Index: glibc-2.15.90/elf/dl-close.c =================================================================== --- glibc-2.15.90.orig/elf/dl-close.c +++ glibc-2.15.90/elf/dl-close.c @@ -179,24 +179,28 @@ _dl_close_worker (struct link_map *map) /* Signal the object is still needed. */ l->l_idx = IDX_STILL_USED; +#define mark_used(dmap) \ + do { \ + if ((dmap)->l_idx != IDX_STILL_USED) \ + { \ + assert ((dmap)->l_idx >= 0 && (dmap)->l_idx < nloaded); \ + \ + if (!used[(dmap)->l_idx]) \ + { \ + used[(dmap)->l_idx] = 1; \ + if ((dmap)->l_idx - 1 < done_index) \ + done_index = (dmap)->l_idx - 1; \ + } \ + } \ + } while (0) + /* Mark all dependencies as used. */ if (l->l_initfini != NULL) { struct link_map **lp = &l->l_initfini[1]; while (*lp != NULL) { - if ((*lp)->l_idx != IDX_STILL_USED) - { - assert ((*lp)->l_idx >= 0 && (*lp)->l_idx < nloaded); - - if (!used[(*lp)->l_idx]) - { - used[(*lp)->l_idx] = 1; - if ((*lp)->l_idx - 1 < done_index) - done_index = (*lp)->l_idx - 1; - } - } - + mark_used(*lp); ++lp; } } @@ -205,19 +209,25 @@ _dl_close_worker (struct link_map *map) for (unsigned int j = 0; j < l->l_reldeps->act; ++j) { struct link_map *jmap = l->l_reldeps->list[j]; - - if (jmap->l_idx != IDX_STILL_USED) - { - assert (jmap->l_idx >= 0 && jmap->l_idx < nloaded); - - if (!used[jmap->l_idx]) - { - used[jmap->l_idx] = 1; - if (jmap->l_idx - 1 < done_index) - done_index = jmap->l_idx - 1; - } - } + mark_used(jmap); } + /* And the same for owners of our scopes; normally, our last + scope provider would render us unused, but this can be + prevented by the NODELETE flag. */ + if (__builtin_expect(l->l_type == lt_loaded + && (l->l_flags_1 & DF_1_NODELETE), 0)) + for (size_t cnt = 0; l->l_scope[cnt] != NULL; ++cnt) + /* This relies on l_scope[] entries being always set either + to its own l_symbolic_searchlist address, or some map's + l_searchlist address. */ + if (l->l_scope[cnt] != &l->l_symbolic_searchlist) + { + struct link_map *ls = (struct link_map *) + ((char *) l->l_scope[cnt] + - offsetof (struct link_map, l_searchlist)); + assert (ls->l_ns == nsid); + mark_used(ls); + } } /* Sort the entries. */