1  /*
       2   * Copyright (c) 2018 Dmitry V. Levin <ldv@strace.io>
       3   * Copyright (c) 2018-2022 The strace developers.
       4   * All rights reserved.
       5   *
       6   * SPDX-License-Identifier: LGPL-2.1-or-later
       7   */
       8  
       9  #ifndef STRACE_ARCH_DEFS_H
      10  # define STRACE_ARCH_DEFS_H
      11  
      12  # include "arch_defs_.h"
      13  
      14  /* Fallbacks for architecture-specific definitions.  */
      15  
      16  # ifndef HAVE_ARCH_GETRVAL2
      17  #  define HAVE_ARCH_GETRVAL2 0
      18  # endif
      19  
      20  # ifndef HAVE_ARCH_OLD_MMAP
      21  #  define HAVE_ARCH_OLD_MMAP 0
      22  # endif
      23  
      24  # ifndef HAVE_ARCH_OLD_MMAP_PGOFF
      25  #  define HAVE_ARCH_OLD_MMAP_PGOFF 0
      26  # endif
      27  
      28  # ifndef HAVE_ARCH_OLD_SELECT
      29  #  define HAVE_ARCH_OLD_SELECT 0
      30  # endif
      31  
      32  # ifndef HAVE_ARCH_UID16_SYSCALLS
      33  #  define HAVE_ARCH_UID16_SYSCALLS 0
      34  # endif
      35  
      36  # ifndef DEFAULT_PERSONALITY
      37  #  define DEFAULT_PERSONALITY 0
      38  # endif
      39  
      40  # ifndef SUPPORTED_PERSONALITIES
      41  #  define SUPPORTED_PERSONALITIES 1
      42  # endif
      43  
      44  # ifndef PERSONALITY_DESIGNATORS
      45  #  if SUPPORTED_PERSONALITIES == 1
      46  #   define PERSONALITY_DESIGNATORS { STRINGIFY_VAL(__WORDSIZE) }
      47  #  elif SUPPORTED_PERSONALITIES == 2
      48  #   define PERSONALITY_DESIGNATORS { "64", "32" }
      49  #  endif
      50  # endif
      51  
      52  # ifndef PERSONALITY_NAMES
      53  #  if SUPPORTED_PERSONALITIES == 1
      54  #   define PERSONALITY_NAMES { STRINGIFY_VAL(__WORDSIZE) " bit" }
      55  #  elif SUPPORTED_PERSONALITIES == 2
      56  #   define PERSONALITY_NAMES { "64 bit", "32 bit" }
      57  #  endif
      58  # endif
      59  
      60  # ifndef HAVE_ARCH_DEDICATED_ERR_REG
      61  #  define HAVE_ARCH_DEDICATED_ERR_REG 0
      62  # endif
      63  
      64  # ifndef CAN_ARCH_BE_COMPAT_ON_64BIT_KERNEL
      65  #  define CAN_ARCH_BE_COMPAT_ON_64BIT_KERNEL 0
      66  # endif
      67  
      68  # ifndef ARCH_NEEDS_SET_ERROR_FOR_SCNO_TAMPERING
      69  #  define ARCH_NEEDS_SET_ERROR_FOR_SCNO_TAMPERING 0
      70  # endif
      71  
      72  # ifndef ARCH_NEEDS_NON_SHUFFLED_SCNO_CHECK
      73  #  define ARCH_NEEDS_NON_SHUFFLED_SCNO_CHECK 0
      74  # endif
      75  
      76  # ifndef MIN_WORDSIZE
      77  #  if SUPPORTED_PERSONALITIES > 1
      78  #   define MIN_WORDSIZE 4
      79  #  else
      80  #   define MIN_WORDSIZE SIZEOF_LONG
      81  #  endif
      82  # endif
      83  
      84  # ifndef HAVE_ARCH_TIME32_SYSCALLS
      85  #  define HAVE_ARCH_TIME32_SYSCALLS (MIN_WORDSIZE == 4)
      86  # endif
      87  
      88  # ifndef HAVE_ARCH_OLD_TIME64_SYSCALLS
      89  #  define HAVE_ARCH_OLD_TIME64_SYSCALLS (SIZEOF_LONG == 8)
      90  # endif
      91  
      92  # ifndef MIN_KLONGSIZE
      93  #  if SUPPORTED_PERSONALITIES > 1
      94  #   define MIN_KLONGSIZE 4
      95  #  else
      96  #   define MIN_KLONGSIZE SIZEOF_KERNEL_LONG_T
      97  #  endif
      98  # endif
      99  
     100  # ifndef HAVE_ARCH_TIMESPEC32
     101  #  define HAVE_ARCH_TIMESPEC32 (MIN_KLONGSIZE == 4)
     102  # endif
     103  
     104  #endif /* !STRACE_ARCH_DEFS_H */