ureg.h 935 B

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  1. /*
  2. * This file is part of the UCB release of Plan 9. It is subject to the license
  3. * terms in the LICENSE file found in the top-level directory of this
  4. * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
  5. * part of the UCB release of Plan 9, including this file, may be copied,
  6. * modified, propagated, or distributed except according to the terms contained
  7. * in the LICENSE file.
  8. */
  9. struct Ureg
  10. {
  11. ulong di; /* general registers */
  12. ulong si; /* ... */
  13. ulong bp; /* ... */
  14. ulong nsp;
  15. ulong bx; /* ... */
  16. ulong dx; /* ... */
  17. ulong cx; /* ... */
  18. ulong ax; /* ... */
  19. ulong gs; /* data segments */
  20. ulong fs; /* ... */
  21. ulong es; /* ... */
  22. ulong ds; /* ... */
  23. ulong trap; /* trap type */
  24. ulong ecode; /* error code (or zero) */
  25. ulong pc; /* pc */
  26. ulong cs; /* old context */
  27. ulong flags; /* old flags */
  28. union {
  29. ulong usp;
  30. ulong sp;
  31. };
  32. ulong ss; /* old stack segment */
  33. };