Messages in this thread Patch in this message |  | | From | Jan Kiszka <> | Subject | [PATCH v5 15/20] scripts/gdb: Add get_gdbserver_type helper | Date | Tue, 29 Jan 2013 13:37:58 +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/utils.py | 35 +++++++++++++++++++++++++++++++++++ 1 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/scripts/gdb/utils.py b/scripts/gdb/utils.py index bcf4278..d381f63 100644 --- a/scripts/gdb/utils.py +++ b/scripts/gdb/utils.py @@ -121,3 +121,38 @@ def is_target_arch(arch): if target_arch == None: target_arch = gdb.execute("show architecture", False, True) return target_arch.find(arch) >= 0 + + +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", False, + True) != "" + except: + return False + + def probe_kgdb(): + try: + thread_info = gdb.execute("info thread 2", False, True) + return thread_info.find("shadowCPU0") >= 0 + except: + return False + + global gdbserver_type + if gdbserver_type == None: + if probe_qemu(): + gdbserver_type = GDBSERVER_QEMU + elif probe_kgdb(): + gdbserver_type = GDBSERVER_KGDB + if gdbserver_type != None: + gdb.events.exited.connect(exit_handler) + return gdbserver_type -- 1.7.3.4
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