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[PATCH] core dump of japh16
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Bernhard Schmalhofer  
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 More options Nov 15 2004, 4:54 pm
Newsgroups: perl.perl6.internals
From: parrotbug-follo...@parrotcode.org (Bernhard Schmalhofer)
Date: Mon, 15 Nov 2004 13:54:46 -0800
Local: Mon, Nov 15 2004 4:54 pm
Subject: [perl #32450] [PATCH] core dump of japh16
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# New Ticket Created by  Bernhard Schmalhofer
# Please include the string:  [perl #32450]
# in the subject line of all future correspondence about this issue.
# <URL: http://rt.perl.org:80/rt3/Ticket/Display.html?id=32450 >

Hi,

since a couple of days the example japh16 is dumping core on my Linux
machine.
It looks like there was a free on a NULL, when cleaning up packfile
segments. The attached patch checks wether there is a fixup table in the
seqment.

I'm not sure about the validity of this patch. Perhaps there has to be a
fixup table.
Unfortunately I have no idea what a fixup table does.

CU, Bernhard

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  japh16_20041115.patch
< 1K Download

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Leopold Toetsch  
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 More options Nov 16 2004, 4:01 am
Newsgroups: perl.perl6.internals
From: l...@toetsch.at (Leopold Toetsch)
Date: Tue, 16 Nov 2004 10:01:28 +0100
Local: Tues, Nov 16 2004 4:01 am
Subject: Re: [perl #32450] [PATCH] core dump of japh16
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Bernhard Schmalhofer <parrotbug-follo...@parrotcode.org> wrote:
> since a couple of days the example japh16 is dumping core on my Linux
> machine.
> It looks like there was a free on a NULL, when cleaning up packfile
> segments. The attached patch checks wether there is a fixup table in the
> seqment.
> I'm not sure about the validity of this patch. Perhaps there has to be a
> fixup table.

It's fine.

> Unfortunately I have no idea what a fixup table does.

The fixup table is a list of global Sub PMCs. These are coming from he
packfile with relative start offsets to the beginning of their packfile.
During fixup, these offsets are converted to absolute bytecode
addresses.

> CU, Bernhard

Thanks, applied.
leo

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