Re: [gNewSense-users] Binary blob in Xen patch?

[Sam Geeraerts]

Sam Geeraerts wrote:
> Karl Goetz wrote:
> > diff -Naur ubuntu-hardy/arch/x86/ia32/syscall32_syscall-xen.S
> > ubuntu-hardy-xen/arch/x86/ia32/syscall32_syscall-xen.S
> > --- ubuntu-hardy/arch/x86/ia32/syscall32_syscall-xen.S  1970-01-01
> > 01:00:00.000000000 +0100
> > +++ ubuntu-hardy-xen/arch/x86/ia32/syscall32_syscall-xen.S  2008-04-09
> > 13:17:22.000000000 +0100
> > @@ -0,0 +1,28 @@
> > +/* 32bit VDSOs mapped into user space. */
> > +
> >
> > <trim>
> >
> > +syscall32_int80:
> > +   .incbin "arch/x86/ia32/vsyscall-int80.so"
> > +syscall32_int80_end:
> > +
> > +#endif
> >
> > <trim>
> > Would this '.incbin' make you worry? Its made me wonder if the .so
> > files /are/ accidents.
>
> Damn, I think I did a grep for vsyscall_int80 earlier. Anyway, the diff 
> for the Makefile above that looks like it adds "int80" to a list and 
> then builds some libraries. I think this is where the file gets built, 
> but I'll have to check that more thoroughly.

After a bit more digging through make's manual and some grepping I can 
say with a fair amount of confidence that vsyscall-int80.so and 
vsyscall-int80.so.dbg are created by arch/x86/ia32/Makefile. Freedom!

Thanks for the help, Karl.