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[Bug translator/13784] Cannot find a defining variable location in different CU
- From: "mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Mon, 12 Mar 2012 12:19:36 +0000
- Subject: [Bug translator/13784] Cannot find a defining variable location in different CU
- Auto-submitted: auto-generated
- References: <bug-13784-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13784
Mark Wielaard <mjw at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #2 from Mark Wielaard <mjw at redhat dot com> 2012-03-12 12:19:36 UTC ---
commit 179a00c3efb5ceac52a70debb17a91ee0c07722d
Author: Mark Wielaard <mjw@redhat.com>
Date: Mon Mar 12 13:00:40 2012 +0100
Document new @var construct in NEWS, langref, beginners and stapprobes.
commit acf4b3b10e9d70cbf8a0a681ae3c17c9681bdfbe
Author: Mark Wielaard <mjw@redhat.com>
Date: Sat Mar 10 19:15:35 2012 +0100
global_var_kernel.exp: tz_minuteswest can be negative.
commit 3965e105b73e196ec4f9b15c0b192c59bb14a2f8
Author: Mark Wielaard <mjw@redhat.com>
Date: Fri Mar 9 15:57:31 2012 +0100
Global vars don't need (cannot use) frame base in location descriptor.
And so they also don't need cfa_ops (CFI) to calculate the frame base.
commit 3d9381fc814162b914288d45ff52017bf0a83fb4
Author: Mark Wielaard <mjw@redhat.com>
Date: Fri Mar 9 15:19:12 2012 +0100
Update verbose log and semantic exception messages for local vs global
vars.
Global @vars (with @cu/src_name.c) have a fixed scope/CU and don't depend
on location/PC. Make that clean in verbose log and semantic error messages.
commit 8fa5f2719e4ec115486e69364e110a5048c7dfd7
Author: Mark Wielaard <mjw@redhat.com>
Date: Fri Mar 9 00:10:52 2012 +0100
Cannot use @var DWARF variables in tracepoints, warn, but don't crash.
commit 49131a6df3a031f0011256cfa33130afc63c001c
Author: Mark Wielaard <mjw@redhat.com>
Date: Thu Mar 8 23:32:49 2012 +0100
Make sure @var works for process.mark probes.
commit 54e9f0623713e7f32c9870baad5a5d5c06c2fd22
Author: Mark Wielaard <mjw@redhat.com>
Date: Thu Mar 8 15:20:08 2012 +0100
Select most specific CU srcfile that matches @var("var@src") specification.
dwarf_var_expanding_visitor::getcuscope: If there is a perfect match
select that CU, otherwise, select the CU srcfile that is most specific
(matching path/src file lenght is shortest).
commit bfa7e523ab8cd891a2a3f24c1540021665947b5d
Author: Mark Wielaard <mjw@redhat.com>
Date: Wed Mar 7 19:58:12 2012 +0100
PR13784 Allow defining a diffent CU source in @var.
Add cu_name to struct target_symbol. Set it in parse_target_symbol
to the string after @ in @var("somevar@some/src/file.c"). Make
target_symbol::sym_name() aware of @cu_name postfix (don't return it).
Add dwarf_var_expanding_visitor::getcuscope() which figures out the
CU DIE to use as scope if target_symbol has cu_name part. Extend
global_var.exp test to show new capability.
commit cc9001af0a5fa811ddf0e44439c7cddf465db945
Author: Mark Wielaard <mjw@redhat.com>
Date: Tue Mar 6 17:34:36 2012 +0100
Introduce @var("varname") as alternative syntax for $varname.
Adds a field target_name and a method sym_name() to struct target_symbol
to be used by the parser and tapsets translator so $name and @var("name")
can be used interchanably. Adds a testcase at_var.exp to test this for
various combinations of uprobes, kprobes, parameters, variables, arrays,
fields access, pretty printing and taking addresses.
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