1 /*
2 * Copyright 2000-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.code;
26
27 import java.util.*;
28
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.runtime.VM;
31 import sun.jvm.hotspot.utilities.*;
32
33 public class DebugInfoReadStream extends CompressedReadStream {
34 private NMethod code;
35 private int InvocationEntryBCI;
36 private List objectPool; // ArrayList<ObjectValue>
37
38 public DebugInfoReadStream(NMethod code, int offset) {
39 super(code.scopesDataBegin(), offset);
40 InvocationEntryBCI = VM.getVM().getInvocationEntryBCI();
63 }
64 }
65 ObjectValue result = new ObjectValue(id);
66 // Cache the object since an object field could reference it.
67 objectPool.add(result);
68 result.readObject(this);
69 return result;
70 }
71
72 ScopeValue getCachedObject() {
73 int id = readInt();
74 Assert.that(objectPool != null, "object pool does not exist");
75 for (Iterator itr = objectPool.iterator(); itr.hasNext();) {
76 ObjectValue ov = (ObjectValue) itr.next();
77 if (ov.id() == id) {
78 return ov;
79 }
80 }
81 Assert.that(false, "should not reach here");
82 return null;
83 }
84 }
|
1 /*
2 * Copyright (c) 2000, 2009, 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,
20 * CA 94065 USA or visit www.oracle.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.code;
26
27 import java.util.*;
28
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.runtime.VM;
31 import sun.jvm.hotspot.utilities.*;
32
33 public class DebugInfoReadStream extends CompressedReadStream {
34 private NMethod code;
35 private int InvocationEntryBCI;
36 private List objectPool; // ArrayList<ObjectValue>
37
38 public DebugInfoReadStream(NMethod code, int offset) {
39 super(code.scopesDataBegin(), offset);
40 InvocationEntryBCI = VM.getVM().getInvocationEntryBCI();
63 }
64 }
65 ObjectValue result = new ObjectValue(id);
66 // Cache the object since an object field could reference it.
67 objectPool.add(result);
68 result.readObject(this);
69 return result;
70 }
71
72 ScopeValue getCachedObject() {
73 int id = readInt();
74 Assert.that(objectPool != null, "object pool does not exist");
75 for (Iterator itr = objectPool.iterator(); itr.hasNext();) {
76 ObjectValue ov = (ObjectValue) itr.next();
77 if (ov.id() == id) {
78 return ov;
79 }
80 }
81 Assert.that(false, "should not reach here");
82 return null;
83 }
84
85 public int readBCI() {
86 return readInt() + InvocationEntryBCI;
87 }
88 }
|