ucontext.h 1.9 KB

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  1. /* Copyright (C) 1997, 1998, 2000, 2001 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, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. /* Don't rely on this, the interface is currently messed up and may need to
  16. be broken to be fixed. */
  17. #ifndef _SYS_UCONTEXT_H
  18. #define _SYS_UCONTEXT_H 1
  19. #include <features.h>
  20. #include <signal.h>
  21. /* We need the signal context definitions even if they are not used
  22. included in <signal.h>. */
  23. #include <bits/sigcontext.h>
  24. /* Type for general register. */
  25. typedef unsigned long int greg_t;
  26. /* Number of general registers. */
  27. #define NGREG 80
  28. #define NFPREG 32
  29. /* Container for all general registers. */
  30. typedef struct gregset
  31. {
  32. greg_t g_regs[32];
  33. greg_t sr_regs[8];
  34. greg_t cr_regs[24];
  35. greg_t g_pad[16];
  36. } gregset_t;
  37. /* Container for all FPU registers. */
  38. typedef struct fpregset
  39. {
  40. double fp_dregs[32];
  41. } fpregset_t;
  42. /* Context to describe whole processor state. */
  43. typedef struct sigcontext mcontext_t;
  44. /* Userlevel context. */
  45. typedef struct ucontext
  46. {
  47. unsigned long int uc_flags;
  48. struct ucontext *uc_link;
  49. stack_t uc_stack;
  50. mcontext_t uc_mcontext;
  51. __sigset_t uc_sigmask;
  52. } ucontext_t;
  53. #endif /* sys/ucontext.h */