sigcontextinfo.h 1.3 KB

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  1. /* Copyright (C) 2003, 2007 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, see
  13. <http://www.gnu.org/licenses/>. */
  14. /* Also see register-dump.h, where we spill live registers to the
  15. stack so that we can trace the stack backward. */
  16. #define SIGCONTEXT unsigned long _info, ucontext_t *
  17. #define SIGCONTEXT_EXTRA_ARGS _info,
  18. /* ANDing with 0x3fffffff clears the window-size bits.
  19. Assumes TASK_SIZE = 0x40000000. */
  20. #define GET_PC(ctx) ((void *) (ctx->uc_mcontext.sc_pc & 0x3fffffff))
  21. #define GET_FRAME(ctx) ((void *) ctx->uc_mcontext.sc_a[1])
  22. #define GET_STACK(ctx) ((void *) ctx->uc_mcontext.sc_a[1])
  23. #define CALL_SIGHANDLER(handler, signo, ctx) \
  24. (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))