1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c b/REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
new file mode 100644
index 0000000000..878cbd4850
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2014-2017 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 debug/longjmp_chk.c modified for versioning
+   the reverted jmpbuf extension.  */
+
+#include <shlib-compat.h>
+
+#if IS_IN (libc) && defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* this is a copy from debug/longjmp_chk.c because we need an unique name
+   for __longjmp_chk, but it is already named via a define
+   for __libc_siglongjmp in debug/longjmp_chk.c.  */
+# include <setjmp.h>
+
+// XXX Should move to include/setjmp.h
+extern void ____longjmp_chk (__jmp_buf __env, int __val)
+     __attribute__ ((__noreturn__));
+
+# define __longjmp ____longjmp_chk
+# define __libc_siglongjmp __v1__longjmp_chk
+
+# include <setjmp/longjmp.c>
+
+/* 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.  */
+strong_alias (__v1__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);
+
+#else
+
+# include <debug/longjmp_chk.c>
+
+#endif