       : "=a" (ret), "=m" (*mem)			      \
+		       : "r" (newval), "m" (*mem), "0" (oldval),	      \
+			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
+     ret; })
+
 /* XXX We do not really need 64-bit compare-and-exchange.  At least
    not in the moment.  Using it would mean causing portability
    problems since not many other 32-bit architectures have support for
@@ -85,6 +120,8 @@ typedef uintmax_t uatomic_max_t;
 #if 1
 # define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
   ({ __typeof (*mem) ret = *(mem); abort (); ret = (newval); ret = (oldval); })
+# define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
+  ({ __typeof (*mem) ret = *(mem); abort (); ret = (newval); ret = (oldval); })
 #else
 # ifdef __PIC__
 #  define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
@@ -100,6 +137,24 @@ typedef uintmax_t uatomic_max_t;
 					  & 0xffffffff),		      \
 			 "d" (((unsigned long long int) (oldval)) >> 32));    \
      ret; })
+
+#  define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
+  ({ __typeof (*mem) ret;						      \
+     __asm __volatile ("xchgl %2, %%ebx\n\t"				      \
+		       "cmpl $0, %%gs:%P7\n\t"				      \
+		       "je 0f\n\t"					      \
+		       "lock\n"						      \
+		       "0:\tcmpxchg8b %1\n\t"				      \
+		       "xchgl %2, %%ebx"				      \
+		       : "=A" (ret), "=m" (*mem)			      \
+		       : "DS" (((unsigned long long int) (newval))	      \
+			       & 0xffffffff),				      \
+			 "c" (((unsigned long long int) (newval)) >> 32),     \
+			 "m" (*mem), "a" (((unsigned long long int) (oldval)) \
+					  & 0xffffffff),		      \
+			 "d" (((unsigned long long int) (oldval)) >> 32),     \
+			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
+     ret; })
 # else
 #  define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
   ({ __typeof (*mem) ret;						      \
@@ -112,6 +167,22 @@ typedef uintmax_t uatomic_max_t;
 					  & 0xffffffff),		      \
 			 "d" (((unsigned long long int) (oldval)) >> 32));    \
      ret; })
+
+#  define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
+  ({ __typeof (*mem) ret;						      \
+     __asm __volatile ("cmpl $0, %%gs:%P7\n\t"				      \
+		       "je 0f\n\t"					      \
+		       "lock\n"						      \
+		       "0:\tcmpxchg8b %1"				      \
+		       : "=A" (ret), "=m" (*mem)			      \
+		       : "b" (((unsigned long long int) (newval))	      \
+			      & 0xffffffff),				      \
+			 "c" (((unsigned long long int) (newval)) >> 32),     \
+			 "m" (*mem), "a" (((unsigned long long int) (oldval)) \
+					  & 0xffffffff),		      \
+			 "d" (((unsigned long long int) (oldval)) >> 32),     \
+			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
+     ret; })
 # endif
 #endif
 
@@ -139,21 +210,24 @@ typedef uintmax_t uatomic_max_t;
      result; })
 
 
-#define atomic_exchange_and_add(mem, value) \
+#define __arch_exchange_and_add_body(lock, pfx, mem, value) \
   ({ __typeof (*mem) __result;						      \
      __typeof (value) __addval = (value);				      \
      if (sizeof (*mem) == 1)						      \
-       __asm __volatile (LOCK_PREFIX "xaddb %b0, %1"			      \
+       __asm __volatile (lock "xaddb %b0, %1"				      \
 			 : "=r" (__result), "=m" (*mem)			      \
-			 : "0" (__addval), "m" (*mem));			      \
+			 : "0" (__addval), "m" (*mem),			      \
+			   "i" (offsetof (tcbhead_t, multiple_threads)));     \
      else if (sizeof (*mem) == 2)					      \
-       __asm __volatile (LOCK_PREFIX "xaddw %w0, %1"			      \
+       __asm __volatile (lock "xaddw %w0, %1"				      \
 			 : "=r" (__result), "=m" (*mem)			      \
-			 : "0" (__addval), "m" (*mem));			      \
+			 : "0" (__addval), "m" (*mem),			      \
+			   "i" (offsetof (tcbhead_t, multiple_threads)));     \
      else if (sizeof (*mem) == 4)					      \
-       __asm __volatile (LOCK_PREFIX "xaddl %0, %1"			      \
+       __asm __volatile (lock "xaddl %0, %1"				      \
 			 : "=r" (__result), "=m" (*mem)			      \
-			 : "0" (__addval), "m" (*mem));			      \
+			 : "0" (__addval), "m" (*mem),			      \
+			   "i" (offsetof (tcbhead_t, multiple_threads)));     \
      else								      \
        {								      \
 	 __typeof (mem) __memp = (mem);					      \
@@ -161,41 +235,64 @@ typedef uintmax_t uatomic_max_t;
 	 __result = *__memp;						      \
 	 do								      \
 	   __tmpval = __result;						      \
-	 while ((__result = __arch_compare_and_exchange_val_64_acq	      \
+	 while ((__result = pfx##_compare_and_exchange_val_64_acq	      \
 		 (__memp, __result + __addval, __result)) == __tmpval);	      \
        }								      \
      __result; })
 
