author | roland |
Tue, 09 Oct 2012 10:11:38 +0200 | |
changeset 13969 | d2a189b83b87 |
parent 5547 | f4b087cbb361 |
child 32357 | 43087bc6dd04 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2000, 2008, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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package sun.jvm.hotspot.debugger.dummy; |
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import sun.jvm.hotspot.debugger.*; |
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/** For testing purposes */ |
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class DummyAddress implements Address { |
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protected DummyDebugger debugger; |
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protected long addr; |
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private static final long badLong = 0xBAADBABEL; |
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private static final double badDouble = 1.23456; |
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DummyAddress(DummyDebugger debugger, long addr) { |
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this.debugger = debugger; |
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this.addr = addr; |
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} |
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// |
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// Basic Java routines |
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// |
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public boolean equals(Object arg) { |
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if (arg == null) { |
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return false; |
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} |
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if (!(arg instanceof DummyAddress)) { |
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return false; |
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} |
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return (addr == ((DummyAddress) arg).addr); |
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} |
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public int hashCode() { |
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// FIXME: suggestions on a better hash code? |
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return (int) addr; |
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} |
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public String toString() { |
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return debugger.addressToString(this); |
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} |
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// |
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// C/C++-related routines |
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// |
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public long getCIntegerAt(long offset, long numBytes, boolean isUnsigned) throws UnalignedAddressException, UnmappedAddressException { |
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return badLong; |
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} |
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public Address getAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return new DummyAddress(debugger, badLong); |
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} |
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public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return new DummyAddress(debugger, badLong); |
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} |
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public Address getCompKlassAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return new DummyAddress(debugger, badLong); |
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} |
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// |
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// Java-related routines |
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// |
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public boolean getJBooleanAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return false; |
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} |
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public byte getJByteAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return (byte) badLong; |
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} |
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public char getJCharAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return (char) badLong; |
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} |
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public double getJDoubleAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return badDouble; |
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} |
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public float getJFloatAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return (float) badDouble; |
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} |
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public int getJIntAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return (int) badLong; |
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} |
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public long getJLongAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return badLong; |
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} |
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public short getJShortAt(long offset) throws UnalignedAddressException, UnmappedAddressException { |
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return (short) badLong; |
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} |
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public OopHandle getOopHandleAt(long offset) |
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throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { |
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return new DummyOopHandle(debugger, badLong); |
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} |
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public OopHandle getCompOopHandleAt(long offset) |
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throws UnalignedAddressException, UnmappedAddressException, NotInHeapException { |
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return new DummyOopHandle(debugger, badLong); |
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} |
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// Mutators -- not implemented |
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public void setCIntegerAt(long offset, long numBytes, long value) { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setAddressAt(long offset, Address value) { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJBooleanAt (long offset, boolean value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJByteAt (long offset, byte value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJCharAt (long offset, char value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJDoubleAt (long offset, double value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJFloatAt (long offset, float value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJIntAt (long offset, int value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJLongAt (long offset, long value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setJShortAt (long offset, short value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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public void setOopHandleAt (long offset, OopHandle value) |
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throws UnmappedAddressException, UnalignedAddressException { |
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throw new DebuggerException("Unimplemented"); |
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} |
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// |
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// Arithmetic operations -- necessary evil. |
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// |
