Jamie Lokier wrote:
>
> Dynamic binaries or libraries can use the indirect call or relocate
> the calls at load time, or if they _really_ want a magic page at a
> position relative to the library, they can just _copy_ the magic page
> from 0xfffe0000. It is not all that magic.
>
That would make it impossible for the kernel to have kernel-controlled
data on that page|other page though...
I personally would like to see some better interface than mmap()
/proc/self/mem in order to alias pages, anyway. We could use a
MAP_ALIAS flag in mmap() for this (where the fd would be ignored, but
the offset would matter.)
-hpa
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This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:24 EST