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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [solib-svr4.h] - Blame information for rev 840

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1 24 jeremybenn
/* Handle shared libraries for GDB, the GNU Debugger.
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   Copyright (C) 2000, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
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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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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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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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   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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   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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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#ifndef SOLIB_SVR4_H
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#define SOLIB_SVR4_H
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struct objfile;
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struct target_so_ops;
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extern struct target_so_ops svr4_so_ops;
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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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   in bytes unless otherwise specified.  */
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struct link_map_offsets
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  {
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    /* Offset and size of r_debug.r_version.  */
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    int r_version_offset, r_version_size;
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    /* Offset of r_debug.r_map.  */
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    int r_map_offset;
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    /* Offset of r_debug.r_brk.  */
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    int r_brk_offset;
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    /* Offset of r_debug.r_ldsomap.  */
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    int r_ldsomap_offset;
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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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    int link_map_size;
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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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    /* Offset to l_ld field in struct link_map.  */
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    int l_ld_offset;
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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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    /* Offset to l_prev field in struct link_map.  */
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    int l_prev_offset;
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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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  };
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/* set_solib_svr4_fetch_link_map_offsets() is intended to be called by
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   a <arch>_gdbarch_init() function.  It is used to establish an
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   architecture specific link_map_offsets fetcher for the architecture
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   being defined.  */
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extern void set_solib_svr4_fetch_link_map_offsets
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  (struct gdbarch *gdbarch, struct link_map_offsets *(*func) (void));
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/* This function is called by thread_db.c.  Return the address of the
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   link map for the given objfile.  */
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extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile);
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/* Fetch (and possibly build) an appropriate `struct link_map_offsets'
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   for ILP32 and LP64 SVR4 systems.  */
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extern struct link_map_offsets *svr4_ilp32_fetch_link_map_offsets (void);
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extern struct link_map_offsets *svr4_lp64_fetch_link_map_offsets (void);
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/* Return 1 if PC lies in the dynamic symbol resolution code of the
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   SVR4 run time loader.  */
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int svr4_in_dynsym_resolve_code (CORE_ADDR pc);
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#endif /* solib-svr4.h */

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