sysdeps/unix/sysv/linux/x86/bits/procfs.h

   1 /* Types for registers for sys/procfs.h.  x86 version.
   2    Copyright (C) 2001-2019 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    <http://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