strace/kernel_types.h

71 lines
1.7 KiB
C

/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef STRACE_KERNEL_TYPES_H
#define STRACE_KERNEL_TYPES_H
# if defined HAVE___KERNEL_LONG_T && defined HAVE___KERNEL_ULONG_T
# include <asm/posix_types.h>
typedef __kernel_long_t kernel_long_t;
typedef __kernel_ulong_t kernel_ulong_t;
# elif (defined __x86_64__ && defined __ILP32__) || defined LINUX_MIPSN32
typedef long long kernel_long_t;
typedef unsigned long long kernel_ulong_t;
# else
typedef long kernel_long_t;
typedef unsigned long kernel_ulong_t;
# endif
typedef struct {
kernel_ulong_t d_ino;
kernel_ulong_t d_off;
unsigned short d_reclen;
char d_name[1];
} kernel_dirent;
#if SIZEOF_KERNEL_LONG_T > SIZEOF_LONG
# define PRI_kl "ll"
#else
# define PRI_kl "l"
#endif
#define PRI_kld PRI_kl"d"
#define PRI_klu PRI_kl"u"
#define PRI_klx PRI_kl"x"
/*
* The kernel used to define 64-bit types on 64-bit systems on a per-arch
* basis. Some architectures would use unsigned long and others would use
* unsigned long long. These types were exported as part of the
* kernel-userspace ABI and now must be maintained forever. This matches
* what the kernel exports for each architecture so we don't need to cast
* every printing of __u64 or __s64 to stdint types.
* The exception is Android, where for MIPS64 unsigned long long is used.
*/
#if SIZEOF_LONG == 4
# define PRI__64 "ll"
#elif defined ALPHA || defined IA64 || defined __powerpc64__ \
|| (defined MIPS && !defined __ANDROID__)
# define PRI__64 "l"
#else
# define PRI__64 "ll"
#endif
#define PRI__d64 PRI__64"d"
#define PRI__u64 PRI__64"u"
#define PRI__x64 PRI__64"x"
#endif /* !STRACE_KERNEL_TYPES_H */