vdso handling

Alan Modra amodra@gmail.com
Thu Mar 20 02:00:00 GMT 2014


On Wed, Mar 19, 2014 at 08:29:47AM +0000, Metzger, Markus T wrote:
> Shouldn't the ehdr indicate that there are no sections in this case?

Nope.  See my other email to Pedro.

> If we can't trust the image to contain everything that the ELF header
> describes, would it be safer to generate fake sections based on the
> program header?  We already assume that the program header is
> contained in the image.

Yes, you're correct that it is wrong to assume program headers are
loaded.  Even worse, the in-memory image doesn't even need to contain
the ELF file header.

-- 
Alan Modra
Australia Development Lab, IBM



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