(parse_conf): Call it to parse lines starting with "include".
Remaining words are glob patterns for more config files to read.
Take additional bool argument to disable opt_chroot processing.
(main): Update caller.
2004-03-11 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/s390/s390-64/vfork.S (__vfork): Use jgnl
instead of jnl instruction to jump to SYSCALL_ERROR_LABEL.
* sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S (__vfork): Likewise.
2004-03-11 Jakub Jelinek <jakub@redhat.com>
* forward.c (__pthread_cond_broadcast_2_0,
__pthread_cond_destroy_2_0, __pthread_cond_init_2_0,
__pthread_cond_signal_2_0, __pthread_cond_wait_2_0,
__pthread_cond_timedwait_2_0): Use return 0 as defaction instead of 0.
2004-03-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S: No need to
include <sysdep-cancel.h>, vfork is no cancellation point.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/pt-vfork.S: Likewise.
2004-03-10 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h [__ASSEMBLY__] (compat_text_section,
compat_data_section): Define.
* sysdeps/unix/sysv/linux/alpha/adjtime.c (ADJTIME): Add
attribute_compat_text_section.
* sysdeps/unix/sysv/linux/alpha/wordexp.c (__old_wordexp): Likewise.
* sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob,
__old_globfree): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/chown.c (__chown_is_lchown):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
(__posix_fadvise64_l32): Likewise.
* sysdeps/unix/sysv/linux/msgctl.c (__old_msgctl): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c
(__posix_fadvise64_l32): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c (__old_semctl):
Likewise.
* sysdeps/unix/sysv/linux/semctl.c (__old_semctl): Likewise.
* sysdeps/unix/sysv/linux/posix_fadvise64.c (__posix_fadvise64_l32):
Likewise.
* sysdeps/unix/sysv/linux/shmctl.c (__old_shmctl): Likewise.
* hurd/compat-20.c (_hurd_proc_init_compat_20): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
(__swapcontext, __novec_swapcontext): Use END instead of PSEUDO_END.
(__novec_swapcontext, __swapcontext_stub): Add compat_text_section.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
(__makecontext_stub): Likewise.
(__novec_makecontext): Likewise. Fix name in END () to match
function name.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
(__setcontext): Use END instead of PSEUDO_END.
(__novec_setcontext): Add compat_text_section. Use END instead of
PSEUDO_END, fix the name in END () to match function name.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
(__getcontext, __novec_getcontext): Use END instead of PSEUDO_END.
(__novec_getcontext, __getcontext_stub): Add compat_text_section.
2004-03-10 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/dl-machine.h: Don't use GL macro if not appropriate.
(COPY_UNALIGNED_WORD): Remove cast used as lvalue.
2004-03-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/dl-procinfo.h (HWCAP_IMPORTANT): Remove mmx, add sse2.
2004-02-29 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
(__lll_mutex_lock_wait): Optimize a bit more. Just one copy of
the atomic instruction needed.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
(__lll_mutex_lock_wait): Likewise.
2004-02-27 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/createthread.c (create_thread): Remove use of
CLONE_STOPPED. We cannot use SIGCONT which means CLONE_STOPPED
needs to be implemented differently to be useful.
* pthread_attr_setschedparam.c: Don't test priority against limits
here. Set ATTR_FLAG_SCHED_SET flag.
* pthread_attr_setschedpolicy.c: Set ATTR_FLAG_POLICY_SET flag.
* pthread_create.c (__pthread_create_2_1): Copy scheduling attributes
from parent thread to child. If attribute is used and scheduling
parameters are not inherited, copy parameters from attribute or
compute them. Check priority value.
* pthread_getschedparam.c: If the parameters aren't known yet get
them from the kernel.
* pthread_setschedparam.c: Set ATTR_FLAG_SCHED_SET and
ATTR_FLAG_POLICY_SET flag for thread.
