Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755951Ab3J1JiW (ORCPT ); Mon, 28 Oct 2013 05:38:22 -0400 Received: from david.siemens.de ([192.35.17.14]:15580 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754797Ab3J1JiS (ORCPT ); Mon, 28 Oct 2013 05:38:18 -0400 From: Jan Kiszka To: Andrew Morton , linux-kernel@vger.kernel.org Cc: Jason Wessel , kgdb-bugreport@lists.sourceforge.net, Andi Kleen , Tom Tromey , Ben Widawsky , Borislav Petkov , Tatiana Al-Chueyr Martins Subject: [PATCH v6 08/21] scripts/gdb: Add internal helper and convenience function to look up a module Date: Mon, 28 Oct 2013 09:58:45 +0100 Message-Id: X-Mailer: git-send-email 1.8.1.1.298.ge7eed54 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: 1998 Lines: 63 Add the internal helper get_module_by_name to obtain the module structure corresponding to the given name. Also export this service as a convenience function. Signed-off-by: Jan Kiszka --- scripts/gdb/linux/modules.py | 28 ++++++++++++++++++++++++++++ scripts/gdb/vmlinux-gdb.py | 1 + 2 files changed, 29 insertions(+) diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py index 8a65c3d..531f763 100644 --- a/scripts/gdb/linux/modules.py +++ b/scripts/gdb/linux/modules.py @@ -37,3 +37,31 @@ class ModuleList: return utils.container_of(entry, self.module_ptr_type, "list") else: raise StopIteration + + +def find_module_by_name(name): + for module in ModuleList(): + if module['name'].string() == name: + return module + return None + + +class LxModule(gdb.Function): + """Find module by name and return the module variable. + +$lx_module("MODULE"): Given the name MODULE, iterate over all loaded modules +of the target and return that module variable which MODULE matches.""" + + def __init__(self): + super(LxModule, self).__init__("lx_module") + + def invoke(self, mod_name): + mod_name = mod_name.string() + module = find_module_by_name(mod_name) + if module: + return module.dereference() + else: + raise gdb.GdbError("Unable to find MODULE " + mod_name) + + +LxModule() diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py index 0b0faa4..cf2e716 100644 --- a/scripts/gdb/vmlinux-gdb.py +++ b/scripts/gdb/vmlinux-gdb.py @@ -24,3 +24,4 @@ except: else: import linux.utils import linux.symbols + import linux.modules -- 1.8.1.1.298.ge7eed54 -- 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/