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 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 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 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 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