gdb/solib-svr4.h

   1 /* Handle shared libraries for GDB, the GNU Debugger.
   2    Copyright 2000
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 /* Critical offsets and sizes which describe struct r_debug and
  23    struct link_map on SVR4-like targets.  All offsets and sizes are
  24    in bytes unless otherwise specified.  */
  25
  26 struct link_map_offsets
  27   {
  28     /* Size of struct r_debug (or equivalent), or at least enough of it to
  29        be able to obtain the r_map field.  */
  30     int r_debug_size;
  31
  32     /* Offset to the r_map field in struct r_debug.  */
  33     int r_map_offset;
  34
  35     /* Size of the r_map field in struct r_debug.  */
  36     int r_map_size;
  37
  38     /* Size of struct link_map (or equivalent), or at least enough of it
  39        to be able to obtain the fields below.  */
  40     int link_map_size;
  41
  42     /* Offset to l_addr field in struct link_map.  */
  43     int l_addr_offset;
  44
  45     /* Size of l_addr field in struct link_map.  */
  46     int l_addr_size;
  47
  48     /* Offset to l_next field in struct link_map.  */
  49     int l_next_offset;
  50
  51     /* Size of l_next field in struct link_map.  */
  52     int l_next_size;
  53
  54     /* Offset to l_prev field in struct link_map.  */
  55     int l_prev_offset;
  56
  57     /* Size of l_prev field in struct link_map.  */
  58     int l_prev_size;
  59
  60     /* Offset to l_name field in struct link_map.  */
  61     int l_name_offset;
  62
  63     /* Size of l_name field in struct link_map.  */
  64     int l_name_size;
  65   };
  66
  67 #ifndef SVR4_FETCH_LINK_MAP_OFFSETS
  68 extern struct link_map_offsets *default_svr4_fetch_link_map_offsets (void);
  69 #define SVR4_FETCH_LINK_MAP_OFFSETS() default_svr4_fetch_link_map_offsets ()
  70 #endif