diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-deps.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/elf/dl-deps.c b/elf/dl-deps.c index 56f91f6dd0..b981d490df 100644 --- a/elf/dl-deps.c +++ b/elf/dl-deps.c @@ -304,7 +304,10 @@ _dl_map_object_deps (struct link_map *map, /* Allocate new entry. This always has to be done. */ newp = alloca (sizeof (struct list)); - /* Copy the content of the current entry over. */ + /* We want to insert the new map before the current one, + but we have no back links. So we copy the contents of + the current entry over. Note that ORIG and NEWP now + have switched their meanings. */ orig->dup = memcpy (newp, orig, sizeof (*newp)); /* Initialize new entry. */ @@ -333,7 +336,7 @@ _dl_map_object_deps (struct link_map *map, _dl_map_object. */ --args.aux->l_opencount; - for (late = orig; late->unique; late = late->unique) + for (late = newp; late->unique; late = late->unique) if (late->unique->map == args.aux) break; @@ -344,10 +347,13 @@ _dl_map_object_deps (struct link_map *map, move it to this earlier position. */ orig->unique = newp; - /* Now remove the later entry from the unique list. */ + /* Now remove the later entry from the unique list + and adjust the tail pointer. */ + if (utail == late->unique) + utail = late; late->unique = late->unique->unique; - /* We must move the earlier in the chain. */ + /* We must move the object earlier in the chain. */ if (args.aux->l_prev) args.aux->l_prev->l_next = args.aux->l_next; if (args.aux->l_next) |