diff mbox

S/390 Reverting the jmp_buf/ucontext_t ABI change

Message ID 53D663ED.5060609@linux.vnet.ibm.com
State Superseded
Headers show

Commit Message

Stefan Liebler July 28, 2014, 2:53 p.m. UTC
Hello,

this is an updated patch, where the libc.abilist files reflect the not 
exported __setjmp functions.

Bye

---
2014-07-28  Stefan Liebler  <stli@linux.vnet.ibm.com>

	* sysdeps/s390/Makefile: Delete file.
	* sysdeps/s390/Versions (GLIBC_2.19): Remove __setjmp.
	* sysdeps/s390/__longjmp.c: Delete file.
	* sysdeps/s390/bits/setjmp.h (__s390_jmp_buf):
	Remove fields __flags and __reserved.
	* sysdeps/s390/longjmp.c: Include setjmp/longjmp.c
	and add versioning.
	* sysdeps/s390/rtld-__longjmp.c: Delete file.
	* sysdeps/s390/rtld-global-offsets.sym: Likewise.
	* sysdeps/s390/rtld-setjmp.S: Likewise.
	* sysdeps/s390/s390-32/__longjmp-common.c: Move to ...
	* sysdeps/s390/s390-32/__longjmp.c: ... here.
	* sysdeps/s390/s390-32/setjmp-common.S: Move to ...
	* sysdeps/s390/s390-32/setjmp.S: ... here.
	Add versioning.
	(__sigsetjmp): Remove setting __flags field.
	* sysdeps/s390/s390-64/__longjmp-common.c:Move to ...
	* sysdeps/s390/s390-64/__longjmp.c: ... here.
	* sysdeps/s390/s390-64/setjmp-common.S: Move to ...
	* sysdeps/s390/s390-64/setjmp.S: ... here.
	Add versioning.
	(__sigsetjmp): Remove setting __flags field.
	* sysdeps/s390/setjmp.S: Delete file.
	* sysdeps/s390/sigjmp.c: Likewise.
	* sysdeps/s390/v1-longjmp.c: Likewise.
	* sysdeps/s390/v1-setjmp.h: Likewise.
	* sysdeps/s390/v1-sigjmp.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/Makefile (sysdep_routines):
	Remove v1-longjmp_chk.
	* sysdeps/unix/sysv/linux/s390/getcontext.S: Delete file.
	* sysdeps/unix/sysv/linux/s390/longjmp_chk.c:
	Include debug/longjmp_chk.c and add versioning.
	* sysdeps/unix/sysv/linux/s390/pt-longjmp.c:
	Include nptl/pt-longjmp.c and add versioning.
	* sysdeps/unix/sysv/linux/s390/rtld-getcontext.S: Delete file.
	* sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c:
	Include __longjmp.c.
	* sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S:
	Move to ...
	* sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S: ... here.
	(__getcontext): Remove setting __flags field.
	Add versioning.
	* sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S:
	Don´t restore upper high grps.
	* sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S:
	Likewise.
	(__swapcontext): Remove setting uc_flags field.
	* sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym:
	Delete file.
	* sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c:
	Include __longjmp.c.
	* sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S:
	Move to ...
	* sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S: ... here.
	(__getcontext): Remove setting __flags field.
	Add versioning.
	* sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S:
	(__swapcontext): Remove setting uc_flags field.
	* unix/sysv/linux/s390/s390-64/ucontext_i.sym: Delete file.
	* sysdeps/unix/sysv/linux/s390/sys/ucontext.h (ucontext):
	Remove fields uc_high_gprs and __reserved.
	* sysdeps/unix/sysv/linux/s390/ucontext_i.sym:
	New file with reverted content.
	* sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c: Delete file.
	* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist:
	Regenerated.
	* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist:
	Regenerated.
---

On 07/25/2014 08:11 PM, Stefan Liebler wrote:
> Hi,
>
> this is the proposed patch which is reverting
> "S/390: Make ucontext_t extendible."
> "S/390: Merge 32 and 64 bit ucontext.h"
> "S/390: Make jmp_buf extendible."
>
> (Files sysdeps/unix/sysv/linux/s390/s390-32|64/nptl/libc.abilist
> were moved to
> sysdeps/unix/sysv/linux/s390/s390-32|64/libc.abilist
> in patch "S390: Consolidate nptl/ subdirectories under linux/..."
> by Roland McGrath)
>
> Versions.def is now generated.
> (see patch "Get rid of Versions.def source file" by Roland McGrath)
>
> Versions.def is now generated.
> (see patch "Get rid of Versions.def source file" by Roland McGrath)
>
> File/content moved from nptl/sysdeps/unix/sysv/linux/s390/Versions
> to sysdeps/unix/sysv/linux/s390/Versions
> in patch "Move remaining S390 code out of nptl/." by Roland McGrath.
>
> Files sysdeps/unix/sysv/linux/s390/s390-32|64/nptl/libc|libpthread.abilist
> also moved to
> sysdeps/unix/sysv/linux/s390/s390-32|64/libc|libpthread.abilist.
>
>
> The file sysdeps/unix/sysv/linux/s390/rtld-getcontext.S was introduced
> by the patch, but was neither compiled or included and a version in a
> common directory does not exist. The rest of the reverted patch does
> also not use it. Thus this file is not available with this patch.
>
> In addition the introduced symbols versions of those patches for glibc
> 2.19 are created and both versions are targeting the same function.
> Therefore __v1|v2... functions were introduced.
> The symbols are weak or strong in order to be the same as before the
> reverted patches.
>
> In setjmp.S files, function __sigsetjmp is now defined as weak_extern,
> because instead linker fails with "multiple definition of 'xxx'".
> Afterwards this function is redefined with strong versioning.
> This is the same with __longjmp_chk.
>
> The function __setjmp wasn´t exported before the original patch.
> Thus there we omitted the compat version __setjmp@GLIBC_2.19
> and __setjmp is now not exported anymore.
> Andis patch introduced this exported version.
> There is no code in glibc, which uses __setjmp. Is there?
>
> This patch is tested on s390|s390x with make check|xcheck without fails
> (only nptl/tst-setuid2 fails without root-rights).
>
> The test program pthread_cleanup_push.c from Aurelien Jarno does not
> segfault anymore, when linked against old glibc and executed with new
> one. If linked against glibc just before this revert-patch and executed
> with new one, succeeds too.
>
> I also configured glibc with --enable-oldest-abi=2.20 to check, wether
> the glibc 2.19 versions are gone.
>
> Is this the way to revert the jmp_buf/ucontext extensions.
> Does anyone has another idea/hint?
> Please comment.
>
> If this is okay, i would prepare a backport for 2.19 branch and test it
> the same way.
>
> Bye.
>
> ---
> 2014-07-25  Stefan Liebler <stli@linux.vnet.ibm.com>
>
>      * sysdeps/s390/Makefile: Delete file.
>      * sysdeps/s390/Versions (GLIBC_2.19): Remove __setjmp.
>      * sysdeps/s390/__longjmp.c: Delete file.
>      * sysdeps/s390/bits/setjmp.h (__s390_jmp_buf):
>      Remove fields __flags and __reserved.
>      * sysdeps/s390/longjmp.c: Include setjmp/longjmp.c
>      and add versioning.
>      * sysdeps/s390/rtld-__longjmp.c: Delete file.
>      * sysdeps/s390/rtld-global-offsets.sym: Likewise.
>      * sysdeps/s390/rtld-setjmp.S: Likewise.
>      * sysdeps/s390/s390-32/__longjmp-common.c: Move to ...
>      * sysdeps/s390/s390-32/__longjmp.c: ... here.
>      * sysdeps/s390/s390-32/setjmp-common.S: Move to ...
>      * sysdeps/s390/s390-32/setjmp.S: ... here.
>      Add versioning.
>      (__sigsetjmp): Remove setting __flags field.
>      * sysdeps/s390/s390-64/__longjmp-common.c:Move to ...
>      * sysdeps/s390/s390-64/__longjmp.c: ... here.
>      * sysdeps/s390/s390-64/setjmp-common.S: Move to ...
>      * sysdeps/s390/s390-64/setjmp.S: ... here.
>      Add versioning.
>      (__sigsetjmp): Remove setting __flags field.
>      * sysdeps/s390/setjmp.S: Delete file.
>      * sysdeps/s390/sigjmp.c: Likewise.
>      * sysdeps/s390/v1-longjmp.c: Likewise.
>      * sysdeps/s390/v1-setjmp.h: Likewise.
>      * sysdeps/s390/v1-sigjmp.c: Likewise.
>      * sysdeps/unix/sysv/linux/s390/Makefile (sysdep_routines):
>      Remove v1-longjmp_chk.
>      * sysdeps/unix/sysv/linux/s390/getcontext.S: Delete file.
>      * sysdeps/unix/sysv/linux/s390/longjmp_chk.c:
>      Include debug/longjmp_chk.c and add versioning.
>      * sysdeps/unix/sysv/linux/s390/pt-longjmp.c:
>      Include nptl/pt-longjmp.c and add versioning.
>      * sysdeps/unix/sysv/linux/s390/rtld-getcontext.S: Delete file.
>      * sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c:
>      Include __longjmp.c.
>      * sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S:
>      Move to ...
>      * sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S: ... here.
>      (__getcontext): Remove setting __flags field.
>      Add versioning.
>      * sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S:
>      Don´t restore upper high grps.
>      * sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S:
>      Likewise.
>      (__swapcontext): Remove setting uc_flags field.
>      * sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym:
>      Delete file.
>      * sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c:
>      Include __longjmp.c.
>      * sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S:
>      Move to ...
>      * sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S: ... here.
>      (__getcontext): Remove setting __flags field.
>      Add versioning.
>      * sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S:
>      (__swapcontext): Remove setting uc_flags field.
>      * unix/sysv/linux/s390/s390-64/ucontext_i.sym: Delete file.
>      * sysdeps/unix/sysv/linux/s390/sys/ucontext.h (ucontext):
>      Remove fields uc_high_gprs and __reserved.
>      * sysdeps/unix/sysv/linux/s390/ucontext_i.sym:
>      New file with reverted content.
>      * sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c: Delete file.
diff mbox

