126 lines
2.7 KiB
Batchfile
126 lines
2.7 KiB
Batchfile
@rem = '
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@perl.exe -w %~f0 %*
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@goto :EOF
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'; undef @rem;
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### checkcrt.bat - list .obj files which import illegal crt functions.
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# Recursively scans all .obj files which are in obj\i386\ directories,
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# but doesn't recurse into directories called 'test'.
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#
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# @allowed: List of functions which are allowed as library references,
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# because Office implements them.
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@allowed = ("__purecall", "__ftol", "__except_handler3");
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foreach $a (@allowed) { $allowed{$a}=1; }
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## checkObj - checks a given object file for imported names
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#
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# Scans link /dump /relocations for records that match illegal names
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sub checkObj {
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my $fn = $_[0];
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## Exclude crtcheck.obj - it's part of the solution,
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## not part of the problem.
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if ($fn =~ /crtcheck.obj$/i) { return; }
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$ObjectFilesChecked++;
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open(OBJ, "link /dump /relocations $fn |");
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while (<OBJ>) {
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if (/^ [0-9A-F]+\s+\S+\s+[0-9A-F]+\s+[0-9A-F]+\s+(__imp_)?(\S+)/) {
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my $func = $2;
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if (exists($illegal{$func})) {
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$import{$func}{$fn} = 1;
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} else {
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# print "Legal: $func\n";
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}
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}
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}
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close(OBJ);
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}
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## processdir
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#
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# Processes a directory. If this is an obj\i386 directory, calls checkObj
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# for every *.obj file.
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#
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# Then recursively calls processdir for each subdirectory.
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sub processdir {
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my $dir = $_[0];
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my $fn;
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my $objdir = 0;
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$objdir = 1 if $dir =~ m[/obj/i386$];
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opendir(DIR, $dir);
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my @files = sort readdir(DIR);
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closedir(DIR);
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foreach $fn (@files) {
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if ($objdir) {
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if ($fn =~ /\.obj *$/) {
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checkObj("$dir/$fn");
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}
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}
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if (-d "$dir/$fn") {
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# Skip directories called ".", "..", or "test"
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if ($fn !~ /^(\.)|(\.\.)|(test)$/) {
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processdir("$dir/$fn");
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}
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}
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}
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}
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## GetCRTentryPoints
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#
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# Uses link /dump on msvcrt.lib to obtain all its function names
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sub GetCRTentryPoints()
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{
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my $crtfn = $ENV{"_NTBINDIR"} . "\\public\\sdk\\lib\\i386\\msvcrt.lib";
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if (!-f $crtfn) { die "$crtfn not found.\n"; }
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#print "Debug: crtfn = $crtfn\n";
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open(LIB, "link /dump /exports $crtfn |");
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while (<LIB>) {
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if (/^ ([^ \r\n]+)/) {
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if (!$allowed{$1}) {
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$illegal{$1}++;
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# print "Illegal: $1\n";
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}
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}
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}
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close(LIB);
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}
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### MAIN
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GetCRTentryPoints();
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processdir(".");
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foreach $i (sort keys %import) {
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print "$i\n";
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foreach $fn (sort keys %{ $import{$i} }) {
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$fn =~ s[^\./][];
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print "\t$fn\n";
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}
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}
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print "\n$ObjectFilesChecked object files checked.\n";
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