Re: [Xen-devel] [patch] architecture-specific ELF header checking

[Hollis Blanchard <hollisb@xxxxxxxxxx>]

On Wed, 2006-06-14 at 09:39 +0200, Gerd Hoffmann wrote:
> > For libxc we probably need per-arch subdirectories for arch-specific
> > source files. There's all sorts of intermingled arch-specific code in
> > tools/libxc right now. We could then have arch-specific implementations
> > of xc_elf_check_header() or somesuch in tools/libxc/<arch>, like we do
> > for Xen's domain0 elf-parsing code. That would be cleaner and give more
> > per-arch flexibility.
> 
> btw: for the elf parser it is probably useful to switch around using
> -Dsomething, so one can simply compile the elf loader twice.  We'll need
> something like that in case we'll support both 32bit + 64bit guests in a
> 64bit hypervisor.  With my domain builder rewrite it should be easy to
> do that ;)

I agree. As another example, ppc64 uses both 64-bit vmlinux and 32-bit
zImage.

-- 
Hollis Blanchard
IBM Linux Technology Center


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