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procfs.h 2.0 KB

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  1. /* Types for registers for sys/procfs.h. x86 version.
  2. Copyright (C) 2001-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #ifndef _SYS_PROCFS_H
  16. # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
  17. #endif
  18. /* Type for a general-purpose register. */
  19. #ifdef __x86_64__
  20. __extension__ typedef unsigned long long elf_greg_t;
  21. #else
  22. typedef unsigned long elf_greg_t;
  23. #endif
  24. /* And the whole bunch of them. We could have used `struct
  25. user_regs_struct' directly in the typedef, but tradition says that
  26. the register set is an array, which does have some peculiar
  27. semantics, so leave it that way. */
  28. #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof (elf_greg_t))
  29. typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  30. #ifndef __x86_64__
  31. /* Register set for the floating-point registers. */
  32. typedef struct user_fpregs_struct elf_fpregset_t;
  33. /* Register set for the extended floating-point registers. Includes
  34. the Pentium III SSE registers in addition to the classic
  35. floating-point stuff. */
  36. typedef struct user_fpxregs_struct elf_fpxregset_t;
  37. #else
  38. /* Register set for the extended floating-point registers. Includes
  39. the Pentium III SSE registers in addition to the classic
  40. floating-point stuff. */
  41. typedef struct user_fpregs_struct elf_fpregset_t;
  42. #endif