1 /*
2  * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
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9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23  */
24 
25 package sun.jvm.hotspot.interpreter;
26 
27 import sun.jvm.hotspot.oops.*;
28 import sun.jvm.hotspot.runtime.*;
29 import sun.jvm.hotspot.utilities.*;
30 
31 /** Helper class for computing oop maps for native methods */
32 
33 class MaskFillerForNative extends NativeSignatureIterator {
MaskFillerForNative(Method method, BitMap mask, int maskSize)34   MaskFillerForNative(Method method, BitMap mask, int maskSize) {
35     super(method);
36     this.mask = mask;
37     this.size = maskSize;
38   }
39 
passInt()40   public void passInt()    { /* ignore */ }
passLong()41   public void passLong()   { /* ignore */ }
passFloat()42   public void passFloat()  { /* ignore */ }
passDouble()43   public void passDouble() { /* ignore */ }
passObject()44   public void passObject() { mask.atPut(offset(), true); }
45 
generate()46   public void generate() {
47     super.iterate();
48   }
49 
50   //----------------------------------------------------------------------
51   // Internals only below this point
52   //
53   private BitMap mask;
54   private int    size;
55 }
56