author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 35217 | hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/StackValueCollection.java@ce4b5303a813 |
child 47601 | f9ace8da5e9c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 2003, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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package sun.jvm.hotspot.runtime; |
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import java.util.*; |
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import sun.jvm.hotspot.debugger.*; |
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public class StackValueCollection { |
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private List list; |
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public StackValueCollection() { list = new ArrayList(); } |
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public StackValueCollection(int length) { list = new ArrayList(length); } |
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public void add(StackValue val) { list.add(val); } |
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public int size() { return list.size(); } |
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public boolean isEmpty() { return (size() == 0); } |
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public StackValue get(int i) { return (StackValue) list.get(i); } |
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// Get typed locals/expressions |
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// FIXME: must figure out whether word swapping is necessary on x86 |
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public boolean booleanAt(int slot) { return (int)get(slot).getInteger() != 0; } |
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public byte byteAt(int slot) { return (byte) get(slot).getInteger(); } |
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public char charAt(int slot) { return (char) get(slot).getInteger(); } |
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public short shortAt(int slot) { return (short) get(slot).getInteger(); } |
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public int intAt(int slot) { return (int) get(slot).getInteger(); } |
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public long longAt(int slot) { return VM.getVM().buildLongFromIntsPD((int) get(slot).getInteger(), |
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(int) get(slot+1).getInteger()); } |
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public OopHandle oopHandleAt(int slot) { return get(slot).getObject(); } |
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public float floatAt(int slot) { return Float.intBitsToFloat(intAt(slot)); } |
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public double doubleAt(int slot) { return Double.longBitsToDouble(longAt(slot)); } |
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} |