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|
#!/usr/bin/perl
use strict;
sub add_image_subdir
{
my $image = shift;
if (!($image =~ m/\/img/)) { $image = "./img/".$image };
return $image;
}
sub find_symbol_name
{
my $offset = shift;
my $require_function = shift;
my $symbol_addrs = shift;
my $symbol_funcs = shift;
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 = 0;
foreach my $off (keys %$symbol_addrs)
{
if (($off > $prevoffset) and ($off <= $offset))
{
$prevoffset = $off;
}
}
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 $cmd = "$Bin/gensyms ".$image;
foreach my $module (@modules)
{
$cmd = $cmd." ".$module;
}
open GENSYMS, $cmd."|";
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;
}
foreach my $module (@modules)
{
print "BEGIN MODULE ---- ".$module." ----\n";
my $enabled = 0;
open OBJDUMP, ("ppc64-mcp6-objdump -DCS ".add_image_subdir($module)."|");
while (my $line = <OBJDUMP>)
{
if ($line =~ m/Disassembly of section/)
{
if (($line =~ m/.text/) || ($line =~ m/.data/))
{
$enabled = 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_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_isfunc);
$line =~ s/__FUNCREF__/$refname/
}
}
print $line;
}
}
close OBJDUMP;
print "\n";
}
|
