1 /* Copyright (C) 1997-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
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.
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/>. */
19 /* Define the machine-dependent type `jmp_buf'. */
21 #ifndef _BITS_SETJMP_H
22 # define _BITS_SETJMP_H 1
24 #if !defined _SETJMP_H && !defined _PTHREAD_H
25 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
30 /* There are 21 4-byte registers that should be saved:
31 r1, r2, r13-r31. Actually, there seems no need to save
32 r14, r16, r17, r18 (return addresses for interrupt/exception/trap). */
33 int *__sp
; /* dedicated name for r1. */