[Bug translator/10407] New: More accurate libdwfl/dw error reporting

[mjw at redhat dot com]

In a couple of places systemtap unconditionally calls dwfl_errmsg(-1) or
dwarf_errmsg(-1), see for example dwarf_wrapper dwfl/dwarf_assert(). It would be
more accurate to distinguish the "failure" case (dwfl_errno() == 0) and the
"error" case (dwfl/dwarf_errno() != 0) when a call or assertion fails.

See also this discussion:
https://fedorahosted.org/pipermail/elfutils-devel/2009-July/000472.html

-- 
           Summary: More accurate libdwfl/dw error reporting
           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=10407

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