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[Bug runtime/16663] New: Provide synthetic pt_regs context for backtracing


https://sourceware.org/bugzilla/show_bug.cgi?id=16663

            Bug ID: 16663
           Summary: Provide synthetic pt_regs context for backtracing
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: lberk at redhat dot com

As a progression from PR6961, there are times where having access to the
current pt_regs is needed for backtracing, though not provided through any
official mechanism.  It would be useful to provide synthetic pt_regs with
values from the current registers.  One such case is attempting to backtrace
though the current(invoking) module.

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