Creating and using GCJ ARM cross compiler

Tue Apr 22 13:13:00 GMT 2008

Matthijs van de Water wrote:
> On Tue, Apr 22, 2008 at 2:02 PM, Andrew Haley <aph@redhat.com> wrote:
>> That's almost certainly exception handling. Put your bp on _Jv_Throw.
> Looks like you're right:
>> _Jv_Throw (value=0x4212efa0) at /data/gcc-4_2-branch/libjava/exception.cc:99
> 99 _Jv_Throw (jthrowable value)
> (gdb) n
> 104 if (value == NULL)
> (gdb) inspect value
> 4ドル = (jthrowable) 0x4212efa0
> (gdb) next
> 102 = static_cast<java_exception_header *>(_Jv_AllocRawObj
> (sizeof (*xh)));
> (gdb)
> 99 _Jv_Throw (jthrowable value)
> (gdb)
> 104 if (value == NULL)
> (gdb)
> 109 sizeof xh->unwindHeader.exception_class);
> (gdb) n
> 106 xh->value = value;
> (gdb) n
> 109 sizeof xh->unwindHeader.exception_class);
> (gdb) n
> 110 xh->unwindHeader.exception_cleanup = NULL;
> (gdb) n
> 118 code = _Unwind_RaiseException (&xh->unwindHeader);
> (gdb) s
> 110 xh->unwindHeader.exception_cleanup = NULL;
> (gdb) s
> 118 code = _Unwind_RaiseException (&xh->unwindHeader);
> (gdb) s
> terminate called without an active exception
>> Program received signal SIGABRT, Aborted.
> 0x41fb38c4 in raise () from /lib/libc.so.6
> (gdb)

OK, good. If this were me I'd install gcc debuginfo and step through
_Unwind_RaiseException, but we have, I think, established the most likely
culprit.
I can't see anything very much wrong with the merged Debian source,
though.
Andrew.