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1 | #!/usr/bin/perl |
2 | |
3 | # Copyright © 2009 IBM Corporation |
4 | |
5 | # This program is free software; you can redistribute it and/or |
6 | # modify it under the terms of the GNU General Public License |
7 | # as published by the Free Software Foundation; either version |
8 | # 2 of the License, or (at your option) any later version. |
9 | |
10 | # This script checks the relcoations of a vmlinux for "suspicious" |
11 | # relocations. |
12 | |
13 | use strict; |
14 | use warnings; |
15 | |
16 | if ($#ARGV != 1) { |
17 | die "$0 [path to objdump] [path to vmlinux]\n"; |
18 | } |
19 | |
20 | # Have Kbuild supply the path to objdump so we handle cross compilation. |
21 | my $objdump = shift; |
22 | my $vmlinux = shift; |
23 | my $bad_relocs_count = 0; |
24 | my $bad_relocs = ""; |
25 | my $old_binutils = 0; |
26 | |
27 | open(FD, "$objdump -R $vmlinux|") or die; |
28 | while (<FD>) { |
29 | study $_; |
30 | |
31 | # Only look at relcoation lines. |
32 | next if (!/\s+R_/); |
33 | |
34 | # These relocations are okay |
35 | next if (/R_PPC64_RELATIVE/ or /R_PPC64_NONE/ or |
36 | /R_PPC64_ADDR64\s+mach_/); |
37 | |
38 | # If we see this type of relcoation it's an idication that |
39 | # we /may/ be using an old version of binutils. |
40 | if (/R_PPC64_UADDR64/) { |
41 | $old_binutils++; |
42 | } |
43 | |
44 | $bad_relocs_count++; |
45 | $bad_relocs .= $_; |
46 | } |
47 | |
48 | if ($bad_relocs_count) { |
49 | print "WARNING: $bad_relocs_count bad relocations\n"; |
50 | print $bad_relocs; |
51 | } |
52 | |
53 | if ($old_binutils) { |
54 | print "WARNING: You need at binutils >= 2.19 to build a ". |
55 | "CONFIG_RELCOATABLE kernel\n"; |
56 | } |
57 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
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jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
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jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9