/* Copyright (C) 1997-2017 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* Define the machine-dependent type `jmp_buf'. */ #ifndef _BITS_SETJMP_H # define _BITS_SETJMP_H 1 #if !defined _SETJMP_H && !defined _PTHREAD_H # error "Never include directly; use instead." #endif typedef struct { /* There are 21 4-byte registers that should be saved: r1, r2, r13-r31. Actually, there seems no need to save r14, r16, r17, r18 (return addresses for interrupt/exception/trap). */ int *__sp; /* dedicated name for r1. */ long int __gregs[20]; } __jmp_buf[1]; #endif