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[Bug tapsets/18649] int_arg() misbehaves on x86[_64] for 32-bit uprobe in binary having debuginfo
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Fri, 21 Aug 2015 17:42:23 +0000
- Subject: [Bug tapsets/18649] int_arg() misbehaves on x86[_64] for 32-bit uprobe in binary having debuginfo
- Auto-submitted: auto-generated
- References: <bug-18649-6586 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=18649
--- Comment #13 from Josh Stone <jistone at redhat dot com> ---
ENABLE_PROLOGUES is not quite right. The former true/false values should now
be always/auto to keep the same behavior -- there was no never.
It appears you removed prologues from usage() entirely, instead of adding your
new switch to the output. Why?
The manpage explanation of "auto" is odd: "enable only if possible"? As if
"always" will instead do the impossible? :) The real logic behind auto is a
heuristic for when we think it will be useful, in userspace with low quality
location info. Not sure of a short blurb -- maybe just "enabled by
heuristic".
The staprun.h change doesn't belong at all. I assume that was copying
color_mode, but prologues are only a concern to the translator.
Have you confirmed that --prologue-searching=never solves your original
problem?
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