On 06/12/2014 10:23 PM, Andy Lutomirski wrote:
>
> As far as I know, there's no reliable way to just read the dynsym
> table -- the thing doesn't have a specified length, which is what
> broke Go in the first place.
>
Ah yes, you're right.
>
> Parsing the ELF dynamic tables is kind of annoyingly complicated, and
> understanding the format is a real PITA -- the documentation I've been
> able to find is outright terrible.
>
Yes... not entirely clear that putting it in the vdso is a net win,
though. There are some people who would like to put a significant chunk
of libc in the vdso, and it just doesn't seem like a good idea.
An index table is somewhat more reasonable, but (a) not backwards
compatible (so wouldn't work with older kernels) and (b) has shades of
Windows...
-hpa
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