sigcontextinfo.h 1.4 KB

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  1. /* Copyright (C) 1999 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #ifndef STACK_BIAS
  17. #define STACK_BIAS 2047
  18. #endif
  19. #define SIGCONTEXT struct sigcontext *
  20. #define SIGCONTEXT_EXTRA_ARGS
  21. #define GET_PC(__ctx) ((void *) ((__ctx)->sigc_regs.tpc))
  22. #define ADVANCE_STACK_FRAME(__next) \
  23. ((void *) (((unsigned long *) (((unsigned long int) (__next)) \
  24. + STACK_BIAS))+14))
  25. #define GET_STACK(__ctx) ((void *) ((__ctx)->sigc_regs.u_regs[14]))
  26. #define GET_FRAME(__ctx) ADVANCE_STACK_FRAME (GET_STACK (__ctx))
  27. #define CALL_SIGHANDLER(handler, signo, ctx) \
  28. (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))