valgrinding GCJ Java code

Thu Jun 17 19:18:00 GMT 2004

Boehm, Hans wrote:
> I don't know what the specific issue is here.

The specific issue is that control never returns from JvCreateJavaVM()
or JNI_CreateJavaVM() when the app is run under valgrind.
> I would expect lots of bogus problem reports for the garbage collector.
> For example, the collector scans complete stacks for pointers. Some of those
> stacks are likely to be uninitialized. (The way to fix these would be to
> teach valgrind about the garbage collector. I don't know if it has hooks
> for the GC to tell it what's going on.)

Valgrind does have some hooks for this sort of thing, but that is way 
beyond my understanding.
> If you are looking for a memory overwrite problem, the patch in
> http://gcc.gnu.org/ml/java/2004-03/msg00222.html (for which I'm still hoping
> for feedback!) should also provide some checking, which might help.

I will keep that one in mind, thanks.
-- 
Tom Schutter (mailto:tom@platte.com)
Platte River Associates, Inc. (http://www.platte.com)