(__lll_robust_lock_wait): Also set FUTEX_WAITERS bit if we got the
mutex.
(__lll_robust_timedlock_wait): Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
(__lll_robust_lock_wait): Likewise.
(__lll_robust_timedlock_wait): Likewise.
* sysdeps/unix/sysv/linux/lowlevelrobustlock.c
(__lll_robust_lock_wait): Likewise.
(__lll_robust_timedlock_wait): Likewise.
($(all-subdirs-targets)): Use it in place of -C option.
* Rules: Use $(..) instead of ../ if it's already defined.
* Makeconfig (subdir-srcdirs): New variable.
* csu/Makefile (all-Banner-files): Use it.
* configure.in (--enable-add-ons): Set to "yes" by default.
Handle absolute add-on directory names when looking for configure
fragments. Also look for sysdeps/*/preconfigure fragments in add-ons.
Require add-on configure to set $libc_add_on_canonical, use
that in $add_ons_sfx. Substitute add_on_subdirs with computed list
of subdir names each add-on configure set in libc_add_on_subdirs.
* configure: Regenerated.
* Makefile (%/preconfigure: %/preconfigure.in): New pattern rule.
* config.make.in (add-on-subdirs): New substituted variable.
* Makeconfig (all-subdirs): Include $(add-on-subdirs).
Remove $(add-ons), $(sysdep-subdirs).
Don't filter out $(sysdep-inhibit-subdirs).
($(common-objpfx)sysd-dirs): Target removed. Don't include it.
($(common-objpfx)sysd-sorted): Rewritten to feed Depend and Subdirs
files together to gen-sorted.awk, and $(subdirs) via -v.
(subdirs): Remove magic reordering for mach and hurd.
* scripts/gen-sorted.awk: Use subdirs from command line.
Process Subdirs and Depend files directly.
Let Subdirs files use "first dir" and "inhibit dir".
Always move elf to the end of the list.
* hurd/Depend: New file.
* sysdeps/mach/Subdirs: Use "first mach".
* Makefile (dist-separate): Remove linuxthreads.
(dist-separate-linuxthreads): Variable removed.
(glibc-%.tar rule): Use $(sysdeps-add-ons).
* Makerules ($(common-objpfx)Versions.v.i): Use $(subdirs),
not $(all-subdirs).
(sysdep-makefiles): Use $(sysdirs).
(sysdirs): Remove export.
($(+sysdir_pfx)sysd-rules): Handle absolute directory names in
$(config-sysdirs).
(+sysdir_pfx): Variable removed.
(sysd-rules): Use $(common-objpfx) in place of it.
(sysdirs): Variable moved to ...
* Makeconfig (sysdirs): ... here.
Handle absolute directory names in $(config-sysdirs).
(full_config_sysdirs): Variable removed.
* csu/Makefile: Use $(sysdirs) in vpath directive.
* math/Makefile (ulps-file): Use $(sysdirs).
* sysdeps/gnu/Makefile (errlist-c): Likewise.
($(objpfx)errlist-compat.c): Likewise.
* Makeconfig (all-Subdirs-files): Likewise.
($(common-objpfx)config.status): Likewise.
* configure.in (sysnames): Handle absolute add-on directory names.
(sysdeps_add_ons): New variable, AC_SUBST it.
Compute which add-ons contributed sysdeps directories.
* configure: Regenerated.
* config.make.in (sysdeps-add-ons): New substituted variable.
* Makerules (+sysdep_dirs, +sysdep-includes): Variables moved ...
* Makeconfig: ... to here.
(+sysdep_dirs): Append $(sysdeps-add-ons) here.
(+includes): Remove $(objpfx) include, already in $(+sysdep_dirs).
Remove $(includes).
(sysdep-makeconfigs): Use $(+sysdep_dirs).
($(common-objpfx)shlib-versions.v.i): Likewise.
* Makeconfig: Remove hair to set Makeconfig-add-on.
* sysdeps/unix/Makefile (sysdirs): Remove export.
(asm_CPP): Variable removed.
($(common-objpfx)sysd-syscalls): Pass them directly for the script.
* sysdeps/posix/Makefile: New file.
* Makerules (L_tmpnam, TMP_MAX, L_ctermid, L_cuserid): Set non-posix
values here with ?=.
* stdlib/gen-mpn-copy: File removed.
* stdlib/Makefile (distribute): Remove it.
* configure.in: Don't grok --with-gmp.
* configure: Regenerated.