Patch

diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
deleted file mode 100644
index 42978dc..0000000
--- a/sysdeps/s390/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@ 
-ifeq ($(subdir),setjmp)
-ifeq (yes,$(build-shared))
-sysdep_routines += v1-longjmp v1-sigjmp
-endif
-endif
-
-ifeq ($(subdir),csu)
-gen-as-const-headers += rtld-global-offsets.sym
-endif
diff --git a/sysdeps/s390/Versions b/sysdeps/s390/Versions
index 156abc7..8417623 100644
--- a/sysdeps/s390/Versions
+++ b/sysdeps/s390/Versions
@@ -1,12 +1,8 @@ 
 libc {
   GLIBC_2.19 {
-    setjmp; _setjmp; __setjmp; __sigsetjmp;
+    setjmp; _setjmp; __sigsetjmp;
     longjmp; _longjmp; siglongjmp;
   }
-  GLIBC_PRIVATE {
-    __v1__libc_longjmp; __v1__libc_siglongjmp;
-    __v2__libc_longjmp; __v2__libc_siglongjmp;
-  }
 }
 
 ld {
diff --git a/sysdeps/s390/__longjmp.c b/sysdeps/s390/__longjmp.c
deleted file mode 100644
index e4acd31..0000000
--- a/sysdeps/s390/__longjmp.c
+++ /dev/null
@@ -1,31 +0,0 @@ 
-/* Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <libc-symbols.h>
-#include <shlib-compat.h>
-
-#define __longjmp  __v2__longjmp
-#include "__longjmp-common.c"
-#undef __longjmp
-strong_alias (__v2__longjmp, __longjmp)
-
-#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-# undef __longjmp
-# define __V1_JMPBUF
-# define __longjmp  __v1__longjmp
-# include "__longjmp-common.c"
-#endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
diff --git a/sysdeps/s390/bits/setjmp.h b/sysdeps/s390/bits/setjmp.h
index 25eaf10..0071a9d 100644
--- a/sysdeps/s390/bits/setjmp.h
+++ b/sysdeps/s390/bits/setjmp.h
@@ -40,10 +40,6 @@  typedef struct __s390_jmp_buf
   /* We save fpu registers 4 and 6.  */
   long __fpregs[4];
 # endif
-#ifndef __V1_JMPBUF
-  unsigned long __flags;
-  char __reserved[128];
-#endif
 } __jmp_buf[1];
 
 #endif
diff --git a/sysdeps/s390/longjmp.c b/sysdeps/s390/longjmp.c
index c758d14..601f077 100644
--- a/sysdeps/s390/longjmp.c
+++ b/sysdeps/s390/longjmp.c
@@ -1,4 +1,4 @@ 
-/* Copyright (C) 2013 Free Software Foundation, Inc.
+/* Copyright (C) 2014 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
@@ -15,50 +15,28 @@ 
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.
 
-   Versioned copy of sysdeps/generic/longjmp.c modified for extended
-   jmpbuf.  */
+   Versioned copy of setjmp/longjmp.c modified for versioning
+   the reverted jmpbuf extension.  */
 
 #include <shlib-compat.h>
-#include <stddef.h>
-#include <setjmp.h>
-#include <signal.h>
 
