mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
b0cf070b98
1998-08-28 22:49 Ulrich Drepper <drepper@cygnus.com> * elf/do-rel.h (elf_dynamic_do_rel): Call elf_machine_lazy_rel with load address, not map address. * sysdeps/alpha/dl-machine.h (elf_machine_lazy_rel): Change first parameter and use this value. * sysdeps/arm/dl-machine.h: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/m68k/dl-machine.h: Likewise. * sysdeps/mips/dl-machine.h (elf_machine_lazy_rel): Change first parameter. * sysdeps/powerpc/dl-machine.h: Likewise * sysdeps/sparc/sparc32/dl-machine.h: Likewise * sysdeps/sparc/sparc64/dl-machine.h: Likewise
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/* Do relocations for ELF dynamic linking.
|
|
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. */
|
|
|
|
/* This file may be included twice, to define both
|
|
`elf_dynamic_do_rel' and `elf_dynamic_do_rela'. */
|
|
|
|
#ifdef DO_RELA
|
|
# define elf_dynamic_do_rel elf_dynamic_do_rela
|
|
# define Rel Rela
|
|
# define elf_machine_rel elf_machine_rela
|
|
#endif
|
|
|
|
#ifndef VERSYMIDX
|
|
# define VERSYMIDX(sym) (DT_NUM + DT_PROCNUM + DT_VERSIONTAGIDX (sym))
|
|
#endif
|
|
|
|
/* Perform the relocations in MAP on the running program image as specified
|
|
by RELTAG, SZTAG. If LAZY is nonzero, this is the first pass on PLT
|
|
relocations; they should be set up to call _dl_runtime_resolve, rather
|
|
than fully resolved now. */
|
|
|
|
static inline void
|
|
elf_dynamic_do_rel (struct link_map *map,
|
|
ElfW(Addr) reladdr, ElfW(Addr) relsize,
|
|
int lazy)
|
|
{
|
|
const ElfW(Rel) *r = (const ElfW(Rel) *)(map->l_addr + reladdr);
|
|
const ElfW(Rel) *end = (const ElfW(Rel) *)(map->l_addr + reladdr + relsize);
|
|
|
|
if (lazy)
|
|
{
|
|
/* Doing lazy PLT relocations; they need very little info. */
|
|
ElfW(Addr) l_addr = map->l_addr;
|
|
for (; r < end; ++r)
|
|
elf_machine_lazy_rel (l_addr, r);
|
|
}
|
|
else
|
|
{
|
|
const ElfW(Sym) *const symtab =
|
|
(const ElfW(Sym) *) (map->l_addr + map->l_info[DT_SYMTAB]->d_un.d_ptr);
|
|
|
|
if (map->l_info[VERSYMIDX (DT_VERSYM)])
|
|
{
|
|
const ElfW(Half) *const version =
|
|
(const ElfW(Half) *) (map->l_addr
|
|
+ map->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr);
|
|
|
|
for (; r < end; ++r)
|
|
{
|
|
ElfW(Half) ndx = version[ELFW(R_SYM) (r->r_info)];
|
|
elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)],
|
|
&map->l_versions[ndx],
|
|
(void *) (map->l_addr + r->r_offset));
|
|
}
|
|
}
|
|
else
|
|
for (; r < end; ++r)
|
|
elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], NULL,
|
|
(void *) (map->l_addr + r->r_offset));
|
|
}
|
|
}
|
|
|
|
#undef elf_dynamic_do_rel
|
|
#undef Rel
|
|
#undef elf_machine_rel
|