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Mail Archives: djgpp/2007/08/18/11:19:04

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Message-ID: <46C70D66.5060305@iki.fi>
Date: Sat, 18 Aug 2007 18:16:54 +0300
From: Andris Pavenis <andris DOT pavenis AT iki DOT fi>
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To: djgpp AT delorie DOT com
Subject: Re: Weird GDB crash with DJGPP
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mike3 wrote:
> Hi.
> 
> When I try to run the GNU Debugger in DJGPP on my program, and list
> the CPU registers with "list all-registers", it crashes with
> 
> "go32-nat.c:473: internal-error: Invalid register no. 32 in
> fetch_register."
> 
> when it gets to the XMM registers. And this is really, REALLY bad
> since that's where I need to debug!
> What is going on here? I tried GDBing a different program to see if
> perhaps it was due to a flaw in my program and BAM, same error, so
> nope, that's not it.

No one has added support of XMM registers for DJGPP. One can see from 
gdb/go32-nat.c in gdb-6.6.tar.bz2.

I remember I had this problem already long time ago when building from 
sources and using RHIDE. I workarounded it in some way, but I don't 
remeber exactly how (perhaps limiting librhgdb not to try to retrieve 
XMM registers at all).



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