granicus.if.org Git - strace/blob - statx.c

   1 /*
   2  * Copyright (c) 2017 The strace developers.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "defs.h"
  29 #include "statx.h"
  30
  31 #include <sys/stat.h>
  32
  33 #include "xlat/statx_masks.h"
  34 #include "xlat/statx_attrs.h"
  35 #include "xlat/at_statx_sync_types.h"
  36
  37 SYS_FUNC(statx)
  38 {
  39         if (entering(tcp)) {
  40                 print_dirfd(tcp, tcp->u_arg[0]);
  41                 printpath(tcp, tcp->u_arg[1]);
  42                 tprints(", ");
  43
  44                 unsigned int flags = tcp->u_arg[2];
  45                 printflags(at_statx_sync_types, flags & AT_STATX_SYNC_TYPE,
  46                            NULL);
  47                 flags &= ~AT_STATX_SYNC_TYPE;
  48                 if (flags) {
  49                         tprints("|");
  50                         printflags(at_flags, flags, NULL);
  51                 }
  52
  53                 tprints(", ");
  54                 printflags(statx_masks, tcp->u_arg[3], "STATX_???");
  55                 tprints(", ");
  56         } else {
  57 #define PRINT_FIELD_U(field) \
  58         tprintf(", %s=%llu", #field, (unsigned long long) stx.field)
  59
  60 #define PRINT_FIELD_TIME(field)                                         \
  61         do {                                                            \
  62                 tprintf(", " #field "={tv_sec=%" PRId64                 \
  63                         ", tv_nsec=%" PRIu32 "}",                       \
  64                         stx.field.sec, stx.field.nsec);                 \
  65                 tprints_comment(sprinttime_nsec(stx.field.sec,          \
  66                         zero_extend_signed_to_ull(stx.field.nsec)));    \
  67         } while (0)
  68
  69                 struct_statx stx;
  70                 if (umove_or_printaddr(tcp, tcp->u_arg[4], &stx))
  71                         return 0;
  72
  73                 tprints("{stx_mask=");
  74                 printflags(statx_masks, stx.stx_mask, "STATX_???");
  75
  76                 if (!abbrev(tcp))
  77                         PRINT_FIELD_U(stx_blksize);
  78
  79                 tprints(", stx_attributes=");
  80                 printflags(statx_attrs, stx.stx_attributes, "STATX_ATTR_???");
  81
  82                 if (!abbrev(tcp)) {
  83                         PRINT_FIELD_U(stx_nlink);
  84                         printuid(", stx_uid=", stx.stx_uid);
  85                         printuid(", stx_gid=", stx.stx_gid);
  86                 }
  87
  88                 tprints(", stx_mode=");
  89                 print_symbolic_mode_t(stx.stx_mode);
  90
  91                 if (!abbrev(tcp))
  92                         PRINT_FIELD_U(stx_ino);
  93
  94                 PRINT_FIELD_U(stx_size);
  95
  96                 if (!abbrev(tcp)) {
  97                         PRINT_FIELD_U(stx_blocks);
  98
  99                         tprints(", stx_attributes_mask=");
 100                         printflags(statx_attrs, stx.stx_attributes_mask,
 101                                    "STATX_ATTR_???");
 102
 103                         PRINT_FIELD_TIME(stx_atime);
 104                         PRINT_FIELD_TIME(stx_btime);
 105                         PRINT_FIELD_TIME(stx_ctime);
 106                         PRINT_FIELD_TIME(stx_mtime);
 107                         PRINT_FIELD_U(stx_rdev_major);
 108                         PRINT_FIELD_U(stx_rdev_minor);
 109                         PRINT_FIELD_U(stx_dev_major);
 110                         PRINT_FIELD_U(stx_dev_minor);
 111                 } else {
 112                         tprints(", ...");
 113                 }
 114                 tprints("}");
 115         }
 116         return 0;
 117 }