Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/usr/bin/perl -w
2#
3# headers_check.pl execute a number of trivial consistency checks
4#
5# Usage: headers_check.pl dir [files...]
6# dir: dir to look for included files
7# arch: architecture
8# files: list of files to check
9#
10# The script reads the supplied files line by line and:
11#
12# 1) for each include statement it checks if the
13# included file actually exists.
14# Only include files located in asm* and linux* are checked.
15# The rest are assumed to be system include files.
16#
17# 2) TODO: check for leaked CONFIG_ symbols
18
19use strict;
20
21my ($dir, $arch, @files) = @ARGV;
22
23my $ret = 0;
24my $line;
25my $lineno = 0;
26my $filename;
27
28foreach my $file (@files) {
29 local *FH;
30 $filename = $file;
31 open(FH, "<$filename") or die "$filename: $!\n";
32 $lineno = 0;
33 while ($line = <FH>) {
34 $lineno++;
35 check_include();
36 }
37 close FH;
38}
39exit $ret;
40
41sub check_include
42{
43 if ($line =~ m/^\s*#\s*include\s+<((asm|linux).*)>/) {
44 my $inc = $1;
45 my $found;
46 $found = stat($dir . "/" . $inc);
47 if (!$found) {
48 $inc =~ s#asm/#asm-$arch/#;
49 $found = stat($dir . "/" . $inc);
50 }
51 if (!$found) {
52 printf STDERR "$filename:$lineno: included file '$inc' is not exported\n";
53 $ret = 1;
54 }
55 }
56}