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The XCOFF Object File Format

   The IBM RS/6000 running AIX uses an object file format called xcoff.
The COFF sections, symbols, and line numbers are used, but debugging
symbols are dbx-style stabs whose strings are located in the `.debug'
section (rather than the string table).  For more information, *Note
Top: (stabs)Top, and search for XCOFF.

   The shared library scheme has a nice clean interface for figuring out
what shared libraries are in use, but the catch is that everything which
refers to addresses (symbol tables and breakpoints at least) needs to be
relocated for both shared libraries and the main executable.  At least
using the standard mechanism this can only be done once the program has
been run (or the core file has been read).

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