Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/BasicEnumType.java @ 650:54782a4cd321
6812971: SA: re-attaching to process fails
Summary: After attaching, de-attaching SA from a process, the second time attach() call fails. This happens because in VM.initialize(), Universe does not get re-initialized before it is accessed.
Reviewed-by: swamyv
author | poonam |
---|---|
date | Sun, 15 Mar 2009 18:11:46 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.debugger.cdbg.basic; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.utilities.Assert; public class BasicEnumType extends BasicIntType implements EnumType { // Integer type or lazy type private Type underlyingType; private static class Enum { String name; long value; Enum(String name, long value) { this.name = name; this.value = value; } String getName() { return name; } long getValue() { return value; } } private List/*<Enum>*/ enums; /** Underlying type of enum must be an integer type (or as yet unresolved) */ public BasicEnumType(String name, Type underlyingType) { this(name, underlyingType, 0); } private BasicEnumType(String name, Type underlyingType, int cvAttributes) { super(name, 0, false, cvAttributes); this.underlyingType = underlyingType; } public EnumType asEnum() { return this; } public int getSize() { return underlyingType.getSize(); } public boolean isUnsigned() { if (underlyingType.isInt()) { return ((IntType) underlyingType).isUnsigned(); } return false; } public void addEnum(String name, long val) { if (enums == null) { enums = new ArrayList(); } enums.add(new Enum(name, val)); } public int getNumEnumerates() { return enums.size(); } public String getEnumName(int i) { return ((Enum) enums.get(i)).getName(); } public long getEnumValue(int i) { return ((Enum) enums.get(i)).getValue(); } public String enumNameForValue(long val) { if (enums == null) { return null; } for (Iterator iter = enums.iterator(); iter.hasNext(); ) { Enum e = (Enum) iter.next(); if (e.getValue() == val) { return e.getName(); } } return null; } Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { super.resolveTypes(db, listener); underlyingType = db.resolveType(this, underlyingType, listener, "resolving enum type"); if (Assert.ASSERTS_ENABLED) { BasicType b = (BasicType) underlyingType; Assert.that(b.isLazy() || b.isInt(), "Underlying type of enum must be integer type (or unresolved due to error)"); } return this; } public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) { long val = a.getCIntegerAt(0, getSize(), isUnsigned()); v.doEnum(f, val, enumNameForValue(val)); } protected Type createCVVariant(int cvAttributes) { BasicEnumType t = new BasicEnumType(getName(), underlyingType, cvAttributes); t.enums = enums; return t; } public void visit(TypeVisitor v) { v.doEnumType(this); } }