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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.internal.debug.ui.commands;
import java.math.BigInteger;
import java.util.ArrayList;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IMemoryBlock;
import org.eclipse.debug.core.model.IMemoryBlockRetrievalExtension;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.tcf.internal.debug.ui.Activator;
import org.eclipse.tcf.internal.debug.ui.model.TCFModel;
import org.eclipse.tcf.internal.debug.ui.model.TCFModelProxy;
import org.eclipse.tcf.internal.debug.ui.model.TCFNode;
import org.eclipse.tcf.internal.debug.ui.model.TCFNodeExpression;
import org.eclipse.tcf.internal.debug.ui.model.TCFNodeRegister;
import org.eclipse.tcf.internal.debug.ui.model.TCFNumberFormat;
import org.eclipse.tcf.protocol.JSON;
import org.eclipse.tcf.services.IExpressions;
import org.eclipse.tcf.services.IRegisters;
import org.eclipse.tcf.util.TCFDataCache;
import org.eclipse.tcf.util.TCFTask;
import org.eclipse.ui.IWorkbenchPage;
public class ViewMemoryCommand extends AbstractActionDelegate {
private static class Block {
TCFNode node;
BigInteger addr;
long size;
}
private Block getBlockInfo(final TCFNode node) {
try {
return new TCFTask<Block>(node.getChannel()) {
public void run() {
try {
TCFModel model = node.getModel();
TCFNode mem_node = node;
BigInteger addr = null;
long size = -1;
if (node instanceof TCFNodeExpression) {
TCFDataCache<IExpressions.Value> val_cache = ((TCFNodeExpression)node).getValue();
if (!val_cache.validate(this)) return;
IExpressions.Value val_data = val_cache.getData();
if (val_data != null) {
addr = JSON.toBigInteger(val_data.getAddress());
if (addr != null) {
byte[] bytes = val_data.getValue();
if (bytes != null) size = bytes.length;
}
if (addr == null) {
String id = val_data.getRegisterID();
if (val_data.getRegisterID() != null) {
if (!model.createNode(id, this)) return;
TCFNodeRegister reg_node = (TCFNodeRegister)model.getNode(id);
if (reg_node != null) {
TCFDataCache<IRegisters.RegistersContext> reg_cache = reg_node.getContext();
if (!reg_cache.validate(this)) return;
IRegisters.RegistersContext reg_data = reg_cache.getData();
if (reg_data != null) {
String mem_id = reg_data.getMemoryContext();
if (mem_id != null) {
if (!model.createNode(mem_id, this)) return;
addr = JSON.toBigInteger(reg_data.getMemoryAddress());
mem_node = model.getNode(mem_id);
}
}
}
}
}
if (addr == null) {
byte[] bytes = val_data.getValue();
if (bytes != null && bytes.length > 0) {
addr = TCFNumberFormat.toBigInteger(bytes, val_data.isBigEndian(), false);
}
}
}
}
else if (node instanceof TCFNodeRegister) {
TCFNodeRegister reg_node = (TCFNodeRegister)node;
TCFDataCache<IRegisters.RegistersContext> reg_cache = reg_node.getContext();
if (!reg_cache.validate(this)) return;
IRegisters.RegistersContext reg_data = reg_cache.getData();
if (reg_data != null) {
String mem_id = reg_data.getMemoryContext();
if (mem_id != null) {
if (!model.createNode(mem_id, this)) return;
addr = JSON.toBigInteger(reg_data.getMemoryAddress());
mem_node = model.getNode(mem_id);
}
if (addr == null) {
TCFDataCache<byte[]> val_cache = reg_node.getValue();
if (!val_cache.validate(this)) return;
byte[] bytes = val_cache.getData();
if (bytes != null && bytes.length > 0) {
addr = TCFNumberFormat.toBigInteger(bytes, reg_data.isBigEndian(), false);
}
}
}
}
Block b = null;
if (addr != null && mem_node != null) {
b = new Block();
b.node = mem_node;
b.addr = addr;
b.size = size;
}
done(b);
}
catch (Exception x) {
error(x);
}
}
}.get();
}
catch (Exception x) {
Activator.log("Cannot get memory address", x);
return null;
}
}
@Override
protected void run() {
try {
IWorkbenchPage page = getWindow().getActivePage();
page.showView(IDebugUIConstants.ID_MEMORY_VIEW, null, IWorkbenchPage.VIEW_ACTIVATE);
ArrayList<IMemoryBlock> list = new ArrayList<IMemoryBlock>();
for (TCFNode node : getSelectedNodes()) {
final Block b = getBlockInfo(node);
if (b != null) {
IMemoryBlockRetrievalExtension mem_retrieval = (IMemoryBlockRetrievalExtension)
b.node.getAdapter(IMemoryBlockRetrievalExtension.class);
if (mem_retrieval != null) {
list.add(mem_retrieval.getMemoryBlock(b.addr.longValue(), b.size));
new TCFTask<Boolean>(node.getChannel()) {
@Override
public void run() {
for (TCFModelProxy p : b.node.getModel().getModelProxies()) {
IPresentationContext c = p.getPresentationContext();
if (c.getWindow() != getWindow()) continue;
if (!IDebugUIConstants.ID_DEBUG_VIEW.equals(c.getId())) continue;
p.setSelection(b.node);
}
}
};
}
}
}
if (list.size() == 0) return;
DebugPlugin.getDefault().getMemoryBlockManager().addMemoryBlocks(list.toArray(new IMemoryBlock[list.size()]));
}
catch (Exception x) {
Activator.log("Cannot open memory view", x);
}
}
@Override
protected void selectionChanged() {
int cnt = 0;
for (TCFNode node : getSelectedNodes()) {
Block b = getBlockInfo(node);
if (b != null) {
IMemoryBlockRetrievalExtension mem_retrieval = (IMemoryBlockRetrievalExtension)
b.node.getAdapter(IMemoryBlockRetrievalExtension.class);
if (mem_retrieval != null) cnt++;
}
}
setEnabled(cnt > 0);
}
}
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