sysdeps/s390/bits/setjmp.h

   1 /* Copyright (C) 2000-2023 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'.  IBM s390 version.  */
  19
  20 #ifndef __S390_SETJMP_H__
  21 #define __S390_SETJMP_H__
  22
  23 #if !defined _SETJMP_H && !defined _PTHREAD_H
  24 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  25 #endif
  26
  27 #include <bits/wordsize.h>
  28
  29 #ifndef _ASM
  30
  31 typedef struct __s390_jmp_buf
  32 {
  33   /* We save registers 6-15.  */
  34   long int __gregs[10];
  35
  36 # if __WORDSIZE == 64
  37   /* We save fpu registers f8 - f15.  */
  38   long __fpregs[8];
  39 # else
  40   /* We save fpu registers 4 and 6.  */
  41   long __fpregs[4];
  42 # endif
  43 } __jmp_buf[1];
  44
  45 #endif
  46
  47 #endif /* __S390_SETJMP_H__ */