-extern void __v2__longjmp (__jmp_buf __env, int __val)
-     __attribute__ ((__noreturn__));
-extern void __v2__libc_longjmp (sigjmp_buf env, int val)
-     __attribute__ ((__noreturn__));
-libc_hidden_proto (__v2__libc_longjmp)
-
-/* Set the signal mask to the one specified in ENV, and jump
-   to the position specified in ENV, causing the setjmp
-   call there to return VAL, or 1 if VAL is 0.  */
-void
-__v2__libc_siglongjmp (sigjmp_buf env, int val)
-{
-  /* Perform any cleanups needed by the frames being unwound.  */
-  _longjmp_unwind (env, val);
-
-  if (env[0].__mask_was_saved)
-    /* Restore the saved signal mask.  */
-    (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
-			  (sigset_t *) NULL);
-
-  /* Call the machine-dependent function to restore machine state.  */
-  __v2__longjmp (env[0].__jmpbuf, val ?: 1);
-}
-
-#ifndef __v2__longjmp
-strong_alias (__v2__libc_siglongjmp, __v2__libc_longjmp)
-libc_hidden_def (__v2__libc_longjmp)
-weak_alias (__v2__libc_siglongjmp, __v2_longjmp)
-weak_alias (__v2__libc_siglongjmp, __v2longjmp)
-weak_alias (__v2__libc_siglongjmp, __v2siglongjmp)
-
-/* These will be used by libpthread only.  */
-versioned_symbol (libc, __v2__libc_longjmp, __libc_longjmp, GLIBC_PRIVATE);
-versioned_symbol (libc, __v2__libc_siglongjmp, __libc_siglongjmp, GLIBC_PRIVATE);
-
-versioned_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19);
-versioned_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19);
-versioned_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19);
-#endif /* ifndef __v2__longjmp */
+#include <setjmp/longjmp.c>
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of longjmp-functions were introduced,
+   but were reverted before 2.20. Thus both versions are the same function.  */
+weak_alias (__libc_siglongjmp, __v1_longjmp)
+weak_alias (__libc_siglongjmp, __v2_longjmp)
+versioned_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0);
+compat_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19);
+
+weak_alias (__libc_siglongjmp, __v1longjmp)
+weak_alias (__libc_siglongjmp, __v2longjmp)
+versioned_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0);
+compat_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19);
+
+weak_alias (__libc_siglongjmp, __v1siglongjmp)
+weak_alias (__libc_siglongjmp, __v2siglongjmp)
+versioned_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0);
+compat_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19);
+#endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
diff --git a/sysdeps/s390/rtld-__longjmp.c b/sysdeps/s390/rtld-__longjmp.c
deleted file mode 100644
index 5e9f739..0000000
--- a/sysdeps/s390/rtld-__longjmp.c
+++ /dev/null
@@ -1,19 +0,0 @@ 
-/* Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* Build a non-versioned object for rtld-*.  */
-# include "__longjmp-common.c"
diff --git a/sysdeps/s390/rtld-global-offsets.sym b/sysdeps/s390/rtld-global-offsets.sym
deleted file mode 100644
index ff4e97f..0000000
--- a/sysdeps/s390/rtld-global-offsets.sym
+++ /dev/null
@@ -1,7 +0,0 @@ 
-#define SHARED 1
-
-#include <ldsodefs.h>
-
-#define rtld_global_ro_offsetof(mem) offsetof (struct rtld_global_ro, mem)
-
-RTLD_GLOBAL_RO_DL_HWCAP_OFFSET	rtld_global_ro_offsetof (_dl_hwcap)
diff --git a/sysdeps/s390/rtld-setjmp.S b/sysdeps/s390/rtld-setjmp.S
deleted file mode 100644
index 4011011..0000000
--- a/sysdeps/s390/rtld-setjmp.S
+++ /dev/null
@@ -1,20 +0,0 @@ 
-/* Extendible version of setjmp for System z
-   Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* Build a non-versioned object for rtld-*.  */
-# include "setjmp-common.S"
diff --git a/sysdeps/s390/s390-32/__longjmp-common.c b/sysdeps/s390/s390-32/__longjmp-common.c
deleted file mode 100644
index f78ef65..0000000
--- a/sysdeps/s390/s390-32/__longjmp-common.c
+++ /dev/null
@@ -1,68 +0,0 @@ 
-/* Copyright (C) 2000-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <sysdep.h>
-#include <setjmp.h>
-#include <bits/setjmp.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-/* Jump to the position specified by ENV, causing the
-   setjmp call there to return VAL, or 1 if VAL is 0.  */
-attribute_hidden void
-__longjmp (__jmp_buf env, int val)
-{
-#ifdef PTR_DEMANGLE
-  uintptr_t guard = THREAD_GET_POINTER_GUARD ();
-# ifdef CHECK_SP
-  CHECK_SP (env, guard);
-# endif
-#elif defined CHECK_SP
-  CHECK_SP (env, 0);
-#endif
-  register int r2 __asm ("%r2") = val == 0 ? 1 : val;
-#ifdef PTR_DEMANGLE
-  register uintptr_t r3 __asm ("%r3") = guard;
-  register void *r1 __asm ("%r1") = (void *) env;
-#endif
-  /* Restore registers and jump back.  */
-  asm volatile ("ld   %%f6,48(%1)\n\t"
-		"ld   %%f4,40(%1)\n\t"
-#ifdef PTR_DEMANGLE
-		"lm   %%r6,%%r13,0(%1)\n\t"
-		"lm   %%r4,%%r5,32(%1)\n\t"
-		"xr   %%r4,%2\n\t"
-		"xr   %%r5,%2\n\t"
-		"lr   %%r15,%%r5\n\t"
-		"br   %%r4"
-#else
-		"lm   %%r6,%%r15,0(%1)\n\t"
-		"br   %%r14"
-#endif
-		: : "r" (r2),
-#ifdef PTR_DEMANGLE
-		    "r" (r1), "r" (r3)
-#else
-		    "a" (env)
-#endif
-		);
-
-  /* Avoid `volatile function does return' warnings.  */
-  for (;;);
-}
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c
new file mode 100644
index 0000000..5d46e21
--- /dev/null
+++ b/sysdeps/s390/s390-32/__longjmp.c
@@ -0,0 +1,68 @@ 
+/* Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <setjmp.h>
+#include <bits/setjmp.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Jump to the position specified by ENV, causing the
+   setjmp call there to return VAL, or 1 if VAL is 0.  */
+void
+__longjmp (__jmp_buf env, int val)
+{
+#ifdef PTR_DEMANGLE
+  uintptr_t guard = THREAD_GET_POINTER_GUARD ();
+# ifdef CHECK_SP
+  CHECK_SP (env, guard);
+# endif
+#elif defined CHECK_SP
+  CHECK_SP (env, 0);
+#endif
+  register int r2 __asm ("%r2") = val == 0 ? 1 : val;
+#ifdef PTR_DEMANGLE
+  register uintptr_t r3 __asm ("%r3") = guard;
+  register void *r1 __asm ("%r1") = (void *) env;
+#endif
+  /* Restore registers and jump back.  */
+  asm volatile ("ld   %%f6,48(%1)\n\t"
+		"ld   %%f4,40(%1)\n\t"
+#ifdef PTR_DEMANGLE
+		"lm   %%r6,%%r13,0(%1)\n\t"
+		"lm   %%r4,%%r5,32(%1)\n\t"
+		"xr   %%r4,%2\n\t"
+		"xr   %%r5,%2\n\t"
+		"lr   %%r15,%%r5\n\t"
+		"br   %%r4"
+#else
+		"lm   %%r6,%%r15,0(%1)\n\t"
+		"br   %%r14"
+#endif
+		: : "r" (r2),
+#ifdef PTR_DEMANGLE
+		    "r" (r1), "r" (r3)
+#else
+		    "a" (env)
+#endif
+		);
+
+  /* Avoid `volatile function does return' warnings.  */
+  for (;;);
+}
diff --git a/sysdeps/s390/s390-32/setjmp-common.S b/sysdeps/s390/s390-32/setjmp-common.S
deleted file mode 100644
index d7bb720..0000000
--- a/sysdeps/s390/s390-32/setjmp-common.S
+++ /dev/null
@@ -1,84 +0,0 @@ 
-/* setjmp for s390, ELF version.
-   Copyright (C) 2000-2014 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-
-	/* We include the BSD entry points here as well but we make
-	   them weak.  */
-ENTRY (setjmp)
-	.weak C_SYMBOL_NAME (setjmp)
-	lhi    %r3,1                /* second argument of one */
-	j      0f                   /* branch relativ to __sigsetjmp */
-END (setjmp)
-
-	/* Binary compatibility entry point.  */
-ENTRY(_setjmp)
-	.weak  C_SYMBOL_NAME (_setjmp)
-	lhi    %r3,0                /* second argument of zero */
-	j      0f                   /* branch relativ to __sigsetjmp */
-END (_setjmp)
-libc_hidden_def (_setjmp)
-
-ENTRY(__setjmp)
-	lhi    %r3,0                /* second argument of zero */
-	j      0f                   /* branch relativ to __sigsetjmp */
-END (__setjmp)
-
-ENTRY(__sigsetjmp)
-0:
-#ifdef PTR_MANGLE
-	stm    %r6,%r13,0(%r2)      /* store registers in jmp_buf */
-	lr     %r4,%r14
-	lr     %r5,%r15
-	PTR_MANGLE (%r4, %r1)
-	PTR_MANGLE2 (%r5, %r1)
-	stm    %r4,%r5,32(%r2)
-#else
-	stm    %r6,%r15,0(%r2)      /* store registers in jmp_buf */
-#endif
-#ifndef __V1_JMPBUF
-	lhi    %r4,0
-	st     %r4,56(%r2)         /* Set __flags to 0.  */
-#endif
-	std    %f4,40(%r2)
-	std    %f6,48(%r2)
-#if defined NOT_IN_libc && defined IS_IN_rtld
-	/* In ld.so we never save the signal mask.  */
-	lhi    %r2,0
-	br     %r14
-#elif defined PIC
-	/* We cannot use the PLT, because it requires that %r12 be set, but
-	   we can't save and restore our caller's value.  Instead, we do an
-	   indirect jump through the GOT. */
-	basr   %r1,0
-0:      al     %r1,1f-0b(0,%r1) /* get address of global offset table */
-				/* get address of __sigjmp_save from got */
-	l      %r1,__sigjmp_save@GOT12(0,%r1)
-	br     %r1
-1:      .long  _GLOBAL_OFFSET_TABLE_ - 0b
-#else
-	basr   %r1,0
-0:      l      %r1,1f-0b(0,%r1)   /* load address of __sigjmp_save */
-	br     %r1                /* tail-call __sigjmp_save */
-1:      .long  __sigjmp_save
-#endif
-END (__sigsetjmp)
diff --git a/sysdeps/s390/s390-32/setjmp.S b/sysdeps/s390/s390-32/setjmp.S
new file mode 100644
index 0000000..32b1824
--- /dev/null
+++ b/sysdeps/s390/s390-32/setjmp.S
@@ -0,0 +1,103 @@ 
+/* setjmp for s390, ELF version.
+   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+#include <shlib-compat.h>
+
+	/* We include the BSD entry points here as well but we make
+	   them weak.  */
+ENTRY (setjmp)
+	.weak C_SYMBOL_NAME (setjmp)
+	lhi    %r3,1                /* second argument of one */
+	j      .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
+END (setjmp)
+
+	/* Binary compatibility entry point.  */
+ENTRY(_setjmp)
+	.weak  C_SYMBOL_NAME (_setjmp)
+	lhi    %r3,0                /* second argument of zero */
+	j      .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
+END (_setjmp)
+libc_hidden_def (_setjmp)
+
+ENTRY(__setjmp)
+	lhi    %r3,0                /* second argument of zero */
+	j      .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
+END (__setjmp)
+
+ENTRY(__sigsetjmp)
+.Linternal_sigsetjmp:
+#ifdef PTR_MANGLE
+	stm    %r6,%r13,0(%r2)      /* store registers in jmp_buf */
+	lr     %r4,%r14
+	lr     %r5,%r15
+	PTR_MANGLE (%r4, %r1)
+	PTR_MANGLE2 (%r5, %r1)
+	stm    %r4,%r5,32(%r2)
+#else
+	stm    %r6,%r15,0(%r2)      /* store registers in jmp_buf */
+#endif
+	std    %f4,40(%r2)
+	std    %f6,48(%r2)
+#if defined NOT_IN_libc && defined IS_IN_rtld
+	/* In ld.so we never save the signal mask.  */
+	lhi    %r2,0
+	br     %r14
+#elif defined PIC
+	/* We cannot use the PLT, because it requires that %r12 be set, but
+	   we can't save and restore our caller's value.  Instead, we do an
+	   indirect jump through the GOT. */
+	basr   %r1,0
+.L0:    al     %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+				    /* get address of __sigjmp_save from got */
+	l      %r1,__sigjmp_save@GOT12(0,%r1)
+	br     %r1
+.L1:    .long  _GLOBAL_OFFSET_TABLE_ - .L0
+#else
+	basr   %r1,0
+.L0:    l      %r1,.L1-.L0(0,%r1)   /* load address of __sigjmp_save */
+	br     %r1                  /* tail-call __sigjmp_save */
+.L1:    .long  __sigjmp_save
+#endif
+END (__sigsetjmp)
+
+#if !defined IS_IN_rtld
+# if defined SHARED &&  SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of setjmp-functions were introduced,
+   but were reverted before 2.20. Thus both versions are the same function.  */
+weak_alias (setjmp, __v1setjmp);
+weak_alias (setjmp, __v2setjmp);
+versioned_symbol (libc, __v1setjmp, setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2setjmp, setjmp, GLIBC_2_19);
+
+weak_alias (_setjmp, __v1_setjmp);
+weak_alias (_setjmp, __v2_setjmp);
+versioned_symbol (libc, __v1_setjmp, _setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2_setjmp, _setjmp, GLIBC_2_19);
+
+weak_extern (__sigsetjmp);
+strong_alias (__sigsetjmp, __v1__sigsetjmp);
+strong_alias (__sigsetjmp, __v2__sigsetjmp);
+versioned_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0);
+compat_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19);
+# endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
+#endif /* if !defined IS_IN_rtld  */
diff --git a/sysdeps/s390/s390-64/__longjmp-common.c b/sysdeps/s390/s390-64/__longjmp-common.c
deleted file mode 100644
index 46cabb6..0000000
--- a/sysdeps/s390/s390-64/__longjmp-common.c
+++ /dev/null
@@ -1,74 +0,0 @@ 
-/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <sysdep.h>
-#include <setjmp.h>
-#include <bits/setjmp.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-/* Jump to the position specified by ENV, causing the
-   setjmp call there to return VAL, or 1 if VAL is 0.  */
-attribute_hidden void
-__longjmp (__jmp_buf env, int val)
-{
-#ifdef PTR_DEMANGLE
-  uintptr_t guard = THREAD_GET_POINTER_GUARD ();
-# ifdef CHECK_SP
-  CHECK_SP (env, guard);
-# endif
-#elif defined CHECK_SP
-  CHECK_SP (env, 0);
-#endif
-  register long int r2 __asm ("%r2") = val == 0 ? 1 : val;
-#ifdef PTR_DEMANGLE
-  register uintptr_t r3 __asm ("%r3") = guard;
-  register void *r1 __asm ("%r1") = (void *) env;
-#endif
-  /* Restore registers and jump back.  */
-  asm volatile ("ld    %%f8,80(%1)\n\t"
-		"ld    %%f9,88(%1)\n\t"
-		"ld    %%f10,96(%1)\n\t"
-		"ld    %%f11,104(%1)\n\t"
-		"ld    %%f12,112(%1)\n\t"
-		"ld    %%f13,120(%1)\n\t"
-		"ld    %%f14,128(%1)\n\t"
-		"ld    %%f15,136(%1)\n\t"
-#ifdef PTR_DEMANGLE
-		"lmg  %%r6,%%r13,0(%1)\n\t"
-		"lmg  %%r4,%%r5,64(%1)\n\t"
-		"xgr  %%r4,%2\n\t"
-		"xgr  %%r5,%2\n\t"
-		"lgr  %%r15,%%r5\n\t"
-		"br   %%r4"
-#else
-		"lmg  %%r6,%%r15,0(%1)\n\t"
-		"br   %%r14"
-#endif
-		: : "r" (r2),
-#ifdef PTR_DEMANGLE
-		    "r" (r1), "r" (r3)
-#else
-		    "a" (env)
-#endif
-		);
-
-  /* Avoid `volatile function does return' warnings.  */
-  for (;;);
-}
diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c
new file mode 100644
index 0000000..168ebf5
--- /dev/null
+++ b/sysdeps/s390/s390-64/__longjmp.c
@@ -0,0 +1,74 @@ 
+/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <setjmp.h>
+#include <bits/setjmp.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Jump to the position specified by ENV, causing the
+   setjmp call there to return VAL, or 1 if VAL is 0.  */
+void
+__longjmp (__jmp_buf env, int val)
+{
+#ifdef PTR_DEMANGLE
+  uintptr_t guard = THREAD_GET_POINTER_GUARD ();
+# ifdef CHECK_SP
+  CHECK_SP (env, guard);
+# endif
+#elif defined CHECK_SP
+  CHECK_SP (env, 0);
+#endif
+  register long int r2 __asm ("%r2") = val == 0 ? 1 : val;
+#ifdef PTR_DEMANGLE
+  register uintptr_t r3 __asm ("%r3") = guard;
+  register void *r1 __asm ("%r1") = (void *) env;
+#endif
+  /* Restore registers and jump back.  */
+  asm volatile ("ld    %%f8,80(%1)\n\t"
