From: "Sebastian A. Liem" <sebastian.liem@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] gsoc linuxemu project help
Date: Thu, 26 Mar 2009 21:53:55 +0100 [thread overview]
Message-ID: <859bc0e00903261353g73e30fdcm61376527b27aeff6@mail.gmail.com> (raw)
In-Reply-To: <3e1162e60903260725x4ea79630qde370e69a84445b3@mail.gmail.com>
On 3/26/09, David Leimbach <leimy2k@gmail.com> wrote:
> 2009/3/26 Zhao Shuai <upczhsh@163.com>
>
>>
>> >Does creative masoshism count as GSoC project? I dont know :)
>> >
>> >Hm... These points all belong to the big topic, getting modern linux
>> >distro binaries (NTPL stuff) to work. This would be a good thing
>> >because I'm stuck on some old debian sarge that was just moved to the
>> >archives.
>> >
>> >Step one would be to get the simple single-threaded stuff to run like
>> >echo and cat. The part point here is TLS. I had a somewhat working
>> >plan9 driver for it but never packaged it up because i wanted the
>> >whole thing working before submitting a kernel patch. You may later
>> >progress to multithreaded apps wich use futex syscall.
>> >
>> >The way I work on linuxemu is randomly trying stuff out, see where it
>> >crashes... try to understand why it crashes... implement/fix
>> >syscalls and try again. Sometimes it easy and sometimes you scratch
>> >your head for a several months. Its hard to estimate the time needed
>> >to get X running because you never know what crazy optimization shit
>> >the linux/libc guys come up with next to make you suffer.
>> >
>> >Here is always a huge risk of failure in linuxemu because all the
>> >details are in Ulrich Dreppers head only or encrypted with
>> >c-preprocessor-ifdef-encryption in the glibc-code so getting help is
>> >very hard and most of the stuff you have to find out yourself (this
>> >may cause brain damage over time).
>> >
>> >I cant (officialy) mentor you as I'm short of time and have no
>> >scientific background or something, but I will try to give you all
>> >infeormation/code and support I have... Its good to hear that someone
>> >starts taking over some work! :) Just drop me an email. I may be
>> >in irc from time to time too but dont count on it.
>> >
>> >--
>> >cinap
>>
>>
>
>>
>> If nothing else in linuxemu can make a GSoc project, I would like to give
>> NTPL a try.
>>
>> Is NTPL the same thing as NPTL, and everyone is just repeatedly spelling
> their acronyms incorrectly?
>
>
>
>>
>> Now I wonder how does Linuxemu work? I guess it parses the linux binary
>> and whenever
>> encounter a system call, emulate using Plan 9's function. I haven't dig
>> into the source
>> code, just guess.
>>
>>
>>
>> ------------------------------
>> 网易邮箱，中国第一大电子邮件服务商 <http://www.yeah.net>
>
prev parent reply other threads:[~2009-03-26 20:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 13:54 Zhao Shuai
2009-03-25 14:38 ` Anthony Sorace
2009-03-25 14:59 ` cinap_lenrek
2009-03-26 13:57 ` Zhao Shuai
2009-03-26 14:25 ` David Leimbach
2009-03-26 20:53 ` Sebastian A. Liem [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=859bc0e00903261353g73e30fdcm61376527b27aeff6@mail.gmail.com \
--to=sebastian.liem@gmail.com \
--cc=9fans@9fans.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).