* sysdeps/unix/sysv/linux/internaltypes.h: Define ATTR_FLAG_SCHED_SET
and ATTR_FLAG_POLICY_SET.
* sysdeps/pthread/createthread.c: Use tgkill if possible.
2004-02-26 Ulrich Drepper <drepper@redhat.com>
* nss/getXXbyYY_r.c: Pass result also to the nscd_* function. Don't
set *result here.
* nscd/nscd_proto.h: Add new argument for pointer to result pointer
to all nscd_* functions.
* nscd/nscd_getgr_r.c (nscd_getgr_r): Add new parameter. Store result
pointer in the address provided by the new parameter if successful.
Otherwise store NULL. Return zero if no entry found.
(__nscd_getgrnam_r, __nscd_getgrgid_r): Add new parameter and pass
it on.
* nscd/nscd_gethst_r.c (nscd_gethst_r): Add new parameter. Store
result pointer in the address provided by the new parameter if
successful. Otherwise store NULL. Return zero if no entry found.
(__nscd_gethostbyname_r, __nscd_gethostbyname2_r,
__nscd_gethostbyaddr_r): Add new parameter and pass it on.
* nscd/nscd_getpw_r.c (nscd_getpw_r): Add new parameter. Store result
pointer in the address provided by the new parameter if successful.
Otherwise store NULL. Return zero if no entry found.
(__nscd_getpwnam_r, __nscd_getpwuid_r): Add new parameter and pass
it on.
* Makefile (tests-nolibpthread): Add tst-unload. Don't link with
libpthread for the files in this list.
(CFLAGS-tst-unload): Removed.
* tst-unload.c (do_test): Don't use complete path for
LIBPHREAD_SO.
2004-02-22 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Pop register
content also in case of an overflow in the parameter.
Reported by Momchil Velikov <velco@fadata.bg>.
2004-02-19 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc32/bits/atomic.h: Add __make_section_unallocated
for .gnu.linkonce.b.__sparc32_atomic_locks section.
(__sparc32_atomic_locks): Add __sec_comment at the end of section name.
2004-02-19 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/generic/libc-start.c [LIBC_START_DISABLE_INLINE] (STATIC):
Define as static.
* sysdeps/powerpc/elf/libc-start.c: Define LIBC_START_DISABLE_INLINE
because gcc does not allow inline of functions that call setjmp.
2004-02-19 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/powerpc64/Makefile: Use -finline-limit.
2004-02-19 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (_dl_argv): If DL_ARGV_NOT_RELRO defined, don't
use attribute_relro for _dl_argv.
* sysdeps/alpha/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
* sysdeps/ia64/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
* sysdeps/sparc/sparc32/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
* sysdeps/sparc/sparc64/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
vfork instead of fork.
* sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S
(pthread_barrier_wait): After wakeup, release lock only when the
last thread stopped using the barrier object.
* sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
(pthread_barrier_wait): Likewise.
* sysdeps/pthread/pthread_barrier_wait.c (pthread_barrier_wait):
Likewise.
* Makefile (tests): Add tst-barrier4.
* tst-barrier4.c: New file.
2004-02-16 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/pt-longjmp.c: Replace libc with
libpthread as "lib" parameter to SHLIB_COMPAT.
(__novmx_siglongjmp): Fix typo in function name.
(__novmx_longjmp): Fix typo in function name.
2004-01-29 Steven Munroe <sjmunroe@us.ibm.com>
* Makefile (libpthread-routines): Add pt-cleanup.
* pt-longjmp.c: Removed.
* pt-cleanup.c: Copied __pthread_cleanup_upto to here. New file.
* sysdeps/generic/pt-longjmp.c: Copied longjmp to here. New file.
* sysdeps/unix/sysv/linux/powerpc/Versions: New file.
Version longjmp, siglongjmp for GLIBC_2.3.4.
* sysdeps/unix/sysv/linux/powerpc/pt-longjmp.c: New File.
