ucontext.h 2.4 KB

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  1. /*-
  2. * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
  3. * All rights reserved.
  4. *
  5. * Portions of this software were developed by SRI International and the
  6. * University of Cambridge Computer Laboratory under DARPA/AFRL contract
  7. * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
  8. *
  9. * Portions of this software were developed by the University of Cambridge
  10. * Computer Laboratory as part of the CTSRD Project, with support from the
  11. * UK Higher Education Innovation Fund (HEIF).
  12. *
  13. * Redistribution and use in source and binary forms, with or without
  14. * modification, are permitted provided that the following conditions
  15. * are met:
  16. * 1. Redistributions of source code must retain the above copyright
  17. * notice, this list of conditions and the following disclaimer.
  18. * 2. Redistributions in binary form must reproduce the above copyright
  19. * notice, this list of conditions and the following disclaimer in the
  20. * documentation and/or other materials provided with the distribution.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  23. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32. * SUCH DAMAGE.
  33. */
  34. #ifndef _MACHINE_UCONTEXT_H_
  35. #define _MACHINE_UCONTEXT_H_
  36. struct gpregs {
  37. __register_t gp_ra;
  38. __register_t gp_sp;
  39. __register_t gp_gp;
  40. __register_t gp_tp;
  41. __register_t gp_t[7];
  42. __register_t gp_s[12];
  43. __register_t gp_a[8];
  44. __register_t gp_sepc;
  45. __register_t gp_sstatus;
  46. };
  47. struct fpregs {
  48. __uint64_t fp_x[32][2];
  49. __uint64_t fp_fcsr;
  50. int fp_flags;
  51. int pad;
  52. };
  53. struct __mcontext {
  54. struct gpregs mc_gpregs;
  55. struct fpregs mc_fpregs;
  56. int mc_flags;
  57. #define _MC_FP_VALID 0x1 /* Set when mc_fpregs has valid data */
  58. int mc_pad;
  59. __uint64_t mc_spare[8]; /* Space for expansion */
  60. };
  61. typedef struct __mcontext mcontext_t;
  62. #endif /* !_MACHINE_UCONTEXT_H_ */