1 files changed, 50 insertions, 9 deletions

diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index 700a7a654a3f..d40449cafa84 100644
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -1,5 +1,7 @@
 #!/usr/bin/perl -w
 
+use File::Basename;
+
 # Copyright 2008, Intel Corporation
 #
 # This file is part of the Linux kernel
@@ -13,23 +15,41 @@
 
 
 my $vmlinux_name = $ARGV[0];
-
+if (!defined($vmlinux_name)) {
+        my $kerver = `uname -r`;
+        chomp($kerver);
+        $vmlinux_name = "/lib/modules/$kerver/build/vmlinux";
+        print "No vmlinux specified, assuming $vmlinux_name\n";
+}
+my $filename = $vmlinux_name;
 #
 # Step 1: Parse the oops to find the EIP value
 #
 
 my $target = "0";
+my $function;
+my $module = "";
+my $func_offset;
+my $vmaoffset = 0;
+
 while (<STDIN>) {
-        if ($_ =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
+        my $line = $_;
+        if ($line =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
                 $target = $1;
         }
-}
+        if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
+                $function = $1;
+                $func_offset = $2;
+        }
 
-if ($target =~ /^f8/) {
-        print "This script does not work on modules ... \n";
-        exit;
+        # check if it's a module
+        if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
+                $module = $3;
+        }
 }
 
+my $decodestart = hex($target) - hex($func_offset);
+my $decodestop = $decodestart + 8192;
 if ($target eq "0") {
         print "No oops found!\n";
         print "Usage: \n";
@@ -37,6 +57,29 @@ if ($target eq "0") {
         exit;
 }
 
+# if it's a module, we need to find the .ko file and calculate a load offset
+if ($module ne "") {
+        my $dir = dirname($filename);
+        $dir = $dir . "/";
+        my $mod = $module . ".ko";
+        my $modulefile = `find $dir -name $mod | head -1`;
+        chomp($modulefile);
+        $filename = $modulefile;
+        if ($filename eq "") {
+                print "Module .ko file for $module not found. Aborting\n";
+                exit;
+        }
+        # ok so we found the module, now we need to calculate the vma offset
+        open(FILE, "objdump -dS $filename |") || die "Cannot start objdump";
+        while (<FILE>) {
+                if ($_ =~ /^([0-9a-f]+) \<$function\>\:/) {
+                        my $fu = $1;
+                        $vmaoffset = hex($target) - hex($fu) - hex($func_offset);
+                }
+        }
+        close(FILE);
+}
+
 my $counter = 0;
 my $state   = 0;
 my $center  = 0;
@@ -59,9 +102,7 @@ sub InRange {
 # first, parse the input into the lines array, but to keep size down,
 # we only do this for 4Kb around the sweet spot
 
-my $filename;
-
-open(FILE, "objdump -dS $vmlinux_name |") || die "Cannot start objdump";
+open(FILE, "objdump -dS --adjust-vma=$vmaoffset --start-address=$decodestart --stop-address=$decodestop $filename |") || die "Cannot start objdump";
 
 while (<FILE>) {
         my $line = $_;