| /******************************************************************************* |
| * Copyright (c) 2004, 2012 Intel Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Intel Corporation - Initial API and implementation |
| * Mark Mitchell, CodeSourcery - Bug 136896: View variables in binary format |
| * Mathias Kunter - Bug 370462: View variables in octal format |
| *******************************************************************************/ |
| package org.eclipse.cdt.utils; |
| |
| import java.io.Serializable; |
| import java.math.BigInteger; |
| |
| import org.eclipse.cdt.core.IAddress; |
| import org.eclipse.cdt.internal.core.Messages; |
| |
| public class Addr64 implements IAddress, Serializable { |
| |
| public static final Addr64 ZERO = new Addr64("0"); //$NON-NLS-1$ |
| public static final Addr64 MAX = new Addr64("ffffffffffffffff", 16); //$NON-NLS-1$ |
| |
| public static final BigInteger MAX_OFFSET = new BigInteger("ffffffffffffffff", 16); //$NON-NLS-1$ |
| |
| private static final int BYTES_NUM = 8; |
| private static final int DIGITS_NUM = BYTES_NUM * 2; |
| private static final int CHARS_NUM = DIGITS_NUM + 2; |
| private static final int OCTAL_DIGITS_NUM = (BYTES_NUM * 8 + 2) / 3; |
| private static final int OCTAL_CHARS_NUM = OCTAL_DIGITS_NUM + 1; |
| private static final int BINARY_DIGITS_NUM = BYTES_NUM * 8; |
| private static final int BINARY_CHARS_NUM = BINARY_DIGITS_NUM + 2; |
| |
| private final BigInteger address; |
| |
| public Addr64(byte[] addrBytes) { |
| address = checkAddress(new BigInteger(1, addrBytes), true); |
| } |
| |
| public Addr64(BigInteger rawaddress) { |
| this(rawaddress, true); |
| } |
| |
| public Addr64(BigInteger rawaddress, boolean truncate) { |
| address = checkAddress(rawaddress, truncate); |
| } |
| |
| public Addr64(String addr) { |
| this(addr, true); |
| } |
| |
| public Addr64(String addr, boolean truncate) { |
| addr = addr.toLowerCase(); |
| if (addr.startsWith("0x")) { //$NON-NLS-1$ |
| address = checkAddress(new BigInteger(addr.substring(2), 16), truncate); |
| } else { |
| address = checkAddress(new BigInteger(addr, 10), truncate); |
| } |
| } |
| |
| public Addr64(String addr, int radix) { |
| this(addr, radix, true); |
| } |
| |
| public Addr64(String addr, int radix, boolean truncate) { |
| this(new BigInteger(addr, radix), truncate); |
| } |
| |
| private BigInteger checkAddress(BigInteger addr, boolean truncate) { |
| if (addr.signum() == -1) { |
| throw new IllegalArgumentException("Invalid Address, must be positive value"); //$NON-NLS-1$ |
| } |
| if (addr.bitLength() > 64 ) { |
| if (truncate) { |
| return addr.and(MAX.getValue()); // truncate |
| } |
| else { |
| throw (new NumberFormatException(Messages.Addr_valueOutOfRange)); |
| } |
| } |
| return addr; |
| } |
| |
| |
| @Override |
| public IAddress add(BigInteger offset) { |
| return new Addr64(this.address.add(offset)); |
| } |
| |
| @Override |
| public IAddress add(long offset) { |
| return new Addr64(this.address.add(BigInteger.valueOf(offset))); |
| } |
| |
| @Override |
| public BigInteger getMaxOffset() { |
| return MAX_OFFSET; |
| } |
| |
| @Override |
| public BigInteger distanceTo(IAddress other) { |
| return other.getValue().subtract(getValue()); |
| } |
| |
| @Override |
| public boolean isMax() { |
| return address.equals(MAX.getValue()); |
| } |
| |
| @Override |
| public boolean isZero() { |
| return address.equals(ZERO.getValue()); |
| } |
| |
| @Override |
| public BigInteger getValue() { |
| return address; |
| } |
| |
| @Override |
| public int compareTo(Object other) { |
| if (!(other instanceof IAddress)) { |
| throw new IllegalArgumentException(); |
| } |
| |
| return getValue().compareTo(((IAddress)other).getValue()); |
| } |
| |
| @Override |
| public boolean equals(Object x) { |
| if (x == this) |
| return true; |
| if (!(x instanceof IAddress)) |
| return false; |
| return getValue().equals(((IAddress)x).getValue()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return address.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return toString(10); |
| } |
| |
| @Override |
| public String toString(int radix) { |
| return address.toString(radix); |
| } |
| |
| @Override |
| public String toHexAddressString() { |
| String addressString = address.toString(16); |
| StringBuffer sb = new StringBuffer(CHARS_NUM); |
| int count = DIGITS_NUM - addressString.length(); |
| sb.append("0x"); //$NON-NLS-1$ |
| for (int i = 0; i < count; ++i) { |
| sb.append('0'); |
| } |
| sb.append(addressString); |
| return sb.toString(); |
| } |
| |
| /** |
| * @since 5.4 |
| */ |
| public String toOctalAddressString() { |
| String addressString = address.toString(8); |
| StringBuffer sb = new StringBuffer(OCTAL_CHARS_NUM); |
| int count = OCTAL_DIGITS_NUM - addressString.length(); |
| sb.append("0"); //$NON-NLS-1$ |
| for (int i = 0; i < count; ++i) { |
| sb.append('0'); |
| } |
| sb.append(addressString); |
| return sb.toString(); |
| } |
| |
| @Override |
| public String toBinaryAddressString() { |
| String addressString = address.toString(2); |
| StringBuffer sb = new StringBuffer(BINARY_CHARS_NUM); |
| int count = BINARY_DIGITS_NUM - addressString.length(); |
| sb.append("0b"); //$NON-NLS-1$ |
| for (int i = 0; i < count; ++i) { |
| sb.append('0'); |
| } |
| sb.append(addressString); |
| return sb.toString(); |
| } |
| |
| @Override |
| public int getCharsNum() { |
| return CHARS_NUM; |
| } |
| |
| @Override |
| public int getSize() { |
| return BYTES_NUM; |
| } |
| } |
| |