building from cvs

Sat Jan 24 21:55:00 GMT 2004

On Sat, Jan 24, 2004 at 10:45:37PM +0100, Jakob Praher wrote:
> hi all,
>> first of all kudos to you all. You are doing a great job.
>> I wanted to test some of the newer APIs in libgcj and so I checked out
> the gcc source and did a fresh compile. (For instance the
> ByteBuffer.allocateDirect(I) )
>> After some problems, I managed to compile the whole thing and install it
> into a custome prefix $HOME/gcc.
>> I sourced my gcc prefix (PATH,LD_LIBRARY_PATH) and compiled a simple
> Test.java. 
> Now, no matter which Java code, I compile, after trying to run the
> binary I get a sigsegv. Gdb told me that the natClass.cc tries to access
> a apprantly Null pointer in :
>> _Jv_linkExceptionClassTable(java::lang::Class*) 
>> struct _Jv_CatchClass *catch_record = self->catch_classes;
> if (!catch_record || catch_record->classname)
> return; 
>> the upper to calls on the call stacks are:
>> #0 0x4044e484 in _Jv_linkExceptionClassTable(java::lang::Class*) (
> self=0x407b40e0) at java/lang/natClass.cc:1769
> #1 0x4044caad in java::lang::Class::initializeClass() (this=0x407b40e0)
> at java/lang/natClass.cc:800
>> so did I screw anything up, when compiling gcj?
> I did some research, but after all I think the catch_classes struct is
> filled in during code generatation by the gcj compiler and, apparantly
> it should never be null, or otherwise there would have been a check in 
> _Jv_linkExceptionClassTable, right?

What platform are you working on ? x86 ?
What configure options have you used ? 
Perhaps you got just a bad state from cvs. Have you tried updating ?
I compile and use gcc CVS trunk on a dialy basis on x86 since a long
time.
Michael