+#!/usr/bin/perl
+
use strict;
use warnings;
use Digest::SHA;
{
return { a => 'inglobal', b => 'inglobalfunc' };
}
+ if($op =~ /^INVALID#/)
+ {
+ return { isinvalid => 1 };
+ }
return { a => 'inglobal', b => 'inglobal', c => 'outglobal' };
}
[uchar8 => 'parm_size'],
];
+use constant LNOHEADER_T => [
+ [int => 'lnotype'],
+ [int => 'version'],
+ [int => 'numglobaldefs'],
+ [int => 'numglobals'],
+ [int => 'numfielddefs'],
+ [int => 'numstatements'],
+];
+
+use constant LNO_T => [
+ [int => 'v'],
+];
+
sub get_section($$$)
{
my ($fh, $start, $len) = @_;
return "\"$str\"";
}
+sub debugpos($$$) {
+ my ($progs, $func, $ip) = @_;
+ my $s = $func->{debugname};
+ if ($progs->{cno}) {
+ my $column = $progs->{cno}[$ip]{v};
+ $s =~ s/:/:$column:/;
+ }
+ if ($progs->{lno}) {
+ my $line = $progs->{lno}[$ip]{v};
+ $s =~ s/:/:$line:/;
+ }
+ return $s;
+}
+
sub disassemble_function($$;$)
{
my ($progs, $func, $highlight) = @_;
{
print PRE_MARK_STATEMENT;
printf INSTRUCTION_FORMAT, '', '<!>', '.WARN';
- printf OPERAND_FORMAT, "$_ (in $func->{debugname})";
+ my $pos = debugpos $progs, $func, $ip;
+ printf OPERAND_FORMAT, "$_ (in $pos)";
print INSTRUCTION_SEPARATOR;
}
}
}
}
+ if($c->{isinvalid})
+ {
+ ++$warned{$ip}{''}{"Invalid opcode"};
+ }
for(qw(a b c))
{
my $type = $c->{$_};
use constant GLOBALFLAG_Q => 32; # unique to function
use constant GLOBALFLAG_U => 64; # unused
use constant GLOBALFLAG_P => 128; # possibly parameter passing
- my @globalflags = (GLOBALFLAG_Q | GLOBALFLAG_U) x @{$progs->{globals}};
+ use constant GLOBALFLAG_D => 256; # has a def
+ my @globalflags = (GLOBALFLAG_Q | GLOBALFLAG_U) x (@{$progs->{globals}} + 2);
for(@{$progs->{functions}})
{
if $name eq 'IMMEDIATE' or $name =~ /^\./;
$_->{debugname} = $name
if $name ne '';
+ $globalflags[$_->{ofs}] |= GLOBALFLAG_D;
if($type->{save})
{
- for my $i(0..(typesize($_->{type}{type})-1))
- {
- $globalflags[$_->{ofs}] |= GLOBALFLAG_S;
- }
+ $globalflags[$_->{ofs}] |= GLOBALFLAG_S;
+ }
+ if(defined $_->{debugname})
+ {
+ $globalflags[$_->{ofs}] |= GLOBALFLAG_N;
}
- if($name ne '')
+ }
+ # fix up vectors
+ my @extradefs = ();
+ for(@{$progs->{globaldefs}})
+ {
+ my $type = $_->{type};
+ for my $i(1..(typesize($type->{type})-1))
{
- for my $i(0..(typesize($_->{type}{type})-1))
+ # add missing def
+ if(!($globalflags[$_->{ofs}+$i] & GLOBALFLAG_D))
{
- $globalflags[$_->{ofs}] |= GLOBALFLAG_N;
+ print "Missing globaldef for a component@{[defined $_->{debugname} ? ' of ' . $_->{debugname} : '']} at $_->{ofs}+$i\n";
+ push @extradefs, {
+ type => {
+ saved => 0,
+ type => 'float'
+ },
+ ofs => $_->{ofs} + $i,
+ debugname => defined $_->{debugname} ? $_->{debugname} . "[$i]" : undef
+ };
}
+ # "saved" and "named" states hit adjacent globals too
+ $globalflags[$_->{ofs}+$i] |= $globalflags[$_->{ofs}] & (GLOBALFLAG_S | GLOBALFLAG_N | GLOBALFLAG_D);
}
}
+ push @{$progs->{globaldefs}}, @extradefs;
+
my %offsets_initialized = ();
for(0..(@{$progs->{globals}}-1))
{
$globaldefs[$_] //= {
ofs => $_,
s_name => undef,
- debugname => undef
+ debugname => undef,
+ type => undef
};
}
for(0..(@{(DEFAULTGLOBALS)}-1))
};
}
-sub parse_progs($)
+sub parse_progs($$)
{
- my ($fh) = @_;
+ my ($fh, $lnofh) = @_;
my %p = ();
print STDERR "Parsing header...\n";
$p{header} = parse_section $fh, DPROGRAMS_T, 0, undef, 1;
+ if (defined $lnofh) {
+ print STDERR "Parsing LNO...\n";
+ my $lnoheader = parse_section $lnofh, LNOHEADER_T, 0, undef, 1;
+ eval {
+ die "Not a LNOF"
+ if $lnoheader->{lnotype} != unpack 'V', 'LNOF';
+ die "Not version 1"
+ if $lnoheader->{version} != 1;
+ die "Not same count of globaldefs"
+ if $lnoheader->{numglobaldefs} != $p{header}{numglobaldefs};
