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glibc/elf/dl-conflict.c
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/* Resolve conflicts against already prelinked libraries. | |
Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001. | |
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; see the file COPYING.LIB. If not, | |
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
Boston, MA 02111-1307, USA. */ | |
#include <errno.h> | |
#include <libintl.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
#include <ldsodefs.h> | |
#include <sys/mman.h> | |
#include <sys/param.h> | |
#include <sys/types.h> | |
#include "dynamic-link.h" | |
#if ! ELF_MACHINE_NO_RELA | |
void | |
_dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict, | |
ElfW(Rela) *conflictend) | |
{ | |
if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_RELOC, 0)) | |
_dl_printf ("\nconflict processing: %s\n", | |
l->l_name[0] ? l->l_name : rtld_progname); | |
{ | |
/* Do the conflict relocation of the object and library GOT and other | |
data. */ | |
/* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code. */ | |
#define RESOLVE_MAP(ref, version, flags) (*ref = NULL, NULL) | |
#define RESOLVE(ref, version, flags) (*ref = NULL, 0) | |
#define CHECK_STATIC_TLS(ref_map, sym_map) ((void) 0) | |
#define RESOLVE_CONFLICT_FIND_MAP(map, r_offset) \ | |
do { \ | |
while ((resolve_conflict_map->l_map_end < (ElfW(Addr)) (r_offset)) \ | |
|| (resolve_conflict_map->l_map_start > (ElfW(Addr)) (r_offset))) \ | |
resolve_conflict_map = resolve_conflict_map->l_next; \ | |
\ | |
(map) = resolve_conflict_map; \ | |
} while (0) | |
struct link_map *resolve_conflict_map __attribute__ ((__unused__)) | |
= GL(dl_loaded); | |
#include "dynamic-link.h" | |
GL(dl_num_cache_relocations) += conflictend - conflict; | |
for (; conflict < conflictend; ++conflict) | |
elf_machine_rela (l, conflict, NULL, NULL, (void *) conflict->r_offset); | |
} | |
} | |
#endif |