[Bug gdb/12605] New: JIT registration protocol: memory usage

["sphink at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12605

           Summary: JIT registration protocol: memory usage
           Product: gdb
           Version: archer
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
        AssignedTo: unassigned@sourceware.org
        ReportedBy: sphink@gmail.com


The JIT code registration protocol makes it possible to register while gdb is
not attached to an inferior, and then when gdb attaches, it will crawl through
the backlog of registration requests. However, there is no notification to the
inferior that something has been successfully registered. As a result, those
registration entries cannot be freed, nor can the ELF objects they point to.
The registration entries are small enough to not worry about, but it bothers me
to have to hang onto thousands of ELF objects after the relevant information
has already been copied over and is in gdb's data structures. Perhaps it's
verboten to write into the inferior's memory, but if gdb set a flag on an entry
to say that it had been registered (or something like that), then I could free
the memory. (As far as I can tell, gdb only uses the address where the object
was to identify it for unregistration. It never needs to access it after
registration.)

-- 
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.