+ die "Not same count of globals"
+ if $lnoheader->{numglobals} != $p{header}{numglobals};
+ die "Not same count of fielddefs"
+ if $lnoheader->{numfielddefs} != $p{header}{numfielddefs};
+ die "Not same count of statements"
+ if $lnoheader->{numstatements} != $p{header}{numstatements};
+ $p{lno} = [parse_section $lnofh, LNO_T, 24, undef, $lnoheader->{numstatements}];
+ eval {
+ $p{lno} = [parse_section $lnofh, LNO_T, 24, undef, $lnoheader->{numstatements} * 2];
+ $p{cno} = [splice $p{lno}, $lnoheader->{numstatements}];
+ print STDERR "Cool, this LNO even has column number info!\n";
+ };
+ } or warn "Skipping LNO: $@";
+ }
+
print STDERR "Parsing strings...\n";
$p{strings} = get_section $fh, $p{header}{ofs_strings}, $p{header}{numstrings};
$p{getstring} = sub
die "Out of range name in globaldef $_"
if $g->{s_name} < 0 || $g->{s_name} >= length $p{strings};
my $name = $p{getstring}->($g->{s_name});
- die "Out of range ofs in globaldef $_ (name: \"$name\")"
+ die "Out of range ofs $g->{ofs} in globaldef $_ (name: \"$name\")"
if $g->{ofs} >= $p{globals};
}
die "Out of range name in fielddef $_"
if $g->{s_name} < 0 || $g->{s_name} >= length $p{strings};
my $name = $p{getstring}->($g->{s_name});
- die "Out of range ofs in globaldef $_ (name: \"$name\")"
+ die "Out of range ofs $g->{ofs} in fielddef $_ (name: \"$name\")"
if $g->{ofs} >= $p{header}{entityfields};
}
my $file = $p{getstring}->($f->{s_file});
die "Out of range first_statement in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
if $f->{first_statement} >= @{$p{statements}};
- die "Out of range parm_start in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
- if $f->{parm_start} < 0 || $f->{parm_start} >= @{$p{globals}};
- die "Out of range locals in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
- if $f->{locals} < 0 || $f->{parm_start} + $f->{locals} >= @{$p{globals}};
if($f->{first_statement} >= 0)
{
+ die "Out of range parm_start in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
+ if $f->{parm_start} < 0 || $f->{parm_start} >= @{$p{globals}};
+ die "Out of range locals in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
+ if $f->{locals} < 0 || $f->{parm_start} + $f->{locals} > @{$p{globals}};
die "Out of range numparms $f->{numparms} in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
if $f->{numparms} < 0 || $f->{numparms} > 8;
my $totalparms = 0;
$totalparms += $f->{parm_size}[$_];
}
die "Out of range parms in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
- if $f->{locals} < 0 || $f->{parm_start} + $totalparms >= @{$p{globals}};
+ if $f->{parm_start} + $totalparms > @{$p{globals}};
+ die "More parms than locals in function $_ (name: \"$name\", file: \"$file\", first statement: $f->{first_statement})"
+ if $totalparms > $f->{locals};
}
}
elsif($type eq 'inglobalvec')
{
$s->{$_} &= 0xFFFF;
- die "Out of range global offset in statement $ip - cannot continue"
- if $s->{$_} >= @{$p{globals}}-2;
+ if($c->{isreturn})
+ {
+ die "Out of range global offset in statement $ip - cannot continue"
+ if $s->{$_} >= @{$p{globals}};
+ print "Potentially out of range global offset in statement $ip - may crash engines"
+ if $s->{$_} >= @{$p{globals}}-2;
+ }
+ else
+ {
+ die "Out of range global offset in statement $ip - cannot continue"
+ if $s->{$_} >= @{$p{globals}}-2;
+ }
}
elsif($type eq 'outglobal')
{
}
}
-open my $fh, '<', $ARGV[0];
-parse_progs $fh;
+for my $progs (@ARGV) {
+ my $lno = "$progs.lno";
+ $lno =~ s/\.dat\.lno$/.lno/;
+
+ open my $fh, '<', $progs
+ or die "$progs: $!";
+
+ open my $lnofh, '<', $lno
+ or warn "$lno: $!";
+
+ parse_progs $fh, $lnofh;
+}