1 /* Copyright (C) 1997-2022 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'. m68k 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 typedef struct __jmp_buf_internal_tag 27 { 28 /* There are eight 4-byte data registers, but D0 is not saved. */ 29 long int __dregs[7]; 30 31 /* There are six 4-byte address registers, plus the FP and SP. */ 32 int *__aregs[6]; 33 int *__fp; 34 int *__sp; 35 36 #if defined __HAVE_68881__ || defined __HAVE_FPU__ 37 /* There are eight floating point registers which 38 are saved in IEEE 96-bit extended format. */ 39 char __fpregs[8 * (96 / 8)]; 40 #elif defined __mcffpu__ 41 char __fpregs[8 * (64 / 8)]; 42 #endif 43 44 } __jmp_buf[1]; 45 46 #endif /* bits/setjmp.h */ 47