sysdeps/unix/sysv/linux/riscv/rv64/jmp_buf-macros.h

   1 /* jump buffer constants for RISC-V
   2    Copyright (C) 2017-2019 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library.  If not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 /* Produced by this program:
  21
  22    #include <stdio.h>
  23    #include <unistd.h>
  24    #include <setjmp.h>
  25    #include <stddef.h>
  26
  27    int main (int argc, char **argv)
  28    {
  29        printf ("#define JMP_BUF_SIZE %d\n", sizeof (jmp_buf));
  30        printf ("#define JMP_BUF_ALIGN %d\n", __alignof__ (jmp_buf));
  31        printf ("#define SIGJMP_BUF_SIZE %d\n", sizeof (sigjmp_buf));
  32        printf ("#define SIGJMP_BUF_ALIGN %d\n", __alignof__ (sigjmp_buf));
  33        printf ("#define MASK_WAS_SAVED_OFFSET %d\n", offsetof (struct __jmp_buf_tag, __mask_was_saved));
  34        printf ("#define SAVED_MASK_OFFSET %d\n", offsetof (struct __jmp_buf_tag, __saved_mask));
  35    } */
  36
  37 #if defined __riscv_float_abi_soft
  38 # define JMP_BUF_SIZE 248
  39 # define JMP_BUF_ALIGN 8
  40 # define SIGJMP_BUF_SIZE 248
  41 # define SIGJMP_BUF_ALIGN 8
  42 # define MASK_WAS_SAVED_OFFSET 112
  43 # define SAVED_MASK_OFFSET 120
  44 #elif defined __riscv_float_abi_double
  45 # define JMP_BUF_SIZE 344
  46 # define JMP_BUF_ALIGN 8
  47 # define SIGJMP_BUF_SIZE 344
  48 # define SIGJMP_BUF_ALIGN 8
  49 # define MASK_WAS_SAVED_OFFSET 208
  50 # define SAVED_MASK_OFFSET 216
  51 #else
  52 # error "Unknown RISC-V floating-point ABI"
  53 #endif