:
eval 'exec perl -wS $0 ${1+"$@"}'
    if 0;
#*************************************************************************
#
#   $RCSfile: mapgen.pl,v $
#
#   $Revision: 1.1 $
#
#   last change: $Author: vg $ $Date: 2001-11-08 17:07:15 $
#
#   The Contents of this file are made available subject to the terms of
#   either of the following licenses
#
#          - GNU Lesser General Public License Version 2.1
#          - Sun Industry Standards Source License Version 1.1
#
#   Sun Microsystems Inc., October, 2000
#
#   GNU Lesser General Public License Version 2.1
#   =============================================
#   Copyright 2000 by Sun Microsystems, Inc.
#   901 San Antonio Road, Palo Alto, CA 94303, USA
#
#   This library is free software; you can redistribute it and/or
#   modify it under the terms of the GNU Lesser General Public
#   License version 2.1, as published by the Free Software Foundation.
#
#   This library is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#   Lesser General Public License for more details.
#
#   You should have received a copy of the GNU Lesser General Public
#   License along with this library; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
#   MA  02111-1307  USA
#
#
#   Sun Industry Standards Source License Version 1.1
#   =================================================
#   The contents of this file are subject to the Sun Industry Standards
#   Source License Version 1.1 (the "License"); You may not use this file
#   except in compliance with the License. You may obtain a copy of the
#   License at http://www.openoffice.org/license.html.
#
#   Software provided under this License is provided on an "AS IS" basis,
#   WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
#   WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
#   MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
#   See the License for the specific provisions governing your rights and
#   obligations concerning the Software.
#
#   The Initial Developer of the Original Code is: Sun Microsystems, Inc..
#
#   Copyright: 2000 by Sun Microsystems, Inc.
#
#   All Rights Reserved.
#
#   Contributor(s): _______________________________________
#
#
#
#*************************************************************************

#
# mapgen  - generate a map file for Unix libraries
#

#use File::Path;
#use File::Copy;

#### script id #####

( $script_name = $0 ) =~ s/^.*\b(\w+)\.pl$/$1/;

$id_str = ' $Revision: 1.1 $ ';
$id_str =~ /Revision:\s+(\S+)\s+\$/
  ? ($script_rev = $1) : ($script_rev = "-");

print "$script_name -- version: $script_rev\n";
print "Multi Platform Enabled Edition\n";

#########################
#                       #
#   Globale Variablen   #
#                       #
#########################

$dump_file = '';
$flt_file = '';
$map_file = '';
$first_string = '';
$tab = '    ';

#### main ####

&get_options;
if (!(open (DUMP_FILE, $dump_file))) {
    &print_error("Unable open $dump_file");
};
if (!(open (FLT_FILE, $flt_file))) {
    close DUMP_FILE;
    &print_error("Unable open $flt_file");
};
unlink $map_file;
if (!(open (MAP_FILE, ">>$map_file"))) {
    close DUMP_FILE;
    close FLT_FILE;
    &print_error("Unable open $map_file");
};

if ($ENV{OS} eq 'SOLARIS') {
    &gen_sol;
} elsif ($ENV{OS} eq 'LINUX') {
    &gen_lnx;
} else {
    &print_error ('Environment not set!!');
};

close DUMP_FILE;
close FLT_FILE;
close MAP_FILE;

#### end of main procedure ####

#########################
#                       #
#      Procedures       #
#                       #
#########################

#
# Generate a map file for solaris
#
sub gen_sol {
    my %symbols = ();
    foreach (<DUMP_FILE>) {
        next if (!(/\s*(\S+)\s*\|\s*(\S+)\s*\|\s*(\S+)\s*\|\s*(\S+)\s*\|\s*(\S+)\s*\|\s*(\S+)\s*\|\s*(\S+)\s*\|\s*(\S+)\s*/));
        next if (($7 =~ /UNDEF/) || ($7 =~ /ABS/));
        next if ($5 eq 'LOCL');
        $symbols{$8}++;
    };
    &filter_symbols(\%symbols);
};

#
# Generate a map file for linux
#
sub gen_lnx {
    my %symbols = ();
    foreach (<DUMP_FILE>) {
        next if (!(/^\S+ [A|B|C|D|G|I|N|R|S|T|U|V|W|-|\?|-] (\S+)/));
        $symbols{$1}++;
    };
    &filter_symbols(\%symbols);
}

#
# Filter symbols with filters from $flt_file
#
sub filter_symbols {
    my $symbols = shift;
    my $env_section = '';
    my @filters = ();
    my @filtered_symbols = ();
    while (<FLT_FILE>) {
        s/\r//;
        s/\n//;
        $env_section = '1' and next if ((/^# SOLARIS #$/) && ($ENV{OS} eq 'SOLARIS'));
        $env_section = '1' and next if ((/^# LINUX #$/) && ($ENV{OS} eq 'LINUX'));
        last if ($env_section && ((/^# SOLARIS #$/) || (/^# LINUX #$/)));
        next if (!$_ || /^#/);
        push(@filters, $_);
    };
    foreach my $symbol (keys %$symbols) {
        my $export = '-';
        foreach my $filter_str (@filters) {
            my $add = substr ($filter_str, 0, 1);
            my $filter = substr($filter_str, 1);
            if ($symbol =~ /$filter/) {
                $export = $add;
            };
        };
        if ($export eq '+') {
            push(@filtered_symbols, $symbol);
        };
    };
    &write_mapfile(\@filtered_symbols);
};

#
# Write a map file
#
sub write_mapfile {
    my $symbols = shift;
    print MAP_FILE $first_string . " {\n$tab" . "global:\n";
    foreach (@$symbols) {
        print MAP_FILE "$tab$tab$_\;\n";
    };
    print MAP_FILE "$tab" . "local:\n$tab\*\;\n}\;";
};

#
# Get all options passed
#
sub get_options {

$dump_file = '';
$flt_file = '';
$map_file = '';
    my ($arg);
    &usage() && exit(0) if ($#ARGV == -1);
    while ($arg = shift @ARGV) {
        $arg =~ /^-d$/          and $dump_file = shift @ARGV    and next;
        $arg =~ /^-f$/          and $flt_file = shift @ARGV     and next;
        $arg =~ /^-m$/          and $map_file = shift @ARGV     and next;
        $arg =~ /^-h$/          and &usage                      and exit(0);
        $arg =~ /^--help$/      and &usage                      and exit(0);
        $arg =~ /^-s$/          and $first_string = shift @ARGV and next;
    };
    if (!$dump_file ||
        !$flt_file  ||
        !$first_string  ||
        !$map_file) {
        &usage;
        exit(1);
    };
};

sub print_error {
    my $message = shift;
    print STDERR "\nERROR: $message\n";
    exit(1)
};

sub usage {
    print STDERR "\nmapgen:\n";
    print STDERR "Syntax:    mapgen -d dump_file -s first_string -f filter_file -m map_file [-h|--help]\n";
};