sigcontextinfo.h 1.3 KB

123456789101112131415161718192021222324252627282930
  1. /* Copyright (C) 1999-2017 Free Software Foundation, Inc.
  2. Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
  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. #ifndef STACK_BIAS
  15. #define STACK_BIAS 2047
  16. #endif
  17. #define SIGCONTEXT struct sigcontext *
  18. #define SIGCONTEXT_EXTRA_ARGS
  19. #define GET_PC(__ctx) ((void *) ((__ctx)->sigc_regs.tpc))
  20. #define ADVANCE_STACK_FRAME(__next) \
  21. ((void *) (((unsigned long *) (((unsigned long int) (__next)) \
  22. + STACK_BIAS))+14))
  23. #define GET_STACK(__ctx) ((void *) ((__ctx)->sigc_regs.u_regs[14]))
  24. #define GET_FRAME(__ctx) ADVANCE_STACK_FRAME (GET_STACK (__ctx))
  25. #define CALL_SIGHANDLER(handler, signo, ctx) \
  26. (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))