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public Address addOffsetTo (long offset) throws UnsupportedOperationException { |
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long value = addr + offset; |
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if (value == 0) { |
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return null; |
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} |
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return new DummyAddress(debugger, value); |
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} |
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public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException { |
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long value = addr + offset; |
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if (value == 0) { |
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return null; |
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} |
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return new DummyOopHandle(debugger, value); |
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} |
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/** (FIXME: any signed/unsigned issues? Should this work for |
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OopHandles?) */ |
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public long minus(Address arg) { |
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if (arg == null) { |
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return addr; |
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} |
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return addr - ((DummyAddress) arg).addr; |
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} |
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// Two's complement representation. |
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// All negative numbers are larger than positive numbers. |
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// Numbers with the same sign can be compared normally. |
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// Test harness is below in main(). |
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public boolean lessThan (Address arg) { |
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DummyAddress DummyArg = (DummyAddress) arg; |
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if ((addr >= 0) && (DummyArg.addr < 0)) { |
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return true; |
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} |
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if ((addr < 0) && (DummyArg.addr >= 0)) { |
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return false; |
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} |
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return (addr < DummyArg.addr); |
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} |
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public boolean lessThanOrEqual (Address arg) { |
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DummyAddress DummyArg = (DummyAddress) arg; |
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if ((addr >= 0) && (DummyArg.addr < 0)) { |
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return true; |
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} |
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if ((addr < 0) && (DummyArg.addr >= 0)) { |
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return false; |
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} |
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return (addr <= DummyArg.addr); |
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} |
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public boolean greaterThan (Address arg) { |
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DummyAddress DummyArg = (DummyAddress) arg; |
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if ((addr >= 0) && (DummyArg.addr < 0)) { |
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return false; |
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} |
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if ((addr < 0) && (DummyArg.addr >= 0)) { |
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return true; |
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} |
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return (addr > DummyArg.addr); |
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} |
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public boolean greaterThanOrEqual(Address arg) { |
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DummyAddress DummyArg = (DummyAddress) arg; |
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if ((addr >= 0) && (DummyArg.addr < 0)) { |
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return false; |
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} |
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if ((addr < 0) && (DummyArg.addr >= 0)) { |
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return true; |
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} |
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return (addr >= DummyArg.addr); |
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} |
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public Address andWithMask(long mask) throws UnsupportedOperationException { |
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long value = addr & mask; |
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if (value == 0) { |
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return null; |
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} |
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return new DummyAddress(debugger, value); |
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} |
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public Address orWithMask(long mask) throws UnsupportedOperationException { |
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long value = addr | mask; |
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if (value == 0) { |
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return null; |
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} |
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return new DummyAddress(debugger, value); |
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} |
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public Address xorWithMask(long mask) throws UnsupportedOperationException { |
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long value = addr ^ mask; |
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if (value == 0) { |
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return null; |
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} |
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return new DummyAddress(debugger, value); |
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} |
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//-------------------------------------------------------------------------------- |
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// Internals only below this point |
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// |
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long getValue() { |
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return addr; |
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} |
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private static void check(boolean arg, String failMessage) { |
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if (!arg) { |
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System.err.println(failMessage + ": FAILED"); |
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System.exit(1); |
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} |
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} |
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// Test harness |
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public static void main(String[] args) { |
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// p/n indicates whether the interior address is really positive |
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// or negative. In unsigned terms, p1 < p2 < n1 < n2. |
