[Bug gdb/12313] New: GDB cannot differentiate symbols of copies ofshared libraries

["avi at checkpoint dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12313

           Summary: GDB cannot differentiate symbols of copies of shared
                    libraries
           Product: gdb
           Version: 7.1
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
        AssignedTo: unassigned@sourceware.org
        ReportedBy: avi@checkpoint.com


There are cases when a program needs to have multiple instances of the same
text residing in different virtual addresses. This is implemented by loading
different copies of the object file using dlopen().

Currently there is no way for GDB to refer to a symbol in a specific copy of
the object file (other then referring to the specific address). 
Addressing this need can be done by supporting the spec:
#<shared object name>#<function>. E.g. "#libfoo.so#function" (DBX supports this
need by qualifying `<shared object name>`<function name>).

Please note that this feature is required not only for defining breakpoints but
for other needs as well such as disassembly, backtrace etc.

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