2004-02-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
(__pthread_cond_timedwait): Get internal lock in case timeout has
passed before the futex syscall.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
2004-01-12 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c [_LIBC && !RE_ENABLE_I18N]:
Drop code to support this, it is never true.
(build_range_exp) [!_LIBC]: Do not create a range
in MBCSET for a single-byte character set.
(build_range_exp) [_LIBC]: Do not create a range
in MBCSET for a single-byte character set without
collation elements.
(init_dfa): Do not conditionalize on _LIBC, it
just makes the code less clear.
(parse_bracket_exp): Use NON_MATCH variable in
addition to "mbcset->non_match", not as an
alternative.
(build_charclass_op): rename NOT parameter to
NON_MATCH, use it instead of declaring a variable.
(parse_bracket_exp) [!_LIBC]: Pass NULL for MBCSET
if the character set is single-byte.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/dl-execstack.c: Change interface. Add
challenge for caller.
* sysdeps/generic/ldsodefs.h: Change declaration and type of hook
member in rtld_global appropriately.
* elf/dl-support.c: Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Take additional paramter.
Pass it on to the changed function.
(_dl_map_object): Pass new parameter to _dl_map_object_from_fd.
* sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Rewrite based
on powerpc version.
2004-01-13 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/Makefile: New file.
* sysdeps/alpha/tcb-offsets.sym: New file.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (SINGLE_THREAD_P):
Use MULTIPLE_THREADS_OFFSET to implement !libpthread !libc version.
* sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Rewrite based
on powerpc version.
2004-01-08 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/clone.S (__clone): Add cfi_endproc
right before syscall and cfi_startproc before PSEUDO_END.
Clear %rbp in thread_start.
register as second parameter to the REGISTER macro.
* sysdeps/ia64/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/powerpc/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/sh/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/sparc/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/s390/tls.h (DB_THREAD_SELF): Pass __WORDSIZE as bit size
of thread register as second parameter to REGISTER macro in 64 case.
2003-12-31 Ulrich Drepper <drepper@redhat.com>
* pthread_getattr_np.c (pthread_getattr_np): Make sure stack info
returned for main thread does not overlap with any other VMA.
Patch by Jakub Jelinek.
2003-12-23 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/raise.c (raise): Protect pid = selftid
setting with __ASSUME_TGKILL || defined __NR_tgkill.
If pid is 0, set it to selftid.
* sysdeps/unix/sysv/linux/getpid.c (really_getpid): Make inline.
Don't set self->pid but self->tid. If self->pid == 0 and self->tid
!= 0, return self->tid without doing a syscall.
* descr.h (struct pthread): Move pid field after tid.
* Makefile (tests): Add tst-raise1.
* tst-raise1.c: New file.
* Makefile (tests): Add it.
(tst-oddstacklimit-ENV): New variable.
* init.c (__pthread_initialize_minimal_internal): Round stack rlimit
value up to page size for __default_stacksize.
2003-12-17 Ulrich Drepper <drepper@redhat.com>
* init.c (__pthread_initialize_minimal_internal): Don't treat
architectures with separate register stack special here when
computing default stack size.
2003-12-17 Jakub Jelinek <jakub@redhat.com>
* malloc/mtrace.c (tr_old_memalign_hook): New variable.
(tr_memalignhook): New function.
(mtrace): Register tr_memalignhook.
(muntrace): Deregister tr_memalignhook.
* malloc/malloc.c (__posix_memalign): If __memalign_hook != NULL,
call it directly instead of memalign_internal.
2003-12-17 Ulrich Drepper <drepper@redhat.com>
* misc/mntent_r.c: Change encoding to match recently change decoder.
Patch by Alexander Achenbach <xela@slit.de>.
2003-12-16 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Correct definition of
vrregset_t.
2003-12-16 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/sys/procfs.h [!__PPC64_ELF_H]: Extent
conditional to include typedef elf_vrreg_t.
