From:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: HELP! : Debugging a c/asm mixed programs
Date:	Sat, 08 Apr 2000 12:11:19 +0200
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Hans-Bernhard Broeker wrote:
> 
>         mov [dosmem_segment],ax
> 
> it'll try to display what currently is found at address
> [dosmen_segment]. Or something like that. I don't remember all the
> details offhand without having a system at hand to test them on...
> 
> *If* the current instruction is using a segment override prefix, which
> it doesn't understand, FSDB will look in the wrong place, and the
> offset may well be out of bounds of the datasegment it assumes. And
> bang, it crashes.

Are you saying that FSDB doesn't grok segment overrides?  I don't think
that's true.

In any case, I don't think FSDB would crash even if it does try to access a
bad address.  I'd need to see a specific test case.

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