1 /* Handle shared libraries for GDB, the GNU Debugger.
3 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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. */
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. */
26 struct link_map_offsets
28 /* Size of struct r_debug (or equivalent), or at least enough of it to
29 be able to obtain the r_map field. */
32 /* Offset to the r_map field in struct r_debug. */
35 /* Size of the r_map field in struct r_debug. */
38 /* Size of struct link_map (or equivalent), or at least enough of it
39 to be able to obtain the fields below. */
42 /* Offset to l_addr field in struct link_map. */
45 /* Size of l_addr field in struct link_map. */
48 /* Offset to l_next field in struct link_map. */
51 /* Size of l_next field in struct link_map. */
54 /* Offset to l_prev field in struct link_map. */
57 /* Size of l_prev field in struct link_map. */
60 /* Offset to l_name field in struct link_map. */
63 /* Size of l_name field in struct link_map. */
67 /* set_solib_svr4_fetch_link_map_offsets() is intended to be called by
68 a <arch>_gdbarch_init() function. It is used to establish an
69 architecture specific link_map_offsets fetcher for the architecture
72 extern void set_solib_svr4_fetch_link_map_offsets
73 (struct gdbarch *gdbarch, struct link_map_offsets *(*func) (void));
75 /* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function
76 which is used to fetch link map offsets. It will only be set
77 by solib-legacy.c, if at all. */
78 extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook)(void);