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/*******************************************************************************
* Copyright (c) 2010, 2016 Wind River Systems, Inc. and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Wind River Systems - initial API and implementation
* Freescale Semiconductor - refactoring
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.disassembly.dsf;
import java.math.BigInteger;
import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
import org.eclipse.core.runtime.Platform;
/**
* Some general utilities used by the DSF Disassembly view and its backends
*/
public class DisassemblyUtils {
/**
* Trace option. The view started out and continues to be in DSF but
* backends can be non-DSF.
*/
public final static boolean DEBUG = Boolean
.parseBoolean(Platform.getDebugOption("org.eclipse.cdt.dsf.ui/debug/disassembly")); //$NON-NLS-1$
public static String getAddressText(BigInteger address) {
if (address == null) {
return "<null>"; //$NON-NLS-1$
}
if (address.compareTo(BigInteger.ZERO) < 0) {
return address.toString();
}
String hex = address.toString(16);
return "0x" + "0000000000000000".substring(hex.length() + (address.bitLength() <= 32 ? 8 : 0)) + hex; //$NON-NLS-1$ //$NON-NLS-2$
}
public static void internalError(Throwable e) {
if (DEBUG) {
System.err.println("Disassembly: Internal error"); //$NON-NLS-1$
CDebugUIPlugin.log(e);
}
}
public static BigInteger decodeAddress(String string) {
// Handle case where address has type info, such as:
// {int (const char *, ...)} 0x7ffff7a48e80 <__printf>
if (string.startsWith("{")) { //$NON-NLS-1$
int indexOf = string.indexOf('}');
if (indexOf >= 0 && indexOf < string.length()) {
string = string.substring(indexOf + 1);
}
indexOf = string.indexOf('<');
if (indexOf >= 0) {
string = string.substring(0, indexOf);
}
string = string.trim();
}
if (string.startsWith("0x")) { //$NON-NLS-1$
return new BigInteger(string.substring(2), 16);
}
return new BigInteger(string);
}
}
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