RTEMS | Runtime symbols loading is broken (#5236)

[Chris Johns (@chris)]

Chris Johns created an issue: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5236

Assignee: Chris Johns

## Summary

Run time symbol loading from an object file is broken. The change to track dependencies added support to check the origin of a symbol to track dependencies. Runtime loading of symbols requires the symbol `rtems_rtl_base_sym_global_add` be in the symbol table. Loading an symbol object file causes a constrictor attribute function to be run and that calls `rtems_rtl_base_sym_global_add` adding the base image global symbols. Currently attempting to load a symbol object file results in an unresolved external to `rtems_rtl_base_sym_global_add` because the symbols is inserted into the global symbol table and not added to the base image's global symbols.

Also `rtems-syms` does not correctly export the needed TLS data.

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View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5236
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