db_exception.c 1.7 KB

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  1. /* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
  2. /* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */
  3. /* Copyright (C) 2014 Stony Brook University
  4. This file is part of Graphene Library OS.
  5. Graphene Library OS is free software: you can redistribute it and/or
  6. modify it under the terms of the GNU Lesser General Public License
  7. as published by the Free Software Foundation, either version 3 of the
  8. License, or (at your option) any later version.
  9. Graphene Library OS 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
  12. GNU Lesser General Public License for more details.
  13. You should have received a copy of the GNU Lesser General Public License
  14. along with this program. If not, see <http://www.gnu.org/licenses/>. */
  15. /*
  16. * db_signal.c
  17. *
  18. * This file contains APIs to set up handlers of exceptions issued by the
  19. * host, and the methods to pass the exceptions to the upcalls.
  20. */
  21. #include "pal_defs.h"
  22. #include "pal.h"
  23. #include "pal_internal.h"
  24. #include "pal_error.h"
  25. #include "api.h"
  26. typedef void (*PAL_UPCALL) (PAL_PTR, PAL_NUM, PAL_CONTEXT *);
  27. int (*_DkExceptionHandlers[PAL_EVENT_NUM_BOUND])
  28. (int, PAL_UPCALL, int) = {
  29. /* reserved */ NULL,
  30. /* DivZero */ NULL,
  31. /* MemFault */ NULL,
  32. /* Illegal */ NULL,
  33. /* Quit */ NULL,
  34. /* Suspend */ NULL,
  35. /* Resume */ NULL,
  36. /* Failure */ NULL,
  37. };
  38. void _DkRaiseFailure (int error)
  39. {
  40. /* need to be implemented */
  41. }
  42. void _DkExceptionReturn (const void * event)
  43. {
  44. /* need to be implemented */
  45. }