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DummyAddress p1 = new DummyAddress(null, 0x7FFFFFFFFFFFFFF0L); |
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DummyAddress p2 = (DummyAddress) p1.addOffsetTo(10); |
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DummyAddress n1 = (DummyAddress) p2.addOffsetTo(10); |
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DummyAddress n2 = (DummyAddress) n1.addOffsetTo(10); |
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// lessThan positive tests |
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check(p1.lessThan(p2), "lessThan 1"); |
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check(p1.lessThan(n1), "lessThan 2"); |
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check(p1.lessThan(n2), "lessThan 3"); |
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check(p2.lessThan(n1), "lessThan 4"); |
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check(p2.lessThan(n2), "lessThan 5"); |
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check(n1.lessThan(n2), "lessThan 6"); |
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// lessThan negative tests |
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check(!p1.lessThan(p1), "lessThan 7"); |
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check(!p2.lessThan(p2), "lessThan 8"); |
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check(!n1.lessThan(n1), "lessThan 9"); |
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check(!n2.lessThan(n2), "lessThan 10"); |
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317 |
check(!p2.lessThan(p1), "lessThan 11"); |
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check(!n1.lessThan(p1), "lessThan 12"); |
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check(!n2.lessThan(p1), "lessThan 13"); |
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check(!n1.lessThan(p2), "lessThan 14"); |
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check(!n2.lessThan(p2), "lessThan 15"); |
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check(!n2.lessThan(n1), "lessThan 16"); |
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// lessThanOrEqual positive tests |
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325 |
check(p1.lessThanOrEqual(p1), "lessThanOrEqual 1"); |
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check(p2.lessThanOrEqual(p2), "lessThanOrEqual 2"); |
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check(n1.lessThanOrEqual(n1), "lessThanOrEqual 3"); |
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check(n2.lessThanOrEqual(n2), "lessThanOrEqual 4"); |
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330 |
check(p1.lessThanOrEqual(p2), "lessThanOrEqual 5"); |
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check(p1.lessThanOrEqual(n1), "lessThanOrEqual 6"); |
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check(p1.lessThanOrEqual(n2), "lessThanOrEqual 7"); |
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check(p2.lessThanOrEqual(n1), "lessThanOrEqual 8"); |
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check(p2.lessThanOrEqual(n2), "lessThanOrEqual 9"); |
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check(n1.lessThanOrEqual(n2), "lessThanOrEqual 10"); |
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337 |
// lessThanOrEqual negative tests |
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338 |
check(!p2.lessThanOrEqual(p1), "lessThanOrEqual 11"); |
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339 |
check(!n1.lessThanOrEqual(p1), "lessThanOrEqual 12"); |
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check(!n2.lessThanOrEqual(p1), "lessThanOrEqual 13"); |
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341 |
check(!n1.lessThanOrEqual(p2), "lessThanOrEqual 14"); |
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342 |
check(!n2.lessThanOrEqual(p2), "lessThanOrEqual 15"); |
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343 |
check(!n2.lessThanOrEqual(n1), "lessThanOrEqual 16"); |
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344 |
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345 |
// greaterThan positive tests |
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346 |
check(n2.greaterThan(p1), "greaterThan 1"); |
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347 |
check(n2.greaterThan(p2), "greaterThan 2"); |
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348 |
check(n2.greaterThan(n1), "greaterThan 3"); |
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349 |
check(n1.greaterThan(p1), "greaterThan 4"); |
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350 |
check(n1.greaterThan(p2), "greaterThan 5"); |
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351 |
check(p2.greaterThan(p1), "greaterThan 6"); |
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352 |
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353 |
// greaterThan negative tests |
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354 |
check(!p1.greaterThan(p1), "greaterThan 7"); |
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355 |
check(!p2.greaterThan(p2), "greaterThan 8"); |
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356 |
check(!n1.greaterThan(n1), "greaterThan 9"); |
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357 |
check(!n2.greaterThan(n2), "greaterThan 10"); |
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358 |
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359 |
check(!p1.greaterThan(n2), "greaterThan 11"); |
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360 |
check(!p2.greaterThan(n2), "greaterThan 12"); |
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361 |
check(!n1.greaterThan(n2), "greaterThan 13"); |
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362 |
check(!p1.greaterThan(n1), "greaterThan 14"); |
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363 |
check(!p2.greaterThan(n1), "greaterThan 15"); |
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364 |
check(!p1.greaterThan(p2), "greaterThan 16"); |
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365 |
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366 |
// greaterThanOrEqual positive tests |
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367 |
check(p1.greaterThanOrEqual(p1), "greaterThanOrEqual 1"); |
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368 |
check(p2.greaterThanOrEqual(p2), "greaterThanOrEqual 2"); |
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369 |
check(n1.greaterThanOrEqual(n1), "greaterThanOrEqual 3"); |
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370 |
check(n2.greaterThanOrEqual(n2), "greaterThanOrEqual 4"); |
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371 |
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372 |
check(n2.greaterThanOrEqual(p1), "greaterThanOrEqual 5"); |
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373 |
check(n2.greaterThanOrEqual(p2), "greaterThanOrEqual 6"); |
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374 |
check(n2.greaterThanOrEqual(n1), "greaterThanOrEqual 7"); |
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375 |
check(n1.greaterThanOrEqual(p1), "greaterThanOrEqual 8"); |
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376 |
check(n1.greaterThanOrEqual(p2), "greaterThanOrEqual 9"); |
|
377 |
check(p2.greaterThanOrEqual(p1), "greaterThanOrEqual 10"); |
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378 |
||
379 |
// greaterThanOrEqual negative tests |
|
380 |
check(!p1.greaterThanOrEqual(n2), "greaterThanOrEqual 11"); |
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381 |
check(!p2.greaterThanOrEqual(n2), "greaterThanOrEqual 12"); |
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382 |
check(!n1.greaterThanOrEqual(n2), "greaterThanOrEqual 13"); |
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383 |
check(!p1.greaterThanOrEqual(n1), "greaterThanOrEqual 14"); |
|
384 |
check(!p2.greaterThanOrEqual(n1), "greaterThanOrEqual 15"); |
|
385 |
check(!p1.greaterThanOrEqual(p2), "greaterThanOrEqual 16"); |
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386 |
||
387 |
System.err.println("DummyAddress: all tests passed successfully."); |
|
388 |
} |
|
389 |
} |