From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/scripts/extract-vmlinux | 62 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100755 kernel/scripts/extract-vmlinux (limited to 'kernel/scripts/extract-vmlinux') diff --git a/kernel/scripts/extract-vmlinux b/kernel/scripts/extract-vmlinux new file mode 100755 index 000000000..5061abcc2 --- /dev/null +++ b/kernel/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 +# +# (c) 2011 Corentin Chary +# +# 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: $me " >&2 + exit 2 +fi + +# Prepare temp files: +tmp=$(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 -- cgit 1.2.3-korg