In that case, "symbol loader" or "shared library loader" would be more fitting than "loader" which
could be about other domains.
I was also thinking along the lines of LL for either Lib Loader or Library Loader. Or maybe PLL (Platform-independent Library Loader) might be a phonetic option that shows some relationship to DLL but is different enough?
Personally I don't care much about the name of the library in this case because almost all the names evoked here seems fine to me, event the platform-specific evocation ones.
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