1/* Copyright (C) 2009-2021 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	.section .rodata.str1.1,"aMS",@progbits,1
19	.type	longjmp_msg,@object
20longjmp_msg:
21	.string "longjmp causes uninitialized stack frame"
22	.size	longjmp_msg, .-longjmp_msg
23	.text
24
25#define __longjmp ____longjmp_chk
26
27#ifdef PIC
28# define CALL_FAIL \
29	mov.l	.Lfail, r1;				\
30	mov.l	.Lstr, r4;				\
31	mov.l	r12, @-r15;				\
32	cfi_remember_state;				\
33	cfi_adjust_cfa_offset (4);			\
34	cfi_rel_offset (r12, 0);			\
35	mova	.Lgot, r0;				\
36	mov.l	.Lgot, r12;				\
37	add	r0, r12;				\
38	sts.l	pr, @-r15;				\
39	cfi_adjust_cfa_offset (4);			\
40	cfi_rel_offset (pr, 0);				\
41	bsrf	r1;					\
42	 add	r12, r4;				\
43	/* Unreachable.	 */				\
44.Lfail0:						\
45	.align	2;					\
46.Lgot:							\
47	.long	_GLOBAL_OFFSET_TABLE_;			\
48.Lstr:							\
49	.long	longjmp_msg@GOTOFF;			\
50.Lfail:							\
51	.long	__GI___fortify_fail@PLT-(.Lfail0-.);	\
52	cfi_restore_state;
53#else
54# define CALL_FAIL \
55	mov.l	.Lfail, r1;				\
56	mov.l	.Lstr, r4;				\
57	sts.l	pr, @-r15;				\
58	cfi_remember_state;				\
59	cfi_adjust_cfa_offset (4);			\
60	cfi_rel_offset (pr, 0);				\
61	jsr	@r1;					\
62	 nop;						\
63	/* Unreachable.	 */				\
64	.align	2;					\
65.Lstr:							\
66	.long	longjmp_msg;				\
67.Lfail:							\
68	.long	__fortify_fail;				\
69	cfi_restore_state;
70#endif
71
72#define CHECK_SP(reg) \
73	cmp/hs	r15, reg;				\
74	bt	.Lok;					\
75	CALL_FAIL					\
76.Lok:
77
78#include <__longjmp.S>
79