bld_vernote.ksh revision 3edf445cce90224c4218c6987d6709e8481cae58
#! /usr/bin/ksh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# ident "%Z%%M% %I% %E% SMI"
#
# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
usage()
{
echo "usage: bld_vernote -R <revision> -r <release> -o <outfile.s>"
}
pad_notestring()
{
extra=$1
len=$(( ${#notestring} + $extra ))
padlen=$(( $len % 4 ))
while [[ $(( $len % 4)) != 0 ]]
do
notestring="${notestring}\0"
len=$(( $len + 1 ))
done
}
build_sparcnote()
{
notestring="\tSolaris Link Editors: $release-$revision\n\0"
#
# The 'adjustment' is for the '\t\n\0'
#
pad_notestring -3
cat > $notefile <<EOF
.section ".note"
#include <sgs.h>
.align 4
.word .endname - .startname /* note name size */
.word 0 /* note desc size */
.word 0 /* note type */
.startname:
.ascii "$notestring"
.endname:
.section ".rodata", #alloc
.global link_ver_string
link_ver_string:
.type link_ver_string, #object
.ascii "${release}-${revision}\0"
.size link_ver_string, .-link_ver_string
EOF
}
build_i386note()
{
notestring="\tSolaris Link Editors: $release-$revision\n"
#
# The 'adjustment' is for the '\t\n' and the
# fact that the x86/amd64 assembler automatically
# append a '\0' at the end of a string.
#
pad_notestring -1
cat > $notefile <<EOF
.section .note
#include <sgs.h>
.align 4
.long .endname - .startname /* note name size */
.long 0 /* note desc size */
.long 0 /* note type */
.startname:
.string "$notestring"
.endname:
.section .rodata, "a"
.globl link_ver_string
link_ver_string:
.type link_ver_string,@object
.string "${release}-${revision}\0"
.size link_ver_string, .-link_ver_string
EOF
}
notefile=""
release=""
revision=""
while getopts DR:o:r: c
do
case $c in
o)
notefile=$OPTARG
;;
r)
release=$OPTARG
;;
R)
revision=$OPTARG
;;
\?)
usage
exit 1
;;
esac
done
if [[ ( -z $notefile ) || ( -z $release ) || ( -z $revision ) ]]; then
usage
exit 1
fi
if [[ $MACH = "sparc" ]]; then
build_sparcnote
elif [[ $MACH = "i386" ]]; then
build_i386note
else
echo "I don't know how to build a vernote.s for ${MACH}, so sorry"
exit 1
fi