glibc/sysdeps/unix/sysv/linux/x86/sys/reg.h

/* Copyright (C) 2001-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _SYS_REG_H
#define _SYS_REG_H	1


#ifdef __x86_64__
/* Index into an array of 8 byte longs returned from ptrace for
   location of the users' stored general purpose registers.  */

# define R15	0
# define R14	1
# define R13	2
# define R12	3
# define RBP	4
# define RBX	5
# define R11	6
# define R10	7
# define R9	8
# define R8	9
# define RAX	10
# define RCX	11
# define RDX	12
# define RSI	13
# define RDI	14
# define ORIG_RAX 15
# define RIP	16
# define CS	17
# define EFLAGS	18
# define RSP	19
# define SS	20
# define FS_BASE 21
# define GS_BASE 22
# define DS	23
# define ES	24
# define FS	25
# define GS	26
#else

/* Index into an array of 4 byte integers returned from ptrace for
 * location of the users' stored general purpose registers. */

# define EBX 0
# define ECX 1
# define EDX 2
# define ESI 3
# define EDI 4
# define EBP 5
# define EAX 6
# define DS 7
# define ES 8
# define FS 9
# define GS 10
# define ORIG_EAX 11
# define EIP 12
# define CS  13
# define EFL 14
# define UESP 15
# define SS   16
#endif

#endif