1 # Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 # All rights reserved.

     3 # This component and the accompanying materials are made available

     4 # under the terms of "Eclipse Public License v1.0"

     5 # which accompanies this distribution, and is available

     6 # at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 #

     8 # Initial Contributors:

     9 # Nokia Corporation - initial contribution.

    10 #

    11 # Contributors:

    12 #

    13 # Description:

    14 #

    15 

    16 package DepUtil;

    17 

    18 require Exporter;

    19 @ISA=qw(Exporter);

    20 

    21 @EXPORT=qw(

    22 	GenDependencies

    23 );

    24 use strict;

    25 my ($interworking, $outfile, $genpath, $libpath, $librariesRef, $gVerbose);

    26 sub GenDependencies {

    27 	($interworking, $outfile, $genpath, $libpath, $librariesRef, $gVerbose) = @_;

    28 	my @dsoList;

    29 	foreach my $alib (@$librariesRef) {

    30 #	.lib files are archive file. Get the corresponding dso file which is in ELF.

    31 		if($alib =~ /(.*)\.lib$/) {

    32 			my $dso = "$1.dso";

    33 			if(-e $dso){

    34 				push @dsoList, $dso;

    35 				}

    36 		}

    37 		elsif($alib =~ /.*\.dso$/) {

    38 			if(-e $alib){

    39 				push @dsoList, $alib;

    40 				}

    41 		}

    42 	}

    43 	my @linkAsList=();

    44 	foreach my $dso (@dsoList) {

    45 #	Get the linkas names of the libraries

    46 		open PIPE, "getexports -s $dso |";

    47 		while(<PIPE>) {

    48 			if($_ =~ /(\S+)/){

    49 			push @linkAsList, $1;

    50 			}

    51 	 	}

    52 		close PIPE;

    53 	}

    54 	GenLinkerSteeringFileForDeps(\@linkAsList) if($outfile);

    55 }

    56 

    57 sub GenLinkerSteeringFileForDeps {

    58 #	Generate the linker steering file to indicate in the final ELF file 

    59 #	about the static dependencies. This list gives the list and order of

    60 #	library names in which name lookup shall happen. Whether they were

    61 #	actually linked-in in the final ELF shall be determined by the import

    62 #	table. The import table fails to maintain the linking order and is

    63 #	achieved through these linker directives.

    64 

    65 	my ($LinkAsNamesRef) = @_;

    66 	my $depfile = "$genpath\\$outfile.dep";

    67 	open OUTFILE, ">$depfile" or

    68 		die "Can't create file $depfile\n";

    69 	print OUTFILE "; This is a generated file for Static Dependency listing";

    70 	print OUTFILE "; causing the linker to create DT_NEEDED tag(s) in the dynamic array\n\n";

    71 

    72 	foreach my $name (@$LinkAsNamesRef) {

    73 		print OUTFILE "\n\tREQUIRE \"$name\"";

    74 	}

    75 	print OUTFILE "\n";

    76 	close OUTFILE;

    77 }

    78 

    79 1;