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Re: user-mode-linux for Mach?

From: Constantine Kousoulos
Subject: Re: user-mode-linux for Mach?
Date: Thu, 04 Jan 2007 13:09:16 +0200
User-agent: Mozilla Thunderbird (Windows/20061207)

O/H Thomas Schwinge έγραψε:

On Thu, Dec 14, 2006 at 12:36:21AM +0200, Constantine Kousoulos wrote:
Currently, uml does not support device handling from user space nor has been ported to any os other than linux. However, it is just a user space process, so i'm not pessimistic about porting it to the Hurd.

I'm clueless about system call interception and ptrace() in GNU/Hurd. Most likely, they are not supported. However, can't we implement something like that? I've never implemented system call interception before :) but the theory is not that hard to understand. Ptrace() seems more difficult.

All in all, uml is not a sure bet but seems very promising IMHO. If it works, it could provide the Hurd with a very good tool for a long term usage.

Curious, did you already have a look?

Yes. You can take a look here for my post in user-mode-linux-devel list:

As you can see, only general guidelines exist.

I tried compiling uml in Hurd and a lot of errors came up (oh what a surprise). I "fixed" some but not all. When uml finally compiles, i will investigate the important stuff.

I will continue to work on it but my rythm is a bit slow :).

Happy new year everyone,

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