Re: vdso feature requests from the Go people

From: H. Peter Anvin
Date: Fri Jun 13 2014 - 01:16:22 EST


On 06/12/2014 09:36 PM, Andy Lutomirski wrote:
>
> If we were to implement both, maybe we'd actually want to provide
> something like:
>
> struct vdso_entry {
> unsigned long vdso_entry_struct_size; /* so we can add fields later on */
> void *func;
> unsigned int max_stack; /* zero if not known */
> };
>

How different is this really from the .dynsym table -- other than that
you have to find the latter via the dynamic segment?

The hash part is just to speed up lookup...

-hpa


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