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[Bug translator/10454] Raw number statement probes won't work without dwarf info
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 28 Jul 2009 19:34:27 -0000
- Subject: [Bug translator/10454] Raw number statement probes won't work without dwarf info
- References: <20090728133231.10454.mjw@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From jistone at redhat dot com 2009-07-28 19:34 -------
(In reply to comment #1)
> There is an oddity that I don't understand with this code (when it does work).
> It looks like if a probe containing a statement_num does have dwarf info then it
> gets registered through query_func_info (i->entrypc, *i, q); which calls
> query_statement() as follows:
I think the problem is in the conditional before that, which says:
if (q->has_statement_str)
query_statement (i->name, i->decl_file,
lineno, // NB: not q->line !
&(i->die), addr, q);
else
query_func_info (i->entrypc, *i, q);
We really want the first case for has_statement_num too. The else case is for
function probes, where we want to clamp the address up to the function entry.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10454
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