sysdeps/m68k/bits/setjmp.h

   1 /* Copyright (C) 1997-2015 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    <http://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 */