setjmp.h 1.6 KB

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  1. /* Define the machine-dependent type `jmp_buf'. Linux/IA-64 version.
  2. Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
  5. The GNU C Library is free software; you can redistribute it and/or
  6. modify it under the terms of the GNU Lesser General Public
  7. License as published by the Free Software Foundation; either
  8. version 2.1 of the License, or (at your option) any later version.
  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. You should have received a copy of the GNU Lesser General Public
  14. License along with the GNU C Library; if not, write to the Free
  15. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  16. 02111-1307 USA. */
  17. #ifndef _BITS_SETJMP_H
  18. #define _BITS_SETJMP_H 1
  19. #if !defined _SETJMP_H && !defined _PTHREAD_H
  20. # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  21. #endif
  22. /* User code must not depend on the internal representation of jmp_buf. */
  23. #define _JBLEN 70
  24. /* the __jmp_buf element type should be __float80 per ABI... */
  25. typedef long __jmp_buf[_JBLEN] __attribute__ ((aligned (16))); /* guarantees 128-bit alignment! */
  26. /* Test if longjmp to JMPBUF would unwind the frame containing a local
  27. variable at ADDRESS. */
  28. #define _JMPBUF_UNWINDS(_jmpbuf, _address) \
  29. ((void *)(_address) < (void *)(((long *)_jmpbuf)[0]))
  30. #endif /* bits/setjmp.h */