[uClibc] [PATCH] possible fix for weak symbols in ldso [Was: Strange dynamic symbol in PPC]
Joakim Tjernlund
joakim.tjernlund at lumentis.se
Mon Feb 2 11:19:29 UTC 2004
> >
> > Managed to cross compile the stuff uClibc/test/dlopen for PPC.
> >
> > dltest reports "Weak values resolved incorrectly". I guess that
> > this test shows the problem described above?
>
> Yep, that is indeed the problem.
This patch will make the dltest above pass(dltest2 also passes).
I don't know if I broke something else, but it is a start.
Possibly a modified test should be used instead, where something better
than "weak_result != 0" is used.
Comments?
Jocke
Index: hash.c
===================================================================
RCS file: /var/cvs/uClibc/ldso/ldso/hash.c,v
retrieving revision 1.14
diff -u -r1.14 hash.c
--- hash.c 19 Aug 2003 13:11:06 -0000 1.14
+++ hash.c 2 Feb 2004 11:03:34 -0000
@@ -230,18 +230,6 @@
tpnt = rpnt->dyn;
/*
- * The idea here is that if we are using dlsym, we want to
- * first search the entire chain loaded from dlopen, and
- * return a result from that if we found anything. If this
- * fails, then we continue the search into the stuff loaded
- * when the image was activated. For normal lookups, we start
- * with rpnt == NULL, so we should never hit this.
- */
- if (tpnt->libtype == elf_executable && weak_result != 0) {
- break;
- }
-
- /*
* Avoid calling .urem here.
*/
do_rem(hn, elf_hash_number, tpnt->nbucket);
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