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Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/…

…mmarek/kbuild

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  script/checkpatch.pl: warn about deprecated use of EXTRA_{A,C,CPP,LD}FLAGS
  tags, powerpc: Update tags.sh to support _GLOBAL symbols
  scripts: add extract-vmlinux
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commit addd8c92cf55bba578b8a56e0f717a0a74b31008 2 parents a84f6aa + c68e587
@torvalds torvalds authored
Showing with 78 additions and 2 deletions.
  1. +14 −0 scripts/checkpatch.pl
  2. +62 −0 scripts/extract-vmlinux
  3. +2 −2 scripts/tags.sh
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14 scripts/checkpatch.pl
@@ -1683,6 +1683,20 @@ sub process {
#print "is_end<$is_end> length<$length>\n";
}
+ if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) &&
+ ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) {
+ my $flag = $1;
+ my $replacement = {
+ 'EXTRA_AFLAGS' => 'asflags-y',
+ 'EXTRA_CFLAGS' => 'ccflags-y',
+ 'EXTRA_CPPFLAGS' => 'cppflags-y',
+ 'EXTRA_LDFLAGS' => 'ldflags-y',
+ };
+
+ WARN("DEPRECATED_VARIABLE",
+ "Use of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . $herecurr) if ($replacement->{$flag});
+ }
+
# check we are in a valid source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);
View
62 scripts/extract-vmlinux
@@ -0,0 +1,62 @@
+#!/bin/sh
+# ----------------------------------------------------------------------
+# extract-vmlinux - Extract uncompressed vmlinux from a kernel image
+#
+# Inspired from extract-ikconfig
+# (c) 2009,2010 Dick Streefland <dick@streefland.net>
+#
+# (c) 2011 Corentin Chary <corentin.chary@gmail.com>
+#
+# Licensed under the GNU General Public License, version 2 (GPLv2).
+# ----------------------------------------------------------------------
+
+check_vmlinux()
+{
+ # Use readelf to check if it's a valid ELF
+ # TODO: find a better to way to check that it's really vmlinux
+ # and not just an elf
+ readelf -h $1 > /dev/null 2>&1 || return 1
+
+ cat $1
+ exit 0
+}
+
+try_decompress()
+{
+ # The obscure use of the "tr" filter is to work around older versions of
+ # "grep" that report the byte offset of the line instead of the pattern.
+
+ # Try to find the header ($1) and decompress from here
+ for pos in `tr "$1\n$2" "\n$2=" < "$img" | grep -abo "^$2"`
+ do
+ pos=${pos%%:*}
+ tail -c+$pos "$img" | $3 > $tmp 2> /dev/null
+ check_vmlinux $tmp
+ done
+}
+
+# Check invocation:
+me=${0##*/}
+img=$1
+if [ $# -ne 1 -o ! -s "$img" ]
+then
+ echo "Usage: $me <kernel-image>" >&2
+ exit 2
+fi
+
+# Prepare temp files:
+tmp=$(mktemp /tmp/vmlinux-XXX)
+trap "rm -f $tmp" 0
+
+# Initial attempt for uncompressed images or objects:
+check_vmlinux $img
+
+# That didn't work, so retry after decompression.
+try_decompress '\037\213\010' xy gunzip
+try_decompress '\3757zXZ\000' abcde unxz
+try_decompress 'BZh' xy bunzip2
+try_decompress '\135\0\0\0' xxx unlzma
+try_decompress '\211\114\132' xy 'lzop -d'
+
+# Bail out:
+echo "$me: Cannot find vmlinux." >&2
View
4 scripts/tags.sh
@@ -129,7 +129,7 @@ exuberant()
-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
--extra=+f --c-kinds=+px \
- --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' \
+ --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \
--regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
--regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
--regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/'
@@ -151,7 +151,7 @@ exuberant()
emacs()
{
all_sources | xargs $1 -a \
- --regex='/^ENTRY(\([^)]*\)).*/\1/' \
+ --regex='/^(ENTRY|_GLOBAL)(\([^)]*\)).*/\2/' \
--regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
--regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
--regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/'
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