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authorUlrich Drepper <drepper@redhat.com>2000-03-15 05:32:11 +0000
committerUlrich Drepper <drepper@redhat.com>2000-03-15 05:32:11 +0000
commitd9cb1a7dad1f2638cdaa12ff8ade54f9c24c64bc (patch)
tree6cc6cb94f13c173b2d52c0f43fd3a36c967830ab /elf/dl-deps.c
parent36388ac46a351a923a7690a8b0e88266bab16098 (diff)
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Update.
* elf/dl-deps.c (_dl_map_object_deps): Change return type and remove last parameter. Move code to add map to global scope from here... * elf/dl-open.c (dl_open_worker): ...here. * elf/ldsodefs.h: Adjust declaration of _dl_map_object_deps. * elf/rtld.c: Adjust call to _dl_map_object_deps.
Diffstat (limited to 'elf/dl-deps.c')
-rw-r--r--elf/dl-deps.c86
1 files changed, 3 insertions, 83 deletions
diff --git a/elf/dl-deps.c b/elf/dl-deps.c
index 68e4921ce5..57d10567d1 100644
--- a/elf/dl-deps.c
+++ b/elf/dl-deps.c
@@ -1,5 +1,5 @@
/* Load the dependencies of a mapped object.
- Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000 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
@@ -131,16 +131,15 @@ struct list
__result; })
-unsigned int
+void
internal_function
_dl_map_object_deps (struct link_map *map,
struct link_map **preloads, unsigned int npreloads,
- int trace_mode, int global_scope)
+ int trace_mode)
{
struct list known[1 + npreloads + 1];
struct list *runp, *utail, *dtail;
unsigned int nlist, nduplist, i;
- unsigned int to_add = 0;
inline void preload (struct link_map *map)
{
@@ -480,83 +479,4 @@ _dl_map_object_deps (struct link_map *map,
else
map->l_searchlist.r_duplist[cnt++] = runp->map;
}
-
- /* Now that all this succeeded put the objects in the global scope if
- this is necessary. We put the original object and all the dependencies
- in the global scope. If an object is already loaded and not in the
- global scope we promote it. */
- if (global_scope)
- {
- unsigned int cnt;
- struct link_map **new_global;
-
- /* Count the objects we have to put in the global scope. */
- for (cnt = 0; cnt < nlist; ++cnt)
- if (map->l_searchlist.r_list[cnt]->l_global == 0)
- ++to_add;
-
- /* The symbols of the new objects and its dependencies are to be
- introduced into the global scope that will be used to resolve
- references from other dynamically-loaded objects.
-
- The global scope is the searchlist in the main link map. We
- extend this list if necessary. There is one problem though:
- since this structure was allocated very early (before the libc
- is loaded) the memory it uses is allocated by the malloc()-stub
- in the ld.so. When we come here these functions are not used
- anymore. Instead the malloc() implementation of the libc is
- used. But this means the block from the main map cannot be used
- in an realloc() call. Therefore we allocate a completely new
- array the first time we have to add something to the locale scope. */
-
- if (_dl_global_scope_alloc == 0)
- {
- /* This is the first dynamic object given global scope. */
- _dl_global_scope_alloc = _dl_main_searchlist->r_nlist + to_add + 8;
- new_global = (struct link_map **)
- malloc (_dl_global_scope_alloc * sizeof (struct link_map *));
- if (new_global == NULL)
- {
- _dl_global_scope_alloc = 0;
- nomem:
- _dl_signal_error (ENOMEM, map->l_libname->name,
- "cannot extend global scope");
- return 0;
- }
-
- /* Copy over the old entries. */
- memcpy (new_global, _dl_main_searchlist->r_list,
- (_dl_main_searchlist->r_nlist * sizeof (struct link_map *)));
-
- _dl_main_searchlist->r_list = new_global;
- }
- else if (_dl_main_searchlist->r_nlist + to_add > _dl_global_scope_alloc)
- {
- /* We have to extend the existing array of link maps in the
- main map. */
- new_global = (struct link_map **)
- realloc (_dl_main_searchlist->r_list,
- ((_dl_global_scope_alloc + to_add + 8)
- * sizeof (struct link_map *)));
- if (new_global == NULL)
- goto nomem;
-
- _dl_global_scope_alloc += to_add + 8;
- _dl_main_searchlist->r_list = new_global;
- }
-
- /* Now add the new entries. */
- to_add = 0;
- for (cnt = 0; cnt < nlist; ++cnt)
- if (map->l_searchlist.r_list[cnt]->l_global == 0)
- {
- _dl_main_searchlist->r_list[_dl_main_searchlist->r_nlist + to_add]
- = map->l_searchlist.r_list[cnt];
- ++to_add;
- }
-
- /* XXX Do we have to add something to r_dupsearchlist??? --drepper */
- }
-
- return to_add;
}