2002-12-17 Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (re_search_internal): Limit search to the
beginning of the buffer if the initial states are empty for
contexts that do not include CONTEXT_BEGBUF or, if
!preg->newline_anchor, that do not include any one of
CONTEXT_BEGBUF and CONTEXT_NEWLINE.
2003-12-01 Jes Sorensen <jes@wildopensource.com>
* rt/tst-clock.c (do_test): Print message when skipping
CLOCK_PROCESS_CPUTIME_ID test.
* sysdeps/unix/sysv/linux/ia64/clock_getcpuclockid.c: New file.
Provide CLOCK_PROCESS_CPUTIME_ID only if /proc/sal/itc_drift is 0.
peek_token. This avoids some copying and reduces code size.
(init_dfa): Initialize map_notascii.
(build_wcs_upper_buffer): If map_notascii is zero use simplified
2003-12-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_futex_wait):
Assume parameter is a pointer.
(lll_futex_wake): Likewise.
Reported by Boris Hu.
* sysdeps/unix/sysv/linux/unregister-atfork.c
(__unregister_atfork): Pass pointer to refcntr to lll_futex_wait.
* sysdeps/unix/sysv/linux/sem_wait.c (__new_sem_wait): Simplify a bit.
2003-12-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/bits/libc-lock.h (__rtld_lock_initialize): Define.
* sysdeps/unix/sysv/linux/fork.c (__libc_fork): Call
__rtld_lock_initialize for ld.so lock.
Patch in part by Adam Li <adam.li@intel.com>.
2003-12-02 David Mosberger <davidm@hpl.hp.com>
* sysdeps/ia64/elf/initfini.c: Add unwind info.
* sysdeps/ia64/dl-machine.h (elf_machine_matches_host): Mark with
attribute "unused".
(elf_machine_dynamic): Mark with attributes "unused" and "const".
(elf_machine_runtime_setup): Likewise.
* sysdeps/generic/dl-fptr.c (make_fptr_table): Mark with
attribute "always_inline".
* sysdeps/ia64/dl-machine.h (__ia64_init_bootstrap_fdesc_table):
Likewise.
* configure.in: Check whether compiler has libunwind support.
* config.make.in (have-cc-with-libunwind): New variable.
* config.h.in (HAVE_CC_WITH_LIBUNWIND): New macro.
* Makeconfig (gnulib): If have-cc-withh-libunwind is "yes", also
mention -lunwind.
003-11-12 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Define DO_CALL_VIA_BREAK.
Redefine DO_CALL to use vdso if supported, otherwise DO_CALL_VIA_BREAK.
Likewise for DO_INLINE_SYSCALL. Make INTERNAL_SYSCALL use
DO_INLINE_SYSCALL.
* sysdeps/unix/sysv/linux/ia64/vfork.S: Use DO_CALL_VIA_BREAK()
instead of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/clone2.S: Use break directly instead
of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/brk.S (__curbrk): Restructure it
to take advantage of DO_CALL() macro.
* sysdeps/unix/sysv/linux/ia64/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/getcontext.S: Likewise.
* elf/rtld.c (dl_main): Restrict dl_sysinfo_dso check to first
program header. On ia64, the check failed previously because
there are two program headers.
* sysdeps/generic/s_nexttowardf.c: Likewise.
* math/bug-nexttoward.c: New file.
2003-12-06 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ia64/pt-initfini.c: Use .init_array
instead of .init. Patch by David Mosberger.
2003-11-26 Jakub Jelinek <jakub@redhat.com>
* posix/regexec.c (check_subexp_limits): Only check close
subexpression limitation if one is found. Formatting.
(sift_states_backward, check_arrival, check_arrival_add_next_nodes):
Formatting.
* posix/bug-regex11.c (tests): Enable most #ifdefed out tests.
Add new test.
2003-11-26 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_PROT_GROWSUPDOWN): Define for 2.6.1 and up.
