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/* Storage management for the chain of loaded shared objects.
Copyright (C) 1995 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <link.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
/* List of objects currently loaded. */
struct link_map *_dl_loaded;
/* Tail of that list which were loaded at startup. */
struct link_map *_dl_startup_loaded;
/* 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);
if (! new)
_dl_signal_error (ENOMEM, libname,
"cannot allocate shared object descriptor");
memset (new, 0, sizeof *new);
new->l_name = realname;
new->l_libname = libname;
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;
}
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