/* Handle shared libraries for GDB, the GNU Debugger.
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/* Handle shared libraries for GDB, the GNU Debugger.
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Copyright 2000
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Copyright 2000
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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/* Critical offsets and sizes which describe struct r_debug and
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/* Critical offsets and sizes which describe struct r_debug and
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struct link_map on SVR4-like targets. All offsets and sizes are
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struct link_map on SVR4-like targets. All offsets and sizes are
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in bytes unless otherwise specified. */
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in bytes unless otherwise specified. */
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struct link_map_offsets
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struct link_map_offsets
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{
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{
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/* Size of struct r_debug (or equivalent), or at least enough of it to
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/* Size of struct r_debug (or equivalent), or at least enough of it to
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be able to obtain the r_map field. */
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be able to obtain the r_map field. */
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int r_debug_size;
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int r_debug_size;
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/* Offset to the r_map field in struct r_debug. */
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/* Offset to the r_map field in struct r_debug. */
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int r_map_offset;
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int r_map_offset;
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/* Size of the r_map field in struct r_debug. */
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/* Size of the r_map field in struct r_debug. */
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int r_map_size;
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int r_map_size;
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/* Size of struct link_map (or equivalent), or at least enough of it
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/* Size of struct link_map (or equivalent), or at least enough of it
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to be able to obtain the fields below. */
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to be able to obtain the fields below. */
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int link_map_size;
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int link_map_size;
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/* Offset to l_addr field in struct link_map. */
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/* Offset to l_addr field in struct link_map. */
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int l_addr_offset;
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int l_addr_offset;
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/* Size of l_addr field in struct link_map. */
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/* Size of l_addr field in struct link_map. */
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int l_addr_size;
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int l_addr_size;
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/* Offset to l_next field in struct link_map. */
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/* Offset to l_next field in struct link_map. */
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int l_next_offset;
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int l_next_offset;
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/* Size of l_next field in struct link_map. */
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/* Size of l_next field in struct link_map. */
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int l_next_size;
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int l_next_size;
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/* Offset to l_prev field in struct link_map. */
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/* Offset to l_prev field in struct link_map. */
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int l_prev_offset;
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int l_prev_offset;
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/* Size of l_prev field in struct link_map. */
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/* Size of l_prev field in struct link_map. */
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int l_prev_size;
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int l_prev_size;
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/* Offset to l_name field in struct link_map. */
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/* Offset to l_name field in struct link_map. */
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int l_name_offset;
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int l_name_offset;
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/* Size of l_name field in struct link_map. */
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/* Size of l_name field in struct link_map. */
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int l_name_size;
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int l_name_size;
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};
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};
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extern void set_solib_svr4_fetch_link_map_offsets (
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extern void set_solib_svr4_fetch_link_map_offsets (
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struct link_map_offsets *(*func) (void));
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struct link_map_offsets *(*func) (void));
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/* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function
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/* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function
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which is used to fetch link map offsets. It will only be set
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which is used to fetch link map offsets. It will only be set
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by solib-legacy.c, if at all. */
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by solib-legacy.c, if at all. */
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extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook)(void);
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extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook)(void);
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