refactor: make talon's choice of result message easier to read in the code as per Richard's suggestion.
#
# Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
# All rights reserved.
# This component and the accompanying materials are made available
# under the terms of the License "Eclipse Public License v1.0"
# which accompanies this distribution, and is available
# at the URL "http://www.eclipse.org/legal/epl-v10.html".
#
# Initial Contributors:
# Nokia Corporation - initial contribution.
#
# Contributors:
#
# Description:
# Perl script to dump the ROM root directory
#
my $imagefile="ba_001.engbuild.img";
my $imageoffset=0;
die "Usage: checkstubs [imagefile]\n" if (@ARGV>1);
if (@ARGV==1)
{
$imagefile = @ARGV[0];
$symbolfile = $imagefile;
}
# 1. Read the root directory list
#
open IMAGE, "<$imagefile" or die "Cannot open $imagefile";
binmode IMAGE;
my $imagedata;
my $errors=0;
my $romrootdirectory;
read IMAGE, $imagedata, 20;
if ($imagedata =~ /^EPOC....ROM/)
{
$imageoffset -= 256; # compensate for REPRO header
}
sub readimage
{
my ($length, $linaddr) = @_;
my $imagedata;
if ($linaddr != 0) # read from next address
{
if (!seek(IMAGE, $linaddr-$imageoffset, 0))
{
printf "Can't seek to address 0x%x\n", $linaddr;
$errors++;
return "";
}
}
read IMAGE, $imagedata, $length;
return $imagedata;
}
sub readword
{
my ($linaddr) = @_;
return unpack "V", readimage(4, $linaddr);
}
# really want read from address 0, but readword does not allow it
# so need to read from word 1 and mask out extra byte read
if ((readword(1) & 0x00ffffff) == 0x00EA0000)
{
printf "Kernel ROM image: %s\n\n", $imagefile;
$imageoffset += readword(0x8c);
readword(); # image size
$romrootdirectory = readword();
}
else
{
printf "Extension ROM image: %s\n\n", $imagefile;
$imageoffset += readword(0x0c);
readword(); # image size
$romrootdirectory = readword();
}
my $numroots = readword($romrootdirectory);
printf "Rom Root Directory List at 0x%08x - %d entries\n", $romrootdirectory, $numroots;
my @directories;
my $root;
while ($numroots)
{
my $variant = readword();
$root = readword();
$numroots -= 1;
printf "Variant 0x%08x @ 0x%08x\n", $variant, $root;
push @directories, $root;
}
foreach $root (@directories)
{
printf "\nDirectory @ 0x%08x:\n", $root;
print_directory($root, "");
}
my %seen_before;
sub print_directory
{
my ($dir, $prefix) = @_;
if ($seen_before{$dir} == 1)
{
printf "%s ...\n", $prefix;
return;
}
$seen_before{$dir} = 1;
my $entry = $dir+4;
my $end = $entry+readword($dir);
while ($entry < $end)
{
my $size = readword($entry);
my $linaddr = readword();
my $attributes = unpack "C", readimage(1);
my $namelen = unpack "C", readimage(1);
my $name = readimage($namelen*2);
$name =~ s/(.)./$1/g; # drop high byte of Unicode characters
if ($attributes & 0x10)
{
printf "%s %08x %02x %s\\\n", $prefix, $linaddr, $attributes, $name;
print_directory($linaddr, "$prefix |");
}
else
{
printf "%s %08x %02x %6d %s%s\n", $prefix, $linaddr, $attributes, $size,
($seen_before{$linaddr}==1?" *":""), $name;
$seen_before{$linaddr} = 1;
}
$entry += 10 + $namelen*2;
$entry = ($entry+3)&~3;
}
}