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0c367d923b
1998-03-09 18:21 Ulrich Drepper <drepper@cygnus.com> * elf/dl-support.c (_dl_debug_bindings): Add definition. * elf/rtld.c (_dl_debug_bindings): Add definition. (process_dl_debug): Recognize bindings option. Update help message. * elf/link.h (struct link_map): Add l_versyms member. (_dl_debug_bindings): Add declaration. * elf/version.c (_dl_check_map_versions): Initialize l_versyms. * elf/dl-object.c (_dl_new_object): Don't initialize l_rpath_dirs and l_reloc_result. * elf/dl-lookup.c (do_lookup): Define verstab from l_versyms. (sym_val): Remove a member, add m as link_map. (do_lookup): Return result appropriately. (_dl_lookup_symbol): If _dl_debug_bindings is defined print message. Call do_lookup correctly. (_dl_lookup_symbol_skip): Likewise. (_dl_lookup_versioned_symbol): Likewise. (_dl_lookup_versioned_symbol_skip): Likewise.
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Storage management for the chain of loaded shared objects.
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Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <link.h>
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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/* List of objects currently loaded is [2] of this, aka _dl_loaded. */
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struct link_map *_dl_default_scope[5];
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/* Allocate a `struct link_map' for a new object being loaded,
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and enter it into the _dl_loaded list. */
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struct link_map *
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_dl_new_object (char *realname, const char *libname, int type)
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{
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struct link_map *new = malloc (sizeof *new);
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struct libname_list *newname = malloc (sizeof *newname);
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if (! new || ! newname)
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return NULL;
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memset (new, 0, sizeof *new);
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new->l_name = realname;
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newname->name = libname;
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newname->next = NULL;
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new->l_libname = newname;
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new->l_type = type;
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if (_dl_loaded == NULL)
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{
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new->l_prev = new->l_next = NULL;
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_dl_loaded = new;
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}
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else
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{
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struct link_map *l = _dl_loaded;
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while (l->l_next)
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l = l->l_next;
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new->l_prev = l;
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new->l_next = NULL;
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l->l_next = new;
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}
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return new;
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}
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