[Bug runtime/14490] New: Enable stapdyn in multiarch environments

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

http://sourceware.org/bugzilla/show_bug.cgi?id=14490

             Bug #: 14490
           Summary: Enable stapdyn in multiarch environments
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap@sourceware.org
        ReportedBy: jistone@redhat.com
            Blocks: 14178
    Classification: Unclassified


Right now, stapdyn and Dyninst itself are not well equipped to deal with
multiarch environments.  For one, Dyninst uses a single DYNINSTAPI_RT_LIB
environment variable, so it's not possible to set that differently for separate
target processes.  Then stap is currently only generating a native shared
library, but it might need to compile with flags like -m32 to be loaded in the
target.  And further, if PR14489 does have stapdyn dlopen the library, that
requires stapdyn to match architectures too.

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