Re: ld --as-needed assertion fail, BFD internal error and crash

["Dmitry V. Levin" <ldv at altlinux dot org>]

On Thu, Mar 16, 2006 at 11:07:05PM +1030, Alan Modra wrote:
> PR 2434 is a problem caused by incomplete restore of symbol table state
> after deciding that an as-needed shared lib is not in fact needed.  This
> patch addresses that by taking a snapshot of the sym hash table before
> loading an as-needed lib, then restoring afterwards if the lib isn't
> needed.  Unfortunately, to do this we need to know the size of hash
> table entries, so I had to touch lots of files.  It also can use quite
> a bit of memory.  On the plus side, we do get a complete restore.

With this patch my ld --as-needed crashes even more often:
$ cat qv.cc
#include <qglobal.h>
int main(void) {return !qVersion();}
$ g++ -c -Wall -I/usr/include/qt3 qv.cc
$ ld --as-needed --eh-frame-hdr -m elf_i386 qv.o -L/usr/lib/qt3/lib
-lqt-mt -lpthread
Segmentation fault
(libqt-mt is linked with -lpthread, libpthread is not needed for qv.o)


-- 
ldv

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