+		"ld    %%f9,88(%1)\n\t"
+		"ld    %%f10,96(%1)\n\t"
+		"ld    %%f11,104(%1)\n\t"
+		"ld    %%f12,112(%1)\n\t"
+		"ld    %%f13,120(%1)\n\t"
+		"ld    %%f14,128(%1)\n\t"
+		"ld    %%f15,136(%1)\n\t"
+#ifdef PTR_DEMANGLE
+		"lmg  %%r6,%%r13,0(%1)\n\t"
+		"lmg  %%r4,%%r5,64(%1)\n\t"
+		"xgr  %%r4,%2\n\t"
+		"xgr  %%r5,%2\n\t"
+		"lgr  %%r15,%%r5\n\t"
+		"br   %%r4"
+#else
+		"lmg  %%r6,%%r15,0(%1)\n\t"
+		"br   %%r14"
+#endif
+		: : "r" (r2),
+#ifdef PTR_DEMANGLE
+		    "r" (r1), "r" (r3)
+#else
+		    "a" (env)
+#endif
+		);
+
+  /* Avoid `volatile function does return' warnings.  */
+  for (;;);
+}
diff --git a/sysdeps/s390/s390-64/setjmp-common.S b/sysdeps/s390/s390-64/setjmp-common.S
deleted file mode 100644
index 9cdcae4..0000000
--- a/sysdeps/s390/s390-64/setjmp-common.S
+++ /dev/null
@@ -1,79 +0,0 @@ 
-/* setjmp for 64 bit S/390, ELF version.
-   Copyright (C) 2001-2014 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-
-	/* We include the BSD entry points here as well but we make
-	   them weak.  */
-ENTRY (setjmp)
-	.weak C_SYMBOL_NAME (setjmp)
-        lghi   %r3,1                /* Second argument of one.  */
-        j      0f                   /* Branch relativ to __sigsetjmp.  */
-END (setjmp)
-
-	/* Binary compatibility entry point.  */
-ENTRY(_setjmp)
-        .weak  C_SYMBOL_NAME (_setjmp)
-        slgr   %r3,%r3              /* Second argument of zero.  */
-        j      0f                   /* Branch relativ to __sigsetjmp.  */
-END (_setjmp)
-libc_hidden_def (_setjmp)
-
-ENTRY(__setjmp)
-        slgr   %r3,%r3              /* Second argument of zero.  */
-        j      0f                   /* Branch relativ to __sigsetjmp.  */
-END (__setjmp)
-
-ENTRY(__sigsetjmp)
-0:
-#ifdef PTR_MANGLE
-	stmg   %r6,%r13,0(%r2)      /* Store registers in jmp_buf.  */
-	lgr    %r4,%r14
-	lgr    %r5,%r15
-	PTR_MANGLE (%r4, %r1)
-	PTR_MANGLE2 (%r5, %r1)
-	stmg   %r4,%r5,64(%r2)
-#else
-        stmg   %r6,%r15,0(%r2)      /* Store registers in jmp_buf.  */
-#endif
-#ifndef __V1_JMPBUF
-	lghi   %r4,0
-	stg    %r4,144(%r2)         /* Set __flags to 0.  */
-#endif
-	std    %f8,80(%r2)
-	std    %f9,88(%r2)
-	std    %f10,96(%r2)
-	std    %f11,104(%r2)
-	std    %f12,112(%r2)
-	std    %f13,120(%r2)
-	std    %f14,128(%r2)
-	std    %f15,136(%r2)
-#if defined NOT_IN_libc && defined IS_IN_rtld
-	/* In ld.so we never save the signal mask.  */
-	lghi   %r2,0
-	br     %r14
-#elif defined PIC
-        jg     __sigjmp_save@PLT    /* Branch to PLT of __sigsetjmp.  */
-#else
-	jg     __sigjmp_save
-#endif
-END (__sigsetjmp)
diff --git a/sysdeps/s390/s390-64/setjmp.S b/sysdeps/s390/s390-64/setjmp.S
new file mode 100644
index 0000000..001cbab
--- /dev/null
+++ b/sysdeps/s390/s390-64/setjmp.S
@@ -0,0 +1,98 @@ 
+/* setjmp for 64 bit S/390, ELF version.
+   Copyright (C) 2001-2014 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+#include <shlib-compat.h>
+
+	/* We include the BSD entry points here as well but we make
+	   them weak.  */
+ENTRY (setjmp)
+	.weak C_SYMBOL_NAME (setjmp)
+        lghi   %r3,1                /* Second argument of one.  */
+        j      .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp.  */
+END (setjmp)
+
+	/* Binary compatibility entry point.  */
+ENTRY(_setjmp)
+        .weak  C_SYMBOL_NAME (_setjmp)
+        slgr   %r3,%r3              /* Second argument of zero.  */
+        j      .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp.  */
+END (_setjmp)
+libc_hidden_def (_setjmp)
+
+ENTRY(__setjmp)
+        slgr   %r3,%r3              /* Second argument of zero.  */
+        j      .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp.  */
+END (__setjmp)
+
+ENTRY(__sigsetjmp)
+.Linternal_sigsetjmp:
+#ifdef PTR_MANGLE
+	stmg   %r6,%r13,0(%r2)      /* Store registers in jmp_buf.  */
+	lgr    %r4,%r14
+	lgr    %r5,%r15
+	PTR_MANGLE (%r4, %r1)
+	PTR_MANGLE2 (%r5, %r1)
+	stmg   %r4,%r5,64(%r2)
+#else
+        stmg   %r6,%r15,0(%r2)      /* Store registers in jmp_buf.  */
+#endif
+	std    %f8,80(%r2)
+	std    %f9,88(%r2)
+	std    %f10,96(%r2)
+	std    %f11,104(%r2)
+	std    %f12,112(%r2)
+	std    %f13,120(%r2)
+	std    %f14,128(%r2)
+	std    %f15,136(%r2)
+#if defined NOT_IN_libc && defined IS_IN_rtld
+	/* In ld.so we never save the signal mask.  */
+	lghi   %r2,0
+	br     %r14
+#elif defined PIC
+        jg     __sigjmp_save@PLT    /* Branch to PLT of __sigsetjmp.  */
+#else
+	jg     __sigjmp_save
+#endif
+END (__sigsetjmp)
+
+#if !defined IS_IN_rtld
+# if defined SHARED &&  SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of setjmp-functions were introduced,
+   but were reverted before 2.20. Thus both versions are the same function.  */
+weak_alias (setjmp, __v1setjmp);
+weak_alias (setjmp, __v2setjmp);
+versioned_symbol (libc, __v1setjmp, setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2setjmp, setjmp, GLIBC_2_19);
+
+weak_alias (_setjmp, __v1_setjmp);
+weak_alias (_setjmp, __v2_setjmp);
+versioned_symbol (libc, __v1_setjmp, _setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2_setjmp, _setjmp, GLIBC_2_19);
+
+weak_extern (__sigsetjmp);
+strong_alias (__sigsetjmp, __v1__sigsetjmp);
+strong_alias (__sigsetjmp, __v2__sigsetjmp);
+versioned_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0);
+compat_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19);
+# endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
+#endif /* if !defined IS_IN_rtld  */
diff --git a/sysdeps/s390/setjmp.S b/sysdeps/s390/setjmp.S
deleted file mode 100644
index 2ec621a..0000000
--- a/sysdeps/s390/setjmp.S
+++ /dev/null
@@ -1,64 +0,0 @@ 
-/* Extendible version of setjmp for System z
-   Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <libc-symbols.h>
-#include <shlib-compat.h>
-
-versioned_symbol (libc, __v2setjmp, setjmp, GLIBC_2_19)
-versioned_symbol (libc, __v2_setjmp, _setjmp, GLIBC_2_19)
-versioned_symbol (libc, __v2__setjmp, __setjmp, GLIBC_2_19)
-versioned_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19)
-#define setjmp __v2setjmp
-#define _setjmp __v2_setjmp
-#define __setjmp __v2__setjmp
-#define __sigsetjmp __v2__sigsetjmp
-#define __sigjmp_save __v2__sigjmp_save
-
-#include "setjmp-common.S"
-
-#undef setjmp
-#undef _setjmp
-#undef __setjmp
-#undef __sigsetjmp
-#undef __sigjmp_save
-libc_hidden_ver (__v2setjmp, setjmp)
-libc_hidden_ver (__v2_setjmp, _setjmp)
-libc_hidden_ver (__v2__setjmp, __setjmp)
-libc_hidden_ver (__v2__sigsetjmp, __sigsetjmp)
-
-#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-compat_symbol (libc, __v1setjmp, setjmp, GLIBC_2_0)
-compat_symbol (libc, __v1_setjmp, _setjmp, GLIBC_2_0)
-compat_symbol (libc, __v1__setjmp, __setjmp, GLIBC_2_0)
-compat_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0)
-# define setjmp __v1setjmp
-# define _setjmp __v1_setjmp
-# define __setjmp __v1__setjmp
-# define __sigsetjmp __v1__sigsetjmp
-# define __sigjmp_save __v1__sigjmp_save
-# define __V1_JMPBUF
-
-# include "setjmp-common.S"
-
-# undef setjmp
-# undef _setjmp
-# undef __setjmp
-# undef __sigsetjmp
-# undef __sigjmp_save
-
-#endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
diff --git a/sysdeps/s390/sigjmp.c b/sysdeps/s390/sigjmp.c
deleted file mode 100644
index f7b5a6f..0000000
--- a/sysdeps/s390/sigjmp.c
+++ /dev/null
@@ -1,34 +0,0 @@ 
-/* Copyright (C) 1992-2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <stddef.h>
-#include <setjmp.h>
-#include <signal.h>
-
-/* This function is called by the `sigsetjmp' macro
-   before doing a `__setjmp' on ENV[0].__jmpbuf.
-   Always return zero.  */
-
-int
-__v2__sigjmp_save (sigjmp_buf env, int savemask)
-{
-  env[0].__mask_was_saved = (savemask &&
-			     __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
-					    &env[0].__saved_mask) == 0);
-
-  return 0;
-}
diff --git a/sysdeps/s390/v1-longjmp.c b/sysdeps/s390/v1-longjmp.c
deleted file mode 100644
index 82252c9..0000000
--- a/sysdeps/s390/v1-longjmp.c
+++ /dev/null
@@ -1,57 +0,0 @@ 
-/* Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.
-
-   Versioned copy of sysdeps/generic/longjmp.c modified for extended
-   jmpbuf.  */
-
-#include <shlib-compat.h>
-#include <stddef.h>
-#include <signal.h>
-#include "v1-setjmp.h"
-
-#if !defined NOT_INT_libc && defined SHARED
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-
-void
-__v1__libc_siglongjmp (__v1__sigjmp_buf env, int val)
-{
-  /* Perform any cleanups needed by the frames being unwound.  */
-  _longjmp_unwind (env, val);
-
-  if (env[0].__mask_was_saved)
-    /* Restore the saved signal mask.  */
-    (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
-			  (sigset_t *) NULL);
-
-  /* Call the machine-dependent function to restore machine state.  */
-  __v1__longjmp (env[0].__jmpbuf, val ?: 1);
-}
-
-#  ifndef __v1__longjmp
-strong_alias (__v1__libc_siglongjmp, __v1__libc_longjmp)
-libc_hidden_def (__v1__libc_longjmp)
-weak_alias (__v1__libc_siglongjmp, __v1_longjmp)
-weak_alias (__v1__libc_siglongjmp, __v1longjmp)
-weak_alias (__v1__libc_siglongjmp, __v1siglongjmp)
-
-compat_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0);
-compat_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0);
-compat_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0);
-
-#  endif /* ifndef __v1__longjmp */
-# endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
-#endif /* if !defined NOT_INT_libc && defined SHARED */
diff --git a/sysdeps/s390/v1-setjmp.h b/sysdeps/s390/v1-setjmp.h
deleted file mode 100644
index a4a6b76..0000000
--- a/sysdeps/s390/v1-setjmp.h
+++ /dev/null
@@ -1,111 +0,0 @@ 
-/* Copyright (C) 1991-2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/*
- *	ISO C99 Standard: 7.13 Nonlocal jumps	<setjmp.h>
- */
-
-#ifndef	_V1_SETJMP_H
-#define	_V1_SETJMP_H	1
-
-#include <features.h>
-
-__BEGIN_DECLS
-
-#define __V1_JMPBUF
-#define _SETJMP_H
-#include <bits/setjmp.h>		/* Get `__jmp_buf'.  */
-
-#ifndef _ASM
-
-#include <bits/sigset.h>		/* Get `__sigset_t'.  */
-
-
-/* Calling environment, plus possibly a saved signal mask.  */
-typedef struct __v1__jmp_buf_tag
-  {
-    /* NOTE: The machine-dependent definitions of `__sigsetjmp'
-       assume that a `jmp_buf' begins with a `__jmp_buf' and that
-       `__mask_was_saved' follows it.  Do not move these members
-       or add others before it.  */
-    __jmp_buf __jmpbuf;		/* Calling environment.  */
-    int __mask_was_saved;	/* Saved the signal mask?  */
-    __sigset_t __saved_mask;	/* Saved signal mask.  */
-  } __v1__jmp_buf[1];
-
-
-/* Store the calling environment in ENV, also saving the signal mask.
-   Return 0.  */
-extern int __v1setjmp (__v1__jmp_buf __env);
-
-/* Store the calling environment in ENV, also saving the
-   signal mask if SAVEMASK is nonzero.  Return 0.
-   This is the internal name for `sigsetjmp'.  */
-extern int __v1__sigsetjmp (struct __v1__jmp_buf_tag __env[1],
-			       int __savemask);
-
-/* Store the calling environment in ENV, not saving the signal mask.
-   Return 0.  */
-extern int __v1_setjmp (struct __v1__jmp_buf_tag __env[1]);
-
-/* Jump to the environment saved in ENV, making the
-   `setjmp' call there return VAL, or 1 if VAL is 0.  */
-extern void __v1longjmp (struct __v1__jmp_buf_tag __env[1], int __val)
-     __attribute__ ((__noreturn__));
-
-/* Same.  Usually `_longjmp' is used with `_setjmp', which does not save
-   the signal mask.  But it is how ENV was saved that determines whether
-   `longjmp' restores the mask; `_longjmp' is just an alias.  */
-extern void __v1_longjmp (struct __v1__jmp_buf_tag __env[1], int __val)
-     __attribute__ ((__noreturn__));
-
-/* Use the same type for `jmp_buf' and `sigjmp_buf'.
-   The `__mask_was_saved' flag determines whether
-   or not `longjmp' will restore the signal mask.  */
-typedef struct __v1__jmp_buf_tag __v1__sigjmp_buf[1];
-
-/* Jump to the environment saved in ENV, making the
-   sigsetjmp call there return VAL, or 1 if VAL is 0.
-   Restore the signal mask if that sigsetjmp call saved it.
-   This is just an alias `longjmp'.  */
-extern void __v1siglongjmp (__v1__sigjmp_buf __env, int __val)
-     __attribute__ ((__noreturn__));
-
-/* Internal machine-dependent function to restore context sans signal mask.  */
-extern void __v1__longjmp (__jmp_buf __env, int __val)
-     __attribute__ ((__noreturn__));
-
-/* Internal function to possibly save the current mask of blocked signals
-   in ENV, and always set the flag saying whether or not it was saved.
-   This is used by the machine-dependent definition of `__sigsetjmp'.
-   Always returns zero, for convenience.  */
-extern int __v1__sigjmp_save (__v1__jmp_buf __env, int __savemask);
-
-extern void _longjmp_unwind (__v1__jmp_buf env, int val);
-
-extern void __v1__libc_siglongjmp (__v1__sigjmp_buf env, int val)
-          __attribute__ ((noreturn));
-
-extern void __v1__libc_longjmp (__v1__sigjmp_buf env, int val)
-     __attribute__ ((noreturn));
-
-libc_hidden_proto (__v1__libc_longjmp)
-libc_hidden_proto (__v1_setjmp)
-libc_hidden_proto (__v1__sigsetjmp)
-#endif /* !_ASM */
-
-#endif /* ifndef _V1_SETJMP_H */
diff --git a/sysdeps/s390/v1-sigjmp.c b/sysdeps/s390/v1-sigjmp.c
deleted file mode 100644
index b624d16..0000000
--- a/sysdeps/s390/v1-sigjmp.c
+++ /dev/null
@@ -1,44 +0,0 @@ 
-/* Copyright (C) 1992-2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.
-
-   Copied from setjmp/sigjmp.c for extending jmp_buf.  */
-
-#include <bits/wordsize.h>
-#include <shlib-compat.h>
-
-#if !defined NOT_IN_libc && defined SHARED
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-#  include <stddef.h>
-#  include <v1-setjmp.h>
-#  include <signal.h>
-
-/* This function is called by the `sigsetjmp' macro
-   before doing a `__setjmp' on ENV[0].__jmpbuf.
-   Always return zero.  */
-
-int
-__v1__sigjmp_save (__v1__sigjmp_buf env, int savemask)
-{
-  env[0].__mask_was_saved = (savemask &&
-			     __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
-					    &env[0].__saved_mask) == 0);
-
-  return 0;
-}
-
-# endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
-#endif /* !NOT_IN_libc && SHARED  */
diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile
index 768f926..5c3ca69 100644
--- a/sysdeps/unix/sysv/linux/s390/Makefile
+++ b/sysdeps/unix/sysv/linux/s390/Makefile
@@ -17,12 +17,6 @@  ifeq ($(subdir),elf)
 sysdep_routines += dl-vdso
 endif
 
