1 /*
2  * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3  * Copyright (c) 2015-2017 The strace developers.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef STRACE_KERNEL_TYPES_H
30 #define STRACE_KERNEL_TYPES_H
31 
32 # if defined HAVE___KERNEL_LONG_T && defined HAVE___KERNEL_ULONG_T
33 
34 # include <asm/posix_types.h>
35 
36 typedef __kernel_long_t kernel_long_t;
37 typedef __kernel_ulong_t kernel_ulong_t;
38 
39 # elif (defined __x86_64__ && defined __ILP32__) || defined LINUX_MIPSN32
40 
41 typedef long long kernel_long_t;
42 typedef unsigned long long kernel_ulong_t;
43 
44 # else
45 
46 typedef long kernel_long_t;
47 typedef unsigned long kernel_ulong_t;
48 
49 # endif
50 
51 typedef struct {
52 	kernel_ulong_t	d_ino;
53 	kernel_ulong_t	d_off;
54 	unsigned short	d_reclen;
55 	char		d_name[1];
56 } kernel_dirent;
57 
58 #if SIZEOF_KERNEL_LONG_T > SIZEOF_LONG
59 # define PRI_kl "ll"
60 #else
61 # define PRI_kl "l"
62 #endif
63 
64 #define PRI_kld PRI_kl"d"
65 #define PRI_klu PRI_kl"u"
66 #define PRI_klx PRI_kl"x"
67 
68 /*
69  * The kernel used to define 64-bit types on 64-bit systems on a per-arch
70  * basis.  Some architectures would use unsigned long and others would use
71  * unsigned long long.  These types were exported as part of the
72  * kernel-userspace ABI and now must be maintained forever.  This matches
73  * what the kernel exports for each architecture so we don't need to cast
74  * every printing of __u64 or __s64 to stdint types.
75  * The exception is Android, where for MIPS64 unsigned long long is used.
76  */
77 #if SIZEOF_LONG == 4
78 # define PRI__64 "ll"
79 #elif defined ALPHA || defined IA64 || defined __powerpc64__ \
80       || (defined MIPS && !defined __ANDROID__)
81 # define PRI__64 "l"
82 #else
83 # define PRI__64 "ll"
84 #endif
85 
86 #define PRI__d64 PRI__64"d"
87 #define PRI__u64 PRI__64"u"
88 #define PRI__x64 PRI__64"x"
89 
90 #endif /* !STRACE_KERNEL_TYPES_H */
91