Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753399Ab2KEQJj (ORCPT ); Mon, 5 Nov 2012 11:09:39 -0500 Received: from david.siemens.de ([192.35.17.14]:32411 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753019Ab2KEQJ2 (ORCPT ); Mon, 5 Nov 2012 11:09:28 -0500 From: Jan Kiszka To: linux-kernel@vger.kernel.org Cc: Jason Wessel , kgdb-bugreport@lists.sourceforge.net, Andi Kleen Subject: [PATCH 11/13] scripts/gdb: Add get_gdbserver_type helper Date: Mon, 5 Nov 2012 17:09:04 +0100 Message-Id: X-Mailer: git-send-email 1.7.3.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1703 Lines: 60 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 --- 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 31aaf53..ca60187 100644 --- a/scripts/gdb/utils.py +++ b/scripts/gdb/utils.py @@ -97,3 +97,38 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/