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1 | #!/usr/bin/perl -w |
2 | # |
3 | # headers_install prepare the listed header files for use in |
4 | # user space and copy the files to their destination. |
5 | # |
6 | # Usage: headers_install.pl readdir installdir arch [files...] |
7 | # installdir: dir to install the files to |
8 | # arch: current architecture |
9 | # arch is used to force a reinstallation when the arch |
10 | # changes because kbuild then detect a command line change. |
11 | # files: list of files to check |
12 | # |
13 | # Step in preparation for users space: |
14 | # 1) Drop all use of compiler.h definitions |
15 | # 2) Drop include of compiler.h |
16 | # 3) Drop all sections defined out by __KERNEL__ (using unifdef) |
17 | |
18 | use strict; |
19 | |
20 | my ($installdir, $arch, @files) = @ARGV; |
21 | |
22 | my $unifdef = "scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__"; |
23 | |
24 | foreach my $filename (@files) { |
25 | my $file = $filename; |
26 | $file =~ s!^.*/!!; |
27 | |
28 | my $tmpfile = "$installdir/$file.tmp"; |
29 | |
30 | open(my $in, '<', $filename) |
31 | or die "$filename: $!\n"; |
32 | open(my $out, '>', $tmpfile) |
33 | or die "$tmpfile: $!\n"; |
34 | while (my $line = <$in>) { |
35 | $line =~ s/([\s(])__user\s/$1/g; |
36 | $line =~ s/([\s(])__force\s/$1/g; |
37 | $line =~ s/([\s(])__iomem\s/$1/g; |
38 | $line =~ s/\s__attribute_const__\s/ /g; |
39 | $line =~ s/\s__attribute_const__$//g; |
40 | $line =~ s/\b__packed\b/__attribute__((packed))/g; |
41 | $line =~ s/^#include <linux\/compiler.h>//; |
42 | $line =~ s/(^|\s)(inline)\b/$1__$2__/g; |
43 | $line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g; |
44 | $line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g; |
45 | $line =~ s/#ifndef\s+_UAPI/#ifndef /; |
46 | $line =~ s/#define\s+_UAPI/#define /; |
47 | $line =~ s!#endif\s+/[*]\s*_UAPI!#endif /* !; |
48 | printf {$out} "%s", $line; |
49 | } |
50 | close $out; |
51 | close $in; |
52 | |
53 | system $unifdef . " $tmpfile > $installdir/$file"; |
54 | # unifdef will exit 0 on success, and will exit 1 when the |
55 | # file was processed successfully but no changes were made, |
56 | # so abort only when it's higher than that. |
57 | my $e = $? >> 8; |
58 | if ($e > 1) { |
59 | die "$tmpfile: $!\n"; |
60 | } |
61 | unlink $tmpfile; |
62 | } |
63 | exit 0; |
64 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9