Re: vdso_install target broken post-3.15

From: Andy Lutomirski
Date: Tue Jun 17 2014 - 23:46:15 EST


On Tue, Jun 17, 2014 at 3:54 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> Just a heads up: gdb can't debug the vdso on 3.16-rc1. I filed a bug:
>
> https://sourceware.org/bugzilla/show_bug.cgi?id=17064
>
> We may need to extend the fake section header hack to all vdso
> versions and stick the ELF notes in there.

I have a semi-working implementation of a workaround, bit it adds a
fair amount of extra crud to the image, and it's pushing my
configuration past a page boundary. I suspect that, if we're willing
to abuse the ELF format a bit more, I can get the overhead down,
though.

Are we okay with regressing here until binutils gets fixed?

--Andy
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