[PATCH] S/390 Backporting "Reverting the jmp_buf/ucontext_t ABI change"

[Stefan Liebler <stli at linux dot vnet dot ibm dot com>]

Hi,

here is the backport for branch/release/2.19/master of the patch 
"[PATCH] S/390 Reverting the jmp_buf/ucontext_t ABI change" proposed in 
https://www.sourceware.org/ml/libc-alpha/2014-07/msg00527.html

This patch is tested in the same way as the original one.

Bye Stefan

---
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.
	* nptl/sysdeps/unix/sysv/linux/s390/pt-longjmp.c:
	Include nptl/sysdeps/pthread/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/nptl/libc.abilist:
	Regenerated.
	* sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist:
	Regenerated.
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