Messages in this thread Patch in this message | | | From | Jan Kiszka <> | Subject | [PATCH v7 16/21] scripts/gdb: Add get_gdbserver_type helper | Date | Tue, 12 Nov 2013 08:14:34 +0100 |
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This helper probes the type of the gdb server. Supported are QEMU and KGDB so far. Knowledge about the gdb server is required e.g. to retrieve the current CPU or current task.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> --- scripts/gdb/linux/utils.py | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py index 71ee48c..a4a1640 100644 --- a/scripts/gdb/linux/utils.py +++ b/scripts/gdb/linux/utils.py @@ -119,3 +119,38 @@ def is_target_arch(arch): if target_arch is None: target_arch = gdb.execute("show architecture", to_string=True) return arch in target_arch + + +GDBSERVER_QEMU = 0 +GDBSERVER_KGDB = 1 +gdbserver_type = None + + +def get_gdbserver_type(): + def exit_handler(event): + global gdbserver_type + gdbserver_type = None + gdb.events.exited.disconnect(exit_handler) + + def probe_qemu(): + try: + return gdb.execute("monitor info version", to_string=True) != "" + except: + return False + + def probe_kgdb(): + try: + thread_info = gdb.execute("info thread 2", to_string=True) + return "shadowCPU0" in thread_info + except: + return False + + global gdbserver_type + if gdbserver_type is None: + if probe_qemu(): + gdbserver_type = GDBSERVER_QEMU + elif probe_kgdb(): + gdbserver_type = GDBSERVER_KGDB + if not gdbserver_type is None and hasattr(gdb, 'events'): + gdb.events.exited.connect(exit_handler) + return gdbserver_type -- 1.8.1.1.298.ge7eed54
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