+#define atomic_exchange_and_add(mem, value) \
+  __arch_exchange_and_add_body (LOCK_PREFIX, __arch, mem, value)
+
+#define __arch_exchange_and_add_cprefix \
+  "cmpl $0, %%gs:%P4\n\tje 0f\n\tlock\n0:\t"
+
+#define catomic_exchange_and_add(mem, value) \
+  __arch_exchange_and_add_body (__arch_exchange_and_add_cprefix, __arch_c,    \
+				mem, value)
+
+
+#define __arch_add_body(lock, pfx, mem, value) \
+  do {									      \
+    if (__builtin_constant_p (value) && (value) == 1)			      \
+      atomic_increment (mem);						      \
+    else if (__builtin_constant_p (value) && (value) == -1)		      \
+      atomic_decrement (mem);						      \
+    else if (sizeof (*mem) == 1)					      \
+      __asm __volatile (lock "addb %b1, %0"				      \
+			: "=m" (*mem)					      \
+			: "ir" (value), "m" (*mem),			      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 2)					      \
+      __asm __volatile (lock "addw %w1, %0"				      \
+			: "=m" (*mem)					      \
+			: "ir" (value), "m" (*mem),			      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 4)					      \
+      __asm __volatile (lock "addl %1, %0"				      \
+			: "=m" (*mem)					      \
+			: "ir" (value), "m" (*mem),			      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else								      \
+      {									      \
+	__typeof (value) __addval = (value);				      \
+	__typeof (mem) __memp = (mem);					      \
+	__typeof (*mem) __oldval = *__memp;				      \
+	__typeof (*mem) __tmpval;					      \
+	do								      \
+	  __tmpval = __oldval;						      \
+	while ((__oldval = pfx##_compare_and_exchange_val_64_acq	      \
+		(__memp, __oldval + __addval, __oldval)) == __tmpval);	      \
+      }									      \
+  } while (0)
 
 #define atomic_add(mem, value) \
-  (void) ({ if (__builtin_constant_p (value) && (value) == 1)		      \
-	      atomic_increment (mem);					      \
-	    else if (__builtin_constant_p (value) && (value) == -1)	      \
-	      atomic_decrement (mem);					      \
-	    else if (sizeof (*mem) == 1)				      \
-	      __asm __volatile (LOCK_PREFIX "addb %b1, %0"		      \
-				: "=m" (*mem)				      \
-				: "ir" (value), "m" (*mem));		      \
-	    else if (sizeof (*mem) == 2)				      \
-	      __asm __volatile (LOCK_PREFIX "addw %w1, %0"		      \
-				: "=m" (*mem)				      \
-				: "ir" (value), "m" (*mem));		      \
-	    else if (sizeof (*mem) == 4)				      \
-	      __asm __volatile (LOCK_PREFIX "addl %1, %0"		      \
-				: "=m" (*mem)				      \
-				: "ir" (value), "m" (*mem));		      \
-	    else							      \
-	      {								      \
-		__typeof (value) __addval = (value);			      \
-		__typeof (mem) __memp = (mem);				      \
-		__typeof (*mem) __oldval = *__memp;			      \
-		__typeof (*mem) __tmpval;				      \
-		do							      \
-		  __tmpval = __oldval;					      \
-		while ((__oldval = __arch_compare_and_exchange_val_64_acq     \
-		       (__memp, __oldval + __addval, __oldval)) == __tmpval); \
-	      }								      \
-	    })
+  __arch_add_body (LOCK_PREFIX, __arch, mem, value)
+
+#define __arch_add_cprefix \
+  "cmpl $0, %%gs:%P3\n\tje 0f\n\tlock\n0:\t"
+
+#define catomic_add(mem, value) \
+  __arch_add_body (__arch_add_cprefix, __arch_c, mem, value)
 
 
 #define atomic_add_negative(mem, value) \
@@ -236,30 +333,42 @@ typedef uintmax_t uatomic_max_t;
      __result; })
 
