From: "fche at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug translator/20394] inconsistency in exe/library paths searching between @cast() and process.library.function probes
Date: Thu, 21 Jul 2016 15:06:00 -0000 [thread overview]
Message-ID: <bug-20394-6586-X6UKJOe5lt@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-20394-6586@http.sourceware.org/bugzilla/>
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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next prev parent reply other threads:[~2016-07-21 15:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 14:55 [Bug translator/20394] New: " dsmith at redhat dot com
2016-07-21 15:06 ` fche at redhat dot com [this message]
2016-07-21 15:50 ` [Bug translator/20394] " dsmith at redhat dot com
2020-04-24 20:26 ` fche at redhat dot com
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