glibc/sysdeps/hppa/dl-symaddr.c

36 lines
1.3 KiB
C

/* Get the symbol address. HPPA version.
Copyright (C) 1999-2014 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-machine.h>
void *
_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref)
{
/* Find the "ip" from the "map" and symbol "ref" */
Elf32_Addr value = (map ? map->l_addr : 0) + ref->st_value;
/* On hppa, we have to return the pointer to function descriptor.
This involves an "| 2" to inform $$dyncall that this is a plabel32 */
if (ELFW(ST_TYPE) (ref->st_info) == STT_FUNC){
return (void *)((unsigned long)_dl_make_fptr (map, ref, value) | 2);
}
else
return (void *) value;
}