1  /*
       2   * Copyright (c) 2015 Dmitry V. Levin <ldv@strace.io>
       3   * Copyright (c) 2015-2021 The strace developers.
       4   * All rights reserved.
       5   *
       6   * SPDX-License-Identifier: LGPL-2.1-or-later
       7   */
       8  
       9  #ifndef STRACE_KERNEL_TYPES_H
      10  # define STRACE_KERNEL_TYPES_H
      11  
      12  # if defined HAVE___KERNEL_LONG_T && defined HAVE___KERNEL_ULONG_T
      13  
      14  #  include <asm/posix_types.h>
      15  
      16  typedef __kernel_long_t kernel_long_t;
      17  typedef __kernel_ulong_t kernel_ulong_t;
      18  
      19  # elif (defined __x86_64__ && defined __ILP32__) || defined LINUX_MIPSN32
      20  
      21  typedef long long kernel_long_t;
      22  typedef unsigned long long kernel_ulong_t;
      23  
      24  # else
      25  
      26  typedef long kernel_long_t;
      27  typedef unsigned long kernel_ulong_t;
      28  
      29  # endif
      30  
      31  # ifndef HAVE___KERNEL_LONG_T
      32  typedef kernel_long_t __kernel_long_t;
      33  # endif
      34  # ifndef HAVE___KERNEL_ULONG_T
      35  typedef kernel_ulong_t __kernel_ulong_t;
      36  # endif
      37  
      38  # if SIZEOF_KERNEL_LONG_T > SIZEOF_LONG
      39  #  define PRI_kl "ll"
      40  # else
      41  #  define PRI_kl "l"
      42  # endif
      43  
      44  # define PRI_kld PRI_kl"d"
      45  # define PRI_klu PRI_kl"u"
      46  # define PRI_klx PRI_kl"x"
      47  
      48  /*
      49   * The kernel used to define 64-bit types on 64-bit systems on a per-arch
      50   * basis.  Some architectures would use unsigned long and others would use
      51   * unsigned long long.  These types were exported as part of the
      52   * kernel-userspace ABI and now must be maintained forever.  This matches
      53   * what the kernel exports for each architecture so we don't need to cast
      54   * every printing of __u64 or __s64 to stdint types.
      55   * The exception is Android, where for MIPS64 unsigned long long is used.
      56   */
      57  # if SIZEOF_LONG == 4
      58  #  define PRI__64 "ll"
      59  # elif defined ALPHA || defined IA64 || defined __powerpc64__ \
      60        || (defined MIPS && !defined __ANDROID__)
      61  #  define PRI__64 "l"
      62  # else
      63  #  define PRI__64 "ll"
      64  # endif
      65  
      66  # define PRI__d64 PRI__64"d"
      67  # define PRI__u64 PRI__64"u"
      68  # define PRI__x64 PRI__64"x"
      69  
      70  #endif /* !STRACE_KERNEL_TYPES_H */