mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/* Look up a symbol's run-time value in the scope of a loaded object.
|
|
Copyright (C) 1995, 1996 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 <stddef.h>
|
|
#include <link.h>
|
|
|
|
/* Look up symbol NAME in MAP's scope and return its run-time address. */
|
|
|
|
ElfW(Addr)
|
|
_dl_symbol_value (struct link_map *map, const char *name)
|
|
{
|
|
ElfW(Addr) loadbase;
|
|
const ElfW(Sym) *ref = NULL;
|
|
struct link_map *scope[2] = { map, NULL };
|
|
loadbase = _dl_lookup_symbol (name, &ref, scope, map->l_name, 0);
|
|
return loadbase + ref->st_value;
|
|
}
|