elf/dl-symaddr.c


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/* Get the symbol address.  Generic version.
   Copyright (C) 1999-2017 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <ldsodefs.h>
#include <dl-fptr.h>

void *
_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref)
{
  ElfW(Addr) value = (map ? map->l_addr : 0) + ref->st_value;

  /* Return the pointer to function descriptor. */
  if (ELFW(ST_TYPE) (ref->st_info) == STT_FUNC)
    return (void *) _dl_make_fptr (map, ref, value);
  else
    return (void *) value;
}
rtld_hidden_def (_dl_symbol_address)