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Apply glibc-elf-localscope patch from OpenSUSE 

This fixes a lot of crashes in KDE background processes

svn path=/nixpkgs/branches/stdenv-updates/; revision=28796
This commit is contained in:
Yury G. Kudryashov 2011-08-24 20:22:27 +00:00
parent f1362ffb93
commit f6bfeb3fce
2 changed files with 84 additions and 0 deletions
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82
pkgs/development/libraries/glibc-2.12/glibc-elf-localscope.patch Normal file
View File

@ -0,0 +1,82 @@
diff -ru a/elf/dl-close.c b/elf/dl-close.c
--- a/elf/dl-close.c 2011-02-04 00:35:03.000000000 +0100
+++ b/elf/dl-close.c 2011-02-22 02:16:12.367883000 +0100
@@ -180,24 +186,28 @@
/* 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;
}
}
@@ -206,19 +216,25 @@
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. */

2
pkgs/development/libraries/glibc-2.13/common.nix
View File

@ -74,6 +74,8 @@ stdenv.mkDerivation ({
/* Allow nixos and nix handle the locale-archive. */
./nix-locale-archive.patch
/* Without this patch many KDE binaries crash. */
./glibc-elf-localscope.patch
];
postPatch = ''