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diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S b/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S
new file mode 100644
index 0000000000..0941dd22a7
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S
@@ -0,0 +1,68 @@
+/* Copyright (C) 2009-2017 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/>.  */
+
+#include <sysdep.h>
+#include <rtld-global-offsets.h>
+
+	.section .rodata.str1.8,"aMS",@progbits,1
+	.align 3
+.LC0:
+	.string "longjmp causes uninitialized stack frame"
+	.section .toc,"aw"
+.LC1:
+	.tc .LC0[TC],.LC0
+	.text
+
+#define __longjmp ____longjmp_chk
+
+#define CHECK_SP(reg) \
+	cmpld	reg, r1;				\
+	bge+	.Lok;					\
+	mflr	r0;					\
+	std	r0,FRAME_LR_SAVE(r1);			\
+	mr	r31,r3;					\
+	mr	r30,r4;					\
+	stdu	r1,-FRAME_MIN_SIZE-32(r1);		\
+	cfi_remember_state;				\
+	cfi_adjust_cfa_offset (FRAME_MIN_SIZE+32);	\
+	cfi_offset (lr, FRAME_LR_SAVE);			\
+	li	r3,0;					\
+	addi	r4,r1,FRAME_MIN_SIZE;			\
+	li	r0,__NR_sigaltstack;			\
+	sc;						\
+	/* Without working sigaltstack we cannot perform the test.  */ \
+	bso	.Lok2;					\
+	lwz	r0,FRAME_MIN_SIZE+8(r1);		\
+	andi.	r4,r0,1;				\
+	beq	.Lfail;					\
+	ld	r0,FRAME_MIN_SIZE+16(r1);		\
+	ld	r4,FRAME_MIN_SIZE(r1);			\
+	add	r4,r4,r0;				\
+	sub	r3,r3,reg;				\
+	cmpld	r3,r0;					\
+	bge+	.Lok2;					\
+.Lfail:							\
+	ld	r3,.LC1@toc(2);				\
+	bl	HIDDEN_JUMPTARGET (__fortify_fail);	\
+	nop;						\
+.Lok2:							\
+	mr	r3,r31;					\
+	mr	r4,r30;					\
+	cfi_restore_state;				\
+.Lok:
+
+#include <__longjmp-common.S>