2 files changed, 65 insertions, 0 deletions
diff --git a/findoops.sh b/findoops.sh
new file mode 100755
index 0000000..2d18c33
--- /dev/null
+++ b/findoops.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Copyright (c) 2014 Intel Corporation
+# Author: Mika Kuoppala <mika.kuoppala@intel.com>
+
+if [ $# -ne 1 ]] ; then
+    echo "usage: $0 <function+offset>"
+    exit
+fi
+
+gdb -x ./oops2line.py -ex "oops2line $1" -ex quit
diff --git a/oops2line.py b/oops2line.py
new file mode 100644
index 0000000..c6c8f57
--- /dev/null
+++ b/oops2line.py
@@ -0,0 +1,54 @@
+# Copyright (c) 2014 Intel Corporation
+# Author: Mika Kuoppala <mika.kuoppala@intel.com>
+
+import sys
+import gdb
+
+def print(message):
+    sys.stderr.write("%s\n" % message);
+    sys.stderr.flush()
+
+
+def read_section(module_name, sec):
+    f = open("/sys/module/" + module_name + "/sections/." + sec);
+    return f.readline().rstrip()
+
+def add_module(module_root, module_path, module_name):
+    gdb.execute( "add-symbol-file " + module_root + module_path + module_name +
+                 ".ko " + read_section(module_name, "text") +
+                 " -s .data " + read_section(module_name, "data") +
+                 " -s .bss " + read_section(module_name, "bss") );
+
+def find_kernel_version():
+    with open ("/proc/version", 'r') as f:
+        line = f.read()
+        return line.split(" ")[2]
+
+def find_kernel():
+    return '/boot/vmlinuz-' + str(find_kernel_version())
+
+def find_module_root():
+    return '/lib/modules/' + str(find_kernel_version() + '/kernel/')
+
+class PrintOops(gdb.Command):
+    """print oops2line:
+    Translate IP in kernel oops to a file/line"""
+
+    def __init__(self):
+        super (PrintOops, self).__init__("oops2line", gdb.COMMAND_USER)
+
+    def invoke(self, arg, from_tty):
+        arg_list = gdb.string_to_argv(arg)
+        if len(arg_list) < 1:
+            print("usage: oops2line <function+offset>")
+            return
+
+        print("Searching for %s" % arg_list[0])
+        print("Kernel:  " + find_kernel())
+        print("Modules: " + find_module_root())
+        add_module(find_module_root(), "drivers/gpu/drm/i915/", "i915");
+        add_module(find_module_root(), "drivers/gpu/drm/", "drm");
+
+        gdb.execute('l *' + arg_list[0])
+
+PrintOops()