* configure.in (libc_cv_idn): Don't check it; libidn/configure does it.
* configure: Regenerated.
* bare: Directory removed, saved in ports repository.
__openat64_not_cancel): Remove prototypes.
(__openat_nocancel, __openat64_nocancel): New prototypes or defines.
(openat_not_cancel, openat_not_cancel_3, openat64_not_cancel,
openat64_not_cancel_3): Use them.
* init.c (__pthread_initialize_minimal_internal): Likewise.
* descr.h (struct xid_command): Pretty printing.
(struct pthread): Use __pthread_list_t or __pthread_slist_t for
robust_list. Adjust macros.
* pthread_create.c (start_thread): Adjust robust_list handling.
* phtread_mutex_unlock.c: Don't allow unlocking from any thread
but the owner for all robust mutex types.
* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Define
__pthread_list_t and __pthread_slist_t. Use them in pthread_mutex_t.
* sysdeps/pthread/pthread.h: Adjust mutex initializers.
2006-01-18 Andreas Jaeger <aj@suse.de>
[BZ #838]
* sysdeps/unix/sysv/linux/mips/bits/pthreadtypes.h
(pthread_mutex_t): Follow changes for other archs. Based on patch
by Jim Gifford <patches@jg555.com>.
* sysdeps/i386/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/mips/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/powerpc/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/s390/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/sh/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/sparc/sparc32/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/sparc/sparc64/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/x86_64/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h (pthread_mutex_t):
Don't give the union a name because it changes the mangled name.
Instead name the struct for __data.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h (pthread_mutex_t):
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h (pthread_mutex_t):
Likewise.
Don't give the union a name because it changes the mangled name.
Instead name the struct for __data.
* sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.
* pthread_create.c (start_thread): Adjust robust mutex free loop.
* descr.h (ENQUEUE_MUTEX, DEQUEUE_MUTEX): Adjust.
directive to ENTRY macros.
(END): Add cfi_endproc directive to END macro.
* sysdeps/powerpc/powerpc64/sysdep.h (ENTRY, EALIGN): Add cfi_startproc
directive to ENTRY macros.
(END, END_GEN_TB): Add cfi_endproc directive to END macros.
* sysdeps/powerpc/powerpc32/dl-start.S: Remove ENTRY()s for
_dl_start_user and _dl_main_dispatch.
* sysdeps/powerpc/powerpc32/fpu/fprrest.S: Use END macro.
* sysdeps/powerpc/powerpc32/fpu/fprsave.S: Use Likewise.
* sysdeps/powerpc/powerpc32/gprrest0.S: Likewise.
* sysdeps/powerpc/powerpc32/gprrest1.S: Likewise.
* sysdeps/powerpc/powerpc32/gprsave0.S: Likewise.
* sysdeps/powerpc/powerpc32/gprsave1.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S: Remove redundant
cfi_startproc and cfi_endproc.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S: Likewise.
2006-01-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/aio_misc.h (struct waitlist): Add result member.
* sysdeps/pthread/aio_notify.c (__aio_notify): For synchronous waiters,
failed I/O, and a result pointer, set value to -1.
* sysdeps/pthread/aio_suspend.c: Initialize result pointer to NULL.
* sysdeps/pthread/lio_listio.c: For LIO_WAIT, point result pointer in
wait list to local variable result. If nonzero afterwards, set errno
to EIO. For LIO_NOWAIT set result to NULL.
* rt/Makefile (tests): Add tst-aio8.
* rt/tst-aio8.c: New file.
(precsize_aton): Likewise.
(precsize_ntoa): Likewise.
* resolv/gethnamaddr.c (_gethtbyname): Remove extra prototype.
(gethostbyname2): Likewise.
(gethostbyaddr): Likewise.
(getanswer): Use ISO C function declaration.
and ENOTRECOVERABLE if not already defined.
* sysdeps/unix/sysv/linux/alpha/bits/errno.h: Likewise.
2005-12-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/Versions: Add new errlist-compat
entry for up to 138 errnos.
* sysdeps/pthread/sigaction.c: Use "" instead of <> to include self,
so that #include_next's search location is not reset to the -I..
directory where <nptl/...> can be found.
* elf/rtld.c: Define __pointer_chk_guard_local and if necessary
__pointer_chk_guard.
(_rtld_global_ro): Initialize _dl_pointer_guard.
(dl_main): Initialize __pointer_chk_guard_local and either
__pointer_chk_guard or TLS value if necessary.
(process_envvars): Recognize and handle LD_POINTER_GUARD.
