Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/BasicArrayType.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 sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.cdbg.*; public class BasicArrayType extends BasicType implements ArrayType { private Type elementType; private int length; public BasicArrayType(String name, Type elementType, int sizeInBytes) { this(name, elementType, sizeInBytes, 0, 0); } private BasicArrayType(String name, Type elementType, int sizeInBytes, int length, int cvAttributes) { super(name, sizeInBytes, cvAttributes); this.elementType = elementType; this.length = length; } public ArrayType asArray() { return this; } public Type getElementType() { return elementType; } public int getLength() { return length; } Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { super.resolveTypes(db, listener); elementType = db.resolveType(this, elementType, listener, "resolving array element type"); // FIXME: need to figure out whether we have to align object sizes // ourselves (see below) if (!((BasicType) elementType).isLazy()) { length = getSize() / elementType.getSize(); } return this; } public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) { // What kind of iteration are we doing? If the end user requested // iteration over a given array at a given address, the field // identifier will be null, and we should descend and iterate // through the array. Otherwise, we are already iterating through // an object, and it is up to the end user whether to descend into // the embedded object. if (f == null) { v.enterType(this, a); for (int i = 0; i < getLength(); i++) { // FIXME: need to figure out whether we need to align object // sizes ourselves (i.e., round up to doubleword size) or // whether that reported in the debug info is already aligned // (in Microsoft's compiler, I think the struct alignment is // an option, so it's possible that there is nothing we are // allowed to do here) ((BasicType) getElementType()).iterateObject(a.addOffsetTo(i * getElementType().getSize()), v, new BasicIndexableFieldIdentifier(getElementType(), i)); } v.exitType(); } else { v.doArray(f, a); } } protected Type createCVVariant(int cvAttributes) { return new BasicArrayType(getName(), getElementType(), getSize(), getLength(), cvAttributes); } public void visit(TypeVisitor v) { v.doArrayType(this); } }