LNO support.

[xonotic/xonotic.git] / misc / tools / progs-analyzer.pl

diff --git a/misc/tools/progs-analyzer.pl b/misc/tools/progs-analyzer.pl
index e8d7a21260382821c053077e18343beee5f151c2..026d6af4fcd414458aebea8c4e115998cda1be2e 100755 (executable)
--- a/misc/tools/progs-analyzer.pl
+++ b/misc/tools/progs-analyzer.pl
@@ -191,6 +191,19 @@ use constant DFUNCTION_T => [
        [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, $len) = @_;
@@ -364,6 +377,20 @@ sub str($)
        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) = @_;
@@ -511,7 +538,8 @@ sub disassemble_function($$;$)
                                {
                                        print PRE_MARK_STATEMENT;
                                        printf INSTRUCTION_FORMAT, '', '<!>', '.WARN';
-                                       printf OPERAND_FORMAT, "$_ (in $func->{debugname})";
+                                       my $pos = debugpos $progs, $func, $ip;
+                                       printf OPERAND_FORMAT, "$_ (in $pos)";
                                        print INSTRUCTION_SEPARATOR;
                                }
                        }
@@ -1160,15 +1188,40 @@ sub detect_constants($)
        };
 }
 
-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};
        $p{getstring} = sub
@@ -1227,12 +1280,12 @@ sub parse_progs($)
                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 $totalparms = 0;
@@ -1243,7 +1296,9 @@ sub parse_progs($)
                                $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};
                }
        }
 
@@ -1428,5 +1483,15 @@ sub parse_progs($)
        }
 }
 
-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;
+}