* sysdeps/generic/ldsodefs.h (rtld_global_ro): Add _dl_pointer_guard.
* sysdeps/i386/__longjmp.S: Use PTR_DEMANGLE for PC if defined.
* sysdeps/x86_64/__longjmp.S: Likewise.
* sysdeps/i386/bsd-_setjmp.S: Use PTR_MANGLE for PC if defined.
* sysdeps/i386/bsd-_setjmp.S: Likewise.
* sysdeps/i386/setjmp.S: Likewise.
[IS_IN_rtld]: Avoid call to __sigjmp_save.
* sysdeps/i386/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define PTR_MANGLE and
PTR_DEMANGLE.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/i386/elf/setjmp.S: Removed.
* sysdeps/i386/elf/bsd-setjmp.S: Removed.
PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP,
PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP,
PTHREAD_MUTEX_ADAPTIVE_NP, PTHREAD_RWLOCK_INITIALIZER,
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP,
PTHREAD_COND_INITIALIZER): Supply zeros for all fields
in the structure.
* Makefile (tests): Add tst-initializers1.
(CFLAGS-tst-initializers1.c): Set.
* tst-initializers1.c: New test.
2005-07-11 Jakub Jelinek <jakub@redhat.com>
* configure.in: Add --enable-stackguard-randomization option.
(ENABLE_STACKGUARD_RANDOMIZE): New define.
* config.h.in (ENABLE_STACKGUARD_RANDOMIZE): Add.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* sysdeps/generic/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* elf/rtld.c (__stack_chk_guard): New variable.
(dl_main): Remove all traces of TLS_INIT_TP_EXPENSIVE.
Set __stack_chk_guard to _dl_setup_stack_chk_guard (),
use THREAD_SET_STACK_GUARD if defined.
* elf/Versions (ld): Export __stack_chk_guard@@GLIBC_2.4.
* sysdeps/generic/libc-start.c (__stack_chk_guard): New variable.
(__libc_start_main): Set __stack_chk_guard to
_dl_setup_stack_chk_guard (), use THREAD_SET_STACK_GUARD if defined.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Remove all
traces of TLS_INIT_TP_EXPENSIVE.
* debug/Versions (libc): Export __stack_chk_fail@@GLIBC_2.4.
* debug/Makefile (routines): Add stack_chk_fail.
(static-only-routines): Add stack_chk_fail_local.
* debug/stack_chk_fail_local.c: New file.
* debug/stack_chk_fail.c: New file.
* elf/Makefile: Add rules to build and run tst-stackguard1{,-static}
tests.
* elf/tst-stackguard1.c: New file.
* elf/tst-stackguard1-static.c: New file.
* elf/stackguard-macros.h: New file.
2005-05-19 Richard Henderson <rth@redhat.com>
* sysdeps/unix/clock_gettime.c (clock_gettime): Fix typo around
CLOCK_REALTIME.
* sysdeps/ia64/bits/atomic.h (__arch_compare_and_exchange_bool_32_acq,
__arch_compare_and_exchange_bool_64_acq,
__arch_compare_and_exchange_val_32_acq,
__arch_compare_and_exchange_val_64_acq, atomic_exchange_and_add):
Use __sync builtin without _si or _di suffix.
2005-05-19 Jakub Jelinek <jakub@redhat.com>
[BZ #955]
* iconvdata/ibm939.c (BODY): Avoid segfaults with input characters
<UFFFF> and above.
2005-05-17 Andreas Schwab <schwab@suse.de>
* sysdeps/unix/sysv/linux/clock_getcpuclockid.c
(clock_getcpuclockid): Always return a defined value.
* rt/tst-cpuclock2.c: New file.
* rt/tst-cputimer1.c: New file.
* rt/tst-cputimer2.c: New file.
* rt/tst-cputimer3.c: New file.
* rt/Makefile (tests): Add them.
* sysdeps/unix/sysv/linux/kernel-posix-cpu-timers.h: New file.
* sysdeps/unix/sysv/linux/clock_getcpuclockid.c: New file.
* sysdeps/unix/sysv/linux/ia64/clock_getcpuclockid.c
(HAS_CPUCLOCK): New macro.
(clock_getcpuclockid): Function removed.
#include the new linux file to define it instead.
* sysdeps/unix/clock_gettime.c [HP_TIMING_AVAIL] (hp_timing_gettime):
New function, broken out of ...
(clock_gettime) [HP_TIMING_AVAIL]: ... here. Call it.
