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