Release symbol file

[Andrew Cagney]

>>>>> Thanks, but what about the MI? I can't give switches to e.g
>>>>> -file-exec-and-symbol, can I? I mean, once gdb is started. Or
>>>>> do I have to stop and restart gdb every time?
>>
>>>
>>>--readnow is a global flag.  It turns on the "read now" behavior
>>>on all future calls to symbol_file_add_with_addrs_or_offsets.
>>>
>>>gdb does keep file descriptors open for the target program,
>>>but it ought to have all the symbols in memory after
>>>"expanding to full symbols".
> 
> 
> I'm not concerned about the symbols but about the file access.
> Even when started with "gdb --readnow -i mi" and load a file
> I can't delete that file anymore. As I want to recreate it without
> unloading from gdb I guess I need to make a copy then.

How recent is your GDB?  Jerome Guitton (2004-08-10) modified GDB so 
that it would always close these object files.

Andrew