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Re: [patch] Fix oddity in personality routine
- From: Andrew Haley <aph at redhat dot com>
- To: Jack Howarth <howarth at bromo dot med dot uc dot edu>
- Cc: borlum <thomas at borlum dot dk>, java at gcc dot gnu dot org
- Date: Tue, 01 Dec 2009 09:29:36 +0000
- Subject: Re: [patch] Fix oddity in personality routine
- References: <26540588.post@talk.nabble.com> <4B0FAC91.5030401@redhat.com> <20091127215118.GA6568@bromo.med.uc.edu> <4B10FECE.8010600@redhat.com> <20091129174835.GB13043@bromo.med.uc.edu> <4B12B6D9.5050008@redhat.com> <20091129184804.GA13502@bromo.med.uc.edu> <4B1399CD.9070401@redhat.com> <20091130160125.GA25831@bromo.med.uc.edu> <4B13EDB1.9090102@redhat.com> <20091201050157.GA1933@bromo.med.uc.edu>
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.