/* Handle shared libraries for GDB, the GNU Debugger.
- Copyright 2000
- Free Software Foundation, Inc.
+
+ Copyright (C) 2000-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef SOLIB_SVR4_H
+#define SOLIB_SVR4_H
struct objfile;
+struct target_so_ops;
+
+extern struct target_so_ops svr4_so_ops;
/* Critical offsets and sizes which describe struct r_debug and
struct link_map on SVR4-like targets. All offsets and sizes are
struct link_map_offsets
{
- /* Size of struct r_debug (or equivalent), or at least enough of it to
- be able to obtain the r_map field. */
- int r_debug_size;
+ /* Offset and size of r_debug.r_version. */
+ int r_version_offset, r_version_size;
- /* Offset to the r_map field in struct r_debug. */
+ /* Offset of r_debug.r_map. */
int r_map_offset;
- /* Size of the r_map field in struct r_debug. */
- int r_map_size;
+ /* Offset of r_debug.r_brk. */
+ int r_brk_offset;
+
+ /* Offset of r_debug.r_ldsomap. */
+ int r_ldsomap_offset;
/* Size of struct link_map (or equivalent), or at least enough of it
to be able to obtain the fields below. */
/* Offset to l_addr field in struct link_map. */
int l_addr_offset;
- /* Size of l_addr field in struct link_map. */
- int l_addr_size;
+ /* Offset to l_ld field in struct link_map. */
+ int l_ld_offset;
/* Offset to l_next field in struct link_map. */
int l_next_offset;
- /* Size of l_next field in struct link_map. */
- int l_next_size;
-
/* Offset to l_prev field in struct link_map. */
int l_prev_offset;
- /* Size of l_prev field in struct link_map. */
- int l_prev_size;
-
/* Offset to l_name field in struct link_map. */
int l_name_offset;
-
- /* Size of l_name field in struct link_map. */
- int l_name_size;
};
/* set_solib_svr4_fetch_link_map_offsets() is intended to be called by
link map for the given objfile. */
extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile);
-/* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function
- which is used to fetch link map offsets. It will only be set
- by solib-legacy.c, if at all. */
-extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook)(void);
+/* Fetch (and possibly build) an appropriate `struct link_map_offsets'
+ for ILP32 and LP64 SVR4 systems. */
+extern struct link_map_offsets *svr4_ilp32_fetch_link_map_offsets (void);
+extern struct link_map_offsets *svr4_lp64_fetch_link_map_offsets (void);
+
+/* Return 1 if PC lies in the dynamic symbol resolution code of the
+ SVR4 run time loader. */
+int svr4_in_dynsym_resolve_code (CORE_ADDR pc);
+
+#endif /* solib-svr4.h */