* sysdeps/unix/sysv/linux/dl-execstack.c: Omit compatibility code
if __ASSUME_PROT_GROWSUPDOWN is defined.
2003-11-26 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/dl-execstack.c
(_dl_make_stack_executable): Set dl_stack_flags always for
success.
* sysdeps/pthread/pthread_cond_wait.c (__pthread_cond_wait): Don't
store mutex address if the current value is ~0l.
* sysdeps/pthread/pthread_cond_timedwait.c
(__pthread_cond_timedwait): Likewise.
* sysdeps/pthread/pthread_cond_broadcast.c
(__pthread_cond_broadcast): Don't use requeue for pshared
condvars.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
(__pthread_cond_wait): Don't store mutex address if the current
value is ~0l.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
(__pthread_cond_timedwait): Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
(__pthread_cond_broadcast): Don't use requeue for pshared
condvars.
* pthread_cond_init.c (__pthread_cond_init): Initialize __mutex
element with ~0l for pshared condvars, with NULL otherwise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
(__pthread_cond_wait): Don't store mutex address if the current
value is ~0l.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
(__pthread_cond_timedwait): Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S
(__pthread_cond_broadcast): Don't use requeue for pshared
condvars.
2003-11-21 Jakub Jelinek <jakub@redhat.com>
* posix/tst-rxspencer.c (mb_tests): Don't run identical multi-byte
tests multiple times unnecessarily.
2003-11-21 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex19.c (BRE, ERE): Define.
(tests): Add many new tests, remove UTF-8 ones.
(do_one_test, do_mb_tests): New functions.
(main): Rewritten using do_one_test and do_mb_tests.
2003-11-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/bits/stdio-lock.h: Use lll_*lock instead of
lll_mutex_*lock macros to skip atomic operations on some archs.
2003-09-26 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c (parse_sub_exp): Pass RE_CARET_ANCHORS_HERE
for the first token in a subexpression as well.
2003-10-02 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (peek_token): Add 2003-09-20 changes for anchor
handling again.
(parse_reg_exp): Likewise.
* posix/regex.h (RE_CARET_ANCHORS_HERE): Define.
* posix/bug-regex11.c (tests): Add new tests.
* posix/bug-regex12.c (tests): Add new test.
2003-10-01 Thorsten Kukuk <kukuk@suse.de>
* elf/dl-reloc.c (_dl_allocate_static_tls): Move definition of
variables only used if TLS_DTV_AT_TP is defined into the #if branch.
2003-10-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Fix saving and
restoring of the old cancellation type.
* sysdeps/pthread/malloc-machine.h: New file
* allocatestack.c (change_stack_perm): Split out from
__make_stacks_executable.
(allocate_stack): If the required permission changed between the time
we started preparing the stack and queueing it, change the permission.
(__make_stacks_executable): Call change_stack_perm.
2003-09-20 Ulrich Drepper <drepper@redhat.com>
* pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt): Change
type of DECR parameter to int.
* pthreadP.h: Adjust prototype of __pthread_mutex_unlock_usercnt.
2003-09-17 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/vfork.S: Branch to fork if
libpthread is loaded. Elide backwards compatibility code when not
required.
2003-09-15 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/Makefile (sysdep-CFLAGS): If not in math or csu
subdir, add -mpreferred-stack-boundary=4, with few exceptions.
2003-09-17 Jakub Jelinek <jakub@redhat.com>
* Makeconfig (stack-align-test-flags): Set.
* stdlib/Makefile (CFLAGS-tst-bsearch.c): Add
$(stack-align-test-flags).
* stdlib/tst-bsearch.c: Include tst-stack-align.h.
(align_check): New var.
(comp): Use TEST_STACK_ALIGN macro.
(do_test): Fail if align_check != 1.
* sysdeps/generic/tst-stack-align.h: New file.
* sysdeps/i386/i686/Makefile (stack-align-test-flags): Add -msse.
* sysdeps/i386/i686/tst-stack-align.h: New file.
