mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
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.
|
|
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <link.h>
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
|
|
|
|
/* List of objects currently loaded is [2] of this, aka _dl_loaded. */
|
|
struct link_map *_dl_default_scope[5];
|
|
|
|
/* Allocate a `struct link_map' for a new object being loaded,
|
|
and enter it into the _dl_loaded list. */
|
|
|
|
struct link_map *
|
|
_dl_new_object (char *realname, const char *libname, int type)
|
|
{
|
|
struct link_map *new = malloc (sizeof *new);
|
|
struct libname_list *newname = malloc (sizeof *newname);
|
|
if (! new || ! newname)
|
|
return NULL;
|
|
|
|
memset (new, 0, sizeof *new);
|
|
new->l_name = realname;
|
|
newname->name = libname;
|
|
newname->next = NULL;
|
|
new->l_libname = newname;
|
|
new->l_type = type;
|
|
|
|
if (_dl_loaded == NULL)
|
|
{
|
|
new->l_prev = new->l_next = NULL;
|
|
_dl_loaded = new;
|
|
}
|
|
else
|
|
{
|
|
struct link_map *l = _dl_loaded;
|
|
while (l->l_next)
|
|
l = l->l_next;
|
|
new->l_prev = l;
|
|
new->l_next = NULL;
|
|
l->l_next = new;
|
|
}
|
|
|
|
return new;
|
|
}
|