glibc (2.38)
1 /* Types for registers for sys/procfs.h. x86 version.
2 Copyright (C) 2001-2023 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
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