[PATCH 3/4] change probes to be program-space-independent

[Gary Benson]

Tom Tromey wrote:
> This changes the probes to be independent of the program space.
> 
> After this, when a probe's address is needed, it is determined by
> applying offsets at the point of use.
> 
> This introduces a bound_probe object, similar to bound minimal
> symbols.  Objects of this type are used when it's necessary to pass a
> probe and its corresponding objfile.
> 
> This removes the backlink from probe to objfile, which was primarily
> used to fetch the architecture to use.
> 
> This adds a get_probe_address function which calls a probe method to
> compute the probe's relocated address.  Similarly, it adds an objfile
> parameter to the semaphore methods so they can do the relocation
> properly as well.

I haven't looked at the whole patch, but the solib-svr4.c bits look
good.  Thanks for doing this work Tom.

Cheers,
Gary

-- 
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