-ifeq ($(subdir),debug)
-ifeq (yes,$(build-shared))
-sysdep_routines += v1-longjmp_chk
-endif
-endif
-
 ifeq ($(subdir),nptl)
 ifeq ($(enable-lock-elision),yes)
 libpthread-sysdep_routines += elision-lock elision-unlock elision-timed \
diff --git a/sysdeps/unix/sysv/linux/s390/getcontext.S b/sysdeps/unix/sysv/linux/s390/getcontext.S
deleted file mode 100644
index 5edbf95..0000000
--- a/sysdeps/unix/sysv/linux/s390/getcontext.S
+++ /dev/null
@@ -1,38 +0,0 @@ 
-/* Extendible version of getcontext for System z
-   Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <libc-symbols.h>
-#include <shlib-compat.h>
-
-versioned_symbol (libc, __v2getcontext, getcontext, GLIBC_2_19)
-#define __getcontext __v2getcontext
-
-#include "getcontext-common.S"
-
-#undef __getcontext
-
-libc_hidden_ver (__v2getcontext, getcontext)
-
-#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_19)
-# define __V1_UCONTEXT
-compat_symbol (libc, __v1getcontext, getcontext, GLIBC_2_1)
-# define __getcontext __v1getcontext
-# include "getcontext-common.S"
-# undef __getcontext
-
-#endif
diff --git a/sysdeps/unix/sysv/linux/s390/longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
index 10f542d..13bc7f2 100644
--- a/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
@@ -1,4 +1,4 @@ 
-/* Copyright (C) 2013 Free Software Foundation, Inc.
+/* Copyright (C) 2014 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
@@ -15,30 +15,21 @@ 
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.
 
