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Code Issues Wiki Activity

Bug 405123 - Have GDBRunControl_7_0 inherit from GDBRunControl

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Change-Id: Ic1c056f2f8960be2fbc14c428083176844cf61b0

Reviewed-on: https://git.eclipse.org/r/11710
Reviewed-by: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
IP-Clean: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
Tested-by: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
Reviewed-by: Marc Khouzam <marc.khouzam@ericsson.com>
IP-Clean: Marc Khouzam <marc.khouzam@ericsson.com>
Tested-by: Marc Khouzam <marc.khouzam@ericsson.com>
This commit is contained in:
Marc Khouzam 2013-04-10 11:26:47 -04:00
parent 79a8df6f4b
commit 1cf6ff2974
2 changed files with 27 additions and 247 deletions
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18
dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/GDBRunControl.java
View file

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2006, 2011 Wind River Systems and others.
* Copyright (c) 2006, 2013 Wind River Systems 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
@ -121,6 +121,16 @@ public class GDBRunControl extends MIRunControl {
super.shutdown(requestMonitor);
}
/**
* Allows us to know if run control operations should be
* enabled or disabled. Run control operations are
* disabled, for example, when dealing with post-mortem sessions.
* @since 4.2
*/
protected boolean runControlOperationsEnabled() {
return fGdb.getSessionType() != SessionType.CORE;
}
@Override
public IMIExecutionDMContext createMIExecutionContext(IContainerDMContext container, int threadId) {
IProcessDMContext procDmc = DMContexts.getAncestorOfType(container, IProcessDMContext.class);
@ -222,7 +232,7 @@ public class GDBRunControl extends MIRunControl {
*/
@Override
public void canResume(IExecutionDMContext context, DataRequestMonitor<Boolean> rm) {
if (fGdb.getSessionType() == SessionType.CORE) {
if (!runControlOperationsEnabled()) {
rm.setData(false);
rm.done();
return;
@ -235,7 +245,7 @@ public class GDBRunControl extends MIRunControl {
*/
@Override
public void canSuspend(IExecutionDMContext context, DataRequestMonitor<Boolean> rm) {
if (fGdb.getSessionType() == SessionType.CORE) {
if (!runControlOperationsEnabled()) {
rm.setData(false);
rm.done();
return;
@ -248,7 +258,7 @@ public class GDBRunControl extends MIRunControl {
*/
@Override
public void canStep(final IExecutionDMContext context, StepType stepType, final DataRequestMonitor<Boolean> rm) {
if (fGdb.getSessionType() == SessionType.CORE) {
if (!runControlOperationsEnabled()) {
rm.setData(false);
rm.done();
return;

252
dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/GDBRunControl_7_0.java
View file

@ -12,6 +12,7 @@
* Nokia - create and use backend service.
