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LNO support.

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This commit is contained in:
Rudolf Polzer 2015-06-04 12:57:43 +02:00
parent a0c0c14270
commit 091f879029
1 changed files with 68 additions and 5 deletions
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73
misc/tools/progs-analyzer.pl
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@ -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};
$p{getstring} = sub
@ -1430,5 +1483,15 @@ sub parse_progs($)
}
}
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;
}