-   This is a copy of debug/longjmp_chk.c extended for symbol
-   versioning.  */
+   Versioned copy of debug/longjmp_chk.c modified for versioning
+   the reverted jmpbuf extension.  */
 
 #include <shlib-compat.h>
-#include <setjmp.h>
 
-/* This place is the only user of these functions.  */
-extern void ____v2__longjmp_chk (__jmp_buf __env, int __val)
-     __attribute__ ((__noreturn__));
-
-#if defined NOT_IN_libc
-
-# define __v2__longjmp ____longjmp_chk
-# define __v2__libc_siglongjmp __longjmp_chk
-
-# include <longjmp.c>
-
-#else
-
-# define __v2__longjmp ____v2__longjmp_chk
-# define __v2__libc_siglongjmp __v2__libc_siglongjmp_chk
-
-# include <longjmp.c>
-
-versioned_symbol (libc, __v2__libc_siglongjmp_chk, __longjmp_chk, GLIBC_2_19);
-
-#endif
+#include <debug/longjmp_chk.c>
+
+#if !defined NOT_IN_libc
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 a new versions of __longjmp_chk was introduced,
+   but was reverted before 2.20. Thus both versions are the same function.  */
+weak_extern (__longjmp_chk);
+strong_alias (__longjmp_chk, __v1__longjmp_chk);
+strong_alias (__longjmp_chk, __v2__longjmp_chk);
+versioned_symbol (libc, __v1__longjmp_chk, __longjmp_chk, GLIBC_2_11);
+compat_symbol (libc, __v2__longjmp_chk, __longjmp_chk, GLIBC_2_19);
+# endif /* defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
+#endif /* !defined NOT_IN_libc  */
diff --git a/sysdeps/unix/sysv/linux/s390/pt-longjmp.c b/sysdeps/unix/sysv/linux/s390/pt-longjmp.c
index 801432c..b12bcd6 100644
--- a/sysdeps/unix/sysv/linux/s390/pt-longjmp.c
+++ b/sysdeps/unix/sysv/linux/s390/pt-longjmp.c
@@ -1,4 +1,4 @@ 
-/* Copyright (C) 2013 Free Software Foundation, Inc.
+/* Copyright (C) 2014 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
@@ -7,7 +7,7 @@ 
    version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   but WITHOUT ANY WARRANTY; without even the implied waranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
 
@@ -15,49 +15,24 @@ 
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.
 
-   This is a copy of pthread/pt-longjmp.c made for extending the
-   jmpbuf structure on System z.  */
+   Versioned copy of nptl/pt-longjmp.c modified for versioning
+   the reverted jmpbuf extension.  */
 
-#include <setjmp.h>
-#include <stdlib.h>
-#include <bits/wordsize.h>
-#include "pthreadP.h"
 #include  <shlib-compat.h>
-#if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_19)
-
-/* The __v1 version prototypes are declared in v1-setjmp.h which
-   cannot be included together with setjmp.h.  So we put the
-   prototypes here manually.  */
-extern void __v1__libc_siglongjmp (sigjmp_buf env, int val)
-     __attribute__ ((noreturn));
-extern void __v1__libc_longjmp (sigjmp_buf env, int val)
-     __attribute__ ((noreturn));
-
-void __v1_siglongjmp (sigjmp_buf env, int val)
-{
-  __v1__libc_siglongjmp (env, val);
-}
-
-void __v1_longjmp (jmp_buf env, int val)
-{
-  __v1__libc_longjmp (env, val);
-}
-
-compat_symbol (libpthread, __v1_longjmp, longjmp, GLIBC_2_0);
-compat_symbol (libpthread, __v1_siglongjmp, siglongjmp, GLIBC_2_0);
-#endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_19))  */
-
-void
-__v2_longjmp (jmp_buf env, int val)
-{
-  __libc_longjmp (env, val);
-}
-
-void
-__v2_siglongjmp (jmp_buf env, int val)
-{
-  __libc_siglongjmp (env, val);
-}
-
-versioned_symbol (libpthread, __v2_longjmp, longjmp, GLIBC_2_19);
-versioned_symbol (libpthread, __v2_siglongjmp, siglongjmp, GLIBC_2_19);
+
+#include <nptl/pt-longjmp.c>
+
+#if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of longjmp-functions were introduced,
+   but were reverted before 2.20. Thus both versions are the same function.  */
+weak_extern (longjmp);
+strong_alias (longjmp, __v1longjmp)
+strong_alias (longjmp, __v2longjmp)
+versioned_symbol (libpthread, __v1longjmp, longjmp, GLIBC_2_0);
+compat_symbol (libpthread, __v2longjmp, longjmp, GLIBC_2_19);
+
+weak_alias (siglongjmp, __v1siglongjmp)
+weak_alias (siglongjmp, __v2siglongjmp)
+versioned_symbol (libpthread, __v1siglongjmp, siglongjmp, GLIBC_2_0);
+compat_symbol (libpthread, __v2siglongjmp, siglongjmp, GLIBC_2_19);
+#endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20))  */
diff --git a/sysdeps/unix/sysv/linux/s390/rtld-getcontext.S b/sysdeps/unix/sysv/linux/s390/rtld-getcontext.S
deleted file mode 100644
index 653f2b6..0000000
--- a/sysdeps/unix/sysv/linux/s390/rtld-getcontext.S
+++ /dev/null
@@ -1,19 +0,0 @@ 
-/* Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* Build a non-versioned object for rtld-*.  */
-#include "getcontext-common.S"
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
index a1b7a6a..e74f335 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
@@ -26,8 +26,8 @@ 
 #include <stdint.h>
 #include <signal.h>
 #include <sys/syscall.h>
-#include <libc-symbols.h>
-#include <shlib-compat.h>
+
+#define __longjmp ____longjmp_chk
 
 #define CHECK_SP(env, guard) \
   do									\
@@ -51,22 +51,4 @@ 
 	}								\
     } while (0)
 