* Ericsson - Added IReverseControl support
* Marc Khouzam (Ericsson) - Added IReverseModeChangedDMEvent (Bug 399163)
* Marc Khouzam (Ericsson) - Started inheriting from GDBRunControl (Bug 405123)
*******************************************************************************/
package org.eclipse.cdt.dsf.gdb.service;
@ -25,9 +26,6 @@ import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.datamodel.AbstractDMEvent;
import org.eclipse.cdt.dsf.datamodel.DMContexts;
import org.eclipse.cdt.dsf.datamodel.IDMContext;
import org.eclipse.cdt.dsf.debug.service.IBreakpoints.IBreakpointsTargetDMContext;
import org.eclipse.cdt.dsf.debug.service.IProcesses.IProcessDMContext;
import org.eclipse.cdt.dsf.debug.service.IProcesses.IThreadDMContext;
import org.eclipse.cdt.dsf.debug.service.IRunControl;
import org.eclipse.cdt.dsf.debug.service.IRunControl2;
import org.eclipse.cdt.dsf.debug.service.IStack.IFrameDMContext;
@ -42,17 +40,13 @@ import org.eclipse.cdt.dsf.mi.service.IMIRunControl;
import org.eclipse.cdt.dsf.mi.service.MIRunControl;
import org.eclipse.cdt.dsf.mi.service.MIStack;
import org.eclipse.cdt.dsf.mi.service.command.CommandFactory;
import org.eclipse.cdt.dsf.mi.service.command.events.MIBreakpointHitEvent;
import org.eclipse.cdt.dsf.mi.service.command.events.MIInferiorExitEvent;
import org.eclipse.cdt.dsf.mi.service.command.events.MIStoppedEvent;
import org.eclipse.cdt.dsf.mi.service.command.output.MIBreakInsertInfo;
import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;
import org.eclipse.cdt.dsf.service.DsfServiceEventHandler;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunControl {
public class GDBRunControl_7_0 extends GDBRunControl implements IReverseRunControl {
/** @since 4.2 */
protected static class GdbReverseModeChangedDMEvent extends AbstractDMEvent<ICommandControlDMContext>
@ -70,29 +64,6 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
}
}
private static class RunToLineActiveOperation {
private IMIExecutionDMContext fThreadContext;
private int fBpId;
private String fFileLocation;
private String fAddrLocation;
private boolean fSkipBreakpoints;
public RunToLineActiveOperation(IMIExecutionDMContext threadContext,
int bpId, String fileLoc, String addr, boolean skipBreakpoints) {
fThreadContext = threadContext;
fBpId = bpId;
fFileLocation = fileLoc;
fAddrLocation = addr;
fSkipBreakpoints = skipBreakpoints;
}
public IMIExecutionDMContext getThreadContext() { return fThreadContext; }
public int getBreakointId() { return fBpId; }
public String getFileLocation() { return fFileLocation; }
public String getAddrLocation() { return fAddrLocation; }
public boolean shouldSkipBreakpoints() { return fSkipBreakpoints; }
}
private IMICommandControl fCommandControl;
private IGDBBackend fGdb;
private IMIProcesses fProcService;
@ -110,8 +81,6 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
*/
private boolean fRunControlOperationsEnabled = true;
private RunToLineActiveOperation fRunToLineActiveOperation = null;
public GDBRunControl_7_0(DsfSession session) {
super(session);
}
@ -143,7 +112,9 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
IRunControl2.class.getName(),
IMIRunControl.class.getName(),
MIRunControl.class.getName(),
IReverseRunControl.class.getName()},
IReverseRunControl.class.getName(),
GDBRunControl.class.getName(),
GDBRunControl_7_0.class.getName()},
new Hashtable<String,String>());
requestMonitor.done();
}
@ -155,16 +126,8 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
}
@Override
public IMIExecutionDMContext createMIExecutionContext(IContainerDMContext container, int threadId) {
IProcessDMContext procDmc = DMContexts.getAncestorOfType(container, IProcessDMContext.class);
IThreadDMContext threadDmc = null;
if (procDmc != null) {
// For now, reuse the threadId as the OSThreadId
threadDmc = fProcService.createThreadContext(procDmc, Integer.toString(threadId));
}
return fProcService.createExecutionContext(container, threadDmc, Integer.toString(threadId));
protected boolean runControlOperationsEnabled() {
return fRunControlOperationsEnabled;
}
@Override
@ -202,78 +165,10 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
});
}
/**
* @since 2.0
*/
@Override
public void canResume(IExecutionDMContext context, DataRequestMonitor<Boolean> rm) {
if (!fRunControlOperationsEnabled) {
rm.setData(false);
rm.done();
return;
}
super.canResume(context, rm);
}
/**
* @since 2.0
*/
@Override
public void canSuspend(IExecutionDMContext context, DataRequestMonitor<Boolean> rm) {
if (!fRunControlOperationsEnabled) {
rm.setData(false);
rm.done();
return;
}
super.canSuspend(context, rm);
}
/**
* @since 2.0
*/
@Override
public void canStep(final IExecutionDMContext context, StepType stepType, final DataRequestMonitor<Boolean> rm) {
if (!fRunControlOperationsEnabled) {
rm.setData(false);
rm.done();
return;
}
if (context instanceof IContainerDMContext) {
rm.setData(false);
rm.done();
return;
}
if (stepType == StepType.STEP_RETURN) {
// A step return will always be done in the top stack frame.
