Re: [x86 setup 16/33] String-handling functions for the new x86 setupcode.

From: H. Peter Anvin
Date: Tue Jul 10 2007 - 16:48:23 EST


Segher Boessenkool wrote:
>> Nope. The builtins not only vary between gcc versions, but they also
>> have a nasty tendency to generate calls to library functions, sometimes
>> libgcc functions. Hence -ffreestanding.
>
> -ffreestanding will still generate calls to libgcc functions.
> -ffreestanding doesn't disable _all_ of the C library, either.
>

No, it doesn't, but it does inhibit builtin functions, and so provides a
bit more ABI stability.

-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/