libc/sysdeps/linux/riscv64/bits/setjmp.h

   1 /* Define the machine-dependent type `jmp_buf'.  RISC-V version.
   2    Copyright (C) 2011-2018 Free Software Foundation, Inc.
   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 #ifndef _RISCV_BITS_SETJMP_H
  19 #define _RISCV_BITS_SETJMP_H
  20
  21 typedef struct __jmp_buf_internal_tag
  22   {
  23     /* Program counter.  */
  24     long int __pc;
  25     /* Callee-saved registers.  */
  26     long int __regs[12];
  27     /* Stack pointer.  */
  28     long int __sp;
  29
  30     /* Callee-saved floating point registers.  */
  31 #if defined __riscv_float_abi_double
  32    double __fpregs[12];
  33 #elif !defined __riscv_float_abi_soft
  34 # error unsupported FLEN
  35 #endif
  36   } __jmp_buf[1];
  37
  38 #endif /* _RISCV_BITS_SETJMP_H */