-
-#if defined NOT_IN_libc
-/* Build a non-versioned object for rtld-*.  */
-# define __longjmp ____longjmp_chk
-# include "__longjmp-common.c"
-
-#else /* !NOT_IN_libc */
-# define __longjmp  ____v2__longjmp_chk
-# include "__longjmp-common.c"
-
-# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_11, GLIBC_2_19)
-#  undef __longjmp
-#  define __V1_JMPBUF
-#  define __longjmp  ____v1__longjmp_chk
-#  include "__longjmp-common.c"
-#  undef __longjmp
-
-# endif
-#endif /* !NOT_IN_libc */
+#include "__longjmp.c"
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S
deleted file mode 100644
index 4992030..0000000
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S
+++ /dev/null
@@ -1,112 +0,0 @@ 
-/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <features.h>
-
-#include "rtld-global-offsets.h"
-#include "ucontext_i.h"
-
-/*  __getcontext (const ucontext_t *ucp)
-
-  Saves the machine context in UCP such that when it is activated,
-  it appears as if __getcontext() returned again.
-
-  This implementation is intended to be used for *synchronous* context
-  switches only.  Therefore, it does not have to save anything
-  other than the PRESERVED state.  */
-
-ENTRY(__getcontext)
-	lr      %r1,%r2
-
-	/* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize).  */
-	la      %r2,SIG_BLOCK
-	slr	%r3,%r3
-	la      %r4,SC_MASK(%r1)
-	lhi	%r5,_NSIG8
-	svc	SYS_ify(rt_sigprocmask)
-
-	/* Store fpu context.  */
-	stfpc   SC_FPC(%r1)
-	std     %f0,SC_FPRS(%r1)
-	std     %f1,SC_FPRS+8(%r1)
-	std     %f2,SC_FPRS+16(%r1)
-	std     %f3,SC_FPRS+24(%r1)
-	std     %f4,SC_FPRS+32(%r1)
-	std     %f5,SC_FPRS+40(%r1)
-	std     %f6,SC_FPRS+48(%r1)
-	std     %f7,SC_FPRS+56(%r1)
-	std     %f8,SC_FPRS+64(%r1)
-	std     %f9,SC_FPRS+72(%r1)
-	std     %f10,SC_FPRS+80(%r1)
-	std     %f11,SC_FPRS+88(%r1)
-	std     %f12,SC_FPRS+96(%r1)
-	std     %f13,SC_FPRS+104(%r1)
-	std     %f14,SC_FPRS+112(%r1)
-	std     %f15,SC_FPRS+120(%r1)
-
-	lhi	%r2,0
-#ifndef __V1_UCONTEXT
-	bras	%r3,0f
-# ifdef IS_IN_rtld
-  /* Within ld.so we can do slightly better by addressing dl_hwap
-     relative to GOT start.  */
-1:	.long	_GLOBAL_OFFSET_TABLE_ - 1b
-	.long	C_SYMBOL_NAME(_rtld_global_ro)@GOTOFF
-0:	l	%r4,0(%r3)
-	la	%r4,0(%r3,%r4)
-	l	%r5,4(%r3)
-	/* _dl_hwcap is 64 bit and we need the lower 32.  */
-	l	%r3,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(%r4,%r5)
-# elif PIC
-1:	.long	_GLOBAL_OFFSET_TABLE_ - 1b
-	.long	C_SYMBOL_NAME(_rtld_global_ro)@GOT
-0:	l	%r4,0(%r3)
-	la	%r4,0(%r3,%r4)  /* GOT pointer -> r4 */
-	l	%r5,4(%r3)      /* GOT offset -> r5 */
-	l	%r5,0(%r4,%r5)  /* GOT slot -> r5 */
-	l	%r3,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(%r5)
-# else
-	.long	C_SYMBOL_NAME(_dl_hwcap)
-0:	l	%r3,0(%r3)
-	l	%r3,0(%r3)
-# endif
-	tml	%r3,512 /* HWCAP_S390_HIGH_GPRS */
-	jz	2f
-	/* highgprs implies zarch so stmh/oill is ok here.  */
-	.machine "z900"
-	.machinemode "zarch_nohighgprs"
-	stmh	%r0,%r15,SC_HIGHGPRS(%r1)
-	oill	%r2,1 /* UCONTEXT_UC_FLAGS_HIGH_GPRS */
-#endif
-2:	st	%r2,SC_FLGS(%r1)
-
-	/* Set __getcontext return value to 0.  */
-	slr     %r2,%r2
-
-	/* Store access registers.  */
-	stam    %a0,%a15,SC_ACRS(%r1)
-
-	/* Store general purpose registers.  */
-	stm     %r0,%r15,SC_GPRS(%r1)
-
-	/* Return.  */
-	br	%r14
-END(__getcontext)
-
-weak_alias (__getcontext, getcontext)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
new file mode 100644
index 0000000..f35bc5c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
@@ -0,0 +1,86 @@ 
+/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include <features.h>
+
+#include "ucontext_i.h"
+
+#include <shlib-compat.h>
+
+/*  __getcontext (const ucontext_t *ucp)
+
+  Saves the machine context in UCP such that when it is activated,
+  it appears as if __getcontext() returned again.
+
+  This implementation is intended to be used for *synchronous* context
+  switches only.  Therefore, it does not have to save anything
+  other than the PRESERVED state.  */
+
+ENTRY(__getcontext)
+	lr      %r1,%r2
+
+	/* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize).  */
+	la      %r2,SIG_BLOCK
+	slr	%r3,%r3
+	la	%r4,SC_MASK(%r1)
+	lhi	%r5,_NSIG8
+	svc	SYS_ify(rt_sigprocmask)
+
+	/* Store fpu context.  */
+	stfpc   SC_FPC(%r1)
+	std     %f0,SC_FPRS(%r1)
+	std     %f1,SC_FPRS+8(%r1)
+	std     %f2,SC_FPRS+16(%r1)
+	std     %f3,SC_FPRS+24(%r1)
+	std     %f4,SC_FPRS+32(%r1)
+	std     %f5,SC_FPRS+40(%r1)
+	std     %f6,SC_FPRS+48(%r1)
+	std     %f7,SC_FPRS+56(%r1)
+	std     %f8,SC_FPRS+64(%r1)
+	std     %f9,SC_FPRS+72(%r1)
+	std     %f10,SC_FPRS+80(%r1)
+	std     %f11,SC_FPRS+88(%r1)
+	std     %f12,SC_FPRS+96(%r1)
+	std     %f13,SC_FPRS+104(%r1)
+	std     %f14,SC_FPRS+112(%r1)
+	std     %f15,SC_FPRS+120(%r1)
+
+	/* Set __getcontext return value to 0.  */
+	slr     %r2,%r2
+
+	/* Store access registers.  */
+	stam    %a0,%a15,SC_ACRS(%r1)
+
+	/* Store general purpose registers.  */
+	stm     %r0,%r15,SC_GPRS(%r1)
+
+	/* Return.  */
+	br	%r14
+END(__getcontext)
+
+weak_alias (__getcontext, getcontext)
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 a new version of getcontext was introduced,
+   but was reverted before 2.20. Thus both versions are the same function.  */
+weak_alias (__getcontext, __v1__getcontext)
+weak_alias (__getcontext, __v2__getcontext)
+versioned_symbol (libc, __v1__getcontext, getcontext, GLIBC_2_1)
+compat_symbol (libc, __v2__getcontext, getcontext, GLIBC_2_19)
+#endif
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index 03f2e83..0194f0b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -1777,7 +1777,6 @@  GLIBC_2.18
 GLIBC_2.19
  GLIBC_2.19 A
  __longjmp_chk F
- __setjmp F
  __sigsetjmp F
  _longjmp F
  _setjmp F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
index fbe8b77..42839e2 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
@@ -62,16 +62,8 @@  ENTRY(__setcontext)
 	/* Don't touch %a0, used for thread purposes.  */
 	lam	%a1,%a15,SC_ACRS+4(%r1)
 
-	/* Restore the upper halfs if available.  */
-	l	%r2,SC_FLGS(%r1)
-	tml	%r2,1   /* UCONTEXT_UC_FLAGS_HIGH_GPRS */
-	jz	0f
-	.machine	"z900"
-	.machinemode	"zarch_nohighgprs"
-	lmh	%r0,%r15,SC_HIGHGPRS(%r1)
-
 	/* Load general purpose registers.  */
-0:	lm	%r0,%r15,SC_GPRS(%r1)
+	lm	%r0,%r15,SC_GPRS(%r1)
 
 	/* Return.  */
 	br	%r14
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
index 41ede4b..9206aa3 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
@@ -65,31 +65,19 @@  ENTRY(__swapcontext)
 	std     %f14,SC_FPRS+112(%r1)
 	std     %f15,SC_FPRS+120(%r1)
 
-	/* Store access registers.  */
-	stam    %a0,%a15,SC_ACRS(%r1)
-
 	/* Set __swapcontext return value to 0.  */
 	slr     %r2,%r2
 
+	/* Store access registers.  */
+	stam    %a0,%a15,SC_ACRS(%r1)
+
 	/* Store general purpose registers.  */
 	stm     %r0,%r15,SC_GPRS(%r1)
 
-	/* Copy uc_flags into the new ucontext_t.  */
+	/* sigprocmask (SIG_SETMASK, &sc->sc_mask, NULL).  */
+	la      %r2,SIG_BLOCK
 	lr	%r5,%r0
-	l	%r2,SC_FLGS(%r5)
-	st	%r2,SC_FLGS(%r1)
-
-	/* Save/restore the upper halfs if necessary.  */
-	tml	%r2,1   /* UCONTEXT_UC_FLAGS_HIGH_GPRS */
-	jz	0f
-	.machine	"z900"
-	.machinemode	"zarch_nohighgprs"
-	stmh	%r0,%r15,SC_HIGHGPRS(%r1)
-	lmh	%r0,%r15,SC_HIGHGPRS(%r5)
-
-	/* rt_sigprocmask (SIG_SETMASK, &sc->sc_mask, NULL, sigsetsize).  */
-0:	la      %r2,SIG_BLOCK
-	la      %r3,SC_MASK(%r5)
+	la	%r3,SC_MASK(%r5)
 	slr	%r4,%r4
 	lhi	%r5,_NSIG8
 	svc	SYS_ify(rt_sigprocmask)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym b/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym
deleted file mode 100644
index 705c7ab..0000000
--- a/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym
+++ /dev/null
@@ -1,26 +0,0 @@ 
-#include <stddef.h>
-#include <signal.h>
-#include <sys/ucontext.h>
-
---
-
-SIG_BLOCK
-SIG_UNBLOCK
-SIG_SETMASK
-
-_NSIG8          (_NSIG / 8)
-
-#define ucontext(member)	offsetof (ucontext_t, member)
-#define mcontext(member)	ucontext (uc_mcontext.member)
-
-SC_FLGS		ucontext (uc_flags)
-SC_LINK		ucontext (uc_link)
-SC_STCK		ucontext (uc_stack.ss_sp)
-SC_STSZ		ucontext (uc_stack.ss_size)
-SC_PSW		mcontext (psw)
-SC_GPRS		mcontext (gregs)
-SC_ACRS		mcontext (aregs)
-SC_FPC		mcontext (fpregs.fpc)
-SC_FPRS		mcontext (fpregs.fprs)
-SC_MASK		ucontext (uc_sigmask)
-SC_HIGHGPRS	ucontext (uc_high_gprs)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
index bc27b08..a3b1375 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
@@ -26,8 +26,8 @@ 
 #include <stdint.h>
 #include <signal.h>
 #include <sys/syscall.h>
-#include <libc-symbols.h>
-#include <shlib-compat.h>
+
+#define __longjmp ____longjmp_chk
 
 #define CHECK_SP(env, guard) \
   do									\
@@ -51,23 +51,4 @@ 
 	}								\
     } while (0)
 
