From mboxrd@z Thu Jan  1 00:00:00 1970
From: Claudio Fontana <claudio.fontana@gmail.com>
Subject: Re: precise debugging of inline asm
Date: Sun, 01 Jun 2008 19:27:26 +0200
Message-ID: <4842DBFE.4080404@gmail.com>
References: <20080601150140.GA2832@drago>
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To: lynx.abraxas@freenet.de
Cc: linux-assembly@vger.kernel.org

lynx.abraxas@freenet.de wrote:
> Hello!
> 
> 
> The  mentioning  of  gdb  in  this  mailinglist  gave  me  the  idea to ask my
> unresolved question here as well:
> 
> Trying to port cpt2 to linux I have an inline assembly part of about 100 lines
> that causes a segmentation fault while juggling around with memory. When I use
> gdb for debugging it sadly only points me to the line  where  the  inline  asm
> starts.  I  haven't  been able to figure out how to get a more precise info in
> what line the actual segmentation fault comes from.
> Does anybody here know if that is at all possible and if so, how? Would labels
> to each line help?
> 
> Thanks for any help or hints.
> Lynx

On x86, try for example

(gdb) disassemble $eip $eip+20

Also see
(gdb) info registers

Cld