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Date: Tue, 01 Dec 2009 09:30:00 -0000
From: Andrew Haley <aph@redhat.com>
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To: Jack Howarth <howarth@bromo.med.uc.edu>
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Subject: Re: [patch] Fix oddity in personality routine
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Jack Howarth wrote:

> (gdb) 
> 54	  (*real_main) (args);
> (gdb) 
> 
> Program received signal EXC_BAD_ACCESS, Could not access memory.
> Reason: KERN_PROTECTION_FAILURE at address: 0x0000000103f05db0
> 0x0000000103f05db0 in ?? () at RowSetEvent.java:51
> 51	RowSetEvent.java: No such file or directory.
> 	in RowSetEvent.java
> (gdb) 
> 
> A backtrace only shows...
> 
> (gdb) bt
> #0  0x0000000103f05db0 in ?? () at RowSetEvent.java:51
> #1  0x00000001000485be in gnu::java::lang::MainThread::call_main (this=0x104875dc0) at ../../../gcc-4.5-20091128/libjava/gnu/java/lang/natMainThread.cc:54
> Previous frame inner to this frame (gdb could not unwind past this frame)
> 
> Let me know if you have any suggestions for debugging this further.

Disassemble the first 10 or so instructions at the instruction where the
EXC_BAD_ACCESS occurs.  I think this is a libffi bug.

Andrew.