[Bug symtab/14108] New: symbase in elf_slurp_symbol_table memorywaste

["dje at google dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14108

             Bug #: 14108
           Summary: symbase in elf_slurp_symbol_table memory waste
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: symtab
        AssignedTo: unassigned@sourceware.org
        ReportedBy: dje@google.com
    Classification: Unclassified


It is not possible for the caller of bfd_canonicalize_symtab to free the
"symbase" object allocated by elf_slurp_symbol_table (bfd/elfcode.h).

The memory isn't wasted per se, it will be freed when the bfd is freed.
However, GDB has no need to keep it (at least for normal syms, there's a
comment in gdb/elfread.c about needing to keep dynamic syms, not sure it's
still valid or if it applies here).  In large apps it can be a significant
waste of memory (e.g. 100's of MB).

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