1  /* Audit module loaded by tst-audit23.
       2     Copyright (C) 2022-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <link.h>
      20  #include <inttypes.h>
      21  #include <stdlib.h>
      22  #include <stdio.h>
      23  #include <string.h>
      24  #include <sys/auxv.h>
      25  
      26  unsigned int
      27  la_version (unsigned int version)
      28  {
      29    return LAV_CURRENT;
      30  }
      31  
      32  struct map_desc_t
      33  {
      34    char *lname;
      35    uintptr_t laddr;
      36    Lmid_t lmid;
      37  };
      38  
      39  void
      40  la_activity (uintptr_t *cookie, unsigned int flag)
      41  {
      42    fprintf (stderr, "%s: %d %"PRIxPTR"\n", __func__, flag, (uintptr_t) cookie);
      43  }
      44  
      45  unsigned int
      46  la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t *cookie)
      47  {
      48    const char *l_name = map->l_name[0] == '\0' ? "mainapp" : map->l_name;
      49    fprintf (stderr, "%s: %"PRIxPTR" %s %"PRIxPTR" %ld\n", __func__,
      50  	   (uintptr_t) cookie, l_name, map->l_addr, lmid);
      51  
      52    struct map_desc_t *map_desc = malloc (sizeof (struct map_desc_t));
      53    if (map_desc == NULL)
      54      abort ();
      55  
      56    map_desc->lname = strdup (l_name);
      57    map_desc->laddr = map->l_addr;
      58    map_desc->lmid = lmid;
      59  
      60    *cookie = (uintptr_t) map_desc;
      61  
      62    return 0;
      63  }
      64  
      65  unsigned int
      66  la_objclose (uintptr_t *cookie)
      67  {
      68    struct map_desc_t *map_desc = (struct map_desc_t *) *cookie;
      69    fprintf (stderr, "%s: %"PRIxPTR" %s %"PRIxPTR" %ld\n", __func__,
      70  	   (uintptr_t) cookie, map_desc->lname, map_desc->laddr,
      71  	   map_desc->lmid);
      72  
      73    return 0;
      74  }