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xen-ppc-devel
Re: [XenPPC] Re: [Xen-devel] Re: [patch] make ELF functions static
On Aug 30, 2006, at 5:06 AM, Ian Campbell wrote:
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 ;-)
Ok now that we have established the "compile twice" strategy, then
why don't we stick them in a new file called elfnote.c and keep them
global?
Can we do the same for tools/libxc/xc_load_elf.c as well since its on
my todo list to get that building twice too :)
-JX
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