hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/JVMDebugger.java
author coleenp
Sun, 13 Apr 2008 17:43:42 -0400
changeset 360 21d113ecbf6a
parent 1 489c9b5090e2
child 670 ddf3e9583f2f
permissions -rw-r--r--
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
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/*
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 * Copyright 2000 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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package sun.jvm.hotspot.debugger;
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/** An extension of the Debugger interface which can be configured
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    with Java type sizes to allow the sizes of primitive Java types to
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    be read from the remote JVM. */
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public interface JVMDebugger extends Debugger {
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  /** This intent is that this can be called late in the bootstrapping
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      sequence, after which the debugger can handle reading of Java
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      primitive types, and thereby implement the Java functionality in
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      class Address. FIXME: consider adding oop size here as well and
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      removing it from the MachineDescription. */
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  public void configureJavaPrimitiveTypeSizes(long jbooleanSize,
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                                              long jbyteSize,
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                                              long jcharSize,
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                                              long jdoubleSize,
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                                              long jfloatSize,
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                                              long jintSize,
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                                              long jlongSize,
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                                              long jshortSize);
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  public void putHeapConst(long heapBase, long heapOopSize, long logMinObjAlignment);
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}