1 /* Types for registers for sys/procfs.h.  x86 version.
2    Copyright (C) 2001-2021 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
27 typedef 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))
35 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
36 
37 #ifndef __x86_64__
38 /* Register set for the floating-point registers.  */
39 typedef 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.  */
44 typedef 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.  */
49 typedef struct user_fpregs_struct elf_fpregset_t;
50 #endif