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annotate agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/BasicArrayType.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
| author | jrose |
|---|---|
| date | Sat, 30 Oct 2010 13:08:23 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.debugger.cdbg.basic; | |
| 26 | |
| 27 import sun.jvm.hotspot.debugger.*; | |
| 28 import sun.jvm.hotspot.debugger.cdbg.*; | |
| 29 | |
| 30 public class BasicArrayType extends BasicType implements ArrayType { | |
| 31 private Type elementType; | |
| 32 private int length; | |
| 33 | |
| 34 public BasicArrayType(String name, Type elementType, int sizeInBytes) { | |
| 35 this(name, elementType, sizeInBytes, 0, 0); | |
| 36 } | |
| 37 | |
| 38 private BasicArrayType(String name, Type elementType, int sizeInBytes, int length, int cvAttributes) { | |
| 39 super(name, sizeInBytes, cvAttributes); | |
| 40 this.elementType = elementType; | |
| 41 this.length = length; | |
| 42 } | |
| 43 | |
| 44 public ArrayType asArray() { return this; } | |
| 45 | |
| 46 public Type getElementType() { return elementType; } | |
| 47 public int getLength() { return length; } | |
| 48 | |
| 49 Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { | |
| 50 super.resolveTypes(db, listener); | |
| 51 elementType = db.resolveType(this, elementType, listener, "resolving array element type"); | |
| 52 // FIXME: need to figure out whether we have to align object sizes | |
| 53 // ourselves (see below) | |
| 54 if (!((BasicType) elementType).isLazy()) { | |
| 55 length = getSize() / elementType.getSize(); | |
| 56 } | |
| 57 return this; | |
| 58 } | |
| 59 | |
| 60 public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) { | |
| 61 // What kind of iteration are we doing? If the end user requested | |
| 62 // iteration over a given array at a given address, the field | |
| 63 // identifier will be null, and we should descend and iterate | |
| 64 // through the array. Otherwise, we are already iterating through | |
| 65 // an object, and it is up to the end user whether to descend into | |
| 66 // the embedded object. | |
| 67 | |
| 68 if (f == null) { | |
| 69 v.enterType(this, a); | |
| 70 for (int i = 0; i < getLength(); i++) { | |
| 71 // FIXME: need to figure out whether we need to align object | |
| 72 // sizes ourselves (i.e., round up to doubleword size) or | |
| 73 // whether that reported in the debug info is already aligned | |
| 74 // (in Microsoft's compiler, I think the struct alignment is | |
| 75 // an option, so it's possible that there is nothing we are | |
| 76 // allowed to do here) | |
| 77 ((BasicType) getElementType()).iterateObject(a.addOffsetTo(i * getElementType().getSize()), | |
| 78 v, | |
| 79 new BasicIndexableFieldIdentifier(getElementType(), i)); | |
| 80 } | |
| 81 v.exitType(); | |
| 82 } else { | |
| 83 v.doArray(f, a); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 protected Type createCVVariant(int cvAttributes) { | |
| 88 return new BasicArrayType(getName(), getElementType(), getSize(), getLength(), cvAttributes); | |
| 89 } | |
| 90 | |
| 91 public void visit(TypeVisitor v) { | |
| 92 v.doArrayType(this); | |
| 93 } | |
| 94 } |