linux-kernel - [PATCH v5 04/20] scripts/gdb: Add module iteration helper

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Message-Id: <25e00ee43b65bb23478c0e4922eecedf8fde112a.1359463075.git.jan.kiszka@siemens.com>
Date:	Tue, 29 Jan 2013 13:37:47 +0100
From:	Jan Kiszka <jan.kiszka@...mens.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Cc:	Jason Wessel <jason.wessel@...driver.com>,
	kgdb-bugreport@...ts.sourceforge.net,
	Andi Kleen <andi@...stfloor.org>,
	Tom Tromey <tromey@...hat.com>,
	Ben Widawsky <ben@...dawsk.net>, Borislav Petkov <bp@...en8.de>
Subject: [PATCH v5 04/20] scripts/gdb: Add module iteration helper

Will soon be used for loading symbols, printing global variables or
listing modules.

Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
 scripts/gdb/module.py |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
 create mode 100644 scripts/gdb/module.py

diff --git a/scripts/gdb/module.py b/scripts/gdb/module.py
new file mode 100644
index 0000000..01b23df
--- /dev/null
+++ b/scripts/gdb/module.py
@@ -0,0 +1,28 @@
+#
+# gdb helper commands and functions for Linux kernel debugging
+#
+#  module tools
+#
+# Copyright (c) Siemens AG, 2013
+#
+# Authors:
+#  Jan Kiszka <jan.kiszka@...mens.com>
+#
+# This work is licensed under the terms of the GNU GPL version 2.
+#
+
+import gdb
+
+from utils import *
+
+module_type = CachedType("struct module")
+
+def for_each_module(func, arg = None):
+	global module_type
+	module_ptr_type = module_type.get_type().pointer()
+	modules = gdb.parse_and_eval("modules")
+	entry = modules['next']
+	while entry != modules.address:
+		module = container_of(entry, module_ptr_type, "list")
+		func(module, arg)
+		entry = entry['next']
-- 
1.7.3.4

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