Re: [PATCH 04/10] module: make MODULE_SYMBOL_PREFIX into a CONFIG option

From: Paul Mundt
Date: Tue Nov 03 2009 - 09:08:18 EST

On Tue, Nov 03, 2009 at 08:58:49AM -0500, Mike Frysinger wrote:
> On Tue, Nov 3, 2009 at 08:46, Paul Mundt wrote:
> > The other thing you seem to have ignored is that pretty much everyone has
> > such a system, it's only crippled platforms like blackfin and h8300 that
> > don't support toolchains without the prefix.
> "cripple" is exactly the right word. why in the world do you want to
> cripple people that dont need it ? attempting to support busted
> toolchains by forcing even more symbol prefix crap throughout an arch
> makes no sense at all. use the -fno-leading-underscore gcc option if
> you want to re-use a non-standard symbol prefixed elf compiler to
> build an arch.

My main consideration is for some SH-2 compilers where only bare metal
targets exist which could theoretically be used for the kernel, too. I've
avoided tying them in precisely because there wasn't a very clean way to
support the prefixed and non-prefixed case dynamically.

On the other hand, in those cases I don't think anyone actually cares
about the ABI, so having gcc not emit the prefix in the first place could
be a valid alternative, I'll give that a try, as that would simplify
things a fair bit.
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