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[Bug translator/10417] New: Support DW_OP_{implicit,stack}_value
- From: "mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 20 Jul 2009 15:31:55 -0000
- Subject: [Bug translator/10417] New: Support DW_OP_{implicit,stack}_value
- Reply-to: sourceware-bugzilla at sourceware dot org
The Dwarf 4 spec defines two new dwarf expression operators,
DW_OP_implicit_value and DW_OP_stack_value, that can be used to define a
(constant) value of an expression not present in memory. The gcc vta branch
already emits these.
Dwarf 4 (draft) spec:
http://www.dwarfstd.org/doc/
GCC patch that implemented this:
http://gcc.gnu.org/ml/gcc-patches/2009-06/msg00898.html
Elfutils discussion on libdw support for this:
https://fedorahosted.org/pipermail/elfutils-devel/2009-July/000487.html
gcc vta branch:
http://gcc.gnu.org/wiki/Var_Tracking_Assignments
svn co svn://gcc.gnu.org/svn/gcc/branches/var-tracking-assignments-branch gcc-vta
--
Summary: Support DW_OP_{implicit,stack}_value
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: translator
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: mjw at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=10417
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