sysdeps/microblaze/bits/setjmp.h

   1 /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
   2
   3    This file is part of the GNU C Library.
   4
   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.
   9
  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.
  14
  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/>.  */
  18
  19 /* Define the machine-dependent type `jmp_buf'.  */
  20
  21 #ifndef _BITS_SETJMP_H
  22 # define _BITS_SETJMP_H 1
  23
  24 #if !defined _SETJMP_H && !defined _PTHREAD_H
  25 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  26 #endif
  27
  28 typedef struct __jmp_buf_internal_tag
  29   {
  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.  */
  34     long int __gregs[20];
  35   } __jmp_buf[1];
  36
  37 #endif