linux-kernel - Re: Mach-O binary format support and Darwin syscall personality [Was: uts banner changes]

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Message-ID: <20061215125335.GB4551@ucw.cz>
Date:	Fri, 15 Dec 2006 12:53:35 +0000
From:	Pavel Machek <pavel@...e.cz>
To:	Kyle Moffett <mrmacman_g4@....com>
Cc:	Linus Torvalds <torvalds@...l.org>,
	LKML Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: Mach-O binary format support and Darwin syscall personality [Was: uts banner changes]

Hi!

> So I guess all I have to do is:
>   (A)  Write a bunch of new syscall handlers taking 
>   arguments of the  same types as the Darwin syscall 
> handlers,
>   (B)  Figure out how to switch tables depending on the 
>   "syscall  personality" of "current"
>   (C)  Figure out how to set the "syscall personality" 
>   of "current"  from my Mach-O binary format module.
> 
> (A) seems fairly straightforward, if unusually tedious 
> and error- prone, but I'm totally in the dark for (B) 
> and (C).  Any help would  be much appreciated.

try strace osx_binary. If syscall interface is similar enough, perhaps
it is possible to do it with ptrace() :-).
							Pavel
-- 
Thanks for all the (sleeping) penguins.
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