more of the same: add printf() for perlasm.

diff --git a/crypto/perlasm/x86unix.pl b/crypto/perlasm/x86unix.pl
index f89d473b7e2fd891db17e734df0a59a8355e7e83..560da0a7083a321fc026470a00dcf30a29f5ef02 100644 (file)
--- a/crypto/perlasm/x86unix.pl
+++ b/crypto/perlasm/x86unix.pl
@@ -466,21 +466,49 @@ sub main'data_word
 
 sub main'puts
        {
-           $constl++;
-           &main'push('$Lstring' . $constl);
-           &main'call('puts');
-           &main'add("esp",4);
+       &main'push('$Lstring' . ++$constl);
+       &main'call('puts');
+       $stack-=4;
+       &main'add("esp",4);
 
-           $const .= "Lstring$constl:\n\t.string \"@_[0]\"\n";
+       $const .= "Lstring$constl:\n\t.string \"@_[0]\"\n";
        }
 
 sub main'putx
        {
-           $constl++;
-           &main'push($_[0]);
-           &main'push('$Lstring' . $constl);
-           &main'call('printf');
-           &main'add("esp",8);
+       &main'push($_[0]);
+       &main'push('$Lstring' . ++$constl);
+       &main'call('printf');
+       $stack-=8;
+       &main'add("esp",8);
 
-           $const .= "Lstring$constl:\n\t.string \"\%X\"\n";
+       $const .= "Lstring$constl:\n\t.string \"\%X\"\n";
+       }
+
+sub main'printf
+       {
+       $ostack = $stack;
+       for ($i = @_ - 1; $i >= 0; $i--)
+               {
+               $constl++;
+               if ($i == 0) # change this to support %s format strings
+                       {
+                       &main'push('$Lstring' . $constl);
+                       $const .= "Lstring$constl:\n\t.string \"@_[$i]\"\n";
+                       }
+               else
+                       {
+                       if ($_[$i] =~ /([0-9]*)\(%esp\)/)
+                               {
+                               &main'push(($1 + $stack - $ostack) . '(%esp)');
+                               }
+                       else
+                               {
+                               &main'push($_[$i]);
+                               }
+                       }
+               }
+       &main'call('printf');
+       $stack=$ostack;
+       &main'add("esp",4*@_);
        }