[Bug translator/20394] inconsistency in exe/library paths searching between @cast() and process.library.function probes

["fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=20394

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
Having a search path in @cast in a function() makes it possible that a mismatch
will exist between the probe (whose $context variable is being passed) and the
@cast (who interprets that pointer).  What you seem to really want is to make
@cast() in a function refer to - match - the context of the probe that invoked
it.  This is kind of what we do already for @cast()s in probe handler bodies.

It's as though we want to specialize the functions invoked from a probe handler
by the probe handler, almost as if they were inlined.  Then syntactic elements
inside the functions (even $vars) could conceivably be resolved in the context
of each probe where those functions are actually called from.

What do you think?

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