(realtime_gettime): New function, broken out of ...
(clock_gettime) [! HANDLED_REALTIME]: ... here. Call it.
(clock_gettime) [SYSDEP_GETTIME_CPU]: Use new macro in default case.
* sysdeps/unix/sysv/linux/clock_gettime.c (SYSCALL_GETTIME): New macro.
(SYSDEP_GETTIME_CPUTIME): New macro.
(SYSDEP_GETTIME): Use both.
[! __ASSUME_POSIX_TIMERS] (maybe_syscall_gettime): New function, broken
out of ...
(SYSDEP_GETTIME): ... here. Use it.
[__NR_clock_gettime] (HANDLED_CPUTIME): Define it.
(SYSDEP_GETTIME_CPUTIME): New macro. Handle CPU timers by trying
kernel support and falling back to hp-timing code.
* sysdeps/posix/clock_getres.c
[HP_TIMING_AVAIL] (hp_timing_getres): New function, broken out of ...
(clock_getres) [HP_TIMING_AVAIL]: ... here. Call it.
(realtime_getres): New function, broken out of ...
(clock_getres) [! HANDLED_REALTIME]: ... here. Call it.
(clock_getres) [SYSDEP_GETRES_CPU]: Use new macro in default case.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES): New macro.
(SYSDEP_GETRES_CPUTIME): New macro.
(SYSDEP_GETRES): Use both.
[! __ASSUME_POSIX_TIMERS] (maybe_syscall_getres): New function, broken
out of ...
(SYSDEP_GETRES): ... here. Use it.
[__NR_clock_getres] (HANDLED_CPUTIME): Define it.
(SYSDEP_GETRES_CPUTIME): New macro. Handle CPU timers by trying
kernel support and falling back to hp-timing code.
* sysdeps/unix/sysv/linux/clock_nanosleep.c: Handle
CLOCK_PROCESS_CPUTIME_ID and CLOCK_PROCESS_THREAD_ID specially,
translating to the kernel clockid_t for our own process/thread clock.
* elf/tls-macros.h: Add Sparc64 defines.
* sysdeps/sparc/sparc64/dl-machine.h (sparc64_fixup_plt): Mark as
always_inline.
(elf_machine_fixup_plt): Likewise.
(elf_machine_rela): Handle TLS relocations.
(elf_machine_type_cleaa): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(SYSCALL_ERROR_HANDLER_ENTRY): Use sethi/or for GOT reloc.
It does not always fit in R_SPARC_GOT13 when building -fPIC.
Also, add TLS handling.
* sysdeps/unix/sysv/linux/configure.in (arch_minimum_kernel):
Increase it to 2.4.21 for sparc64.
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: NULL terminate
backtrace by zero'ing out %fp. Store away flags, func_ptr,
and func_arg in global registers not local registers.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Handle PTID, TLS,
and CTID arguments properly. Add RESET_PID handling.
* sysdeps/unix/sysv/linux/sparc/sparc64/pause.c: Rework so that we
do not invoke __sigprocmask(). We can always assume rt signals
are present on sparc64, so just do an inline syscall.
2005-04-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc64/dl-machine.h: Add dl_machine_h multiple
inclusion guard for the first half of the header.
(elf_machine_type_class, ELF_MACHINE_JMP_SLOT, ELF_MACHINE_NO_REL,
ELF_MACHINE_PLTREL_OVERLAP, elf_machine_runtime_setup,
elf_machine_relplt, DL_STACK_END, RTLD_START): Move into the
#ifndef dl_machine_h guarded part of the header.
* intl/dcigettext.c (_nl_find_msg): Add a cast.
* nis/nis_clone_dir.c (nis_clone_directory): Use char * for ADDR.
* nis/nis_clone_obj.c (nis_clone_object): Likewise.
* nis/nis_clone_res.c (nis_clone_result): Likewise.
* resolv/nss_dns/dns-network.c (getanswer_r): Use const unsigned char *
for END_OF_MESSAGE and CP.
* resolv/res_send.c (send_dg): Add else branch for case impossible
unless `poll' is buggy.
* crypt/crypt_util.c (__setkey_r): Add a cast.
* locale/programs/linereader.c (get_toplvl_escape): Use size_t for
NBYTES, and unsigned char * for BYTES.
* locale/programs/charmap.c (charmap_new_char): Use size_t and
unsighed char * for NBYTES, BYTES parameters.
