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Mail Archives: djgpp-workers/2001/03/30/14:44:21

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To: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Cc: taylor AT cygnus DOT com, gdb AT sources DOT redhat DOT com, sandmann AT clio DOT rice DOT edu,
djgpp-workers AT delorie DOT com
Subject: Re: Adding support for core files to DJGPP
References: <200103301443 DOT JAA24895 AT texas DOT cygnus DOT com>
<200103301534 DOT KAA28533 AT indy DOT delorie DOT com>
From: jtc AT redback DOT com (J.T. Conklin)
Date: 30 Mar 2001 11:43:59 -0800
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>>>>> "Eli" == Eli Zaretskii <eliz AT delorie DOT com> writes:
>> Date: Fri, 30 Mar 2001 09:43:39 -0500
>> From: David Taylor <taylor AT cygnus DOT com>
>> 
>> If you are designing the core file format for DJGPP, I would recommend
>> making it an ELF file.

Eli> It sounds like that: you are the second person (out of two who
Eli> replied) who suggested that.  Thanks.

For a host environment like DJGPP, I agree with the recommendation for
ELF crash dumps.  

However, I wanted to mention that for embedded environments, it may be
better to use a custom crash dump format.  One requirement I had was I
had to write dumps to streaming media (in other words, no seeks).  I
suspect I could have written ELF dumps by doing two passes over the
system (one to compute the offsets, another to write the dump), it was
simpler to use a format designed for streaming from the get go.

        --jtc

-- 
J.T. Conklin
RedBack Networks

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