-
-#if defined NOT_IN_libc
-/* Build a non-versioned object for rtld-*.  */
-# define __longjmp ____longjmp_chk
-# include "__longjmp-common.c"
-
-#else /* !NOT_IN_libc */
-# define __longjmp  ____v2__longjmp_chk
-# include "__longjmp-common.c"
-# undef __longjmp
-
-# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_11, GLIBC_2_19)
-#  undef __longjmp
-#  define __V1_JMPBUF
-#  define __longjmp  ____v1__longjmp_chk
-#  include "__longjmp-common.c"
-#  undef __longjmp
-
-# endif
-#endif /* !NOT_IN_libc */
+#include "__longjmp.c"
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S
deleted file mode 100644
index 3e61e30..0000000
--- a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S
+++ /dev/null
@@ -1,79 +0,0 @@ 
-/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <features.h>
-
-#include "ucontext_i.h"
-
-/*  __getcontext (const ucontext_t *ucp)
-
-  Saves the machine context in UCP such that when it is activated,
-  it appears as if __getcontext() returned again.
-
-  This implementation is intended to be used for *synchronous* context
-  switches only.  Therefore, it does not have to save anything
-  other than the PRESERVED state.  */
-
-ENTRY(__getcontext)
-	lgr     %r1,%r2
-
-	/* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize).  */
-	la      %r2,SIG_BLOCK
-	slgr	%r3,%r3
-	la	%r4,SC_MASK(%r1)
-	lghi	%r5,_NSIG8
-	svc	SYS_ify(rt_sigprocmask)
-
-	/* Store fpu context.  */
-	stfpc   SC_FPC(%r1)
-	std     %f0,SC_FPRS(%r1)
-	std     %f1,SC_FPRS+8(%r1)
-	std     %f2,SC_FPRS+16(%r1)
-	std     %f3,SC_FPRS+24(%r1)
-	std     %f4,SC_FPRS+32(%r1)
-	std     %f5,SC_FPRS+40(%r1)
-	std     %f6,SC_FPRS+48(%r1)
-	std     %f7,SC_FPRS+56(%r1)
-	std     %f8,SC_FPRS+64(%r1)
-	std     %f9,SC_FPRS+72(%r1)
-	std     %f10,SC_FPRS+80(%r1)
-	std     %f11,SC_FPRS+88(%r1)
-	std     %f12,SC_FPRS+96(%r1)
-	std     %f13,SC_FPRS+104(%r1)
-	std     %f14,SC_FPRS+112(%r1)
-	std     %f15,SC_FPRS+120(%r1)
-
-	/* Set __getcontext return value to 0.  */
-	slgr    %r2,%r2
-
-	/* Store the version number into the uc_flags field.  So far
-	   we do not make use of the reserved bytes so we store a zero.  */
-	stg	%r2,SC_FLGS(%r1)
-
-	/* Store access registers.  */
-	stam    %a0,%a15,SC_ACRS(%r1)
-
-	/* Store general purpose registers.  */
-	stmg    %r0,%r15,SC_GPRS(%r1)
-
-	/* Return.  */
-	br	%r14
-END(__getcontext)
-
-weak_alias (__getcontext, getcontext)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S
new file mode 100644
index 0000000..26a1c51
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S
@@ -0,0 +1,86 @@ 
+/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include <features.h>
+
+#include "ucontext_i.h"
+
+#include <shlib-compat.h>
+
+/*  __getcontext (const ucontext_t *ucp)
+
+  Saves the machine context in UCP such that when it is activated,
+  it appears as if __getcontext() returned again.
+
+  This implementation is intended to be used for *synchronous* context
+  switches only.  Therefore, it does not have to save anything
+  other than the PRESERVED state.  */
+
+ENTRY(__getcontext)
+	lgr     %r1,%r2
+
+	/* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize).  */
+	la      %r2,SIG_BLOCK
+	slgr	%r3,%r3
+	la	%r4,SC_MASK(%r1)
+	lghi	%r5,_NSIG8
+	svc	SYS_ify(rt_sigprocmask)
+
+	/* Store fpu context.  */
+	stfpc   SC_FPC(%r1)
+	std     %f0,SC_FPRS(%r1)
+	std     %f1,SC_FPRS+8(%r1)
+	std     %f2,SC_FPRS+16(%r1)
+	std     %f3,SC_FPRS+24(%r1)
+	std     %f4,SC_FPRS+32(%r1)
+	std     %f5,SC_FPRS+40(%r1)
+	std     %f6,SC_FPRS+48(%r1)
+	std     %f7,SC_FPRS+56(%r1)
+	std     %f8,SC_FPRS+64(%r1)
+	std     %f9,SC_FPRS+72(%r1)
+	std     %f10,SC_FPRS+80(%r1)
+	std     %f11,SC_FPRS+88(%r1)
+	std     %f12,SC_FPRS+96(%r1)
+	std     %f13,SC_FPRS+104(%r1)
+	std     %f14,SC_FPRS+112(%r1)
+	std     %f15,SC_FPRS+120(%r1)
+
+	/* Set __getcontext return value to 0.  */
+	slgr    %r2,%r2
+
+	/* Store access registers.  */
+	stam    %a0,%a15,SC_ACRS(%r1)
+
+	/* Store general purpose registers.  */
+	stmg    %r0,%r15,SC_GPRS(%r1)
+
+	/* Return.  */
+	br	%r14
+END(__getcontext)
+
+weak_alias (__getcontext, getcontext)
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 a new version of getcontext was introduced,
+   but was reverted before 2.20. Thus both versions are the same function.  */
+weak_alias (__getcontext, __v1__getcontext)
+weak_alias (__getcontext, __v2__getcontext)
+versioned_symbol (libc, __v1__getcontext, getcontext, GLIBC_2_1)
+compat_symbol (libc, __v2__getcontext, getcontext, GLIBC_2_19)
+#endif
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index 4576fc8..807f702 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -98,7 +98,6 @@  GLIBC_2.18
 GLIBC_2.19
  GLIBC_2.19 A
  __longjmp_chk F
- __setjmp F
  __sigsetjmp F
  _longjmp F
  _setjmp F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S
index ac74b6b..e3e624c 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S
@@ -65,25 +65,21 @@  ENTRY(__swapcontext)
 	std     %f14,SC_FPRS+112(%r1)
 	std     %f15,SC_FPRS+120(%r1)
 
+	/* Set __swapcontext return value to 0.  */
+	slgr     %r2,%r2
+
 	/* Store access registers.  */
 	stam    %a0,%a15,SC_ACRS(%r1)
 
-	/* Set __swapcontext return value to 0.  */
-	slgr	%r2,%r2
-
 	/* Store general purpose registers.  */
 	stmg    %r0,%r15,SC_GPRS(%r1)
 
-	/* Copy uc_flags into the new ucontext_t.  */
-	lgr	%r5,%r0
-	lg	%r2,SC_FLGS(%r5)
-	stg	%r2,SC_FLGS(%r1)
-
 	/* rt_sigprocmask (SIG_SETMASK, &sc->sc_mask, NULL, sigsetsize).  */
 	la      %r2,SIG_BLOCK
+	lgr	%r5,%r0
 	la	%r3,SC_MASK(%r5)
-	slgr	%r4,%r4
 	lghi	%r5,_NSIG8
+	slgr	%r4,%r4
 	svc	SYS_ify(rt_sigprocmask)
 
 	/* Load fpu context.  */
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.sym b/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.sym
deleted file mode 100644
index 6cc9f19..0000000
--- a/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.sym
+++ /dev/null
@@ -1,25 +0,0 @@ 
-#include <stddef.h>
-#include <signal.h>
-#include <sys/ucontext.h>
-
---
-
-SIG_BLOCK
-SIG_UNBLOCK
-SIG_SETMASK
-
-_NSIG8          (_NSIG / 8)
-
-#define ucontext(member)	offsetof (ucontext_t, member)
-#define mcontext(member)	ucontext (uc_mcontext.member)
-
-SC_FLGS		ucontext (uc_flags)
-SC_LINK		ucontext (uc_link)
-SC_STCK		ucontext (uc_stack.ss_sp)
-SC_STSZ		ucontext (uc_stack.ss_size)
-SC_PSW		mcontext (psw)
-SC_GPRS		mcontext (gregs)
-SC_ACRS		mcontext (aregs)
-SC_FPC		mcontext (fpregs.fpc)
-SC_FPRS		mcontext (fpregs.fprs)
-SC_MASK		ucontext (uc_sigmask)
diff --git a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
index f04bf84..d528cb1 100644
--- a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
+++ b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
@@ -64,15 +64,6 @@  typedef struct
     fpreg_t fprs[16];
   } fpregset_t;
 
-/* Bit is set if the uc_high_gprs field contains the upper halfs of
-   the 64 bit general purpose registers.  Since the uc_high_gprs field
-   is only available in the 32 bit version of ucontext_t it will never
-   be set for 64 bit.  */
-#define UCONTEXT_UC_FLAGS_HIGH_GPRS (1UL << 0)
-
-/* A new uc_flags constant will be defined when actually making use of
-   the reserved space: UCONTEXT_UCFLAGS_RESERVED (1UL << 1).  */
-
 /* Context to describe whole processor state.  */
 typedef struct
   {
@@ -90,10 +81,6 @@  struct ucontext
     stack_t uc_stack;
     mcontext_t uc_mcontext;
     __sigset_t uc_sigmask;
-#ifndef __s390x__
-    unsigned long uc_high_gprs[16];
-#endif
-    char __reserved[512];
   };
 
 
diff --git a/sysdeps/unix/sysv/linux/s390/ucontext_i.sym b/sysdeps/unix/sysv/linux/s390/ucontext_i.sym
new file mode 100644
index 0000000..6cc9f19
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/ucontext_i.sym
@@ -0,0 +1,25 @@ 
+#include <stddef.h>
+#include <signal.h>
+#include <sys/ucontext.h>
+
+--
+
+SIG_BLOCK
+SIG_UNBLOCK
+SIG_SETMASK
+
+_NSIG8          (_NSIG / 8)
+
+#define ucontext(member)	offsetof (ucontext_t, member)
+#define mcontext(member)	ucontext (uc_mcontext.member)
+
+SC_FLGS		ucontext (uc_flags)
+SC_LINK		ucontext (uc_link)
+SC_STCK		ucontext (uc_stack.ss_sp)
+SC_STSZ		ucontext (uc_stack.ss_size)
+SC_PSW		mcontext (psw)
+SC_GPRS		mcontext (gregs)
+SC_ACRS		mcontext (aregs)
+SC_FPC		mcontext (fpregs.fpc)
+SC_FPRS		mcontext (fpregs.fprs)
+SC_MASK		ucontext (uc_sigmask)
diff --git a/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c
deleted file mode 100644
index bd80acf..0000000
--- a/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c
+++ /dev/null
@@ -1,35 +0,0 @@ 
-/* Copyright (C) 2013 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.
-
-   This went into a separate source file since we would otherwise be
-   needed to include two different versions of setjmp.h into the same
-   file.  */
-
-#include <shlib-compat.h>
-
-#if !defined NOT_IN_libc && defined SHARED
-# if SHLIB_COMPAT (libc, GLIBC_2_11, GLIBC_2_19)
-
-#  define __v1__longjmp ____v1__longjmp_chk
-#  define __v1__libc_siglongjmp __v1__libc_siglongjmp_chk
-
-#  include <v1-longjmp.c>
-
-compat_symbol (libc, __v1__libc_siglongjmp_chk, __longjmp_chk, GLIBC_2_11);
-
-# endif
-#endif