1 /* Types for registers for sys/procfs.h. x86 version. 2 Copyright (C) 2001-2022 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 51