// If the top stack frame is the only stack frame, it does not make sense
// to do a step return since GDB will reject it.
MIStack stackService = getServicesTracker().getService(MIStack.class);
if (stackService != null) {
// Check that the stack is at least two deep.
stackService.getStackDepth(context, 2, new DataRequestMonitor<Integer>(getExecutor(), rm) {
@Override
public void handleCompleted() {
if (isSuccess() && getData() == 1) {
rm.setData(false);
rm.done();
} else {
canResume(context, rm);
}
}
});
return;
}
}
canResume(context, rm);
}
/** @since 2.0 */
@Override
public void canReverseResume(IExecutionDMContext context, DataRequestMonitor<Boolean> rm) {
if (!fRunControlOperationsEnabled) {
if (!runControlOperationsEnabled()) {
rm.setData(false);
rm.done();
return;
@ -286,7 +181,7 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
/** @since 2.0 */
@Override
public void canReverseStep(final IExecutionDMContext context, StepType stepType, final DataRequestMonitor<Boolean> rm) {
if (!fRunControlOperationsEnabled) {
if (!runControlOperationsEnabled()) {
rm.setData(false);
rm.done();
return;
@ -483,56 +378,7 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
});
}
/** @since 3.0 */
@Override
public void runToLocation(final IExecutionDMContext context, final String location, final boolean skipBreakpoints, final RequestMonitor rm){
assert context != null;
final IMIExecutionDMContext dmc = DMContexts.getAncestorOfType(context, IMIExecutionDMContext.class);
if (dmc == null){
rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, NOT_SUPPORTED, "Given context: " + context + " is not an execution context.", null)); //$NON-NLS-1$ //$NON-NLS-2$
rm.done();
return;
}
if (doCanResume(dmc)) {
IBreakpointsTargetDMContext bpDmc = DMContexts.getAncestorOfType(context, IBreakpointsTargetDMContext.class);
getConnection().queueCommand(
fCommandFactory.createMIBreakInsert(bpDmc, true, false, null, 0,
location, dmc.getThreadId()),
new DataRequestMonitor<MIBreakInsertInfo>(getExecutor(), rm) {
@Override
public void handleSuccess() {
// We must set are RunToLineActiveOperation *before* we do the resume
// or else we may get the stopped event, before we have set this variable.
int bpId = getData().getMIBreakpoints()[0].getNumber();
String addr = getData().getMIBreakpoints()[0].getAddress();
fRunToLineActiveOperation = new RunToLineActiveOperation(dmc, bpId, location, addr, skipBreakpoints);
resume(dmc, new RequestMonitor(getExecutor(), rm) {
@Override
public void handleFailure() {
IBreakpointsTargetDMContext bpDmc = DMContexts.getAncestorOfType(fRunToLineActiveOperation.getThreadContext(),
IBreakpointsTargetDMContext.class);
int bpId = fRunToLineActiveOperation.getBreakointId();
getConnection().queueCommand(fCommandFactory.createMIBreakDelete(bpDmc, new int[] {bpId}),
new DataRequestMonitor<MIInfo>(getExecutor(), null));
fRunToLineActiveOperation = null;
super.handleFailure();
}
});
}
});
} else {
rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, NOT_SUPPORTED,
"Cannot resume given DMC.", null)); //$NON-NLS-1$
rm.done();
}
}
// Overridden to use the new MI command -exec-jump
/** @since 3.0 */
@Override
public void resumeAtLocation(IExecutionDMContext context, String location, RequestMonitor rm) {
@ -549,6 +395,7 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
setResumePending(true);
getCache().setContextAvailable(dmc, false);
getConnection().queueCommand(
// The MI command -exec-jump was added in GDB 7.0
fCommandFactory.createMIExecJump(dmc, location),
new DataRequestMonitor<MIInfo>(getExecutor(), rm) {
@Override
@ -566,83 +413,6 @@ public class GDBRunControl_7_0 extends MIRunControl implements IReverseRunContro
}
}
/**
* @nooverride This method is not intended to be re-implemented or extended by clients.
