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1/* Private macros for accessing __jmp_buf contents. Nios II version.
2 Copyright (C) 2006-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <http://www.gnu.org/licenses/>. */
18
19/* Save offsets within __jmp_buf. */
20#define JB_R16 0
21#define JB_R17 1
22#define JB_R18 2
23#define JB_R19 3
24#define JB_R20 4
25#define JB_R21 5
26#define JB_R22 6
27#define JB_FP 7
28#define JB_RA 8
29#define JB_SP 9
30
31#ifndef __ASSEMBLER__
32#include <setjmp.h>
33#include <stdint.h>
34#include <sysdep.h>
35
36static inline uintptr_t __attribute__ ((unused))
37_jmpbuf_sp (__jmp_buf jmpbuf)
38{
39 uintptr_t sp = jmpbuf[JB_SP];
40#ifdef PTR_DEMANGLE
41 PTR_DEMANGLE (sp);
42#endif
43 return sp;
44}
45#endif
46
47/* Helper for generic ____longjmp_chk(). */
48#define JB_FRAME_ADDRESS(buf) ((void *) _jmpbuf_sp (buf))
49

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