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gdb: File Caching

 
 18.2 File Caching
 =================
 
 To speed up file loading, and reduce memory usage, GDB will reuse the
 'bfd' objects used to track open files.  BFD (bfd)Top.  The
 following commands allow visibility and control of the caching behavior.
 
 'maint info bfds'
      This prints information about each 'bfd' object that is known to
      GDB.
 
 'maint set bfd-sharing'
 'maint show bfd-sharing'
      Control whether 'bfd' objects can be shared.  When sharing is
      enabled GDB reuses already open 'bfd' objects rather than reopening
      the same file.  Turning sharing off does not cause already shared
      'bfd' objects to be unshared, but all future files that are opened
      will create a new 'bfd' object.  Similarly, re-enabling sharing
      does not cause multiple existing 'bfd' objects to be collapsed into
      a single shared 'bfd' object.
 
 'set debug bfd-cache LEVEL'
      Turns on debugging of the bfd cache, setting the level to LEVEL.
 
 'show debug bfd-cache'
      Show the current debugging level of the bfd cache.
 

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