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gdbstub: send a termination packet instead of crashing gdb

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Since the commit:
commit 4486e89c21
Author: Stefan Hajnoczi <stefanha@redhat.com>
Date:   Wed Mar 7 14:42:05 2018 +0000

    vl: introduce vm_shutdown()

GDB crashes when qemu exits (at least on sparc-softmmu):
Remote communication error.  Target disconnected.: Connection reset by peer.
Quitting: putpkt: write failed: Broken pipe.

So send a packet to exit GDB before we exit QEMU:
[Inferior 1 (Thread 0) exited normally]

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: KONRAD Frederic <frederic.konrad@adacore.com>
Message-id: 1521538773-30802-1-git-send-email-frederic.konrad@adacore.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
KONRAD Frederic 2018-03-20 10:39:33 +01:00 • committed by Peter Maydell
parent f55e88f2ab
commit 1bb982b8fc
3 changed files with 11 additions and 0 deletions
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7
gdbstub.c
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@ -2052,6 +2052,13 @@ int gdbserver_start(const char *device)
return 0;
}
void gdbserver_cleanup(void)
{
if (gdbserver_state) {
put_packet(gdbserver_state, "W00");
}
}
static void register_types(void)
{
type_register_static(&char_gdb_type_info);