libconv/common/bld_vernote.ksh

	bld_vernote.ksh revision 7c478bd95313f5f23a4c958a745db2134aa03244
#! /usr/bin/ksh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (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 2004 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

usage()
{
    echo "usage: bld_vernote [-D] -R <SUNWonld-README> -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: $release-$readmerev\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  "${release}-${readmerev}\0"
    .size   link_ver_string, .-link_ver_string
EOF
}

build_i386note()
{
    notestring="\tSolaris Link Editors: $release-$readmerev\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 "${release}-${readmerev}\0"
    .size   link_ver_string, .-link_ver_string
EOF
}


notefile=""
release=""
readme=""
debug=""

while getopts DR:o:r: c
do
    case $c in
    D)
        debug="1"
        ;;
    o)
        notefile=$OPTARG
        ;;
    r)
        release=$OPTARG
        ;;
    R)
        readme=$OPTARG
        ;;
    \?)
        usage
        exit 1
        ;;
    esac
done

if [[ ( -z $notefile ) || ( -z $release ) || ( -z $readme ) ]]; then
    usage
    exit 1
fi


identstring=$(head -10 $readme | grep '^#ident')
if [[ -z $identstring ]]; then
    echo "*** Fatal Error: building vernote.s: unable to find "
    echo "*** '#ident' string in first 10 lines of $readme"
    exit 1
fi

readmerev=$(echo $identstring | awk '{print $3;}')

if [[ ( -z $readmerev ) || ( $readmerev = "%""I""%" ) ]]; then
    opwd=$(pwd)
    readdir=$(dirname $readme)
    readbase=$(basename $readme)
    cd $readdir
    readmerev=$(sccs get -p $readbase 2>/dev/null | \
        grep '^#ident' | \
        awk '{print $3;}')
    if [[ -z $readmerev ]]; then
        readmerev='0.0'
    fi
    cd $opwd
    debug="1"
fi

if [[ ! -z $debug ]]; then
    wsname=
    if [[ ! -z $CODEMGR_WS ]]; then
        wsname=$(basename $CODEMGR_WS)
    fi
    readmerev=${readmerev}":"${wsname}"-${USER}-"$(date +%m/%d/%y)
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