linux-kernel - Re: Generic syscall ABI support

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Message-Id: <201303291042.52284.arnd@arndb.de>
Date:	Fri, 29 Mar 2013 10:42:52 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Ley Foon Tan <lftan@...era.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Rob Landley <rob@...dley.net>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: Generic syscall ABI support

On Friday 29 March 2013, Ley Foon Tan wrote:
> > 
> Thanks for the suggestion.
> Too bad we don't have in-house expert in klibc and musl port. 
> 
> Hi HPA,
> I knew you are the developer of klibc. Do you have any documentation to
> port a new architecture and also how to replace glibc with klibc in
> build?
> 
> By the way, klibc or musl is easier to port?

I have no experience with musl, but klibc is probably the easiest to
port that you can find. Doing a new port doesn't require any prior
knowledge of klibc itself, the code is so small that any experienced
C programmer can understand it entirely in short time and do a new
port. However, it is also not meant as a general purpose libc or a
glibc replacement, as there is a very limited set of code that can use
it. It's certainly complete enough to test that the ABI itself is
working.

	Arnd
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