View Javadoc
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, CA 94065 USA
20   * or visit www.oracle.com if you need additional information or have any
21   * questions.
22   *
23   */
24  
25  package sun.jvm.hotspot.debugger;
26  
27  /** An extension of the Debugger interface which can be configured
28      with Java type sizes to allow the sizes of primitive Java types to
29      be read from the remote JVM. */
30  
31  public interface JVMDebugger extends Debugger {
32    /** This intent is that this can be called late in the bootstrapping
33        sequence, after which the debugger can handle reading of Java
34        primitive types, and thereby implement the Java functionality in
35        class Address. FIXME: consider adding oop size here as well and
36        removing it from the MachineDescription. */
37    public void configureJavaPrimitiveTypeSizes(long jbooleanSize,
38                                                long jbyteSize,
39                                                long jcharSize,
40                                                long jdoubleSize,
41                                                long jfloatSize,
42                                                long jintSize,
43                                                long jlongSize,
44                                                long jshortSize);
45    public void putHeapConst(long heapOopSize, long klassPtrSize,
46                             long narrowKlassBase, int narrowKlassShift,
47                             long narrowOopBase, int narrowOopShift);
48  }