* @noreference This method is not intended to be referenced by clients.
*
* @since 2.0
*/
@DsfServiceEventHandler
public void eventDispatched(MIInferiorExitEvent e) {
if (fRunToLineActiveOperation != null) {
IBreakpointsTargetDMContext bpDmc = DMContexts.getAncestorOfType(fRunToLineActiveOperation.getThreadContext(),
IBreakpointsTargetDMContext.class);
int bpId = fRunToLineActiveOperation.getBreakointId();
getConnection().queueCommand(fCommandFactory.createMIBreakDelete(bpDmc, new int[] {bpId}),
new DataRequestMonitor<MIInfo>(getExecutor(), null));
fRunToLineActiveOperation = null;
}
}
/** @since 2.0 */
@Override
@DsfServiceEventHandler
public void eventDispatched(final MIStoppedEvent e) {
if (fRunToLineActiveOperation != null) {
int bpId = 0;
if (e instanceof MIBreakpointHitEvent) {
bpId = ((MIBreakpointHitEvent)e).getNumber();
}
String fileLocation = e.getFrame().getFile() + ":" + e.getFrame().getLine(); //$NON-NLS-1$
String addrLocation = e.getFrame().getAddress();
// Here we check three different things to see if we are stopped at the right place
// 1- The actual location in the file. But this does not work for breakpoints that
// were set on non-executable lines
// 2- The address where the breakpoint was set. But this does not work for breakpoints
// that have multiple addresses (GDB returns <MULTIPLE>.) I think that is for multi-process
// 3- The breakpoint id that was hit. But this does not work if another breakpoint
// was also set on the same line because GDB may return that breakpoint as being hit.
//
// So this works for the large majority of cases. The case that won't work is when the user
// does a runToLine to a line that is non-executable AND has another breakpoint AND
// has multiple addresses for the breakpoint. I'm mean, come on!
if (fileLocation.equals(fRunToLineActiveOperation.getFileLocation()) ||
addrLocation.equals(fRunToLineActiveOperation.getAddrLocation()) ||
bpId == fRunToLineActiveOperation.getBreakointId()) {
// We stopped at the right place. All is well.
fRunToLineActiveOperation = null;
} else {
// Didn't stop at the right place yet
if (fRunToLineActiveOperation.shouldSkipBreakpoints() && e instanceof MIBreakpointHitEvent) {
getConnection().queueCommand(
fCommandFactory.createMIExecContinue(fRunToLineActiveOperation.getThreadContext()),
new DataRequestMonitor<MIInfo>(getExecutor(), null));
// Don't send the stop event since we are resuming again.
return;
} else {
// Stopped at another breakpoint that we should not skip.
// Or got an interrupt signal from a suspend command.
// Or got an interrupt signal because the user set/changed a breakpoint. This last case is tricky.
// We could let the run-to-line continue its job, however, I'm thinking that if the user creates
// a new breakpoint, she may want to force the program to stop, in a way to abort the run-to-line.
// So, let's cancel the run-to-line in this case.
//
// Just remove our temporary one since we don't want it to hit later
IBreakpointsTargetDMContext bpDmc = DMContexts.getAncestorOfType(fRunToLineActiveOperation.getThreadContext(),
IBreakpointsTargetDMContext.class);
getConnection().queueCommand(fCommandFactory.createMIBreakDelete(bpDmc, new int[] {fRunToLineActiveOperation.getBreakointId()}),
new DataRequestMonitor<MIInfo>(getExecutor(), null));
fRunToLineActiveOperation = null;
}
}
}
super.eventDispatched(e);
}
/**
* @since 3.0
*/