[Bug runtime/6437] New: unwinder/backtrace should see through kretprobes_trampolines

["fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

As reported several times, backtraces that involve functions that have .return
probes in their call stack lose the information about the actual caller.
This has not been solved with the new unwinder code but it should.

In the farther future, stack traces through interpreted languages will also
require the unwinder to have hooks to call to other runtime/tapset functions
(e.g., jvm jit cache searching) when stack frames and/or executables need it.

-- 
           Summary: unwinder/backtrace should see through
                    kretprobes_trampolines
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=6437

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