1/* Copyright (C) 2012-2022 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#include <sysdep.h>
19
20ENTRY(__makecontext_ret)
21	/* Mark r14 as undefined in order to stop unwinding here!  */
22	cfi_undefined (r14)
23	basr	%r14,%r7
24	ltgr	%r8,%r8			/* Check whether uc_link is 0.  */
25	jz	1f
26	lgr	%r2,%r8
27	br	%r9
281:	lghi	%r2,0
29	brasl	%r14,HIDDEN_JUMPTARGET (exit)
30	j	.+2			/* Trap if exit returns.  */
31END(__makecontext_ret)
32