 
-#define atomic_increment(mem) \
-  (void) ({ if (sizeof (*mem) == 1)					      \
-	      __asm __volatile (LOCK_PREFIX "incb %b0"			      \
-				: "=m" (*mem)				      \
-				: "m" (*mem));				      \
-	    else if (sizeof (*mem) == 2)				      \
-	      __asm __volatile (LOCK_PREFIX "incw %w0"			      \
-				: "=m" (*mem)				      \
-				: "m" (*mem));				      \
-	    else if (sizeof (*mem) == 4)				      \
-	      __asm __volatile (LOCK_PREFIX "incl %0"			      \
-				: "=m" (*mem)				      \
-				: "m" (*mem));				      \
-	    else							      \
-	      {								      \
-		__typeof (mem) __memp = (mem);				      \
-		__typeof (*mem) __oldval = *__memp;			      \
-		__typeof (*mem) __tmpval;				      \
-		do							      \
-		  __tmpval = __oldval;					      \
-		while ((__oldval = __arch_compare_and_exchange_val_64_acq     \
-		       (__memp, __oldval + 1, __oldval)) == __tmpval);	      \
-	      }								      \
-	    })
+#define __arch_increment_body(lock,  pfx, mem) \
+  do {									      \
+    if (sizeof (*mem) == 1)						      \
+      __asm __volatile (lock "incb %b0"					      \
+			: "=m" (*mem)					      \
+			: "m" (*mem),					      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 2)					      \
+      __asm __volatile (lock "incw %w0"					      \
+			: "=m" (*mem)					      \
+			: "m" (*mem),					      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 4)					      \
+      __asm __volatile (lock "incl %0"					      \
+			: "=m" (*mem)					      \
+			: "m" (*mem),					      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else								      \
+      {									      \
+	__typeof (mem) __memp = (mem);					      \
+	__typeof (*mem) __oldval = *__memp;				      \
+	__typeof (*mem) __tmpval;					      \
+	do								      \
+	  __tmpval = __oldval;						      \
+	while ((__oldval = pfx##_compare_and_exchange_val_64_acq	      \
+		(__memp, __oldval + 1, __oldval)) == __tmpval);		      \
+      }									      \
+  } while (0)
+
+#define atomic_increment(mem) __arch_increment_body (LOCK_PREFIX, __arch, mem)
+
+#define __arch_increment_cprefix \
+  "cmpl $0, %%gs:%P2\n\tje 0f\n\tlock\n0:\t"
+
+#define catomic_increment(mem) \
+  __arch_increment_body (__arch_increment_cprefix, __arch_c, mem)
 
 
 #define atomic_increment_and_test(mem) \
@@ -281,30 +390,42 @@ typedef uintmax_t uatomic_max_t;
      __result; })
 
 
-#define atomic_decrement(mem) \
-  (void) ({ if (sizeof (*mem) == 1)					      \
-	      __asm __volatile (LOCK_PREFIX "decb %b0"			      \
-				: "=m" (*mem)				      \
-				: "m" (*mem));				      \
-	    else if (sizeof (*mem) == 2)				      \
-	      __asm __volatile (LOCK_PREFIX "decw %w0"			      \
-				: "=m" (*mem)				      \
-				: "m" (*mem));				      \
-	    else if (sizeof (*mem) == 4)				      \
-	      __asm __volatile (LOCK_PREFIX "decl %0"			      \
-				: "=m" (*mem)				      \
-				: "m" (*mem));				      \
-	    else							      \
-	      {								      \
-		__typeof (mem) __memp = (mem);				      \
-		__typeof (*mem) __oldval = *__memp;			      \
-		__typeof (*mem) __tmpval;				      \
-		do							      \
-		  __tmpval = __oldval;					      \
-		while ((__oldval = __arch_compare_and_exchange_val_64_acq     \
-		       (__memp, __oldval - 1, __oldval)) == __tmpval); 	      \
-	      }								      \
-	    })
+#define __arch_decrement_body(lock, pfx, mem) \
+  do {									      \
+    if (sizeof (*mem) == 1)						      \
+      __asm __volatile (lock "decb %b0"					      \
+			: "=m" (*mem)					      \
+			: "m" (*mem),					      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 2)					      \
+      __asm __volatile (lock "decw %w0"					      \
+			: "=m" (*mem)					      \
+			: "m" (*mem),					      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 4)					      \
+      __asm __volatile (lock "decl %0"					      \
+			: "=m" (*mem)					      \
+			: "m" (*mem),					      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else								      \
+      {									      \
+	__typeof (mem) __memp = (mem);					      \
+	__typeof (*mem) __oldval = *__memp;				      \
+	__typeof (*mem) __tmpval;					      \
+	do								      \
+	  __tmpval = __oldval;						      \
+	while ((__oldval = pfx##_compare_and_exchange_val_64_acq	      \
+		(__memp, __oldval - 1, __oldval)) == __tmpval); 	      \
+      }									      \
+  } while (0)
+
+#define atomic_decrement(mem) __arch_decrement_body (LOCK_PREFIX, __arch, mem)
+
+#define __arch_decrement_cprefix \
+  "cmpl $0, %%gs:%P2\n\tje 0f\n\tlock\n0:\t"
+
+#define catomic_decrement(mem) \
+  __arch_decrement_body (__arch_decrement_cprefix, __arch_c, mem)
 
