1/* bits/typesizes.h -- underlying types for *_t. Linux/x86-64 version.
2 Copyright (C) 2012-2024 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 _BITS_TYPES_H
20# error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
21#endif
22
23#ifndef _BITS_TYPESIZES_H
24#define _BITS_TYPESIZES_H 1
25
26/* See <bits/types.h> for the meaning of these macros. This file exists so
27 that <bits/types.h> need not vary across different GNU platforms. */
28
29/* X32 kernel interface is 64-bit. */
30#if defined __x86_64__ && defined __ILP32__
31# define __SYSCALL_SLONG_TYPE __SQUAD_TYPE
32# define __SYSCALL_ULONG_TYPE __UQUAD_TYPE
33#else
34# define __SYSCALL_SLONG_TYPE __SLONGWORD_TYPE
35# define __SYSCALL_ULONG_TYPE __ULONGWORD_TYPE
36#endif
37
38#define __DEV_T_TYPE __UQUAD_TYPE
39#define __UID_T_TYPE __U32_TYPE
40#define __GID_T_TYPE __U32_TYPE
41#define __INO_T_TYPE __SYSCALL_ULONG_TYPE
42#define __INO64_T_TYPE __UQUAD_TYPE
43#define __MODE_T_TYPE __U32_TYPE
44#ifdef __x86_64__
45# define __NLINK_T_TYPE __SYSCALL_ULONG_TYPE
46# define __FSWORD_T_TYPE __SYSCALL_SLONG_TYPE
47#else
48# define __NLINK_T_TYPE __UWORD_TYPE
49# define __FSWORD_T_TYPE __SWORD_TYPE
50#endif
51#define __OFF_T_TYPE __SYSCALL_SLONG_TYPE
52#define __OFF64_T_TYPE __SQUAD_TYPE
53#define __PID_T_TYPE __S32_TYPE
54#define __RLIM_T_TYPE __SYSCALL_ULONG_TYPE
55#define __RLIM64_T_TYPE __UQUAD_TYPE
56#define __BLKCNT_T_TYPE __SYSCALL_SLONG_TYPE
57#define __BLKCNT64_T_TYPE __SQUAD_TYPE
58#define __FSBLKCNT_T_TYPE __SYSCALL_ULONG_TYPE
59#define __FSBLKCNT64_T_TYPE __UQUAD_TYPE
60#define __FSFILCNT_T_TYPE __SYSCALL_ULONG_TYPE
61#define __FSFILCNT64_T_TYPE __UQUAD_TYPE
62#define __ID_T_TYPE __U32_TYPE
63#define __CLOCK_T_TYPE __SYSCALL_SLONG_TYPE
64#define __TIME_T_TYPE __SYSCALL_SLONG_TYPE
65#define __USECONDS_T_TYPE __U32_TYPE
66#define __SUSECONDS_T_TYPE __SYSCALL_SLONG_TYPE
67#define __SUSECONDS64_T_TYPE __SQUAD_TYPE
68#define __DADDR_T_TYPE __S32_TYPE
69#define __KEY_T_TYPE __S32_TYPE
70#define __CLOCKID_T_TYPE __S32_TYPE
71#define __TIMER_T_TYPE void *
72#define __BLKSIZE_T_TYPE __SYSCALL_SLONG_TYPE
73#define __FSID_T_TYPE struct { int __val[2]; }
74#define __SSIZE_T_TYPE __SWORD_TYPE
75#define __CPU_MASK_TYPE __SYSCALL_ULONG_TYPE
76
77#ifdef __x86_64__
78/* Tell the libc code that off_t and off64_t are actually the same type
79 for all ABI purposes, even if possibly expressed as different base types
80 for C type-checking purposes. */
81# define __OFF_T_MATCHES_OFF64_T 1
82
83/* Same for ino_t and ino64_t. */
84# define __INO_T_MATCHES_INO64_T 1
85
86/* And for __rlim_t and __rlim64_t. */
87# define __RLIM_T_MATCHES_RLIM64_T 1
88
89/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t. */
90# define __STATFS_MATCHES_STATFS64 1
91
92/* And for getitimer, setitimer and rusage */
93# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 1
94#else
95# define __RLIM_T_MATCHES_RLIM64_T 0
96
97# define __STATFS_MATCHES_STATFS64 0
98
99# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 0
100#endif
101
102/* Number of descriptors that can fit in an `fd_set'. */
103#define __FD_SETSIZE 1024
104
105
106#endif /* bits/typesizes.h */
107