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|
#!/usr/bin/perl
# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/build/tools/genlist $
#
# IBM CONFIDENTIAL
#
# COPYRIGHT International Business Machines Corp. 2011,2013
#
# p1
#
# Object Code Only (OCO) source materials
# Licensed Internal Code Source Materials
# IBM HostBoot Licensed Internal Code
#
# The source code for this program is not published or otherwise
# divested of its trade secrets, irrespective of what has been
# deposited with the U.S. Copyright Office.
#
# Origin: 30
#
# IBM_PROLOG_END_TAG
use strict;
sub add_image_subdir
{
my ($image) = @_;
if (!($image =~ m/\/img/)) { $image = "./img/".$image };
return $image;
}
sub find_symbol_name
{
my ($offset, $require_function, $symbol_addrs,
$symbol_sorted_addrs, $symbol_funcs) = @_;
if (defined $symbol_addrs->{$offset})
{
for my $sym (@{$symbol_addrs->{$offset}})
{
if ($symbol_funcs->{$sym})
{
return $sym;
}
}
if ($require_function)
{
return 0;
}
return @{$symbol_addrs->{$offset}}[0];
}
if ($require_function)
{
return 0;
}
my $prevoffset = -1;
my $search_first = 0;
my $search_last = $#$symbol_sorted_addrs;
while ($search_first != $search_last)
{
my $search_mid = int ($search_first + $search_last) / 2;
if ($search_mid == $search_first)
{
if (@$symbol_sorted_addrs[$search_last] <= $offset)
{
$search_first = $search_last;
}
else
{
$search_last = $search_first;
}
}
elsif (@$symbol_sorted_addrs[$search_mid] <= $offset)
{
$search_first = $search_mid;
}
else
{
$search_last = $search_mid;
}
}
if (@$symbol_sorted_addrs[$search_first] <= $offset)
{
$prevoffset = @$symbol_sorted_addrs[$search_first];
}
if (defined $symbol_addrs->{$prevoffset})
{
for my $sym (@{$symbol_addrs->{$prevoffset}})
{
if ($symbol_funcs->{$sym})
{
return sprintf "%s+0x%x", $sym, ($offset - $prevoffset);
}
}
return sprintf "%s+0x%x", @{$symbol_addrs->{$prevoffset}}[0],
($offset - $prevoffset);
}
return sprintf "Unknown @ 0x%x", $offset;
}
use FindBin qw($Bin);
my $image_offset = $ENV{"HAL_IMAGE_OFFSET"};
if (not $image_offset) { $image_offset = "0x0"; };
$image_offset = hex $image_offset;
my $image;
my $all_modules = 0;
my @modules = ();
if ($#ARGV == -1)
{
die "genlist <image> [modules]\n";
}
if ($#ARGV == 0)
{
$all_modules = 1;
}
else
{
@modules = @ARGV[1..$#ARGV];
}
$image = add_image_subdir($ARGV[0]);
my %module_offsets = ();
open MODINFO, "< $image.modinfo";
while (my $modline = <MODINFO>)
{
chomp $modline;
my @splitline = split /,/, $modline;
$module_offsets{@splitline[0]} = (hex @splitline[1]) + $image_offset;
if ($all_modules)
{
push @modules, @splitline[0];
}
}
my %symbol_address = ();
my %symbol_isfunc = ();
my $gensyms = $image;
$gensyms =~ s/\.bin/\.syms/;
open GENSYMS, "<".$gensyms;
while (my $line = <GENSYMS>)
{
chomp $line;
my ($is_func,$code_addr,$addr,$function);
$line =~ m/(.*?),(.*?),(.*?),(.*?),(.*)/;
$is_func = "F" eq $1;
$addr = hex $2;
$function = $5;
if (not defined $symbol_address{$addr})
{
$symbol_address{$addr} = ();
}
push @{$symbol_address{$addr}}, $function;
$symbol_isfunc{$function} = $is_func;
}
my @symbol_sorted_addrs = sort { $a <=> $b} keys %symbol_address;
foreach my $module (@modules)
{
# Only search modules that are likely to be ELF files.
if (not (($module =~ m/\.o/) or
($module =~ m/\.elf/) or
($module =~ m/\.so/)))
{
next;
}
print "BEGIN MODULE ---- ".$module." ----\n";
my $enabled = 0;
my $sections = 0;
my $PREFIX = $ENV{'CROSS_PREFIX'};
open OBJDUMP, ("${PREFIX}objdump -DCS ".add_image_subdir($module)."|");
while (my $line = <OBJDUMP>)
{
if (!$enabled && ($sections >= 2))
{
close OBJDUMP;
}
if (($line =~ m/Disassembly/) && ($line =~ m/Disassembly of section/))
{
if (($line =~ m/.text/) || ($line =~ m/.data/))
{
$enabled = 1;
$sections = $sections + 1;
}
else
{
$enabled = 0;
}
}
elsif ($enabled)
{
if ($line =~ s/(^[\s]*)([0-9a-f]+)(:)/$1__HEXVALUE__$3/)
{
my $value = hex $2;
my $offset = $value + $module_offsets{$module};
my $format = sprintf "%x\t%08x", $value, $offset;
$line =~ s/__HEXVALUE__/$format/;
my $symname = find_symbol_name($offset, 1, \%symbol_address,
\@symbol_sorted_addrs,
\%symbol_isfunc);
if ($symname)
{
printf "%016x <%s>:\n", $offset, $symname;
}
if ($line =~ s/(b[a-z]*[+-]*[\s]*(.*,){0,1})([0-9a-f]+)([\s]*<)(.*)(>)/$1__HEXVALUE__$4__FUNCREF__$6/)
{
$value = hex $3;
$offset = $value + $module_offsets{$module};
$format = sprintf "%x", $offset;
$line =~ s/__HEXVALUE__/$format/;
my $refname = find_symbol_name($offset, 0,
\%symbol_address, \@symbol_sorted_addrs,
\%symbol_isfunc);
$line =~ s/__FUNCREF__/$refname/
}
}
print $line;
}
}
close OBJDUMP;
print "\n";
}
|
