jmpbuf-unwind.h 1.3 KB

12345678910111213141516171819202122232425262728293031323334
  1. /* Copyright (C) 2005-2016 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 License as
  5. published by the Free Software Foundation; either version 2.1 of the
  6. 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. #include <setjmp.h>
  15. #include <jmpbuf-offsets.h>
  16. #include <stdint.h>
  17. #include <unwind.h>
  18. /* Test if longjmp to JMPBUF would unwind the frame
  19. containing a local variable at ADDRESS. */
  20. #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
  21. ((void *) (address) < (void *) demangle (jmpbuf[JB_SP]))
  22. #define _JMPBUF_CFA_UNWINDS_ADJ(jmpbuf, context, adj) \
  23. _JMPBUF_UNWINDS_ADJ (jmpbuf, (void *) _Unwind_GetCFA (context), adj)
  24. #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
  25. ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))