* sysdeps/generic/dl-hash.h (_dl_elf_hash): Take const char * argument
and cast it.
* sysdeps/i386/i686/dl-hash.h (_dl_elf_hash): Likewise.
* sunrpc/create_xid.c (_create_xid): Don't use unsigned long for RES.
* sunrpc/svcauth_des.c (_svcauth_des): Fix cast type.
* sunrpc/auth_des.c (authdes_create): Don't use u_char for PKEY_DATA.
(authdes_marshal): Don't use unsigned int for LEN.
* sunrpc/xdr.c (xdr_hyper): Don't use unsigned long for T2.
(xdr_u_hyper): Likewise.
(xdr_u_short): Don't use u_long for L.
* sunrpc/xdr_intXX_t.c (xdr_int64_t): Don't use uint32_t for T2.
* inet/rexec.c (rexec_af): Use socklen_t.
* sunrpc/key_call.c (getkeyserv_handle): Likewise.
* sunrpc/rtime.c (rtime): Likewise.
* resolv/res_send.c (send_vc, send_dg): Likewise.
* nis/nis_callback.c (__nis_create_callback): Likewise.
* sysdeps/generic/libc-start.c: Use unsigned int for nthreads ptr.
* sysdeps/posix/getaddrinfo.c (gaih_inet): Fix type of ADDR local.
* libio/libio.h (_IO_BE): Add parenthesis around EXPR.
* intl/dcigettext.c (INTVARDEF, INTUSE): Macros removed.
(_nl_default_dirname): Use libc_hidden_data_def instead of INTVARDEF.
(libc_freeres_fn, DCIGETTEXT): Don't use INTUSE.
* intl/bindtextdom.c (INTUSE): Macro removed.
(_nl_default_dirname): Use libc_hidden_proto.
(set_binding_values): Don't use INTUSE.
* include/libintl.h (_libc_intl_domainname_internal): Decl removed.
(_libc_intl_domainname): Use libc_hidden_proto.
* posix/regex_internal.h (gettext): Remove INTUSE on it.
* locale/SYS_libc.c (_libc_intl_domainname): Use libc_hidden_data_def
rather than INTDEF.
* include/libintl.h (_): Don't use *_internal name.
* ctype/ctype-extn.c (__ctype_tolower, __ctype_toupper): Use int32_t,
not uint32_t.
* locale/lc-ctype.c (_nl_postload_ctype): Likewise for assignments.
* iconv/gconv_open.c (__gconv_open): Remove useless cast.
[BZ #721]
* sysdeps/i386/dl-machine.h (ELF_MACHINE_NO_RELA): Define this outside
of [RESOLVE_MAP].
* sysdeps/sh/dl-machine.h (ELF_MACHINE_NO_REL): Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.h
(elf_machine_rel, elf_machine_rel_relative): Removed.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rel, elf_machine_rel_relative): Removed.
2005-02-03 Alexandre Oliva <aoliva@redhat.com>
[BZ #721]
* elf/dynamic-link.h: Don't declare nested auto functions that are
not going to be defined.
2004-07-23 Jakub Jelinek <jakub@redhat.com>
[BZ #284]
* include/features.h (_POSIX_SOURCE, _POSIX_C_SOURCE): Define
if _XOPEN_SOURCE >= 500 even if __STRICT_ANSI__ is defined.
2005-02-16 Roland McGrath <roland@redhat.com>
2004-12-17 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/clone.S (__clone): Add support
for NPTL where the PID is stored at userlevel and needs to be
reset when CLONE_THREAD is not used.
2004-12-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__clone): Add support
for NPTL where the PID is stored at userlevel and needs to be reset
when CLONE_THREAD is not used.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(SYSCALL_ERROR_HANDLER): If RTLD_PRIVATE_ERRNO, use rtld_errno
instead of errno.
* sysdeps/unix/sysv/linux/sparc/sparc64/socket.S: Include
sysdep-cancel.h instead of sysdep.h. Handle cancellation.
* sysdeps/sparc/sparc64/fpu/libm-test-ulps: Regenerate.
* sysdeps/ieee754/ldbl-128/e_expl.c: Include stdlib.h.
2004-12-15 Jakub Jelinek <jakub@redhat.com>
* nis/nis_domain_of_r.c (nis_domain_of_r): Use libnsl_hidden_def,
not libnsl_hidden_proto.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add support
for NPTL where the PID is stored at userlevel and needs to be reset
when CLONE_THREAD is not used.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S (__clone): Save
and restore r2 around call to fn.
