1/* Types for registers for sys/procfs.h.  x86 version.
 2   Copyright (C) 2001-2025 Free Software Foundation, Inc.
 3   This file is part of the GNU C Library.
 4
 5   The GNU C Library is free software; you can redistribute it and/or
 6   modify it under the terms of the GNU Lesser General Public
 7   License as published by the Free Software Foundation; either
 8   version 2.1 of the License, or (at your option) any later version.
 9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#ifndef _SYS_PROCFS_H
20# error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
21#endif
22
23/* Type for a general-purpose register.  */
24#ifdef __x86_64__
25__extension__ typedef unsigned long long elf_greg_t;
26#else
27typedef unsigned long elf_greg_t;
28#endif
29
30/* And the whole bunch of them.  We could have used `struct
31   user_regs_struct' directly in the typedef, but tradition says that
32   the register set is an array, which does have some peculiar
33   semantics, so leave it that way.  */
34#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof (elf_greg_t))
35typedef elf_greg_t elf_gregset_t[ELF_NGREG];
36
37#ifndef __x86_64__
38/* Register set for the floating-point registers.  */
39typedef struct user_fpregs_struct elf_fpregset_t;
40
41/* Register set for the extended floating-point registers.  Includes
42   the Pentium III SSE registers in addition to the classic
43   floating-point stuff.  */
44typedef struct user_fpxregs_struct elf_fpxregset_t;
45#else
46/* Register set for the extended floating-point registers.  Includes
47   the Pentium III SSE registers in addition to the classic
48   floating-point stuff.  */
49typedef struct user_fpregs_struct elf_fpregset_t;
50#endif