1 /* Handle shared libraries for GDB, the GNU Debugger.
3 Copyright (C) 2000, 2004, 2006, 2007, 2008, 2009
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 extern struct target_so_ops svr4_so_ops;
29 /* Critical offsets and sizes which describe struct r_debug and
30 struct link_map on SVR4-like targets. All offsets and sizes are
31 in bytes unless otherwise specified. */
33 struct link_map_offsets
35 /* Offset and size of r_debug.r_version. */
36 int r_version_offset, r_version_size;
38 /* Offset of r_debug.r_map. */
41 /* Offset of r_debug.r_brk. */
44 /* Offset of r_debug.r_ldsomap. */
47 /* Size of struct link_map (or equivalent), or at least enough of it
48 to be able to obtain the fields below. */
51 /* Offset to l_addr field in struct link_map. */
54 /* Offset to l_ld field in struct link_map. */
57 /* Offset to l_next field in struct link_map. */
60 /* Offset to l_prev field in struct link_map. */
63 /* Offset to 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 /* This function is called by thread_db.c. Return the address of the
76 link map for the given objfile. */
77 extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile);
79 /* Fetch (and possibly build) an appropriate `struct link_map_offsets'
80 for ILP32 and LP64 SVR4 systems. */
81 extern struct link_map_offsets *svr4_ilp32_fetch_link_map_offsets (void);
82 extern struct link_map_offsets *svr4_lp64_fetch_link_map_offsets (void);
84 /* Return 1 if PC lies in the dynamic symbol resolution code of the
85 SVR4 run time loader. */
86 int svr4_in_dynsym_resolve_code (CORE_ADDR pc);
88 #endif /* solib-svr4.h */