[Bug gdb/21985] New: set inferior-tty doesn't work for remote or sim targets

["jon at beniston dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=21985

            Bug ID: 21985
           Summary: set inferior-tty doesn't work for remote or sim
                    targets
           Product: gdb
           Version: HEAD
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: jon at beniston dot com
  Target Milestone: ---

Created attachment 10356
  --> https://sourceware.org/bugzilla/attachment.cgi?id=10356&action=edit
Potential fix

The set inferior-tty command doesn't work for remote or sim targets. (That is,
remote targets using remote-fileio to have the IO appear on the debug host).

This is a shame as Eclipse (and potentially other front-ends) use this command
to separate the windows used for target IO and the gdb console. This therefore
doesn't currently work for remote and sim targets.

The attached patch adds support for this command in remote-fileio.c and
remote-sim.c. Reads/writes from/to stdin/stdout are redirected to the tty.

This may not be the idea way to implement this within GDB, but it does get it
working with Eclipse.

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