 
 #define atomic_decrement_and_test(mem) \
@@ -327,21 +448,22 @@ typedef uintmax_t uatomic_max_t;
 
 
 #define atomic_bit_set(mem, bit) \
-  (void) ({ if (sizeof (*mem) == 1)					      \
-	      __asm __volatile (LOCK_PREFIX "orb %b2, %0"		      \
-				: "=m" (*mem)				      \
-				: "m" (*mem), "ir" (1 << (bit)));	      \
-	    else if (sizeof (*mem) == 2)				      \
-	      __asm __volatile (LOCK_PREFIX "orw %w2, %0"		      \
-				: "=m" (*mem)				      \
-				: "m" (*mem), "ir" (1 << (bit)));	      \
-	    else if (sizeof (*mem) == 4)				      \
-	      __asm __volatile (LOCK_PREFIX "orl %2, %0"		      \
-				: "=m" (*mem)				      \
-				: "m" (*mem), "ir" (1 << (bit)));	      \
-	    else							      \
-	      abort ();							      \
-	    })
+  do {									      \
+    if (sizeof (*mem) == 1)						      \
+      __asm __volatile (LOCK_PREFIX "orb %b2, %0"			      \
+			: "=m" (*mem)					      \
+			: "m" (*mem), "ir" (1 << (bit)));		      \
+    else if (sizeof (*mem) == 2)					      \
+      __asm __volatile (LOCK_PREFIX "orw %w2, %0"			      \
+			: "=m" (*mem)					      \
+			: "m" (*mem), "ir" (1 << (bit)));		      \
+    else if (sizeof (*mem) == 4)					      \
+      __asm __volatile (LOCK_PREFIX "orl %2, %0"			      \
+			: "=m" (*mem)					      \
+			: "m" (*mem), "ir" (1 << (bit)));		      \
+    else								      \
+      abort ();								      \
+  } while (0)
 
 
 #define atomic_bit_test_set(mem, bit) \
@@ -364,3 +486,51 @@ typedef uintmax_t uatomic_max_t;
 
 
 #define atomic_delay() asm ("rep; nop")
+
+
+#define atomic_and(mem, mask) \
+  do {									      \
+    if (sizeof (*mem) == 1)						      \
+      __asm __volatile (LOCK_PREFIX "andb %1, %b0"			      \
+			: "=m" (*mem)					      \
+			: "ir" (mask), "m" (*mem));			      \
+    else if (sizeof (*mem) == 2)					      \
+      __asm __volatile (LOCK_PREFIX "andw %1, %w0"			      \
+			: "=m" (*mem)					      \
+			: "ir" (mask), "m" (*mem));			      \
+    else if (sizeof (*mem) == 4)					      \
+      __asm __volatile (LOCK_PREFIX "andl %1, %0"			      \
+			: "=m" (*mem)					      \
+			: "ir" (mask), "m" (*mem));			      \
+    else								      \
+      abort ();								      \
+  } while (0)
+
+
+#define __arch_or_body(lock, mem, mask) \
+  do {									      \
+    if (sizeof (*mem) == 1)						      \
+      __asm __volatile (lock "orb %1, %b0"				      \
+			: "=m" (*mem)					      \
+			: "ir" (mask), "m" (*mem),			      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 2)					      \
+      __asm __volatile (lock "orw %1, %w0"				      \
+			: "=m" (*mem)					      \
+			: "ir" (mask), "m" (*mem),			      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else if (sizeof (*mem) == 4)					      \
+      __asm __volatile (lock "orl %1, %0"				      \
+			: "=m" (*mem)					      \
+			: "ir" (mask), "m" (*mem),			      \
+			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
+    else								      \
+      abort ();								      \
+  } while (0)
+
+#define atomic_or(mem, mask) __arch_or_body (LOCK_PREFIX, mem, mask)
+
+#define __arch_or_cprefix \
+  "cmpl $0, %%gs:%P3\n\tje 0f\n\tlock\n0:\t"
+
+#define catomic_or(mem, mask) __arch_or_body (__arch_or_cprefix, mem, mask)