mirror of
https://github.com/open-simh/simtools.git
synced 2026-01-20 17:58:12 +00:00
404a7e726d
git-subtree-dir: crossassemblers/macro11 git-subtree-mainline: fc2c8875ca614c989a594d4cf266a9d4e1c98d1e git-subtree-split: 2a14ffe2519589011ffc4050d5d4fd6591fb4c3c command was: git subtree add --prefix=crossassemblers/macro11 git://github.com/Rhialto/macro11.git master
101 lines
1.8 KiB
Perl
Executable File
101 lines
1.8 KiB
Perl
Executable File
#!/usr/pkg/bin/perl
|
|
#
|
|
# Checker script - checks if a bunch of macro11 object files have
|
|
# undefined symbols left over.
|
|
#
|
|
# Uses the dumpobj tool to parse the object files.
|
|
#
|
|
use strict;
|
|
#use Data::Dumper;
|
|
|
|
my %symtab;
|
|
|
|
# Symbols are stored in the symbol table.
|
|
# They have 2 fields:
|
|
# - a list of definitions (hopefully 1 entry long)
|
|
# - a list of references
|
|
|
|
sub read_object_file {
|
|
my $fn = shift;
|
|
|
|
if ($fn =~ /\.def$/i) {
|
|
open OBJ, "<", $fn;
|
|
} else {
|
|
open OBJ, "dumpobj '".$fn."' |";
|
|
}
|
|
|
|
my $gsd = 0;
|
|
my $line = <OBJ>;
|
|
|
|
while (defined $line) {
|
|
# print $line;
|
|
if ($line =~ /^GSD:/) {
|
|
$gsd = 1;
|
|
# print "gsd = 1\n";
|
|
} elsif ($line =~ /^ENDGSD/) {
|
|
$gsd = 0;
|
|
# print "gsd = 0\n";
|
|
} elsif ($gsd) {
|
|
#print $line;
|
|
# GLOBAL AT$CDT=0 REF ABS flags=100
|
|
if ($line =~ /GLOBAL ([A-Z0-9.\$]*)=[0-9]* (.*)/) {
|
|
my $symbol = $1;
|
|
my $flags = $2;
|
|
|
|
#print "flags: $flags\n";
|
|
my $key = 'refs';
|
|
if ($flags =~ /\bDEF\b/) {
|
|
$key = 'defs';
|
|
}
|
|
|
|
if (!defined $symtab{$symbol}) {
|
|
$symtab{$symbol} = {
|
|
'defs' => [],
|
|
'refs' => []
|
|
};
|
|
}
|
|
|
|
push @{$symtab{$symbol}->{$key}}, $fn;
|
|
}
|
|
}
|
|
$line = <OBJ>;
|
|
}
|
|
|
|
close OBJ;
|
|
}
|
|
|
|
# Read all object files
|
|
|
|
foreach my $fn (@ARGV) {
|
|
read_object_file($fn);
|
|
|
|
# print Dumper(\%symtab);
|
|
}
|
|
|
|
# Check which symbols have no definition
|
|
|
|
print "Symbols with no definition:\n";
|
|
my $undefs = 0;
|
|
|
|
foreach my $key (sort keys %symtab) {
|
|
#print $key, " : ", Dumper($entry);
|
|
my $entry = %symtab{$key};
|
|
|
|
my @defs = @{$entry->{defs}};
|
|
#print (@defs), "\n";
|
|
#print scalar(@defs), "\n";
|
|
|
|
if (scalar(@defs) == 0) {
|
|
$undefs++;
|
|
print $key, ":";
|
|
for my $ref (@{$entry->{refs}}) {
|
|
print " ", $ref;
|
|
}
|
|
print "\n";
|
|
}
|
|
}
|
|
|
|
if ($undefs == 0) {
|
|
print "(none)\n";
|
|
}
|