1/* Types for registers for sys/procfs.h.
 2   Copyright (C) 2022-2025 Free Software Foundation, Inc.
 3
 4   This file is part of the GNU C Library.
 5
 6   The GNU C Library is free software; you can redistribute it and/or
 7   modify it under the terms of the GNU Lesser General Public
 8   License as published by the Free Software Foundation; either
 9   version 2.1 of the License, or (at your option) any later version.
10
11   The GNU C Library is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   Lesser General Public License for more details.
15
16   You should have received a copy of the GNU Lesser General Public
17   License along with the GNU C Library.  If not, see
18   <https://www.gnu.org/licenses/>.  */
19
20#ifndef _SYS_PROCFS_H
21# error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
22#endif
23
24/* Type for a general-purpose register.  */
25typedef __uint64_t elf_greg_t;
26
27/* And the whole bunch of them.  We could have used `struct
28   pt_regs' directly in the typedef, but tradition says that
29   the register set is an array, which does have some peculiar
30   semantics, so leave it that way.  */
31#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof (elf_greg_t))
32typedef elf_greg_t elf_gregset_t[ELF_NGREG];
33
34#define ELF_NFPREG 34 /* 32 FPRs + 8-byte byte-vec for fcc + 4-byte FCR */
35typedef union
36{
37  double d;
38  float f;
39} elf_fpreg_t;
40typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
41
42typedef union
43{
44  double d[2];
45  float f[4];
46} __attribute__ ((__aligned__ (16))) elf_lsxregset_t[32];
47
48typedef union
49{
50  double d[4];
51  float f[8];
52} __attribute__ ((__aligned__ (32))) elf_lasxregset_t[32];