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xen-ppc-devel
Re: [Xen-devel] Re: [patch] make ELF functions static
On Wed, 2006-08-30 at 09:38 +0100, Jan Beulich wrote:
> >>> Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> 30.08.06 09:03 >>>
> >On Tue, 2006-08-29 at 16:15 -0500, Hollis Blanchard wrote:
> >> Hi Ian, these functions should be static. It would only be a style issue
> >> except PowerPC actually #includes elf.c twice, to support both 32- and
> >> 64-bit ELF binaries. Please apply.
> >
> >Unfortunately they are referenced from outside this file
> >(xen/arch/x86/domain_build.c).
> >
> >I'm not sure what a good short term fix for you would be. Perhaps some
> >preprocessor/CFLAGS magic to name them xen_elfnote32_foo and
> >xen_elfnote64_foo when compiling powerpc?
> >
> >Hopefully long term the 32-on-64 work that is going on will lead to ELF
> >code which doesn't need to be multiply compiled.
>
> Why? It's simpler to compile it twice. I already posted draft patches to
> do this, simply introducing an elf32.c that #define-s the relevant
> symbols to alternative names and that only gets compiled when 64-bit
> arches need it for supporting 32-bit binaries.
Fair enough. I should probably have said something like "solves the
problem cleanly for everyone" rather than speculating about how we would
go about it ;-)
Ian.
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