setjmp.h 1.7 KB

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  1. /* Copyright (C) 1999, 2000, 2003, 2005 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, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. /* Define the machine-dependent type `jmp_buf'. SH version. */
  16. #ifndef _BITS_SETJMP_H
  17. #define _BITS_SETJMP_H 1
  18. #if !defined _SETJMP_H && !defined _PTHREAD_H
  19. # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  20. #endif
  21. #ifndef _ASM
  22. typedef struct
  23. {
  24. /* Callee-saved registers r8 through r15. */
  25. int __regs[8];
  26. /* Program counter. */
  27. void * __pc;
  28. /* The global pointer. */
  29. void * __gbr;
  30. /* Floating point status register. */
  31. int __fpscr;
  32. /* Callee-saved floating point registers fr12 through fr15. */
  33. int __fpregs[4];
  34. } __jmp_buf[1];
  35. #endif
  36. #if defined __USE_MISC || defined _ASM
  37. # define JB_SIZE (4 * 15)
  38. #endif
  39. /* Test if longjmp to JMPBUF would unwind the frame
  40. containing a local variable at ADDRESS. */
  41. #define _JMPBUF_UNWINDS(jmpbuf, address) \
  42. ((void *) (address) < (void *) (jmpbuf)[0].__regs[7])
  43. #endif /* bits/setjmp.h */