1/* Copyright (C) 2001-2024 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/* Define the machine-dependent type `jmp_buf'. x86-64 version. */
19#ifndef _BITS_SETJMP_H
20#define _BITS_SETJMP_H 1
21
22#if !defined _SETJMP_H && !defined _PTHREAD_H
23# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
24#endif
25
26#include <bits/wordsize.h>
27
28#ifndef _ASM
29
30# if __WORDSIZE == 64
31typedef long int __jmp_buf[8];
32# elif defined __x86_64__
33__extension__ typedef long long int __jmp_buf[8];
34# else
35typedef int __jmp_buf[6];
36# endif
37
38#endif
39
40#endif /* bits/setjmp.h */
41

source code of glibc/sysdeps/x86/bits/setjmp.h