[Bug translator/10417] New: Support DW_OP_{implicit,stack}_value

["mjw at redhat dot com" <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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