From patchwork Tue Jan 18 14:06:20 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Landley X-Patchwork-Id: 486261 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p0IE6gtx000741 for ; Tue, 18 Jan 2011 14:06:43 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751795Ab1AROGl (ORCPT ); Tue, 18 Jan 2011 09:06:41 -0500 Received: from mx2.parallels.com ([64.131.90.16]:45151 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751229Ab1AROGk (ORCPT ); Tue, 18 Jan 2011 09:06:40 -0500 Received: from rr-ah-dc.swsoft.net ([96.31.168.200] helo=mail.parallels.com) by mx2.parallels.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.72) (envelope-from ) id 1PfCCl-0001Xc-I0; Tue, 18 Jan 2011 09:06:40 -0500 Received: from [192.168.6.242] (64.134.148.71) by mail.parallels.com (10.255.249.32) with Microsoft SMTP Server (TLS) id 14.0.702.0; Tue, 18 Jan 2011 06:06:36 -0800 Message-ID: <4D359E5C.1070002@parallels.com> Date: Tue, 18 Jan 2011 08:06:20 -0600 From: Rob Landley User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Thunderbird/3.1.7 MIME-Version: 1.0 To: Michal Marek , , , Jesper Juhl Subject: [PATCH] Replace scripts/headers_install.pl with a shell script. Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Tue, 18 Jan 2011 14:06:43 +0000 (UTC) diff -ruN linux-2.6.30.old/scripts/headers_install.sh linux-2.6.30/scripts/headers_install.sh --- linux-2.6.30.old/scripts/headers_install.sh 1969-12-31 18:00:00.000000000 -0600 +++ linux-2.6.30/scripts/headers_install.sh 2009-06-22 16:21:23.000000000 -0500 @@ -0,0 +1,42 @@ +#!/bin/sh + +if [ $# -lt 2 ] +then + echo "Usage: headers_install.sh INDIR OUTDIR [FILES...] + echo + echo "Prepares kernel header files for use by user space, by removing" + echo "all compiler.h definitions and #includes, removing any" + echo "#ifdef __KERNEL__ sections, and putting __underscores__ around" + echo "asm/inline/volatile keywords." + echo + echo "INDIR: directory to read each kernel header FILE from." + echo "OUTDIR: directory to write each userspace header FILE to." + echo "FILES: list of header files to operate on." + + exit 1 +fi + +# Grab arguments + +INDIR="$1" +shift +OUTDIR="$1" +shift + +# Iterate through files listed on command line + +trap "rm -f $OUTDIR/$i $OUTDIR.sed" EXIT +for i in "$@" +do + sed -r \ + -e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \ + -e 's/__attribute_const__([ \t]|$)/\1/g' \ + -e 's@^#include @@' \ + -e 's/(^|[ \t])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \ + "$INDIR/$i" > "$OUTDIR/$i.sed" || exit 1 + scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$i.sed" \ + > "$OUTDIR/$i" + [ $? -gt 1 ] && exit 1 + rm -f "$OUTDIR/$i.sed" +done +trap - EXIT diff -ruN linux-2.6.30.old/scripts/Makefile.headersinst linux-2.6.30/scripts/Makefile.headersinst --- linux-2.6.30.old/scripts/Makefile.headersinst 2009-06-09 22:05:27.000000000 -0500 +++ linux-2.6.30/scripts/Makefile.headersinst 2009-06-22 16:21:23.000000000 -0500 @@ -45,8 +45,8 @@ quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ file$(if $(word 2, $(all-files)),s)) cmd_install = \ - $(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \ - $(PERL) $< $(objtree)/$(obj) $(install) $(SRCARCH) $(objhdr-y); \ + $(CONFIG_SHELL) $< $(srctree)/$(obj) $(install) $(header-y); \ + $(CONFIG_SHELL) $< $(objtree)/$(obj) $(install) $(objhdr-y); \ touch $@ quiet_cmd_remove = REMOVE $(unwanted) @@ -69,7 +69,7 @@ @: targets += $(install-file) -$(install-file): scripts/headers_install.pl $(input-files) FORCE +$(install-file): scripts/headers_install.sh $(input-files) FORCE $(if $(unwanted),$(call cmd,remove),) $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) $(call if_changed,install) --- a/scripts/headers_install.pl +++ /dev/null @@ -1,57 +0,0 @@ -#!/usr/bin/perl -w -# -# headers_install prepare the listed header files for use in -# user space and copy the files to their destination. -# -# Usage: headers_install.pl readdir installdir arch [files...] -# readdir: dir to open files -# installdir: dir to install the files -# arch: current architecture -# arch is used to force a reinstallation when the arch -# changes because kbuild then detect a command line change. -# files: list of files to check -# -# Step in preparation for users space: -# 1) Drop all use of compiler.h definitions -# 2) Drop include of compiler.h -# 3) Drop all sections defined out by __KERNEL__ (using unifdef) - -use strict; - -my ($readdir, $installdir, $arch, @files) = @ARGV; - -my $unifdef = "scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__"; - -foreach my $file (@files) { - my $tmpfile = "$installdir/$file.tmp"; - - open(my $in, '<', "$readdir/$file") - or die "$readdir/$file: $!\n"; - open(my $out, '>', $tmpfile) - or die "$tmpfile: $!\n"; - while (my $line = <$in>) { - $line =~ s/([\s(])__user\s/$1/g; - $line =~ s/([\s(])__force\s/$1/g; - $line =~ s/([\s(])__iomem\s/$1/g; - $line =~ s/\s__attribute_const__\s/ /g; - $line =~ s/\s__attribute_const__$//g; - $line =~ s/^#include //; - $line =~ s/(^|\s)(inline)\b/$1__$2__/g; - $line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g; - $line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g; - printf {$out} "%s", $line; - } - close $out; - close $in; - - system $unifdef . " $tmpfile > $installdir/$file"; - # unifdef will exit 0 on success, and will exit 1 when the - # file was processed successfully but no changes were made, - # so abort only when it's higher than that. - my $e = $? >> 8; - if ($e > 1) { - die "$tmpfile: $!\n"; - } - unlink $tmpfile; -} -exit 0;