diff options
Diffstat (limited to 'elf/dl-load.c')
| -rw-r--r-- | elf/dl-load.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index 01e1572f51..ae99ffdcbc 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -2030,25 +2030,34 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded, RPATHs. */ if (loader == NULL || loader->l_info[DT_RUNPATH] == NULL) { + /* This is the executable's map (if there is one). Make sure that + we do not look at it twice. */ + struct link_map *main_map = GL(dl_ns)[LM_ID_BASE]._ns_loaded; + bool did_main_map = false; + /* First try the DT_RPATH of the dependent object that caused NAME to be loaded. Then that object's dependent, and on up. */ - for (l = loader; fd == -1 && l; l = l->l_loader) + for (l = loader; l; l = l->l_loader) if (cache_rpath (l, &l->l_rpath_dirs, DT_RPATH, "RPATH")) - fd = open_path (name, namelen, preloaded, &l->l_rpath_dirs, - &realname, &fb, loader, LA_SER_RUNPATH, - &found_other_class); + { + fd = open_path (name, namelen, preloaded, &l->l_rpath_dirs, + &realname, &fb, loader, LA_SER_RUNPATH, + &found_other_class); + if (fd != -1) + break; + + did_main_map |= l == main_map; + } /* If dynamically linked, try the DT_RPATH of the executable itself. NB: we do this for lookups in any namespace. */ - if (fd == -1) - { - l = GL(dl_ns)[LM_ID_BASE]._ns_loaded; - if (l && l->l_type != lt_loaded && l != loader - && cache_rpath (l, &l->l_rpath_dirs, DT_RPATH, "RPATH")) - fd = open_path (name, namelen, preloaded, &l->l_rpath_dirs, - &realname, &fb, loader ?: l, LA_SER_RUNPATH, - &found_other_class); - } + if (fd == -1 && !did_main_map + && main_map != NULL && main_map->l_type != lt_loaded + && cache_rpath (main_map, &main_map->l_rpath_dirs, DT_RPATH, + "RPATH")) + fd = open_path (name, namelen, preloaded, &main_map->l_rpath_dirs, + &realname, &fb, loader ?: main_map, LA_SER_RUNPATH, + &found_other_class); } /* Try the LD_LIBRARY_PATH environment variable. */ |