setjmp.h 1.6 KB

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  1. /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library. If not, see
  13. <http://www.gnu.org/licenses/>. */
  14. /* Define the machine-dependent type `jmp_buf'. m68k version. */
  15. #ifndef _BITS_SETJMP_H
  16. #define _BITS_SETJMP_H 1
  17. #if !defined _SETJMP_H && !defined _PTHREAD_H
  18. # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  19. #endif
  20. typedef struct __jmp_buf_internal_tag
  21. {
  22. /* There are eight 4-byte data registers, but D0 is not saved. */
  23. long int __dregs[7];
  24. /* There are six 4-byte address registers, plus the FP and SP. */
  25. int *__aregs[6];
  26. int *__fp;
  27. int *__sp;
  28. #if defined __HAVE_68881__ || defined __HAVE_FPU__
  29. /* There are eight floating point registers which
  30. are saved in IEEE 96-bit extended format. */
  31. char __fpregs[8 * (96 / 8)];
  32. #elif defined __mcffpu__
  33. char __fpregs[8 * (64 / 8)];
  34. #endif
  35. } __jmp_buf[1];
  36. #endif /* bits/setjmp.h */