The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/sys/reg.h


$ cat -n /usr/include/x86_64-linux-gnu/sys/reg.h

     1	/* Copyright (C) 2001-2024 Free Software Foundation, Inc.
     2	   This file is part of the GNU C Library.
     3	
     4	   The GNU C Library is free software; you can redistribute it and/or
     5	   modify it under the terms of the GNU Lesser General Public
     6	   License as published by the Free Software Foundation; either
     7	   version 2.1 of the License, or (at your option) any later version.
     8	
     9	   The GNU C Library is distributed in the hope that it will be useful,
    10	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    11	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12	   Lesser General Public License for more details.
    13	
    14	   You should have received a copy of the GNU Lesser General Public
    15	   License along with the GNU C Library; if not, see
    16	   <https://www.gnu.org/licenses/>.  */
    17	
    18	#ifndef _SYS_REG_H
    19	#define _SYS_REG_H	1
    20	
    21	
    22	#ifdef __x86_64__
    23	/* Index into an array of 8 byte longs returned from ptrace for
    24	   location of the users' stored general purpose registers.  */
    25	
    26	# define R15	0
    27	# define R14	1
    28	# define R13	2
    29	# define R12	3
    30	# define RBP	4
    31	# define RBX	5
    32	# define R11	6
    33	# define R10	7
    34	# define R9	8
    35	# define R8	9
    36	# define RAX	10
    37	# define RCX	11
    38	# define RDX	12
    39	# define RSI	13
    40	# define RDI	14
    41	# define ORIG_RAX 15
    42	# define RIP	16
    43	# define CS	17
    44	# define EFLAGS	18
    45	# define RSP	19
    46	# define SS	20
    47	# define FS_BASE 21
    48	# define GS_BASE 22
    49	# define DS	23
    50	# define ES	24
    51	# define FS	25
    52	# define GS	26
    53	#else
    54	
    55	/* Index into an array of 4 byte integers returned from ptrace for
    56	 * location of the users' stored general purpose registers. */
    57	
    58	# define EBX 0
    59	# define ECX 1
    60	# define EDX 2
    61	# define ESI 3
    62	# define EDI 4
    63	# define EBP 5
    64	# define EAX 6
    65	# define DS 7
    66	# define ES 8
    67	# define FS 9
    68	# define GS 10
    69	# define ORIG_EAX 11
    70	# define EIP 12
    71	# define CS  13
    72	# define EFL 14
    73	# define UESP 15
    74	# define SS   16
    75	#endif
    76	
    77	#endif