Messages in this thread Patch in this message | | | Date | Mon, 29 Sep 2003 15:36:24 +0200 | From | Jörn Engel <> | Subject | [PATCH] check headers for complete includes, etc. |
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On Sun, 28 September 2003 21:44:31 +0200, Jörn Engel wrote: > On Sun, 28 September 2003 21:31:50 +0200, Sam Ravnborg wrote: > > > > That should do it. Can you also integrate the check Linus mentioned, > > to make sure no declarations are present. > > If it's simple enough, you'll have it tomorrow. Linus' check might > take a bit longer, I'm not sure yet how to define an empty object > file. Is it enough if objdump -tT only shows sections? > > > I would name the target: headercheck: > > to be consistent with the other targets. > > ok.
First version of the script. Seems to work, but it catches a lot, maybe too much.
Jörn
-- "Error protection by error detection and correction." -- from a university class
--- /dev/null 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.0-test5/scripts/checkheader.pl 2003-09-29 15:33:10.000000000 +0200 @@ -0,0 +1,43 @@ +#!/usr/bin/perl -w +use strict; + +my $normsymbols = "^\n" + . "lib/header.o: file format elf32-i386\n" + . "\n" + . "SYMBOL TABLE:\n" + . "00000000 l df \\*ABS\\* 00000000 header.c\n" + . "00000000 l d .text 00000000 \n" + . "00000000 l d .data 00000000 \n" + . "00000000 l d .bss 00000000 \n" + . "00000000 l d .comment 00000000 \n" + . "\n" + . "\n\$"; + +#my @headers = ("linux/fs.h"); +my @headers = sort(split(/\n/, `(cd include/ && find linux -name "*.h")`)); +my $basename = "lib/header"; + +foreach my $h (@headers) { + close(STDERR); + open(STDERR, ">", "$basename.err"); + + open(HC, '>', "$basename.c"); + print(HC "#include <$h>\n"); + close(HC); + + # tests + if (system("make", "$basename.o") != 0) { + print("WARNING: header doesn't build standalone: $h\n"); + next; + } + + my $symbols = `objdump -t $basename.o`; + if ($symbols !~ /$normsymbols/) { + print("WARNING: Symbols may be declared: $h\n"); + } +} continue { + # cleanup + unlink("$basename.c"); + unlink("$basename.err"); + unlink("$basename.o"); +} --- linux-2.6.0-test5/Makefile~headercheck 2003-09-28 21:37:19.000000000 +0200 +++ linux-2.6.0-test5/Makefile 2003-09-29 15:31:13.000000000 +0200 @@ -838,6 +838,9 @@ -name '*.[hcS]' -type f -print | sort \ | xargs $(PERL) -w scripts/checkincludes.pl +headercheck: + $(PERL) scripts/checkheader.pl + versioncheck: find * $(RCS_FIND_IGNORE) \ -name '*.[hcS]' -type f -print | sort \ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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