[GDBserver]: Silence exits if GDB is connected through stdio.
If we make gdbserver gdb_continue_to_end actually expect a process exit with GDBserver, we get many testsuite failures with the remote stdio board: -PASS: gdb.arch/amd64-disp-step.exp: continue until exit at amd64-disp-step +FAIL: gdb.arch/amd64-disp-step.exp: continue until exit at amd64-disp-step (the program exited) -PASS: gdb.base/break.exp: continue until exit at recursive next test +FAIL: gdb.base/break.exp: continue until exit at recursive next test (the program exited) -PASS: gdb.base/chng-syms.exp: continue until exit at breakpoint first time through +FAIL: gdb.base/chng-syms.exp: continue until exit at breakpoint first time through (the program exited) ... etc. ... This is what the log shows for all of them: (gdb) continue Continuing. Child exited with status 0 GDBserver exiting [Inferior 1 (process 22721) exited normally] (gdb) FAIL: gdb.arch/amd64-disp-step.exp: continue until exit (the program exited) The problem is the whole "Child exited ... GDBserver exiting" output, that comes out of GDBserver, and that the testsuite is not expecting. I pondered somehow making the testsuite adjust to this. But, testsuite aside, I think GDBserver should not be outputting this at all when GDB is connected through stdio. GDBserver will be printing this in GDB's console, but the user can already tell from the regular output that the inferior is gone. Again, manually: (gdb) tar remote | ./gdbserver/gdbserver - program Remote debugging using | ./gdbserver/gdbserver - program Process program created; pid = 22486 stdin/stdout redirected Remote debugging using stdio done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 0x000000323d001530 in _start () from /lib64/ld-linux-x86-64.so.2 (gdb) c Continuing. Child exited with status 1 ^^^^^^^^^^^^^^^^^^^^^^^^^^ GDBserver exiting ^^^^^^^^^^^^^^^^^ [Inferior 1 (process 22486) exited with code 01] (gdb) Suppressing those two lines makes the output be exactly like when debugging against a remote tcp gdbserver: (gdb) c Continuing. [Inferior 1 (process 22914) exited with code 01] (gdb) 2013-10-02 Pedro Alves <palves@redhat.com> * server.c (process_serial_event): Don't output "GDBserver exiting" if GDB is connected through stdio. * target.c (mywait): Likewise, be silent if GDB is connected through stdio.
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3 changed files with 27 additions and 8 deletions
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@ -1,3 +1,10 @@
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2013-10-02 Pedro Alves <palves@redhat.com>
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* server.c (process_serial_event): Don't output "GDBserver
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exiting" if GDB is connected through stdio.
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* target.c (mywait): Likewise, be silent if GDB is connected
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through stdio.
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2013-10-01 Joel Brobecker <brobecker@adacore.com>
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* lynx-low.c (lynx_add_threads_after_attach): New function.
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@ -3550,7 +3550,10 @@ process_serial_event (void)
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the whole vStopped list (until it gets an OK). */
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if (QUEUE_is_empty (notif_event_p, notif_stop.queue))
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{
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fprintf (stderr, "GDBserver exiting\n");
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/* Be transparent when GDB is connected through stdio -- no
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need to spam GDB's console. */
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if (!remote_connection_is_stdio ())
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fprintf (stderr, "GDBserver exiting\n");
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remote_close ();
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exit (0);
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}
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@ -82,13 +82,22 @@ mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
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ret = (*the_target->wait) (ptid, ourstatus, options);
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if (ourstatus->kind == TARGET_WAITKIND_EXITED)
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fprintf (stderr,
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"\nChild exited with status %d\n", ourstatus->value.integer);
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else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
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fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
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gdb_signal_to_host (ourstatus->value.sig),
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gdb_signal_to_name (ourstatus->value.sig));
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/* If GDB is connected through TCP/serial, then GDBserver will most
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probably be running on its own terminal/console, so it's nice to
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print there why is GDBserver exiting. If however, GDB is
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connected through stdio, then there's no need to spam the GDB
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console with this -- the user will already see the exit through
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regular GDB output, in that same terminal. */
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if (!remote_connection_is_stdio ())
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{
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if (ourstatus->kind == TARGET_WAITKIND_EXITED)
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fprintf (stderr,
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"\nChild exited with status %d\n", ourstatus->value.integer);
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else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
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fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
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gdb_signal_to_host (ourstatus->value.sig),
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gdb_signal_to_name (ourstatus->value.sig));
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}
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if (connected_wait)
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server_waiting = 0;
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