/*
* Copyright (c) 2000, 2008, Oracle and/or its affiliates. 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.
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package sun.jvm.hotspot.debugger;
import java.io.Serializable;
/** Encapsulates machine-specific information that currently must be
exported up to the Java level. Implementations must be
serializable. */
public interface MachineDescription extends Serializable {
/** Returns the size of an address in bytes. Currently needed to be
able to traverse arrays of pointers or oops. */
public long getAddressSize();
/** Returns the maximum value of the C integer type with the given
size in bytes and signedness. Throws IllegalArgumentException if
the size in bytes is not legal for a C type (or can not be
handled by this system). Note that the current implementation
does not currently handle unsigned 8-byte longs properly. */
public long cIntegerTypeMaxValue(long sizeInBytes, boolean isUnsigned);
/** Returns the minimum value of the C integer type with the given
size in bytes and signedness. Throws IllegalArgumentException if
the size in bytes is not legal for a C type (or can not be
handled by this system). */
public long cIntegerTypeMinValue(long sizeInBytes, boolean isUnsigned);
/** Indicates whether the CPU is big- or little-endian. This
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