On Mon, Nov 26, 2012 at 11:55:01PM +1100, Amnon Shiloh wrote:
>
> You could of course keep that old code and modify only the very
> first instruction of each routine into a jump instruction, but then
> the code to which the process returns may not be compatible with
> the new kernel and/or hardware configuration.
For sure there will be some limitations but I fear we can't do
that much with it. I don't expect the regular program to use
sigreturn for jumping into vdso code, but I could be wrong.
Cyrill
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